CMake: Add LDC_FULLY_STATIC option

.github/workflows/main.yml

@@ -69,7 +69,7 @@ jobs:
               -DLDC_INSTALL_LLVM_RUNTIME_LIBS_ARCH=x86_64
               -DTEST_COMPILER_RT_LIBRARIES="profile;lsan;asan;msan;fuzzer"
               -DCMAKE_EXE_LINKER_FLAGS=-static-libstdc++
-              -DD_LINKER_ARGS=-static
+              -DLDC_FULLY_STATIC=ON
               -DD_COMPILER_FLAGS="-O -flto=full"
             # FIXME: -defaultlib=phobos2-ldc-lto,druntime-ldc-lto
             with_pgo: false

CMakeLists.txt

@@ -315,6 +315,12 @@ else()
     separate_arguments(LLVM_LDFLAGS UNIX_COMMAND "${LLVM_LDFLAGS}")
 endif()
 
+option(LDC_FULLY_STATIC "Posix: Link most executables (compiler and tools) as fully-static binaries" OFF)
+set(FULLY_STATIC_LDFLAG)
+if(UNIX AND LDC_FULLY_STATIC)
+    set(FULLY_STATIC_LDFLAG "-static")
+endif()
+
 # Suppress superfluous randlib warnings about "*.a" having no symbols on MacOSX.
 if (APPLE)
     set(CMAKE_C_ARCHIVE_CREATE   "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
@@ -708,7 +714,7 @@ build_d_executable(
     "${LDC_EXE_FULL}"
     "${LDC_D_SOURCE_FILES}"
     "${DFLAGS_BUILD_TYPE} ${DFLAGS_LDC}"
-    "${ALTERNATIVE_MALLOC_O};${LDC_LINKERFLAG_LIST}"
+    "${ALTERNATIVE_MALLOC_O};${LDC_LINKERFLAG_LIST};${FULLY_STATIC_LDFLAG}"
     "${FE_RES}"
     "${LDC_LIB}"
     ${COMPILE_D_MODULES_SEPARATELY}
@@ -743,7 +749,7 @@ build_d_executable(
     "${LDMD_EXE_FULL}"
     "${LDMD_D_SOURCE_FILES}"
     "${DFLAGS_BUILD_TYPE}"
-    "${LDC_LINKERFLAG_LIST}"
+    "${LDC_LINKERFLAG_LIST};${FULLY_STATIC_LDFLAG}"
     ""
     "LDMD_CXX_LIB"
     ${COMPILE_D_MODULES_SEPARATELY}
@@ -927,7 +933,7 @@ build_d_executable(
     "${LDC_UNITTEST_EXE_FULL}"
     "${LDC_D_SOURCE_FILES}"
     "-g -unittest ${DFLAGS_LDC}"
-    "${LDC_LINKERFLAG_LIST}"
+    "${LDC_LINKERFLAG_LIST};${FULLY_STATIC_LDFLAG}"
     ""
     "${LDC_LIB}"
     ${COMPILE_D_MODULES_SEPARATELY}
@@ -957,7 +963,7 @@ build_d_executable(
     "${LDC_BUILD_RUNTIME_EXE_FULL}"
     "${PROJECT_BINARY_DIR}/ldc-build-runtime.d"
     "${DFLAGS_BUILD_TYPE}"
-    ""
+    "" # must not be fully static for std.net.curl support (loading libcurl dynamically)
     "${PROJECT_SOURCE_DIR}/runtime/ldc-build-runtime.d.in"
     ""
     ${COMPILE_D_MODULES_SEPARATELY}

tools/CMakeLists.txt

@@ -18,7 +18,7 @@ build_d_executable(
     "${LDCPRUNECACHE_EXE_FULL}"
     "${LDCPRUNECACHE_D_SRC}"
     "${DFLAGS_BUILD_TYPE}"
-    ""
+    "${FULLY_STATIC_LDFLAG}"
     ""
     ""
     ${COMPILE_D_MODULES_SEPARATELY}
@@ -35,7 +35,7 @@ if(LDC_BUNDLE_LLVM_TOOLS)
         ldc-profdata PROPERTIES
         RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin
         COMPILE_FLAGS "${LLVM_CXXFLAGS} ${LDC_CXXFLAGS}"
-        LINK_FLAGS "${SANITIZE_LDFLAGS}"
+        LINK_FLAGS "${SANITIZE_LDFLAGS} ${FULLY_STATIC_LDFLAG}"
       )
       target_link_libraries(ldc-profdata ${LLVM_LIBRARIES} ${CMAKE_DL_LIBS} ${LLVM_LDFLAGS})
       install(TARGETS ldc-profdata DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
@@ -59,7 +59,7 @@ if(LDC_BUNDLE_LLVM_TOOLS)
       ${ldc_name} PROPERTIES
       RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin
       COMPILE_FLAGS "${LLVM_CXXFLAGS} ${LDC_CXXFLAGS}"
-      LINK_FLAGS "${SANITIZE_LDFLAGS}"
+      LINK_FLAGS "${SANITIZE_LDFLAGS} ${FULLY_STATIC_LDFLAG}"
     )
     target_link_libraries(${ldc_name} ${LLVM_LIBRARIES} ${CMAKE_DL_LIBS} ${LLVM_LDFLAGS})
     install(TARGETS ${ldc_name} DESTINATION ${CMAKE_INSTALL_PREFIX}/bin)
@@ -91,7 +91,7 @@ build_d_executable(
     "${TIMETRACE2TXT_EXE_FULL}"
     "${TIMETRACE2TXT_D_SRC}"
     "${DFLAGS_BUILD_TYPE}"
-    ""
+    "${FULLY_STATIC_LDFLAG}"
     ""
     ""
     ${COMPILE_D_MODULES_SEPARATELY}
@@ -111,7 +111,7 @@ if(LDC_ENABLE_PLUGINS)
         "${LDC_BUILD_PLUGIN_EXE_FULL}"
         "${PROJECT_BINARY_DIR}/ldc-build-plugin.d"
         "${DFLAGS_BUILD_TYPE}"
-        ""
+        "" # must not be fully static for std.net.curl support (loading libcurl dynamically)
         "${PROJECT_SOURCE_DIR}/tools/ldc-build-plugin.d.in"
         ""
         ${COMPILE_D_MODULES_SEPARATELY}