From 43c7f84f627bd6dc001162d14de8dd186aaf8676 Mon Sep 17 00:00:00 2001 From: John Fox Woland Date: Wed, 2 Jan 2019 21:51:00 +0500 Subject: [PATCH 1/3] =?UTF-8?q?v=20Fixed=20duplicate=20headers=20+=20Added?= =?UTF-8?q?=20message=20body=20conversion:=20UTF-8=20=E2=86=92=20UCS-2BE?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/header_f.c | 69 +++++++++++++++++++++++++++++++++++++++++++++++-- src/header_f.h | 6 +++++ src/request.c | 16 ++++-------- src/shoot.c | 5 +++- src/sipsak.c | 27 +++++++++++++------ src/sipsak.h | 8 +++++- src/transport.c | 43 ++++++++++++++++++++++-------- 7 files changed, 140 insertions(+), 34 deletions(-) diff --git a/src/header_f.c b/src/header_f.c index 24e9fc7..b4c7285 100644 --- a/src/header_f.c +++ b/src/header_f.c @@ -25,8 +25,10 @@ /* add the given header(s) below the request line */ void insert_header(char *mes, char *header, int first) { - char *ins, *backup; - + char *ins, *backup, *hp, *dhp, *ehp; + int max_headers = 100, hcount = 0, c, i; + struct hline **hlist = malloc(sizeof(struct hline *) * max_headers); + if (first) { ins = strchr(mes, '\n'); if (ins == NULL) { @@ -43,6 +45,69 @@ void insert_header(char *mes, char *header, int first) { strncpy(ins, header, strlen(header)); strncpy(ins + strlen(header), backup, strlen(backup)+1); free(backup); + + // deduplicate headers + hp = strstr(mes, "\r\n"); + if (hp) + hp += 2; + + while (hp && *hp) { + if (hcount == max_headers) { + max_headers *= 2; + hlist = realloc(hlist, sizeof(struct hline *) * max_headers); + } + c = i = hcount++; + + hlist[i] = malloc(sizeof(struct hline)); + hlist[i]->begin = hp; + + ehp = strstr(hp, "\r\n"); + if (ehp) { + if (ehp == hp) { + hp = NULL; + continue; + } + *ehp = 0; + hlist[i]->len = ehp - hp + 2; + } + else + hlist[i]->len = hp - mes + strlen(mes); + + dhp = strchr(hp, ':'); + if (dhp) + hlist[i]->namelen = dhp - hp; + else + hlist[i]->namelen = 0; + + if (ehp) { + *ehp = 0x0D; + hp = ehp + 2; + } + else + hp = NULL; + + i = 0; + while (i < c) { + if ((hlist[i]->namelen == hlist[c]->namelen) && !strncmp(hlist[i]->begin, hlist[c]->begin, hlist[c]->namelen)) { + if (hp) { + memmove(hlist[c]->begin, hp, hp - mes + strlen(mes) + 1); + hp = hlist[c]->begin; + } + else + strcpy(hlist[c]->begin, "\r\n\0"); + + --hcount; + free(hlist[c]); + i = c; + } + else + ++i; + } + } + + for (i = 0; i < hcount; i++) + free(hlist[i]); + free(hlist); } /* add a Via Header Field in the message. */ diff --git a/src/header_f.h b/src/header_f.h index 382addd..8d516b1 100644 --- a/src/header_f.h +++ b/src/header_f.h @@ -20,6 +20,12 @@ #include "shoot.h" +struct hline +{ + char *begin; + int namelen, len; +}; + void insert_header(char *mes, char *header, int first); void add_via(char *mes); diff --git a/src/request.c b/src/request.c index 4143d2e..8d8ef49 100644 --- a/src/request.c +++ b/src/request.c @@ -198,12 +198,11 @@ void create_msg(int action, char *req_buff, char *repl_buff, char *username, int FROM_STR, fqdn, lport, c); } req_buff += strlen(req_buff); - if (mes_body) { - len = strlen(mes_body); - } - else { + if (mes_body) + len = mes_body->len; + else len = SIPSAK_MES_STR_LEN + strlen(username); - } + sprintf(req_buff, "%s%u\r\n", CON_LEN_STR, len); req_buff += strlen(req_buff); if (con_dis) { @@ -212,12 +211,7 @@ void create_msg(int action, char *req_buff, char *repl_buff, char *username, int } sprintf(req_buff, "\r\n"); req_buff += 2; - if (mes_body) { - sprintf(req_buff, - "%s", - mes_body); - } - else { + if (!mes_body) { sprintf(req_buff, "%s%s", SIPSAK_MES_STR, username); req_buff += strlen(req_buff) - 1; *(req_buff) = '.'; diff --git a/src/shoot.c b/src/shoot.c index 801ad4e..4037b01 100644 --- a/src/shoot.c +++ b/src/shoot.c @@ -1037,8 +1037,11 @@ void shoot(char *buf, int buff_size) /* prevents a strange error */ regcomp(&(regexps.authexp), "^SIP/[0-9]\\.[0-9] 40[17] ", REG_EXTENDED|REG_NOSUB|REG_ICASE); insert_auth(request, received); - if (verbose > 2) + if (verbose > 2) { printf("\nreceived:\n%s\n", received); + if (mes_body) + printf("\n"); + } new_transaction(request, response); continue; } /* if auth...*/ diff --git a/src/sipsak.c b/src/sipsak.c index 3b388c6..6837e7c 100644 --- a/src/sipsak.c +++ b/src/sipsak.c @@ -55,6 +55,7 @@ #ifdef HAVE_SYSLOG_H # include #endif +#include // FIX: add check for iconv lib to configure #include "helper.h" #include "header_f.h" @@ -424,14 +425,24 @@ int main(int argc, char *argv[]) namebeg=str_to_int(0, optarg); break; case 'B': - mes_body=str_alloc(strlen(optarg) + 1); - strncpy(mes_body, optarg, strlen(optarg)); + { + iconv_t cd; + char *inbuf = optarg, *outbuf; + size_t inbytes = strlen(optarg), outbytes = inbytes * 2; + mes_body = malloc(sizeof(struct bytearray)); + mes_body->data = outbuf = str_alloc(outbytes); + mes_body->len = outbytes; + cd = iconv_open("UCS-2BE", "UTF-8"); // FIX: source charset should be picked from locale + iconv(cd, &inbuf, &inbytes, &outbuf, &outbytes); + iconv_close(cd); + mes_body->len -= outbytes; // some UTF-8 characters 1-byte long, some 2-byte long. All UCS-2 chars 2-byte long break; + } case 'c': backup=str_alloc(strlen(optarg)+1); strncpy(backup, optarg, strlen(optarg)); parse_uri(backup, &scheme, &user, &host, &port); - if (scheme == NULL) { + if (scheme == NULL) { fprintf(stderr, "error: missing scheme in From URI\n"); exit_code(2, __PRETTY_FUNCTION__, "missing scheme in From URI"); } @@ -464,9 +475,9 @@ int main(int argc, char *argv[]) strncpy(backup, optarg, strlen(optarg)); parse_uri(backup, &scheme, &user, &host, &port); if (scheme == NULL) { - fprintf(stderr, "error: REGISTER Contact uri doesn't not contain " - "sip:, sips:, *, or is not empty\n"); - exit_code(2, __PRETTY_FUNCTION__, "unsupported Contact for registration"); + fprintf(stderr, "error: REGISTER Contact uri doesn't not contain " + "sip:, sips:, *, or is not empty\n"); + exit_code(2, __PRETTY_FUNCTION__, "unsupported Contact for registration"); } /*else if (user == NULL) { fprintf(stderr, "error: missing username in Contact uri\n"); @@ -1056,7 +1067,7 @@ int main(int argc, char *argv[]) srand(time(0) ^ (getpid() + (getpid() << 15))); if (processes > 1) { - if (signal(SIGCHLD , sigchld_handler) == SIG_ERR ) { + if (signal(SIGCHLD , sigchld_handler) == SIG_ERR ) { fprintf(stderr, "error: Could not install SIGCHLD handler\n"); exit_code(2, __PRETTY_FUNCTION__, "failed to install SIGCHLD handler"); } @@ -1069,7 +1080,7 @@ int main(int argc, char *argv[]) } if (pid == 0){ - /* child */ + /* child */ upp = (nameend - namebeg + 1) / processes; namebeg = namebeg + upp * i; nameend = namebeg + upp; diff --git a/src/sipsak.h b/src/sipsak.h index 2f320a6..f840f0a 100644 --- a/src/sipsak.h +++ b/src/sipsak.h @@ -321,6 +321,11 @@ SSL* ssl; # endif #endif +struct bytearray { + char *data; + size_t len; +}; + /* lots of global variables. ugly but makes life easier. */ unsigned long address; unsigned int nonce_count, transport; @@ -331,10 +336,11 @@ int file_b, uri_b, trace, via_ins, usrloc, redirects, rand_rem, replace_b; int empty_contact, nagios_warn, fix_crlf, timing, outbound_proxy; int timer_t1, timer_t2, timer_final, sysl; char *username, *domainname, *password, *replace_str, *hostname, *contact_uri; -char *mes_body, *con_dis, *auth_username, *from_uri, *headers, *authhash, *local_ip; +char *con_dis, *auth_username, *from_uri, *headers, *authhash, *local_ip; char fqdn[FQDN_SIZE]; char target_dot[INET_ADDRSTRLEN], source_dot[INET_ADDRSTRLEN]; char *request, *response, *received, *transport_str; regex_t* regex; +struct bytearray *mes_body; #endif diff --git a/src/transport.c b/src/transport.c index 3d4c4b0..7f287f7 100644 --- a/src/transport.c +++ b/src/transport.c @@ -679,23 +679,36 @@ void create_sockets(struct sipsak_con_data *cd) { void send_message(char* mes, struct sipsak_con_data *cd, struct sipsak_counter *sc, struct sipsak_sr_time *srt) { struct timezone tz; - int ret = -1; - + int ret = -1, len = strlen(mes), flen = len; + char *tmsg; + if (cd->dontsend == 0) { - if (verbose > 2) { - printf("\nrequest:\n%s", mes); + if (mes_body) + flen += mes_body->len; + + tmsg = str_alloc(flen); + memcpy(tmsg, mes, len); + + if (verbose > 2) + printf("\nrequest [%d bytes]:\n%s", flen, mes); + + if (mes_body) { + if (verbose > 2) + printf("\n"); + memcpy(tmsg + len, mes_body->data, mes_body->len); } + /* lets fire the request to the server and store when we did */ if (cd->csock == -1) { dbg("\nusing un-connected socket for sending\n"); - ret = sendto(cd->usock, mes, strlen(mes), 0, (struct sockaddr *) &(cd->adr), sizeof(struct sockaddr)); + ret = sendto(cd->usock, tmsg, flen, 0, (struct sockaddr *) &(cd->adr), sizeof(struct sockaddr)); } else { dbg("\nusing connected socket for sending\n"); #ifdef WITH_TLS_TRANSP if (transport == SIP_TLS_TRANSPORT) { # ifdef USE_GNUTLS - ret = gnutls_record_send(tls_session, mes, strlen(mes)); + ret = gnutls_record_send(tls_session, tmsg, flen); # else /* USE_GNUTLS */ # ifdef USE_OPENSSL # endif /* USE_OPENSSL */ @@ -703,11 +716,13 @@ void send_message(char* mes, struct sipsak_con_data *cd, } else { #endif /* TLS_TRANSP */ - ret = send(cd->csock, mes, strlen(mes), 0); + ret = send(cd->csock, tmsg, flen, 0); #ifdef WITH_TLS_TRANSP } #endif /* TLS_TRANSP */ } + free(tmsg); + (void)gettimeofday(&(srt->sendtime), &tz); if (ret==-1) { if (verbose) @@ -717,8 +732,8 @@ void send_message(char* mes, struct sipsak_con_data *cd, } #ifdef HAVE_INET_NTOP if (verbose > 2) { - printf("\nsend to: %s:%s:%i\n", transport_str, target_dot, rport); - } + printf("\nsend to: %s:%s:%i [%d bytes]\n", transport_str, target_dot, rport, ret); + } #endif sc->send_counter++; } @@ -936,6 +951,7 @@ int recv_message(char *buf, int size, int inv_trans, int ret = 0; int sock = 0; double tmp_delay; + char *ehp; #ifdef HAVE_INET_NTOP struct sockaddr_in peer_adr; socklen_t psize = sizeof(peer_adr); @@ -1042,6 +1058,11 @@ int recv_message(char *buf, int size, int inv_trans, #endif // RAW_SUPPORT if (ret > 0) { *(buf+ ret) = '\0'; + + // Cut off binary message body + if (mes_body && (ehp = strstr(buf, "\r\n\r\n"))) + ehp[4] = 0; + if (transport != SIP_UDP_TRANSPORT) { if (verbose > 0) printf("\nchecking message for completeness...\n"); @@ -1083,8 +1104,8 @@ int recv_message(char *buf, int size, int inv_trans, } #ifdef HAVE_INET_NTOP if ((verbose > 2) && (getpeername(sock, (struct sockaddr *)&peer_adr, &psize) == 0) && (inet_ntop(peer_adr.sin_family, &peer_adr.sin_addr, &source_dot[0], INET_ADDRSTRLEN) != NULL)) { - printf("\nreceived from: %s:%s:%i\n", transport_str, - source_dot, ntohs(peer_adr.sin_port)); + printf("\nreceived from: %s:%s:%i [%d bytes]\n", transport_str, + source_dot, ntohs(peer_adr.sin_port), ret); } else if (verbose > 1 && trace == 0 && usrloc == 0) printf(":\n"); From 7401f5ee280baae06e850db62fa1d9f0d9d0d8ee Mon Sep 17 00:00:00 2001 From: John Fox Woland Date: Wed, 2 Jan 2019 22:32:09 +0500 Subject: [PATCH 2/3] + Check for iconv --- configure.ac | 4 ++-- src/sipsak.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/configure.ac b/configure.ac index d33cc7d..f9727ab 100644 --- a/configure.ac +++ b/configure.ac @@ -34,7 +34,7 @@ AC_SUBST([LIBS]) # Checks for header files. AC_HEADER_STDC -AC_CHECK_HEADERS([ctype.h errno.h arpa/inet.h netdb.h netinet/in.h netinet/in_systm.h limits.h sys/poll.h regex.h signal.h stdarg.h stdlib.h stdio.h string.h sys/param.h sys/socket.h sys/time.h unistd.h sys/utsname.h],,[AC_MSG_ERROR([missing required header (see above)])],) +AC_CHECK_HEADERS([ctype.h errno.h arpa/inet.h netdb.h netinet/in.h netinet/in_systm.h limits.h sys/poll.h regex.h signal.h stdarg.h stdlib.h stdio.h string.h sys/param.h sys/socket.h sys/time.h unistd.h sys/utsname.h iconv.h],,[AC_MSG_ERROR([missing required header (see above)])],) AC_CHECK_HEADERS([getopt.h syslog.h]) AC_HEADER_SYS_WAIT AC_HEADER_TIME @@ -49,7 +49,7 @@ AC_TYPE_SIZE_T # Checks for library functions. AC_FUNC_MALLOC AC_FUNC_SELECT_ARGTYPES -AC_CHECK_FUNCS([getchar gethostbyname gethostname getopt getpid gettimeofday memset ntohs regcomp select socket strchr strcmp strstr strtol uname],,[AC_MSG_ERROR([missing required function (see above)])]) +AC_CHECK_FUNCS([getchar gethostbyname gethostname getopt getpid gettimeofday memset ntohs regcomp select socket strchr strcmp strstr strtol uname iconv],,[AC_MSG_ERROR([missing required function (see above)])]) AC_CHECK_FUNCS([calloc getdomainname getopt_long inet_ntop strncasecmp strcasestr syslog]) PKG_PROG_PKG_CONFIG diff --git a/src/sipsak.c b/src/sipsak.c index 6837e7c..73aed93 100644 --- a/src/sipsak.c +++ b/src/sipsak.c @@ -55,7 +55,7 @@ #ifdef HAVE_SYSLOG_H # include #endif -#include // FIX: add check for iconv lib to configure +#include #include "helper.h" #include "header_f.h" From 24ec7797dd11cad69deb3ce934c8a3825bafed8b Mon Sep 17 00:00:00 2001 From: Nils Ohlmeier Date: Sun, 13 Jan 2019 21:34:34 -0800 Subject: [PATCH 3/3] added m4 macros for iconv detection --- config.rpath | 684 ++++++++++++++++++++++++++++++++++++++ configure.ac | 4 +- m4/host-cpu-c-abi.m4 | 644 +++++++++++++++++++++++++++++++++++ m4/iconv.m4 | 288 ++++++++++++++++ m4/lib-ld.m4 | 168 ++++++++++ m4/lib-link.m4 | 774 +++++++++++++++++++++++++++++++++++++++++++ m4/lib-prefix.m4 | 249 ++++++++++++++ 7 files changed, 2810 insertions(+), 1 deletion(-) create mode 100755 config.rpath create mode 100644 m4/host-cpu-c-abi.m4 create mode 100644 m4/iconv.m4 create mode 100644 m4/lib-ld.m4 create mode 100644 m4/lib-link.m4 create mode 100644 m4/lib-prefix.m4 diff --git a/config.rpath b/config.rpath new file mode 100755 index 0000000..be202c1 --- /dev/null +++ b/config.rpath @@ -0,0 +1,684 @@ +#! /bin/sh +# Output a system dependent set of variables, describing how to set the +# run time search path of shared libraries in an executable. +# +# Copyright 1996-2019 Free Software Foundation, Inc. +# Taken from GNU libtool, 2001 +# Originally by Gordon Matzigkeit , 1996 +# +# This file is free software; the Free Software Foundation gives +# unlimited permission to copy and/or distribute it, with or without +# modifications, as long as this notice is preserved. +# +# The first argument passed to this file is the canonical host specification, +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# The environment variables CC, GCC, LDFLAGS, LD, with_gnu_ld +# should be set by the caller. +# +# The set of defined variables is at the end of this script. + +# Known limitations: +# - On IRIX 6.5 with CC="cc", the run time search patch must not be longer +# than 256 bytes, otherwise the compiler driver will dump core. The only +# known workaround is to choose shorter directory names for the build +# directory and/or the installation directory. + +# All known linkers require a '.a' archive for static linking (except MSVC, +# which needs '.lib'). +libext=a +shrext=.so + +host="$1" +host_cpu=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` +host_vendor=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` +host_os=`echo "$host" | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` + +# Code taken from libtool.m4's _LT_CC_BASENAME. + +for cc_temp in $CC""; do + case $cc_temp in + compile | *[\\/]compile | ccache | *[\\/]ccache ) ;; + distcc | *[\\/]distcc | purify | *[\\/]purify ) ;; + \-*) ;; + *) break;; + esac +done +cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'` + +# Code taken from libtool.m4's _LT_COMPILER_PIC. + +wl= +if test "$GCC" = yes; then + wl='-Wl,' +else + case "$host_os" in + aix*) + wl='-Wl,' + ;; + mingw* | cygwin* | pw32* | os2* | cegcc*) + ;; + hpux9* | hpux10* | hpux11*) + wl='-Wl,' + ;; + irix5* | irix6* | nonstopux*) + wl='-Wl,' + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + case $cc_basename in + ecc*) + wl='-Wl,' + ;; + icc* | ifort*) + wl='-Wl,' + ;; + lf95*) + wl='-Wl,' + ;; + nagfor*) + wl='-Wl,-Wl,,' + ;; + pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*) + wl='-Wl,' + ;; + ccc*) + wl='-Wl,' + ;; + xl* | bgxl* | bgf* | mpixl*) + wl='-Wl,' + ;; + como) + wl='-lopt=' + ;; + *) + case `$CC -V 2>&1 | sed 5q` in + *Sun\ F* | *Sun*Fortran*) + wl= + ;; + *Sun\ C*) + wl='-Wl,' + ;; + esac + ;; + esac + ;; + newsos6) + ;; + *nto* | *qnx*) + ;; + osf3* | osf4* | osf5*) + wl='-Wl,' + ;; + rdos*) + ;; + solaris*) + case $cc_basename in + f77* | f90* | f95* | sunf77* | sunf90* | sunf95*) + wl='-Qoption ld ' + ;; + *) + wl='-Wl,' + ;; + esac + ;; + sunos4*) + wl='-Qoption ld ' + ;; + sysv4 | sysv4.2uw2* | sysv4.3*) + wl='-Wl,' + ;; + sysv4*MP*) + ;; + sysv5* | unixware* | sco3.2v5* | sco5v6* | OpenUNIX*) + wl='-Wl,' + ;; + unicos*) + wl='-Wl,' + ;; + uts4*) + ;; + esac +fi + +# Code taken from libtool.m4's _LT_LINKER_SHLIBS. + +hardcode_libdir_flag_spec= +hardcode_libdir_separator= +hardcode_direct=no +hardcode_minus_L=no + +case "$host_os" in + cygwin* | mingw* | pw32* | cegcc*) + # FIXME: the MSVC++ port hasn't been tested in a loooong time + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + if test "$GCC" != yes; then + with_gnu_ld=no + fi + ;; + interix*) + # we just hope/assume this is gcc and not c89 (= MSVC++) + with_gnu_ld=yes + ;; + openbsd*) + with_gnu_ld=no + ;; +esac + +ld_shlibs=yes +if test "$with_gnu_ld" = yes; then + # Set some defaults for GNU ld with shared library support. These + # are reset later if shared libraries are not supported. Putting them + # here allows them to be overridden if necessary. + # Unlike libtool, we use -rpath here, not --rpath, since the documented + # option of GNU ld is called -rpath, not --rpath. + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + case "$host_os" in + aix[3-9]*) + # On AIX/PPC, the GNU linker is very broken + if test "$host_cpu" != ia64; then + ld_shlibs=no + fi + ;; + amigaos*) + case "$host_cpu" in + powerpc) + ;; + m68k) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + beos*) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + cygwin* | mingw* | pw32* | cegcc*) + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec='-L$libdir' + if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + haiku*) + ;; + interix[3-9]*) + hardcode_direct=no + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + netbsd*) + ;; + solaris*) + if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then + ld_shlibs=no + elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX*) + case `$LD -v 2>&1` in + *\ [01].* | *\ 2.[0-9].* | *\ 2.1[0-5].*) + ld_shlibs=no + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-rpath,$libdir`' + else + ld_shlibs=no + fi + ;; + esac + ;; + sunos4*) + hardcode_direct=yes + ;; + *) + if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then + : + else + ld_shlibs=no + fi + ;; + esac + if test "$ld_shlibs" = no; then + hardcode_libdir_flag_spec= + fi +else + case "$host_os" in + aix3*) + # Note: this linker hardcodes the directories in LIBPATH if there + # are no directories specified by -L. + hardcode_minus_L=yes + if test "$GCC" = yes; then + # Neither direct hardcoding nor static linking is supported with a + # broken collect2. + hardcode_direct=unsupported + fi + ;; + aix[4-9]*) + if test "$host_cpu" = ia64; then + # On IA64, the linker does run time linking by default, so we don't + # have to do anything special. + aix_use_runtimelinking=no + else + aix_use_runtimelinking=no + # Test if we are trying to use run time linking or normal + # AIX style linking. If -brtl is somewhere in LDFLAGS, we + # need to do runtime linking. + case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*) + for ld_flag in $LDFLAGS; do + if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then + aix_use_runtimelinking=yes + break + fi + done + ;; + esac + fi + hardcode_direct=yes + hardcode_libdir_separator=':' + if test "$GCC" = yes; then + case $host_os in aix4.[012]|aix4.[012].*) + collect2name=`${CC} -print-prog-name=collect2` + if test -f "$collect2name" && \ + strings "$collect2name" | grep resolve_lib_name >/dev/null + then + # We have reworked collect2 + : + else + # We have old collect2 + hardcode_direct=unsupported + hardcode_minus_L=yes + hardcode_libdir_flag_spec='-L$libdir' + hardcode_libdir_separator= + fi + ;; + esac + fi + # Begin _LT_AC_SYS_LIBPATH_AIX. + echo 'int main () { return 0; }' > conftest.c + ${CC} ${LDFLAGS} conftest.c -o conftest + aix_libpath=`dump -H conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + if test -z "$aix_libpath"; then + aix_libpath=`dump -HX64 conftest 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0 *\(.*\)$/\1/; p; } +}'` + fi + if test -z "$aix_libpath"; then + aix_libpath="/usr/lib:/lib" + fi + rm -f conftest.c conftest + # End _LT_AC_SYS_LIBPATH_AIX. + if test "$aix_use_runtimelinking" = yes; then + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + else + if test "$host_cpu" = ia64; then + hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' + else + hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:'"$aix_libpath" + fi + fi + ;; + amigaos*) + case "$host_cpu" in + powerpc) + ;; + m68k) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + esac + ;; + bsdi[45]*) + ;; + cygwin* | mingw* | pw32* | cegcc*) + # When not using gcc, we currently assume that we are using + # Microsoft Visual C++. + # hardcode_libdir_flag_spec is actually meaningless, as there is + # no search path for DLLs. + hardcode_libdir_flag_spec=' ' + libext=lib + ;; + darwin* | rhapsody*) + hardcode_direct=no + if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then + : + else + ld_shlibs=no + fi + ;; + dgux*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + freebsd2.[01]*) + hardcode_direct=yes + hardcode_minus_L=yes + ;; + freebsd* | dragonfly*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + hpux9*) + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + hpux10*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + fi + ;; + hpux11*) + if test "$with_gnu_ld" = no; then + hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' + hardcode_libdir_separator=: + case $host_cpu in + hppa*64*|ia64*) + hardcode_direct=no + ;; + *) + hardcode_direct=yes + # hardcode_minus_L: Not really in the search PATH, + # but as the default location of the library. + hardcode_minus_L=yes + ;; + esac + fi + ;; + irix5* | irix6* | nonstopux*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + netbsd*) + hardcode_libdir_flag_spec='-R$libdir' + hardcode_direct=yes + ;; + newsos6) + hardcode_direct=yes + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + *nto* | *qnx*) + ;; + openbsd*) + if test -f /usr/libexec/ld.so; then + hardcode_direct=yes + if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + else + case "$host_os" in + openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + *) + hardcode_libdir_flag_spec='${wl}-rpath,$libdir' + ;; + esac + fi + else + ld_shlibs=no + fi + ;; + os2*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_minus_L=yes + ;; + osf3*) + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + hardcode_libdir_separator=: + ;; + osf4* | osf5*) + if test "$GCC" = yes; then + hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' + else + # Both cc and cxx compiler support -rpath directly + hardcode_libdir_flag_spec='-rpath $libdir' + fi + hardcode_libdir_separator=: + ;; + solaris*) + hardcode_libdir_flag_spec='-R$libdir' + ;; + sunos4*) + hardcode_libdir_flag_spec='-L$libdir' + hardcode_direct=yes + hardcode_minus_L=yes + ;; + sysv4) + case $host_vendor in + sni) + hardcode_direct=yes # is this really true??? + ;; + siemens) + hardcode_direct=no + ;; + motorola) + hardcode_direct=no #Motorola manual says yes, but my tests say they lie + ;; + esac + ;; + sysv4.3*) + ;; + sysv4*MP*) + if test -d /usr/nec; then + ld_shlibs=yes + fi + ;; + sysv4*uw2* | sysv5OpenUNIX* | sysv5UnixWare7.[01].[10]* | unixware7* | sco3.2v5.0.[024]*) + ;; + sysv5* | sco3.2v5* | sco5v6*) + hardcode_libdir_flag_spec='`test -z "$SCOABSPATH" && echo ${wl}-R,$libdir`' + hardcode_libdir_separator=':' + ;; + uts4*) + hardcode_libdir_flag_spec='-L$libdir' + ;; + *) + ld_shlibs=no + ;; + esac +fi + +# Check dynamic linker characteristics +# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER. +# Unlike libtool.m4, here we don't care about _all_ names of the library, but +# only about the one the linker finds when passed -lNAME. This is the last +# element of library_names_spec in libtool.m4, or possibly two of them if the +# linker has special search rules. +library_names_spec= # the last element of library_names_spec in libtool.m4 +libname_spec='lib$name' +case "$host_os" in + aix3*) + library_names_spec='$libname.a' + ;; + aix[4-9]*) + library_names_spec='$libname$shrext' + ;; + amigaos*) + case "$host_cpu" in + powerpc*) + library_names_spec='$libname$shrext' ;; + m68k) + library_names_spec='$libname.a' ;; + esac + ;; + beos*) + library_names_spec='$libname$shrext' + ;; + bsdi[45]*) + library_names_spec='$libname$shrext' + ;; + cygwin* | mingw* | pw32* | cegcc*) + shrext=.dll + library_names_spec='$libname.dll.a $libname.lib' + ;; + darwin* | rhapsody*) + shrext=.dylib + library_names_spec='$libname$shrext' + ;; + dgux*) + library_names_spec='$libname$shrext' + ;; + freebsd[23].*) + library_names_spec='$libname$shrext$versuffix' + ;; + freebsd* | dragonfly*) + library_names_spec='$libname$shrext' + ;; + gnu*) + library_names_spec='$libname$shrext' + ;; + haiku*) + library_names_spec='$libname$shrext' + ;; + hpux9* | hpux10* | hpux11*) + case $host_cpu in + ia64*) + shrext=.so + ;; + hppa*64*) + shrext=.sl + ;; + *) + shrext=.sl + ;; + esac + library_names_spec='$libname$shrext' + ;; + interix[3-9]*) + library_names_spec='$libname$shrext' + ;; + irix5* | irix6* | nonstopux*) + library_names_spec='$libname$shrext' + case "$host_os" in + irix5* | nonstopux*) + libsuff= shlibsuff= + ;; + *) + case $LD in + *-32|*"-32 "|*-melf32bsmip|*"-melf32bsmip ") libsuff= shlibsuff= ;; + *-n32|*"-n32 "|*-melf32bmipn32|*"-melf32bmipn32 ") libsuff=32 shlibsuff=N32 ;; + *-64|*"-64 "|*-melf64bmip|*"-melf64bmip ") libsuff=64 shlibsuff=64 ;; + *) libsuff= shlibsuff= ;; + esac + ;; + esac + ;; + linux*oldld* | linux*aout* | linux*coff*) + ;; + linux* | k*bsd*-gnu | kopensolaris*-gnu) + library_names_spec='$libname$shrext' + ;; + knetbsd*-gnu) + library_names_spec='$libname$shrext' + ;; + netbsd*) + library_names_spec='$libname$shrext' + ;; + newsos6) + library_names_spec='$libname$shrext' + ;; + *nto* | *qnx*) + library_names_spec='$libname$shrext' + ;; + openbsd*) + library_names_spec='$libname$shrext$versuffix' + ;; + os2*) + libname_spec='$name' + shrext=.dll + library_names_spec='$libname.a' + ;; + osf3* | osf4* | osf5*) + library_names_spec='$libname$shrext' + ;; + rdos*) + ;; + solaris*) + library_names_spec='$libname$shrext' + ;; + sunos4*) + library_names_spec='$libname$shrext$versuffix' + ;; + sysv4 | sysv4.3*) + library_names_spec='$libname$shrext' + ;; + sysv4*MP*) + library_names_spec='$libname$shrext' + ;; + sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*) + library_names_spec='$libname$shrext' + ;; + tpf*) + library_names_spec='$libname$shrext' + ;; + uts4*) + library_names_spec='$libname$shrext' + ;; +esac + +sed_quote_subst='s/\(["`$\\]\)/\\\1/g' +escaped_wl=`echo "X$wl" | sed -e 's/^X//' -e "$sed_quote_subst"` +shlibext=`echo "$shrext" | sed -e 's,^\.,,'` +escaped_libname_spec=`echo "X$libname_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_library_names_spec=`echo "X$library_names_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` +escaped_hardcode_libdir_flag_spec=`echo "X$hardcode_libdir_flag_spec" | sed -e 's/^X//' -e "$sed_quote_subst"` + +LC_ALL=C sed -e 's/^\([a-zA-Z0-9_]*\)=/acl_cv_\1=/' <. +AC_DEFUN([gl_HOST_CPU_C_ABI], +[ + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_C_ASM]) + AC_CACHE_CHECK([host CPU and C ABI], [gl_cv_host_cpu_c_abi], + [case "$host_cpu" in + +changequote(,)dnl + i[4567]86 ) +changequote([,])dnl + gl_cv_host_cpu_c_abi=i386 + ;; + + x86_64 ) + # On x86_64 systems, the C compiler may be generating code in one of + # these ABIs: + # - 64-bit instruction set, 64-bit pointers, 64-bit 'long': x86_64. + # - 64-bit instruction set, 64-bit pointers, 32-bit 'long': x86_64 + # with native Windows (mingw, MSVC). + # - 64-bit instruction set, 32-bit pointers, 32-bit 'long': x86_64-x32. + # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': i386. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if (defined __x86_64__ || defined __amd64__ \ + || defined _M_X64 || defined _M_AMD64) + int ok; + #else + error fail + #endif + ]])], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __ILP32__ || defined _ILP32 + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=x86_64-x32], + [gl_cv_host_cpu_c_abi=x86_64])], + [gl_cv_host_cpu_c_abi=i386]) + ;; + +changequote(,)dnl + alphaev[4-8] | alphaev56 | alphapca5[67] | alphaev6[78] ) +changequote([,])dnl + gl_cv_host_cpu_c_abi=alpha + ;; + + arm* | aarch64 ) + # Assume arm with EABI. + # On arm64 systems, the C compiler may be generating code in one of + # these ABIs: + # - aarch64 instruction set, 64-bit pointers, 64-bit 'long': arm64. + # - aarch64 instruction set, 32-bit pointers, 32-bit 'long': arm64-ilp32. + # - 32-bit instruction set, 32-bit pointers, 32-bit 'long': arm or armhf. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifdef __aarch64__ + int ok; + #else + error fail + #endif + ]])], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __ILP32__ || defined _ILP32 + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=arm64-ilp32], + [gl_cv_host_cpu_c_abi=arm64])], + [# Don't distinguish little-endian and big-endian arm, since they + # don't require different machine code for simple operations and + # since the user can distinguish them through the preprocessor + # defines __ARMEL__ vs. __ARMEB__. + # But distinguish arm which passes floating-point arguments and + # return values in integer registers (r0, r1, ...) - this is + # gcc -mfloat-abi=soft or gcc -mfloat-abi=softfp - from arm which + # passes them in float registers (s0, s1, ...) and double registers + # (d0, d1, ...) - this is gcc -mfloat-abi=hard. GCC 4.6 or newer + # sets the preprocessor defines __ARM_PCS (for the first case) and + # __ARM_PCS_VFP (for the second case), but older GCC does not. + echo 'double ddd; void func (double dd) { ddd = dd; }' > conftest.c + # Look for a reference to the register d0 in the .s file. + AC_TRY_COMMAND(${CC-cc} $CFLAGS $CPPFLAGS $gl_c_asm_opt conftest.c) >/dev/null 2>&1 + if LC_ALL=C grep 'd0,' conftest.$gl_asmext >/dev/null; then + gl_cv_host_cpu_c_abi=armhf + else + gl_cv_host_cpu_c_abi=arm + fi + rm -f conftest* + ]) + ;; + + hppa1.0 | hppa1.1 | hppa2.0* | hppa64 ) + # On hppa, the C compiler may be generating 32-bit code or 64-bit + # code. In the latter case, it defines _LP64 and __LP64__. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifdef __LP64__ + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=hppa64], + [gl_cv_host_cpu_c_abi=hppa]) + ;; + + ia64* ) + # On ia64 on HP-UX, the C compiler may be generating 64-bit code or + # 32-bit code. In the latter case, it defines _ILP32. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifdef _ILP32 + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=ia64-ilp32], + [gl_cv_host_cpu_c_abi=ia64]) + ;; + + mips* ) + # We should also check for (_MIPS_SZPTR == 64), but gcc keeps this + # at 32. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined _MIPS_SZLONG && (_MIPS_SZLONG == 64) + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=mips64], + [# In the n32 ABI, _ABIN32 is defined, _ABIO32 is not defined (but + # may later get defined by ), and _MIPS_SIM == _ABIN32. + # In the 32 ABI, _ABIO32 is defined, _ABIN32 is not defined (but + # may later get defined by ), and _MIPS_SIM == _ABIO32. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if (_MIPS_SIM == _ABIN32) + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=mipsn32], + [gl_cv_host_cpu_c_abi=mips])]) + ;; + + powerpc* ) + # Different ABIs are in use on AIX vs. Mac OS X vs. Linux,*BSD. + # No need to distinguish them here; the caller may distinguish + # them based on the OS. + # On powerpc64 systems, the C compiler may still be generating + # 32-bit code. And on powerpc-ibm-aix systems, the C compiler may + # be generating 64-bit code. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __powerpc64__ || defined _ARCH_PPC64 + int ok; + #else + error fail + #endif + ]])], + [# On powerpc64, there are two ABIs on Linux: The AIX compatible + # one and the ELFv2 one. The latter defines _CALL_ELF=2. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined _CALL_ELF && _CALL_ELF == 2 + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=powerpc64-elfv2], + [gl_cv_host_cpu_c_abi=powerpc64]) + ], + [gl_cv_host_cpu_c_abi=powerpc]) + ;; + + rs6000 ) + gl_cv_host_cpu_c_abi=powerpc + ;; + + riscv32 | riscv64 ) + # There are 2 architectures (with variants): rv32* and rv64*. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if __riscv_xlen == 64 + int ok; + #else + error fail + #endif + ]])], + [cpu=riscv64], + [cpu=riscv32]) + # There are 6 ABIs: ilp32, ilp32f, ilp32d, lp64, lp64f, lp64d. + # Size of 'long' and 'void *': + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __LP64__ + int ok; + #else + error fail + #endif + ]])], + [main_abi=lp64], + [main_abi=ilp32]) + # Float ABIs: + # __riscv_float_abi_double: + # 'float' and 'double' are passed in floating-point registers. + # __riscv_float_abi_single: + # 'float' are passed in floating-point registers. + # __riscv_float_abi_soft: + # No values are passed in floating-point registers. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __riscv_float_abi_double + int ok; + #else + error fail + #endif + ]])], + [float_abi=d], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __riscv_float_abi_single + int ok; + #else + error fail + #endif + ]])], + [float_abi=f], + [float_abi='']) + ]) + gl_cv_host_cpu_c_abi="${cpu}-${main_abi}${float_abi}" + ;; + + s390* ) + # On s390x, the C compiler may be generating 64-bit (= s390x) code + # or 31-bit (= s390) code. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __LP64__ || defined __s390x__ + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=s390x], + [gl_cv_host_cpu_c_abi=s390]) + ;; + + sparc | sparc64 ) + # UltraSPARCs running Linux have `uname -m` = "sparc64", but the + # C compiler still generates 32-bit code. + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#if defined __sparcv9 || defined __arch64__ + int ok; + #else + error fail + #endif + ]])], + [gl_cv_host_cpu_c_abi=sparc64], + [gl_cv_host_cpu_c_abi=sparc]) + ;; + + *) + gl_cv_host_cpu_c_abi="$host_cpu" + ;; + esac + ]) + + dnl In most cases, $HOST_CPU and $HOST_CPU_C_ABI are the same. + HOST_CPU=`echo "$gl_cv_host_cpu_c_abi" | sed -e 's/-.*//'` + HOST_CPU_C_ABI="$gl_cv_host_cpu_c_abi" + AC_SUBST([HOST_CPU]) + AC_SUBST([HOST_CPU_C_ABI]) + + # This was + # AC_DEFINE_UNQUOTED([__${HOST_CPU}__]) + # AC_DEFINE_UNQUOTED([__${HOST_CPU_C_ABI}__]) + # earlier, but KAI C++ 3.2d doesn't like this. + sed -e 's/-/_/g' >> confdefs.h < +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_func_iconv=yes]) + if test "$am_cv_func_iconv" != yes; then + am_save_LIBS="$LIBS" + LIBS="$LIBS $LIBICONV" + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + ]], + [[iconv_t cd = iconv_open("",""); + iconv(cd,NULL,NULL,NULL,NULL); + iconv_close(cd);]])], + [am_cv_lib_iconv=yes] + [am_cv_func_iconv=yes]) + LIBS="$am_save_LIBS" + fi + ]) + if test "$am_cv_func_iconv" = yes; then + AC_CACHE_CHECK([for working iconv], [am_cv_func_iconv_works], [ + dnl This tests against bugs in AIX 5.1, AIX 6.1..7.1, HP-UX 11.11, + dnl Solaris 10. + am_save_LIBS="$LIBS" + if test $am_cv_lib_iconv = yes; then + LIBS="$LIBS $LIBICONV" + fi + am_cv_func_iconv_works=no + for ac_iconv_const in '' 'const'; do + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include + +#ifndef ICONV_CONST +# define ICONV_CONST $ac_iconv_const +#endif + ]], + [[int result = 0; + /* Test against AIX 5.1 bug: Failures are not distinguishable from successful + returns. */ + { + iconv_t cd_utf8_to_88591 = iconv_open ("ISO8859-1", "UTF-8"); + if (cd_utf8_to_88591 != (iconv_t)(-1)) + { + static ICONV_CONST char input[] = "\342\202\254"; /* EURO SIGN */ + char buf[10]; + ICONV_CONST char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_utf8_to_88591, + &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 1; + iconv_close (cd_utf8_to_88591); + } + } + /* Test against Solaris 10 bug: Failures are not distinguishable from + successful returns. */ + { + iconv_t cd_ascii_to_88591 = iconv_open ("ISO8859-1", "646"); + if (cd_ascii_to_88591 != (iconv_t)(-1)) + { + static ICONV_CONST char input[] = "\263"; + char buf[10]; + ICONV_CONST char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_ascii_to_88591, + &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res == 0) + result |= 2; + iconv_close (cd_ascii_to_88591); + } + } + /* Test against AIX 6.1..7.1 bug: Buffer overrun. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("UTF-8", "ISO-8859-1"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static ICONV_CONST char input[] = "\304"; + static char buf[2] = { (char)0xDE, (char)0xAD }; + ICONV_CONST char *inptr = input; + size_t inbytesleft = 1; + char *outptr = buf; + size_t outbytesleft = 1; + size_t res = iconv (cd_88591_to_utf8, + &inptr, &inbytesleft, + &outptr, &outbytesleft); + if (res != (size_t)(-1) || outptr - buf > 1 || buf[1] != (char)0xAD) + result |= 4; + iconv_close (cd_88591_to_utf8); + } + } +#if 0 /* This bug could be worked around by the caller. */ + /* Test against HP-UX 11.11 bug: Positive return value instead of 0. */ + { + iconv_t cd_88591_to_utf8 = iconv_open ("utf8", "iso88591"); + if (cd_88591_to_utf8 != (iconv_t)(-1)) + { + static ICONV_CONST char input[] = "\304rger mit b\366sen B\374bchen ohne Augenma\337"; + char buf[50]; + ICONV_CONST char *inptr = input; + size_t inbytesleft = strlen (input); + char *outptr = buf; + size_t outbytesleft = sizeof (buf); + size_t res = iconv (cd_88591_to_utf8, + &inptr, &inbytesleft, + &outptr, &outbytesleft); + if ((int)res > 0) + result |= 8; + iconv_close (cd_88591_to_utf8); + } + } +#endif + /* Test against HP-UX 11.11 bug: No converter from EUC-JP to UTF-8 is + provided. */ + { + /* Try standardized names. */ + iconv_t cd1 = iconv_open ("UTF-8", "EUC-JP"); + /* Try IRIX, OSF/1 names. */ + iconv_t cd2 = iconv_open ("UTF-8", "eucJP"); + /* Try AIX names. */ + iconv_t cd3 = iconv_open ("UTF-8", "IBM-eucJP"); + /* Try HP-UX names. */ + iconv_t cd4 = iconv_open ("utf8", "eucJP"); + if (cd1 == (iconv_t)(-1) && cd2 == (iconv_t)(-1) + && cd3 == (iconv_t)(-1) && cd4 == (iconv_t)(-1)) + result |= 16; + if (cd1 != (iconv_t)(-1)) + iconv_close (cd1); + if (cd2 != (iconv_t)(-1)) + iconv_close (cd2); + if (cd3 != (iconv_t)(-1)) + iconv_close (cd3); + if (cd4 != (iconv_t)(-1)) + iconv_close (cd4); + } + return result; +]])], + [am_cv_func_iconv_works=yes], , + [case "$host_os" in + aix* | hpux*) am_cv_func_iconv_works="guessing no" ;; + *) am_cv_func_iconv_works="guessing yes" ;; + esac]) + test "$am_cv_func_iconv_works" = no || break + done + LIBS="$am_save_LIBS" + ]) + case "$am_cv_func_iconv_works" in + *no) am_func_iconv=no am_cv_lib_iconv=no ;; + *) am_func_iconv=yes ;; + esac + else + am_func_iconv=no am_cv_lib_iconv=no + fi + if test "$am_func_iconv" = yes; then + AC_DEFINE([HAVE_ICONV], [1], + [Define if you have the iconv() function and it works.]) + fi + if test "$am_cv_lib_iconv" = yes; then + AC_MSG_CHECKING([how to link with libiconv]) + AC_MSG_RESULT([$LIBICONV]) + else + dnl If $LIBICONV didn't lead to a usable library, we don't need $INCICONV + dnl either. + CPPFLAGS="$am_save_CPPFLAGS" + LIBICONV= + LTLIBICONV= + fi + AC_SUBST([LIBICONV]) + AC_SUBST([LTLIBICONV]) +]) + +dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to +dnl avoid warnings like +dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". +dnl This is tricky because of the way 'aclocal' is implemented: +dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN. +dnl Otherwise aclocal's initial scan pass would miss the macro definition. +dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions. +dnl Otherwise aclocal would emit many "Use of uninitialized value $1" +dnl warnings. +m4_define([gl_iconv_AC_DEFUN], + m4_version_prereq([2.64], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [m4_ifdef([gl_00GNULIB], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [[AC_DEFUN( + [$1], [$2])]])])) +gl_iconv_AC_DEFUN([AM_ICONV], +[ + AM_ICONV_LINK + if test "$am_cv_func_iconv" = yes; then + AC_MSG_CHECKING([for iconv declaration]) + AC_CACHE_VAL([am_cv_proto_iconv], [ + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[ +#include +#include +extern +#ifdef __cplusplus +"C" +#endif +#if defined(__STDC__) || defined(_MSC_VER) || defined(__cplusplus) +size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft); +#else +size_t iconv(); +#endif + ]], + [[]])], + [am_cv_proto_iconv_arg1=""], + [am_cv_proto_iconv_arg1="const"]) + am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"]) + am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'` + AC_MSG_RESULT([ + $am_cv_proto_iconv]) + else + dnl When compiling GNU libiconv on a system that does not have iconv yet, + dnl pick the POSIX compliant declaration without 'const'. + am_cv_proto_iconv_arg1="" + fi + AC_DEFINE_UNQUOTED([ICONV_CONST], [$am_cv_proto_iconv_arg1], + [Define as const if the declaration of iconv() needs const.]) + dnl Also substitute ICONV_CONST in the gnulib generated . + m4_ifdef([gl_ICONV_H_DEFAULTS], + [AC_REQUIRE([gl_ICONV_H_DEFAULTS]) + if test -n "$am_cv_proto_iconv_arg1"; then + ICONV_CONST="const" + fi + ]) +]) diff --git a/m4/lib-ld.m4 b/m4/lib-ld.m4 new file mode 100644 index 0000000..a187196 --- /dev/null +++ b/m4/lib-ld.m4 @@ -0,0 +1,168 @@ +# lib-ld.m4 serial 9 +dnl Copyright (C) 1996-2003, 2009-2019 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl Subroutines of libtool.m4, +dnl with replacements s/_*LT_PATH/AC_LIB_PROG/ and s/lt_/acl_/ to avoid +dnl collision with libtool.m4. + +dnl From libtool-2.4. Sets the variable with_gnu_ld to yes or no. +AC_DEFUN([AC_LIB_PROG_LD_GNU], +[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], [acl_cv_prog_gnu_ld], +[# I'd rather use --version here, but apparently some GNU lds only accept -v. +case `$LD -v 2>&1 /dev/null 2>&1 \ + && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \ + || PATH_SEPARATOR=';' + } +fi + +if test -n "$LD"; then + AC_MSG_CHECKING([for ld]) +elif test "$GCC" = yes; then + AC_MSG_CHECKING([for ld used by $CC]) +elif test "$with_gnu_ld" = yes; then + AC_MSG_CHECKING([for GNU ld]) +else + AC_MSG_CHECKING([for non-GNU ld]) +fi +if test -n "$LD"; then + # Let the user override the test with a path. + : +else + AC_CACHE_VAL([acl_cv_path_LD], + [ + acl_cv_path_LD= # Final result of this test + ac_prog=ld # Program to search in $PATH + if test "$GCC" = yes; then + # Check if gcc -print-prog-name=ld gives a path. + case $host in + *-*-mingw*) + # gcc leaves a trailing carriage return which upsets mingw + acl_output=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;; + *) + acl_output=`($CC -print-prog-name=ld) 2>&5` ;; + esac + case $acl_output in + # Accept absolute paths. + [[\\/]]* | ?:[[\\/]]*) + re_direlt='/[[^/]][[^/]]*/\.\./' + # Canonicalize the pathname of ld + acl_output=`echo "$acl_output" | sed 's%\\\\%/%g'` + while echo "$acl_output" | grep "$re_direlt" > /dev/null 2>&1; do + acl_output=`echo $acl_output | sed "s%$re_direlt%/%"` + done + # Got the pathname. No search in PATH is needed. + acl_cv_path_LD="$acl_output" + ac_prog= + ;; + "") + # If it fails, then pretend we aren't using GCC. + ;; + *) + # If it is relative, then search for the first ld in PATH. + with_gnu_ld=unknown + ;; + esac + fi + if test -n "$ac_prog"; then + # Search for $ac_prog in $PATH. + acl_save_ifs="$IFS"; IFS=$PATH_SEPARATOR + for ac_dir in $PATH; do + IFS="$acl_save_ifs" + test -z "$ac_dir" && ac_dir=. + if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then + acl_cv_path_LD="$ac_dir/$ac_prog" + # Check to see if the program is GNU ld. I'd rather use --version, + # but apparently some variants of GNU ld only accept -v. + # Break only if it was the GNU/non-GNU ld that we prefer. + case `"$acl_cv_path_LD" -v 2>&1 conftest.sh + . ./conftest.sh + rm -f ./conftest.sh + acl_cv_rpath=done + ]) + wl="$acl_cv_wl" + acl_libext="$acl_cv_libext" + acl_shlibext="$acl_cv_shlibext" + acl_libname_spec="$acl_cv_libname_spec" + acl_library_names_spec="$acl_cv_library_names_spec" + acl_hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" + acl_hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" + acl_hardcode_direct="$acl_cv_hardcode_direct" + acl_hardcode_minus_L="$acl_cv_hardcode_minus_L" + dnl Determine whether the user wants rpath handling at all. + AC_ARG_ENABLE([rpath], + [ --disable-rpath do not hardcode runtime library paths], + :, enable_rpath=yes) +]) + +dnl AC_LIB_FROMPACKAGE(name, package) +dnl declares that libname comes from the given package. The configure file +dnl will then not have a --with-libname-prefix option but a +dnl --with-package-prefix option. Several libraries can come from the same +dnl package. This declaration must occur before an AC_LIB_LINKFLAGS or similar +dnl macro call that searches for libname. +AC_DEFUN([AC_LIB_FROMPACKAGE], +[ + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_frompackage_]NAME, [$2]) + popdef([NAME]) + pushdef([PACK],[$2]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + define([acl_libsinpackage_]PACKUP, + m4_ifdef([acl_libsinpackage_]PACKUP, [m4_defn([acl_libsinpackage_]PACKUP)[, ]],)[lib$1]) + popdef([PACKUP]) + popdef([PACK]) +]) + +dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and +dnl the libraries corresponding to explicit and implicit dependencies. +dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. +dnl Also, sets the LIB${NAME}_PREFIX variable to nonempty if libname was found +dnl in ${LIB${NAME}_PREFIX}/$acl_libdirstem. +AC_DEFUN([AC_LIB_LINKFLAGS_BODY], +[ + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + pushdef([NAME],[m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACK],[m4_ifdef([acl_frompackage_]NAME, [acl_frompackage_]NAME, lib[$1])]) + pushdef([PACKUP],[m4_translit(PACK,[abcdefghijklmnopqrstuvwxyz./+-], + [ABCDEFGHIJKLMNOPQRSTUVWXYZ____])]) + pushdef([PACKLIBS],[m4_ifdef([acl_frompackage_]NAME, [acl_libsinpackage_]PACKUP, lib[$1])]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_ARG_WITH(PACK[-prefix], +[[ --with-]]PACK[[-prefix[=DIR] search for ]PACKLIBS[ in DIR/include and DIR/lib + --without-]]PACK[[-prefix don't search for ]PACKLIBS[ in includedir and libdir]], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + if test "$acl_libdirstem2" != "$acl_libdirstem" \ + && test ! -d "$withval/$acl_libdirstem"; then + additional_libdir="$withval/$acl_libdirstem2" + fi + fi + fi +]) + dnl Search the library and its dependencies in $additional_libdir and + dnl $LDFLAGS. Using breadth-first-seach. + LIB[]NAME= + LTLIB[]NAME= + INC[]NAME= + LIB[]NAME[]_PREFIX= + dnl HAVE_LIB${NAME} is an indicator that LIB${NAME}, LTLIB${NAME} have been + dnl computed. So it has to be reset here. + HAVE_LIB[]NAME= + rpathdirs= + ltrpathdirs= + names_already_handled= + names_next_round='$1 $2' + while test -n "$names_next_round"; do + names_this_round="$names_next_round" + names_next_round= + for name in $names_this_round; do + already_handled= + for n in $names_already_handled; do + if test "$n" = "$name"; then + already_handled=yes + break + fi + done + if test -z "$already_handled"; then + names_already_handled="$names_already_handled $name" + dnl See if it was already located by an earlier AC_LIB_LINKFLAGS + dnl or AC_LIB_HAVE_LINKFLAGS call. + uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./+-|ABCDEFGHIJKLMNOPQRSTUVWXYZ____|'` + eval value=\"\$HAVE_LIB$uppername\" + if test -n "$value"; then + if test "$value" = yes; then + eval value=\"\$LIB$uppername\" + test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" + eval value=\"\$LTLIB$uppername\" + test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" + else + dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined + dnl that this library doesn't exist. So just drop it. + : + fi + else + dnl Search the library lib$name in $additional_libdir and $LDFLAGS + dnl and the already constructed $LIBNAME/$LTLIBNAME. + found_dir= + found_la= + found_so= + found_a= + eval libname=\"$acl_libname_spec\" # typically: libname=lib$name + if test -n "$acl_shlibext"; then + shrext=".$acl_shlibext" # typically: shrext=.so + else + shrext= + fi + if test $use_additional = yes; then + dir="$additional_libdir" + dnl The same code as in the loop below: + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + fi + if test "X$found_dir" = "X"; then + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + case "$x" in + -L*) + dir=`echo "X$x" | sed -e 's/^X-L//'` + dnl First look for a shared library. + if test -n "$acl_shlibext"; then + if test -f "$dir/$libname$shrext"; then + found_dir="$dir" + found_so="$dir/$libname$shrext" + else + if test "$acl_library_names_spec" = '$libname$shrext$versuffix'; then + ver=`(cd "$dir" && \ + for f in "$libname$shrext".*; do echo "$f"; done \ + | sed -e "s,^$libname$shrext\\\\.,," \ + | sort -t '.' -n -r -k1,1 -k2,2 -k3,3 -k4,4 -k5,5 \ + | sed 1q ) 2>/dev/null` + if test -n "$ver" && test -f "$dir/$libname$shrext.$ver"; then + found_dir="$dir" + found_so="$dir/$libname$shrext.$ver" + fi + else + eval library_names=\"$acl_library_names_spec\" + for f in $library_names; do + if test -f "$dir/$f"; then + found_dir="$dir" + found_so="$dir/$f" + break + fi + done + fi + fi + fi + dnl Then look for a static library. + if test "X$found_dir" = "X"; then + if test -f "$dir/$libname.$acl_libext"; then + found_dir="$dir" + found_a="$dir/$libname.$acl_libext" + fi + fi + if test "X$found_dir" != "X"; then + if test -f "$dir/$libname.la"; then + found_la="$dir/$libname.la" + fi + fi + ;; + esac + if test "X$found_dir" != "X"; then + break + fi + done + fi + if test "X$found_dir" != "X"; then + dnl Found the library. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" + if test "X$found_so" != "X"; then + dnl Linking with a shared library. We attempt to hardcode its + dnl directory into the executable's runpath, unless it's the + dnl standard /usr/lib. + if test "$enable_rpath" = no \ + || test "X$found_dir" = "X/usr/$acl_libdirstem" \ + || test "X$found_dir" = "X/usr/$acl_libdirstem2"; then + dnl No hardcoding is needed. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $found_dir" + fi + dnl The hardcoding into $LIBNAME is system dependent. + if test "$acl_hardcode_direct" = yes; then + dnl Using DIR/libNAME.so during linking hardcodes DIR into the + dnl resulting binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode DIR into the resulting + dnl binary. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $found_dir" + fi + else + dnl Rely on "-L$found_dir". + dnl But don't add it if it's already contained in the LDFLAGS + dnl or the already constructed $LIBNAME + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$found_dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" + fi + if test "$acl_hardcode_minus_L" != no; then + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" + else + dnl We cannot use $acl_hardcode_runpath_var and LD_RUN_PATH + dnl here, because this doesn't fit in flags passed to the + dnl compiler. So give up. No hardcoding. This affects only + dnl very old systems. + dnl FIXME: Not sure whether we should use + dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" + dnl here. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + fi + fi + fi + fi + else + if test "X$found_a" != "X"; then + dnl Linking with a static library. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" + else + dnl We shouldn't come here, but anyway it's good to have a + dnl fallback. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" + fi + fi + dnl Assume the include files are nearby. + additional_includedir= + case "$found_dir" in + */$acl_libdirstem | */$acl_libdirstem/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + */$acl_libdirstem2 | */$acl_libdirstem2/) + basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e "s,/$acl_libdirstem2/"'*$,,'` + if test "$name" = '$1'; then + LIB[]NAME[]_PREFIX="$basedir" + fi + additional_includedir="$basedir/include" + ;; + esac + if test "X$additional_includedir" != "X"; then + dnl Potentially add $additional_includedir to $INCNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's /usr/local/include and we are using GCC on Linux, + dnl 3. if it's already present in $CPPFLAGS or the already + dnl constructed $INCNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + for x in $CPPFLAGS $INC[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $INCNAME. + INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" + fi + fi + fi + fi + fi + dnl Look for dependencies. + if test -n "$found_la"; then + dnl Read the .la file. It defines the variables + dnl dlname, library_names, old_library, dependency_libs, current, + dnl age, revision, installed, dlopen, dlpreopen, libdir. + save_libdir="$libdir" + case "$found_la" in + */* | *\\*) . "$found_la" ;; + *) . "./$found_la" ;; + esac + libdir="$save_libdir" + dnl We use only dependency_libs. + for dep in $dependency_libs; do + case "$dep" in + -L*) + additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` + dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's /usr/local/lib and we are using GCC on Linux, + dnl 3. if it's already present in $LDFLAGS or the already + dnl constructed $LIBNAME, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem" \ + && test "X$additional_libdir" != "X/usr/$acl_libdirstem2"; then + haveit= + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem" \ + || test "X$additional_libdir" = "X/usr/local/$acl_libdirstem2"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + haveit= + for x in $LDFLAGS $LIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LIBNAME. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" + fi + fi + haveit= + for x in $LDFLAGS $LTLIB[]NAME; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LTLIBNAME. + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" + fi + fi + fi + fi + ;; + -R*) + dir=`echo "X$dep" | sed -e 's/^X-R//'` + if test "$enable_rpath" != no; then + dnl Potentially add DIR to rpathdirs. + dnl The rpathdirs will be appended to $LIBNAME at the end. + haveit= + for x in $rpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + rpathdirs="$rpathdirs $dir" + fi + dnl Potentially add DIR to ltrpathdirs. + dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. + haveit= + for x in $ltrpathdirs; do + if test "X$x" = "X$dir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + ltrpathdirs="$ltrpathdirs $dir" + fi + fi + ;; + -l*) + dnl Handle this in the next round. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` + ;; + *.la) + dnl Handle this in the next round. Throw away the .la's + dnl directory; it is already contained in a preceding -L + dnl option. + names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` + ;; + *) + dnl Most likely an immediate library name. + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" + ;; + esac + done + fi + else + dnl Didn't find the library; assume it is in the system directories + dnl known to the linker and runtime loader. (All the system + dnl directories known to the linker should also be known to the + dnl runtime loader, otherwise the system is severely misconfigured.) + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" + fi + fi + fi + done + done + if test "X$rpathdirs" != "X"; then + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user must + dnl pass all path elements in one option. We can arrange that for a + dnl single library, but not when more than one $LIBNAMEs are used. + alldirs= + for found_dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$found_dir" + done + dnl Note: acl_hardcode_libdir_flag_spec uses $libdir and $wl. + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + else + dnl The -rpath options are cumulative. + for found_dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$found_dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" + done + fi + fi + if test "X$ltrpathdirs" != "X"; then + dnl When using libtool, the option that works for both libraries and + dnl executables is -R. The -R options are cumulative. + for found_dir in $ltrpathdirs; do + LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" + done + fi + popdef([PACKLIBS]) + popdef([PACKUP]) + popdef([PACK]) + popdef([NAME]) +]) + +dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, +dnl unless already present in VAR. +dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes +dnl contains two or three consecutive elements that belong together. +AC_DEFUN([AC_LIB_APPENDTOVAR], +[ + for element in [$2]; do + haveit= + for x in $[$1]; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X$element"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + [$1]="${[$1]}${[$1]:+ }$element" + fi + done +]) + +dnl For those cases where a variable contains several -L and -l options +dnl referring to unknown libraries and directories, this macro determines the +dnl necessary additional linker options for the runtime path. +dnl AC_LIB_LINKFLAGS_FROM_LIBS([LDADDVAR], [LIBSVALUE], [USE-LIBTOOL]) +dnl sets LDADDVAR to linker options needed together with LIBSVALUE. +dnl If USE-LIBTOOL evaluates to non-empty, linking with libtool is assumed, +dnl otherwise linking without libtool is assumed. +AC_DEFUN([AC_LIB_LINKFLAGS_FROM_LIBS], +[ + AC_REQUIRE([AC_LIB_RPATH]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + $1= + if test "$enable_rpath" != no; then + if test -n "$acl_hardcode_libdir_flag_spec" && test "$acl_hardcode_minus_L" = no; then + dnl Use an explicit option to hardcode directories into the resulting + dnl binary. + rpathdirs= + next= + for opt in $2; do + if test -n "$next"; then + dir="$next" + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= + else + case $opt in + -L) next=yes ;; + -L*) dir=`echo "X$opt" | sed -e 's,^X-L,,'` + dnl No need to hardcode the standard /usr/lib. + if test "X$dir" != "X/usr/$acl_libdirstem" \ + && test "X$dir" != "X/usr/$acl_libdirstem2"; then + rpathdirs="$rpathdirs $dir" + fi + next= ;; + *) next= ;; + esac + fi + done + if test "X$rpathdirs" != "X"; then + if test -n ""$3""; then + dnl libtool is used for linking. Use -R options. + for dir in $rpathdirs; do + $1="${$1}${$1:+ }-R$dir" + done + else + dnl The linker is used for linking directly. + if test -n "$acl_hardcode_libdir_separator"; then + dnl Weird platform: only the last -rpath option counts, the user + dnl must pass all path elements in one option. + alldirs= + for dir in $rpathdirs; do + alldirs="${alldirs}${alldirs:+$acl_hardcode_libdir_separator}$dir" + done + acl_save_libdir="$libdir" + libdir="$alldirs" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="$flag" + else + dnl The -rpath options are cumulative. + for dir in $rpathdirs; do + acl_save_libdir="$libdir" + libdir="$dir" + eval flag=\"$acl_hardcode_libdir_flag_spec\" + libdir="$acl_save_libdir" + $1="${$1}${$1:+ }$flag" + done + fi + fi + fi + fi + fi + AC_SUBST([$1]) +]) diff --git a/m4/lib-prefix.m4 b/m4/lib-prefix.m4 new file mode 100644 index 0000000..8adb17b --- /dev/null +++ b/m4/lib-prefix.m4 @@ -0,0 +1,249 @@ +# lib-prefix.m4 serial 14 +dnl Copyright (C) 2001-2005, 2008-2019 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible. + +dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed +dnl to access previously installed libraries. The basic assumption is that +dnl a user will want packages to use other packages he previously installed +dnl with the same --prefix option. +dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate +dnl libraries, but is otherwise very convenient. +AC_DEFUN([AC_LIB_PREFIX], +[ + AC_BEFORE([$0], [AC_LIB_LINKFLAGS]) + AC_REQUIRE([AC_PROG_CC]) + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([AC_LIB_PREPARE_MULTILIB]) + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + dnl By default, look in $includedir and $libdir. + use_additional=yes + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + AC_ARG_WITH([lib-prefix], +[[ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib + --without-lib-prefix don't search for libraries in includedir and libdir]], +[ + if test "X$withval" = "Xno"; then + use_additional=no + else + if test "X$withval" = "X"; then + AC_LIB_WITH_FINAL_PREFIX([ + eval additional_includedir=\"$includedir\" + eval additional_libdir=\"$libdir\" + ]) + else + additional_includedir="$withval/include" + additional_libdir="$withval/$acl_libdirstem" + fi + fi +]) + if test $use_additional = yes; then + dnl Potentially add $additional_includedir to $CPPFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/include, + dnl 2. if it's already present in $CPPFLAGS, + dnl 3. if it's /usr/local/include and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_includedir" != "X/usr/include"; then + haveit= + for x in $CPPFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-I$additional_includedir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_includedir" = "X/usr/local/include"; then + if test -n "$GCC"; then + case $host_os in + linux* | gnu* | k*bsd*-gnu) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_includedir"; then + dnl Really add $additional_includedir to $CPPFLAGS. + CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir" + fi + fi + fi + fi + dnl Potentially add $additional_libdir to $LDFLAGS. + dnl But don't add it + dnl 1. if it's the standard /usr/lib, + dnl 2. if it's already present in $LDFLAGS, + dnl 3. if it's /usr/local/lib and we are using GCC on Linux, + dnl 4. if it doesn't exist as a directory. + if test "X$additional_libdir" != "X/usr/$acl_libdirstem"; then + haveit= + for x in $LDFLAGS; do + AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) + if test "X$x" = "X-L$additional_libdir"; then + haveit=yes + break + fi + done + if test -z "$haveit"; then + if test "X$additional_libdir" = "X/usr/local/$acl_libdirstem"; then + if test -n "$GCC"; then + case $host_os in + linux*) haveit=yes;; + esac + fi + fi + if test -z "$haveit"; then + if test -d "$additional_libdir"; then + dnl Really add $additional_libdir to $LDFLAGS. + LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir" + fi + fi + fi + fi + fi +]) + +dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix, +dnl acl_final_exec_prefix, containing the values to which $prefix and +dnl $exec_prefix will expand at the end of the configure script. +AC_DEFUN([AC_LIB_PREPARE_PREFIX], +[ + dnl Unfortunately, prefix and exec_prefix get only finally determined + dnl at the end of configure. + if test "X$prefix" = "XNONE"; then + acl_final_prefix="$ac_default_prefix" + else + acl_final_prefix="$prefix" + fi + if test "X$exec_prefix" = "XNONE"; then + acl_final_exec_prefix='${prefix}' + else + acl_final_exec_prefix="$exec_prefix" + fi + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + eval acl_final_exec_prefix=\"$acl_final_exec_prefix\" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the +dnl variables prefix and exec_prefix bound to the values they will have +dnl at the end of the configure script. +AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX], +[ + acl_save_prefix="$prefix" + prefix="$acl_final_prefix" + acl_save_exec_prefix="$exec_prefix" + exec_prefix="$acl_final_exec_prefix" + $1 + exec_prefix="$acl_save_exec_prefix" + prefix="$acl_save_prefix" +]) + +dnl AC_LIB_PREPARE_MULTILIB creates +dnl - a variable acl_libdirstem, containing the basename of the libdir, either +dnl "lib" or "lib64" or "lib/64", +dnl - a variable acl_libdirstem2, as a secondary possible value for +dnl acl_libdirstem, either the same as acl_libdirstem or "lib/sparcv9" or +dnl "lib/amd64". +AC_DEFUN([AC_LIB_PREPARE_MULTILIB], +[ + dnl There is no formal standard regarding lib and lib64. + dnl On glibc systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib64 and 32-bit libraries go under $prefix/lib. We determine + dnl the compiler's default mode by looking at the compiler's library search + dnl path. If at least one of its elements ends in /lib64 or points to a + dnl directory whose absolute pathname ends in /lib64, we assume a 64-bit ABI. + dnl Otherwise we use the default, namely "lib". + dnl On Solaris systems, the current practice is that on a system supporting + dnl 32-bit and 64-bit instruction sets or ABIs, 64-bit libraries go under + dnl $prefix/lib/64 (which is a symlink to either $prefix/lib/sparcv9 or + dnl $prefix/lib/amd64) and 32-bit libraries go under $prefix/lib. + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_HOST_CPU_C_ABI_32BIT]) + + case "$host_os" in + solaris*) + AC_CACHE_CHECK([for 64-bit host], [gl_cv_solaris_64bit], + [AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifdef _LP64 + int ok; + #else + error fail + #endif + ]])], + [gl_cv_solaris_64bit=yes], + [gl_cv_solaris_64bit=no]) + ]);; + esac + + dnl Allow the user to override the result by setting acl_cv_libdirstems. + AC_CACHE_CHECK([for the common suffixes of directories in the library search path], + [acl_cv_libdirstems], + [acl_libdirstem=lib + acl_libdirstem2= + case "$host_os" in + solaris*) + dnl See Solaris 10 Software Developer Collection > Solaris 64-bit Developer's Guide > The Development Environment + dnl . + dnl "Portable Makefiles should refer to any library directories using the 64 symbolic link." + dnl But we want to recognize the sparcv9 or amd64 subdirectory also if the + dnl symlink is missing, so we set acl_libdirstem2 too. + if test $gl_cv_solaris_64bit = yes; then + acl_libdirstem=lib/64 + case "$host_cpu" in + sparc*) acl_libdirstem2=lib/sparcv9 ;; + i*86 | x86_64) acl_libdirstem2=lib/amd64 ;; + esac + fi + ;; + *) + dnl If $CC generates code for a 32-bit ABI, the libraries are + dnl surely under $prefix/lib, not $prefix/lib64. + if test "$HOST_CPU_C_ABI_32BIT" != yes; then + dnl The result is a property of the system. However, non-system + dnl compilers sometimes have odd library search paths. Therefore + dnl prefer asking /usr/bin/gcc, if available, rather than $CC. + searchpath=`(if test -f /usr/bin/gcc \ + && LC_ALL=C /usr/bin/gcc -print-search-dirs >/dev/null 2>/dev/null; then \ + LC_ALL=C /usr/bin/gcc -print-search-dirs; \ + else \ + LC_ALL=C $CC -print-search-dirs; \ + fi) 2>/dev/null \ + | sed -n -e 's,^libraries: ,,p' | sed -e 's,^=,,'` + if test -n "$searchpath"; then + acl_save_IFS="${IFS= }"; IFS=":" + for searchdir in $searchpath; do + if test -d "$searchdir"; then + case "$searchdir" in + */lib64/ | */lib64 ) acl_libdirstem=lib64 ;; + */../ | */.. ) + # Better ignore directories of this form. They are misleading. + ;; + *) searchdir=`cd "$searchdir" && pwd` + case "$searchdir" in + */lib64 ) acl_libdirstem=lib64 ;; + esac ;; + esac + fi + done + IFS="$acl_save_IFS" + fi + fi + ;; + esac + test -n "$acl_libdirstem2" || acl_libdirstem2="$acl_libdirstem" + acl_cv_libdirstems="$acl_libdirstem,$acl_libdirstem2" + ]) + # Decompose acl_cv_libdirstems into acl_libdirstem and acl_libdirstem2. + acl_libdirstem=`echo "$acl_cv_libdirstems" | sed -e 's/,.*//'` + acl_libdirstem2=`echo "$acl_cv_libdirstems" | sed -e '/,/s/.*,//'` +])