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|
LDFLAGS+=$USER_LDFLAGS $_LD_FLAGS
LDFLAGS_GLOBAL+=
_START_GROUP=
_END_GROUP=
BEFORE_PEERS=
AFTER_PEERS=
START_WHOLE_ARCHIVE_VALUE=
END_WHOLE_ARCHIVE_VALUE=
LD_STRIP_FLAG=
_SONAME_OPTION=
_LD_SRCS_GLOBALS=--start-wa ${rootrel;ext=.a:SRCS_GLOBAL} --end-wa ${rootrel;ext=.o:SRCS_GLOBAL} ${rootrel;ext=.supp:SRCS_GLOBAL}
when ($OS_LINUX == "yes" || $OS_ANDROID == "yes" || $OS_CYGWIN == "yes" || $OS_NONE == "yes") {
_START_GROUP=-Wl,--start-group
_END_GROUP=-Wl,--end-group
START_WHOLE_ARCHIVE_VALUE=-Wl,--whole-archive
END_WHOLE_ARCHIVE_VALUE=-Wl,--no-whole-archive
LD_STRIP_FLAG=-s
_SONAME_OPTION=-soname
_LD_SRCS_GLOBALS=-Wl,--whole-archive --ya-start-command-file ${rootrel;ext=.a:SRCS_GLOBAL} --ya-end-command-file -Wl,--no-whole-archive ${rootrel;ext=.o:SRCS_GLOBAL} ${rootrel;ext=.supp:SRCS_GLOBAL}
}
when ($_LD_WHOLE_ARCHIVE == "yes") {
}
when ($OS_DARWIN == "yes" || $OS_IOS == "yes") {
_SONAME_OPTION=-install_name
}
_LD_LINKER_OUTPUT=
_LD_LINKER_OUTPUT_FLAG=--linker-output ${output;pre=$MODULE_PREFIX;suf=$MODULE_SUFFIX$MODULE_VERSION.linker.txt:REALPRJNAME}
# Enable section-level DCE (dead code elimination):
# remove whole unused code and data sections
# (needs `-ffunction-sections` and `-fdata-sections` to be useful)
#
# NOTE: CGO linker doesn't seem to support DCE, but shares common LDFLAGS
_LD_DCE_FLAG_GC_SECTIONS=
_LD_DCE_FLAG_PRINT_SECTIONS=
when ($OS_DARWIN == "yes" || $OS_IOS == "yes" || $OS_IOSSIM == "yes") {
_LD_DCE_FLAG_GC_SECTIONS=-Wl,-dead_strip
}
elsewhen ($OS_LINUX == "yes" || $OS_ANDROID == "yes" || $OS_NONE == "yes") {
_LD_DCE_FLAG_GC_SECTIONS=-Wl,--gc-sections
when ($LINKER_DCE_PRINT_SECTIONS == "yes") {
_LD_DCE_FLAG_PRINT_SECTIONS=-Wl,--print-gc-sections
_LD_LINKER_OUTPUT=$_LD_LINKER_OUTPUT_FLAG
}
}
LD_DCE_FLAG =
LD_DCE_FLAG+=$_LD_DCE_FLAG_GC_SECTIONS
LD_DCE_FLAG+=$_LD_DCE_FLAG_PRINT_SECTIONS
DCE_FLAG=
_LD_ICF_FLAG=
_LD_ICF_FLAG_PRINT_SECTIONS=
when ($_DEFAULT_LINKER_ID == "lld") {
# Enable ICF (identical code folding pass) in safe mode
# https://research.google/pubs/pub36912/
_LD_ICF_FLAG=-Wl,--icf=safe
when ($LINKER_ICF_PRINT_SECTIONS == "yes") {
_LD_ICF_FLAG_PRINT_SECTIONS=-Wl,--print-icf-sections
_LD_LINKER_OUTPUT=$_LD_LINKER_OUTPUT_FLAG
}
}
LD_ICF_FLAG =
LD_ICF_FLAG+=$_LD_ICF_FLAG
LD_ICF_FLAG+=$_LD_ICF_FLAG_PRINT_SECTIONS
ICF_FLAG=
STRIP_FLAG=
C_LIBRARY_PATH=
C_SYSTEM_LIBRARIES_INTERCEPT=
when ($USEMPROF == "yes" || $USE_MPROF == "yes") {
C_SYSTEM_LIBRARIES_INTERCEPT+=-ldmalloc
}
_LD_THREAD_LIBRARY=
when ($OS_LINUX == "yes" || $OS_DARWIN == "yes") {
_LD_THREAD_LIBRARY=-lpthread
}
_LD_USE_STDLIB=
when ($_BUILD_COVERAGE == "yes" || $GCOV_COVERAGE == "yes" || $CLANG_COVERAGE == "yes" || $_BUILD_SANITIZED == "yes") {
_LD_USE_STDLIB=
}
elsewhen ($OS_ANDROID == "yes") {
when ($_ANDROID_NDK_VERSION_LESS_THEN_23 == "yes") {
# Preserve old behaviour: specify runtime libs manually
_LD_USE_STDLIB=-nodefaultlibs
}
otherwise {
# Use toolchain defaults to link with libunwind/clang_rt.builtins
_LD_USE_STDLIB=-nostdlib++
}
}
elsewhen ($OS_LINUX == "yes" || $OS_DARWIN == "yes" || $OS_IOS == "yes") {
_LD_USE_STDLIB=-nodefaultlibs
}
_C_SYSTEM_LIBRARIES=$_LD_USE_STDLIB $_LD_THREAD_LIBRARY $_LD_SYS_LIB -lc
when ($MUSL == "yes") {
_C_SYSTEM_LIBRARIES=-nostdlib
}
when ($OS_EMSCRIPTEN == "yes") {
_C_SYSTEM_LIBRARIES=-nostdlib
}
C_SYSTEM_LIBRARIES=$_C_SYSTEM_LIBRARIES
OBJADDE=
LD_EXPORT_ALL_DYNAMIC_SYMBOLS_FLAG=
when ($OS_LINUX == "yes" || $OS_ANDROID == "yes") {
LD_EXPORT_ALL_DYNAMIC_SYMBOLS_FLAG=-rdynamic
}
NO_EXPORT_DYNAMIC_SYMBOLS=
EXPORTS_VALUE=$LD_EXPORT_ALL_DYNAMIC_SYMBOLS_FLAG
when ($EXPORTS_FILE) {
EXPORTS_VALUE=$LD_EXPORT_ALL_DYNAMIC_SYMBOLS_FLAG -Wl,--version-script=${input:EXPORTS_FILE}
}
when ($NO_EXPORT_DYNAMIC_SYMBOLS == "yes") {
EXPORTS_VALUE=
}
LINKER_SCRIPT_VALUE=${ext=.ld;pre=-T:SRCS_GLOBAL}
_LINKER_TIME_TRACE_GRANULARITY=500
when ($TIME_TRACE_GRANULARITY && $TIME_TRACE_GRANULARITY != "") {
_LINKER_TIME_TRACE_GRANULARITY=$TIME_TRACE_GRANULARITY
}
_LINKER_TIME_TRACE_FLAG=
when (($TIME_TRACE == "yes" || $LINKER_TIME_TRACE == "yes") && $_DEFAULT_LINKER_ID == "lld") {
_LINKER_TIME_TRACE_FLAG=\
-Wl,--time-trace \
-Wl,--time-trace-granularity=$_LINKER_TIME_TRACE_GRANULARITY \
-Wl,--time-trace-file=${output;rootrel;pre=$MODULE_PREFIX;suf=$MODULE_SUFFIX.time_trace.json:REALPRJNAME}
}
_EXE_FLAGS=\
$C_FLAGS_PLATFORM \
$BEFORE_PEERS \
$_START_GROUP \
${rootrel:PEERS} \
$_END_GROUP \
$AFTER_PEERS \
$EXPORTS_VALUE \
$LINKER_SCRIPT_VALUE \
$LDFLAGS \
$LDFLAGS_GLOBAL \
$OBJADDE \
$OBJADDE_LIB \
$OBJADDE_LIB_GLOBAL \
$C_LIBRARY_PATH \
$C_SYSTEM_LIBRARIES_INTERCEPT \
$C_SYSTEM_LIBRARIES \
$STRIP_FLAG \
$DCE_FLAG \
$ICF_FLAG \
$_LINKER_TIME_TRACE_FLAG
_SONAME_FLAG=-Wl,$_SONAME_OPTION,$_SONAME
when ($OS_EMSCRIPTEN == "yes") {
_SONAME_FLAG=
}
_SHARED_FLAG=-shared
when ($OS_EMSCRIPTEN == "yes") {
_SHARED_FLAG=-Wl,-shared -Wl,--no-entry -Wl,--export-all -Wl,--import-memory -Wl,--import-undefined
}
_EXEC_SHARED_FLAG=
when ($OS_LINUX == "yes") {
_EXEC_SHARED_FLAG=-pie -fPIE -Wl,--unresolved-symbols=ignore-all -rdynamic
}
_LD_ENV_STYLE=${cwd:ARCADIA_BUILD_ROOT} $TOOLCHAIN_ENV ${hide;kv:"p LD"} ${hide;kv:"pc light-blue"} ${hide;kv:"show_out"}
# Program
GENERATE_MF_CMD=\
$YMAKE_PYTHON ${input:"build/scripts/generate_mf.py"} ${input;hide:"build/scripts/process_command_files.py"} \
--build-root $ARCADIA_BUILD_ROOT \
--module-name $REALPRJNAME \
-o ${output;rootrel;pre=$MODULE_PREFIX;suf=$MODULE_SUFFIX.mf:REALPRJNAME} \
-t $MODULE_TYPE \
--ya-start-command-file \
-Ya,lics $LICENSE_NAMES \
-Ya,peers ${rootrel:PEERS} \
-Ya,credits ${input:CREDITS_TEXTS_FILE} $CREDITS_FLAGS \
--ya-end-command-file
LINK_SCRIPT_EXE_FLAGS=
REAL_LINK_EXE_CMDLINE =\
$YMAKE_PYTHON ${input:"build/scripts/link_exe.py"} ${hide;input:"build/scripts/fix_py2_protobuf.py"} \
--source-root $ARCADIA_ROOT
REAL_LINK_EXE_CMDLINE+=--clang-ver $CLANG_VER
REAL_LINK_EXE_CMDLINE+=$_LD_LINKER_OUTPUT
REAL_LINK_EXE_CMDLINE+=\
${pre=--whole-archive-peers :WHOLE_ARCHIVE_PEERS} \
${pre=--whole-archive-libs :_WHOLE_ARCHIVE_LIBS_VALUE_GLOBAL} \
$_LD_ARCH_FLAG \
$LINK_SCRIPT_EXE_FLAGS \
$CXX_COMPILER_OLD \
$_LD_SRCS_GLOBALS \
$VCS_C_OBJ $_EXTRA_OBJS $AUTO_INPUT -o $TARGET \
$_EXE_FLAGS \
$_PROCESS_WHOLE_ARCHIVE_SCRIPT \
$_LD_ENV_STYLE
REAL_LINK_EXE_TIDY=\
$YMAKE_PYTHON ${input:"build/scripts/clang_tidy_arch.py"} \
--build-root $ARCADIA_BUILD_ROOT \
--source-root $ARCADIA_ROOT \
--output-file $TARGET \
$AUTO_INPUT \
$SRCS_GLOBAL \
$_LD_ENV_STYLE
# Executable Shared Library
REAL_LINK_EXEC_DYN_LIB_CMDLINE =\
$YMAKE_PYTHON ${input:"build/scripts/link_dyn_lib.py"} ${hide;input:"build/scripts/fix_py2_protobuf.py"}\
--target $TARGET
REAL_LINK_EXEC_DYN_LIB_CMDLINE+=$_LD_LINKER_OUTPUT
REAL_LINK_EXEC_DYN_LIB_CMDLINE+=\
${pre=--whole-archive-peers :WHOLE_ARCHIVE_PEERS} \
${pre=--whole-archive-libs :_WHOLE_ARCHIVE_LIBS_VALUE_GLOBAL} \
$_LD_ARCH_FLAG \
$LINK_DYN_LIB_FLAGS \
$CXX_COMPILER_OLD \
$_LD_SRCS_GLOBALS \
$VCS_C_OBJ $_EXTRA_OBJS $AUTO_INPUT -o $TARGET \
$_EXEC_SHARED_FLAG \
$_SONAME_FLAG \
$_EXE_FLAGS \
$_PROCESS_WHOLE_ARCHIVE_SCRIPT \
$_LD_ENV_STYLE
REAL_LINK_EXEC_DYN_LIB=$REAL_LINK_EXEC_DYN_LIB_IMPL($_WHOLE_ARCHIVE_PEERS_VALUE)
# Shared Library
LINK_DYN_LIB_FLAGS=
REAL_LINK_DYN_LIB_CMDLINE =\
$YMAKE_PYTHON ${input:"build/scripts/link_dyn_lib.py"} ${hide;input:"build/scripts/fix_py2_protobuf.py"} \
--target $TARGET
REAL_LINK_DYN_LIB_CMDLINE+=$_LD_LINKER_OUTPUT
REAL_LINK_DYN_LIB_CMDLINE+=\
${pre=--whole-archive-peers :WHOLE_ARCHIVE_PEERS} \
${pre=--whole-archive-libs :_WHOLE_ARCHIVE_LIBS_VALUE_GLOBAL} \
$_LD_ARCH_FLAG \
$LINK_DYN_LIB_FLAGS \
$CXX_COMPILER_OLD \
$_LD_SRCS_GLOBALS \
$VCS_C_OBJ $_EXTRA_OBJS $AUTO_INPUT -o $TARGET \
$_SHARED_FLAG \
$_SONAME_FLAG \
$_EXE_FLAGS \
$_PROCESS_WHOLE_ARCHIVE_SCRIPT \
$_LD_ENV_STYLE
REAL_LINK_DYN_LIB=$REAL_LINK_DYN_LIB_IMPL($_WHOLE_ARCHIVE_PEERS_VALUE)
_DWARF_COMMAND=
when (($OS_DARWIN == "yes" || $OS_IOS || $OS_IOSSIM) && $NO_DEBUGINFO != "yes" && $SPLIT_DWARF_VALUE != "no" && $NO_SPLIT_DWARF != "yes") {
_DWARF_COMMAND=$DWARF_TOOL $TARGET -o ${output;pre=$MODULE_PREFIX$REALPRJNAME.dSYM/Contents/Resources/DWARF/$MODULE_PREFIX:REALPRJNAME} $_LD_ENV_STYLE
}
elsewhen ($OS_DARWIN == "yes" && $NO_DEBUGINFO != "yes") {
_EXE_FLAGS+=$DEBUG_INFO_FLAGS
}
otherwise {
_DWARF_COMMAND=
}
DWARF_COMMAND=$_DWARF_COMMAND
_REAL_LINK_EXE=$REAL_LINK_EXE_IMPL($_WHOLE_ARCHIVE_PEERS_VALUE)
_EXTRA_OBJS=
_GENERATE_EXTRA_OBJS=
_LINK_EXE=
_LINK_EXE+=$GENERATE_MF
_LINK_EXE+=&& $GENERATE_VCS_C_INFO_NODEP
_LINK_EXE+=&& $_GENERATE_EXTRA_OBJS
_LINK_EXE+=&& $COPY_PROFILE_RUNTIME
_LINK_EXE+=&& $REAL_LINK_EXE
_LINK_EXE+=&& $DWARF_COMMAND
_LINK_EXE+=&& $LINK_ADDITIONAL_SECTIONS_COMMAND
_LINK_EXE+=&& $PACK_IOS_CMD
_LINK_DYN_LIB=
_LINK_DYN_LIB+=$GENERATE_MF
_LINK_DYN_LIB+=&& $GENERATE_VCS_C_INFO_NODEP
_LINK_DYN_LIB+=&& $_GENERATE_EXTRA_OBJS
_LINK_DYN_LIB+=&& $COPY_PROFILE_RUNTIME
_LINK_DYN_LIB+=&& $REAL_LINK_DYN_LIB
_LINK_DYN_LIB+=&& $DWARF_COMMAND
_LINK_DYN_LIB+=&& $LINK_ADDITIONAL_SECTIONS_COMMAND
when ($TIDY == "yes") {
_REAL_LINK_EXE=$REAL_LINK_EXE_TIDY
_LINK_EXE=$REAL_LINK_EXE
_LINK_DYN_LIB=$REAL_LINK_EXE
}
REAL_LINK_EXE=$_REAL_LINK_EXE
LINK_EXE=$_LINK_EXE
LINK_DYN_LIB=$_LINK_DYN_LIB
LINK_EXEC_DYN_LIB=\
$GENERATE_MF && \
$GENERATE_VCS_C_INFO_NODEP && \
$_GENERATE_EXTRA_OBJS && \
$REAL_LINK_EXEC_DYN_LIB && \
$DWARF_COMMAND && \
$LINK_ADDITIONAL_SECTIONS_COMMAND
SWIG_DLL_JAR_CMD=\
$GENERATE_MF && \
$GENERATE_VCS_C_INFO_NODEP && \
$REAL_SWIG_DLL_JAR_CMD && \
$DWARF_COMMAND
_LD_TAIL_LINK_LIB=$AUTO_INPUT ${hide;kv:"p AR"} $TOOLCHAIN_ENV ${hide;kv:"pc light-red"} ${hide;kv:"show_out"}
_LD_ARCHIVER=$YMAKE_PYTHON ${input:"build/scripts/link_lib.py"} ${quo:AR_TOOL} $AR_TYPE $_LD_LLVM_AR_FORMAT $ARCADIA_BUILD_ROOT $_LD_AR_PLUGIN
_LD_LIB_GENERATE_MF=$GENERATE_MF &&
when ($TIDY == "yes") {
_LD_ARCHIVER=$YMAKE_PYTHON ${input:"build/scripts/clang_tidy_arch.py"} --source-root $ARCADIA_ROOT --build-root $ARCADIA_BUILD_ROOT --output-file
_LD_LIB_GENERATE_MF=
}
LINK_LIB=$_LD_LIB_GENERATE_MF $_LD_ARCHIVER $TARGET $_LD_TAIL_LINK_LIB
GLOBAL_LINK_LIB=$_LD_ARCHIVER $GLOBAL_TARGET $_LD_TAIL_LINK_LIB
# "Fat Object" : pre-linked global objects and static library with all dependencies
_LD_LINK_FAT_PREFIX=$GENERATE_MF && $GENERATE_VCS_C_INFO_NODEP && $YMAKE_PYTHON ${input:"build/scripts/link_fat_obj.py"} --build-root $ARCADIA_BUILD_ROOT $_PROCESS_WHOLE_ARCHIVE_SCRIPT
_LD_LINK_FAT_SRCS_GLOBALS_WA=$_LD_SRCS_GLOBALS
_LD_LINK_FAT_SRCS_GLOBALS_NO_WA=${rootrel;ext=.a:SRCS_GLOBAL} ${rootrel;ext=.o:SRCS_GLOBAL}
macro _FAT_OBJECT_ARGS_BASE(Flag, Lib) {
.CMD=$Flag=$Lib
}
# FIXME: pre=lib here is weird legacy
_FAT_OBJECT_ARGS=--obj=${pre=lib;output:REALPRJNAME.o}
_LD_LINK_FAT_SRCS_GLOBALS=$_LD_LINK_FAT_SRCS_GLOBALS_WA
macro PACK_GLOBALS_IN_LIBRARY() {
SET(_FAT_OBJECT_ARGS $_FAT_OBJECT_ARGS_BASE(--globals-lib, \${output;pre=$MODULE_PREFIX:REALPRJNAME.globals.a}))
}
when ($OS_ANDROID == "yes") {
_FAT_OBJECT_ARGS=
_LD_LINK_FAT_SRCS_GLOBALS=$_LD_LINK_FAT_SRCS_GLOBALS_NO_WA
}
_LD_LINK_FAT_SUFFIX1=$_LD_ARCH_FLAG \
-Ya,input $AUTO_INPUT $VCS_C_OBJ \
-Ya,global_srcs
_LD_LINK_FAT_SUFFIX2=-Ya,peers $PEERS \
-Ya,linker $CXX_COMPILER_OLD \
$LDFLAGS_GLOBAL $C_FLAGS_PLATFORM $LD_SDK_VERSION \
-Ya,archiver $_LD_ARCHIVER \
$TOOLCHAIN_ENV ${hide;kv:"p LD"} ${hide;kv:"pc light-blue"} ${hide;kv:"show_out"}
LINK_FAT_OBJECT=\
$_LD_LINK_FAT_PREFIX \
--lib=$TARGET $_FAT_OBJECT_ARGS \
$_LD_LINK_FAT_SUFFIX1 \
$_LD_LINK_FAT_SRCS_GLOBALS \
$_LD_LINK_FAT_SUFFIX2
LINK_RECURSIVE_LIBRARY=\
$_LD_LINK_FAT_PREFIX \
--lib=$TARGET --with-own-obj --with-global-srcs \
$_LD_LINK_FAT_SUFFIX1 \
$_LD_LINK_FAT_SRCS_GLOBALS_NO_WA \
$_LD_LINK_FAT_SUFFIX2
LIBRT=-lrt
MD5LIB=-lcrypt
LIBRESOLV=
when ($OS_LINUX || $OS_DARWIN || $OS_ANDROID) {
LIBRESOLV=-lresolv
}
PROFFLAG=-pg
|
