diff options
Diffstat (limited to 'scripts/build/cc/gcc.sh')
| -rw-r--r-- | scripts/build/cc/gcc.sh | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh index c505314..8aa7eeb 100644 --- a/scripts/build/cc/gcc.sh +++ b/scripts/build/cc/gcc.sh @@ -295,7 +295,8 @@ do_gcc_core_backend() { local enable_optspace local complibs local lang_list - local cflags cflags_for_build cflags_for_target + local cflags cflags_for_build cflags_for_target cxxflags_for_target + local extra_cxxflags_for_target local ldflags local build_step local log_txt @@ -614,6 +615,19 @@ do_gcc_core_backend() { cflags_for_target="${cflags_for_target} -idirafter ${CT_HEADERS_DIR}" fi + # Assume '-O2' by default for building target libraries. + cflags_for_target="-g -O2 ${cflags_for_target}" + + # Set target CXXFLAGS to CFLAGS if none is provided. + if [ -z "${cxxflags_for_target}" ]; then + cxxflags_for_target="${cflags_for_target}" + fi + + # Append extra CXXFLAGS if provided. + if [ -n "${extra_cxxflags_for_target}" ]; then + cxxflags_for_target="${cxxflags_for_target} ${extra_cxxflags_for_target}" + fi + # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532). # Pass only user-specified CFLAGS/LDFLAGS in CFLAGS_FOR_TARGET/LDFLAGS_FOR_TARGET: during # the build of, for example, libatomic, GCC tried to compile multiple variants for runtime @@ -627,7 +641,7 @@ do_gcc_core_backend() { CXXFLAGS_FOR_BUILD="${cflags_for_build}" \ LDFLAGS="${core_LDFLAGS[*]}" \ CFLAGS_FOR_TARGET="${cflags_for_target}" \ - CXXFLAGS_FOR_TARGET="${cflags_for_target}" \ + CXXFLAGS_FOR_TARGET="${cxxflags_for_target}" \ LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \ ${CONFIG_SHELL} \ "${CT_SRC_DIR}/gcc/configure" \ @@ -942,6 +956,9 @@ do_gcc_backend() { local lang_list local cflags local cflags_for_build + local cflags_for_target + local cxxflags_for_target + local extra_cxxflags_for_target local ldflags local build_manuals local exec_prefix @@ -1212,8 +1229,9 @@ do_gcc_backend() { CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'" - # We may need to modify host/build CFLAGS separately below + # We may need to modify host/build/target CFLAGS separately below cflags_for_build="${cflags}" + cflags_for_target="${CT_TARGET_CFLAGS}" # Clang's default bracket-depth is 256, and building GCC # requires somewhere between 257 and 512. @@ -1229,6 +1247,19 @@ do_gcc_backend() { fi fi + # Assume '-O2' by default for building target libraries. + cflags_for_target="-g -O2 ${cflags_for_target}" + + # Set target CXXFLAGS to CFLAGS if none is provided. + if [ -z "${cxxflags_for_target}" ]; then + cxxflags_for_target="${cflags_for_target}" + fi + + # Append extra CXXFLAGS if provided. + if [ -n "${extra_cxxflags_for_target}" ]; then + cxxflags_for_target="${cxxflags_for_target} ${extra_cxxflags_for_target}" + fi + # NB: not using CT_ALL_TARGET_CFLAGS/CT_ALL_TARGET_LDFLAGS here! # See do_gcc_core_backend for explanation. CT_DoExecLog CFG \ @@ -1238,8 +1269,8 @@ do_gcc_backend() { CXXFLAGS="${cflags}" \ CXXFLAGS_FOR_BUILD="${cflags_for_build}" \ LDFLAGS="${final_LDFLAGS[*]}" \ - CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \ - CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \ + CFLAGS_FOR_TARGET="${cflags_for_target}" \ + CXXFLAGS_FOR_TARGET="${cxxflags_for_target}" \ LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \ ${CONFIG_SHELL} \ "${CT_SRC_DIR}/gcc/configure" \ |