Update autotools things (e.g. git-based version)

.gitignore

@@ -11,3 +11,4 @@ autom4te.cache/
 src/config.h.in~
 src/*.o
 src/*.exe
+src/version.h

AUTHORS

@@ -1 +1 @@
-Thanassis Tsiodras <[email protected]>
+Thanassis Tsiodras <[email protected]>

Makefile.in

@@ -1,7 +1,7 @@
-# Makefile.in generated by automake 1.16.2 from Makefile.am.
+# Makefile.in generated by automake 1.15 from Makefile.am.
 # @configure_input@
 
-# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+# Copyright (C) 1994-2014 Free Software Foundation, Inc.
 
 # This Makefile.in is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -93,6 +93,7 @@ ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \
 	$(top_srcdir)/ac-macros/ax_openmp.m4 \
 	$(top_srcdir)/ac-macros/ax_cflags_gcc_option.m4 \
+	$(top_srcdir)/ac-macros/revision_utils.m4 \
 	$(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 	$(ACLOCAL_M4)
@@ -138,7 +139,7 @@ am__recursive_targets = \
   $(RECURSIVE_CLEAN_TARGETS) \
   $(am__extra_recursive_targets)
 AM_RECURSIVE_TARGETS = $(am__recursive_targets:-recursive=) TAGS CTAGS \
-	cscope distdir distdir-am dist dist-all distcheck
+	cscope distdir dist dist-all distcheck
 am__tagged_files = $(HEADERS) $(SOURCES) $(TAGS_FILES) $(LISP)
 # Read a list of newline-separated strings from the standard input,
 # and print each of them once, without duplicates.  Input order is
@@ -237,6 +238,8 @@ INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
 INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+LAST_CONFIG_DATE = @LAST_CONFIG_DATE@
+LAST_CONFIG_YEAR = @LAST_CONFIG_YEAR@
 LDFLAGS = @LDFLAGS@
 LIBOBJS = @LIBOBJS@
 LIBS = @LIBS@
@@ -253,6 +256,7 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@
 PACKAGE_URL = @PACKAGE_URL@
 PACKAGE_VERSION = @PACKAGE_VERSION@
 PATH_SEPARATOR = @PATH_SEPARATOR@
+SCM_REVISION = @SCM_REVISION@
 SDL_CFLAGS = @SDL_CFLAGS@
 SDL_CONFIG = @SDL_CONFIG@
 SDL_LIBS = @SDL_LIBS@
@@ -302,6 +306,7 @@ pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
 psdir = @psdir@
+runstatedir = @runstatedir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 srcdir = @srcdir@
@@ -341,8 +346,8 @@ Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
 	    echo ' $(SHELL) ./config.status'; \
 	    $(SHELL) ./config.status;; \
 	  *) \
-	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles)'; \
-	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__maybe_remake_depfiles);; \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $@ $(am__depfiles_maybe);; \
 	esac;
 
 $(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
@@ -460,10 +465,7 @@ distclean-tags:
 	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
 	-rm -f cscope.out cscope.in.out cscope.po.out cscope.files
 
-distdir: $(BUILT_SOURCES)
-	$(MAKE) $(AM_MAKEFLAGS) distdir-am
-
-distdir-am: $(DISTFILES)
+distdir: $(DISTFILES)
 	$(am__remove_distdir)
 	test -d "$(distdir)" || mkdir "$(distdir)"
 	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
@@ -528,7 +530,7 @@ distdir-am: $(DISTFILES)
 	  ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
 	|| chmod -R a+r "$(distdir)"
 dist-gzip: distdir
-	tardir=$(distdir) && $(am__tar) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).tar.gz
+	tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
 	$(am__post_remove_distdir)
 
 dist-bzip2: distdir
@@ -543,10 +545,6 @@ dist-xz: distdir
 	tardir=$(distdir) && $(am__tar) | XZ_OPT=$${XZ_OPT--e} xz -c >$(distdir).tar.xz
 	$(am__post_remove_distdir)
 
-dist-zstd: distdir
-	tardir=$(distdir) && $(am__tar) | zstd -c $${ZSTD_CLEVEL-$${ZSTD_OPT--19}} >$(distdir).tar.zst
-	$(am__post_remove_distdir)
-
 dist-tarZ: distdir
 	@echo WARNING: "Support for distribution archives compressed with" \
 		       "legacy program 'compress' is deprecated." >&2
@@ -558,7 +556,7 @@ dist-shar: distdir
 	@echo WARNING: "Support for shar distribution archives is" \
 	               "deprecated." >&2
 	@echo WARNING: "It will be removed altogether in Automake 2.0" >&2
-	shar $(distdir) | eval GZIP= gzip $(GZIP_ENV) -c >$(distdir).shar.gz
+	shar $(distdir) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).shar.gz
 	$(am__post_remove_distdir)
 
 dist-zip: distdir
@@ -576,7 +574,7 @@ dist dist-all:
 distcheck: dist
 	case '$(DIST_ARCHIVES)' in \
 	*.tar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).tar.gz | $(am__untar) ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).tar.gz | $(am__untar) ;;\
 	*.tar.bz2*) \
 	  bzip2 -dc $(distdir).tar.bz2 | $(am__untar) ;;\
 	*.tar.lz*) \
@@ -586,11 +584,9 @@ distcheck: dist
 	*.tar.Z*) \
 	  uncompress -c $(distdir).tar.Z | $(am__untar) ;;\
 	*.shar.gz*) \
-	  eval GZIP= gzip $(GZIP_ENV) -dc $(distdir).shar.gz | unshar ;;\
+	  GZIP=$(GZIP_ENV) gzip -dc $(distdir).shar.gz | unshar ;;\
 	*.zip*) \
 	  unzip $(distdir).zip ;;\
-	*.tar.zst*) \
-	  zstd -dc $(distdir).tar.zst | $(am__untar) ;;\
 	esac
 	chmod -R a-w $(distdir)
 	chmod u+w $(distdir)
@@ -768,7 +764,7 @@ uninstall-am:
 	am--refresh check check-am clean clean-cscope clean-generic \
 	cscope cscopelist-am ctags ctags-am dist dist-all dist-bzip2 \
 	dist-gzip dist-lzip dist-shar dist-tarZ dist-xz dist-zip \
-	dist-zstd distcheck distclean distclean-generic distclean-tags \
+	distcheck distclean distclean-generic distclean-tags \
 	distcleancheck distdir distuninstallcheck dvi dvi-am html \
 	html-am info info-am install install-am install-data \
 	install-data-am install-dvi install-dvi-am install-exec \

README.md

@@ -9,7 +9,7 @@ COMPILE/INSTALL/RUN
 Windows
 -------
 Windows users can download and run a pre-compiled Windows binary
-[here](https://github.com/ttsiodras/MandelbrotSSE/releases/download/2.0/mandelSSE-win32-2.0.zip).
+[here](https://github.com/ttsiodras/MandelbrotSSE/releases/download/2.1/mandelSSE-win32-2.1.zip).
 
 After decompressing, you can simply execute either one of the two .bat
 files. The 'autopilot' one zooms in a specific location, while the other

ac-macros/revision_utils.m4

@@ -0,0 +1,59 @@
+# Automake macro to set the revision utils
+
+# Usage: AM_REVISION_UTILS([directory_name]).
+# Directory name must be a litteral string and not the result of a
+# command.
+
+AC_DEFUN([AM_REVISION_UTILS],
+[
+# Take the current SVN revision
+
+AC_MSG_CHECKING(whether this is a SCM working copy)
+
+temp_scm_output=`(cd $srcdir; git rev-parse --short HEAD)`
+
+if test x"${temp_scm_output}" = x""; then
+   # This means we are NOT working on a repository copy, the value of
+   # SCM_REVISION will not be taken into account.
+
+   SCM_REVISION=""
+   AC_MSG_RESULT(no.)
+else
+   SCM_REVISION="r${temp_scm_output}"
+   AC_MSG_RESULT(yes: ${SCM_REVISION}.)
+fi
+
+AC_SUBST(SCM_REVISION)
+
+# Take the configure full date
+
+AC_MSG_CHECKING(the configuration full date)
+
+temp_config_date=`LANG=C date +"%A %d %B %Y, %H:%M:%S"`
+
+if test x"${temp_config_date}" = x""; then
+   LAST_CONFIG_DATE=""
+   AC_MSG_RESULT(empty date.)
+else
+   LAST_CONFIG_DATE="${temp_config_date}"
+   AC_MSG_RESULT(${LAST_CONFIG_DATE}.)
+fi
+
+AC_SUBST(LAST_CONFIG_DATE)
+
+# Take the configure year
+
+AC_MSG_CHECKING(the configuration year)
+
+temp_config_year=`LANG=C date +"%Y"`
+
+if test x"${temp_config_year}" = x""; then
+   LAST_CONFIG_YEAR="2007"
+   AC_MSG_RESULT(no year found, fall into default: ${LAST_CONFIG_YEAR}.)
+else
+   LAST_CONFIG_YEAR="${temp_config_year}"
+   AC_MSG_RESULT(${LAST_CONFIG_YEAR})
+fi
+
+AC_SUBST(LAST_CONFIG_YEAR)
+])

acinclude.m4

@@ -1,2 +1,3 @@
 m4_include([ac-macros/ax_openmp.m4])
 m4_include([ac-macros/ax_cflags_gcc_option.m4])
+m4_include([ac-macros/revision_utils.m4])