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-rw-r--r--scripts/build/cc/gcc.sh84
1 files changed, 77 insertions, 7 deletions
diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh
index a3f3af1f..b96bb89b 100644
--- a/scripts/build/cc/gcc.sh
+++ b/scripts/build/cc/gcc.sh
@@ -279,7 +279,8 @@ do_cc_core_pass_2() {
# build_manuals : whether to build manuals or not : bool : no
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
-# build_step : build step 'core1', 'core2', 'gcc_build'
+# build_step : build step 'core1', 'core2', 'gcc_build',
+# 'libstdcxx'
# or 'gcc_host' : string : (none)
# Usage: do_gcc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
do_gcc_core_backend() {
@@ -291,6 +292,7 @@ do_gcc_core_backend() {
local build_manuals=no
local host
local prefix
+ local enable_optspace
local complibs
local lang_list
local cflags cflags_for_build cflags_for_target
@@ -298,6 +300,9 @@ do_gcc_core_backend() {
local build_step
local log_txt
local tmp
+ local exec_prefix
+ local header_dir
+ local libstdcxx_name
local -a host_libstdcxx_flags
local -a extra_config
local -a core_LDFLAGS
@@ -327,11 +332,30 @@ do_gcc_core_backend() {
# to inhibit the libiberty and libgcc tricks later on
build_libgcc=no
;;
+ libstdcxx)
+ CT_DoLog EXTRA "Configuring libstdc++ for ${libstdcxx_name}"
+ if [ "${header_dir}" = "" ]; then
+ header_dir="${CT_PREFIX_DIR}/${libstdcxx_name}/include"
+ fi
+ if [ "${exec_prefix}" = "" ]; then
+ exec_prefix="${CT_PREFIX_DIR}/${libstdcxx_name}"
+ fi
+ extra_config+=( "${CT_CC_SYSROOT_ARG[@]}" )
+ extra_config+=( "--with-headers=${header_dir}" )
+ extra_user_config=( "${CT_CC_GCC_EXTRA_CONFIG_ARRAY[@]}" )
+ log_txt="libstdc++ ${libstdcxx_name} library"
+ # to inhibit the libiberty and libgcc tricks later on
+ build_libgcc=no
+ ;;
*)
- CT_Abort "Internal Error: 'build_step' must be one of: 'core1', 'core2', 'gcc_build' or 'gcc_host', not '${build_step:-(empty)}'"
+ CT_Abort "Internal Error: 'build_step' must be one of: 'core1', 'core2', 'gcc_build', 'gcc_host' or 'libstdcxx', not '${build_step:-(empty)}'"
;;
esac
+ if [ "${exec_prefix}" = "" ]; then
+ exec_prefix="${prefix}"
+ fi
+
case "${mode}" in
static)
extra_config+=("--with-newlib")
@@ -394,6 +418,10 @@ do_gcc_core_backend() {
extra_config+=(--disable-libquadmath-support)
fi
+ if [ "${build_libstdcxx}" = "no" ]; then
+ extra_config+=(--disable-libstdcxx)
+ fi
+
core_LDFLAGS+=("${ldflags}")
# *** WARNING ! ***
@@ -452,7 +480,8 @@ do_gcc_core_backend() {
extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
fi
- if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
+ if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ] || \
+ [ "${enable_optspace}" = "yes" ]; then
extra_config+=("--enable-target-optspace")
fi
if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
@@ -600,6 +629,7 @@ do_gcc_core_backend() {
--host=${host} \
--target=${CT_TARGET} \
--prefix="${prefix}" \
+ --exec_prefix="${exec_prefix}" \
--with-local-prefix="${CT_SYSROOT_DIR}" \
"${extra_config[@]}" \
--enable-languages="${lang_list}" \
@@ -683,6 +713,11 @@ do_gcc_core_backend() {
core_targets_all=all
core_targets_install=install
;;
+ libstdcxx)
+ core_targets=( target-libstdc++-v3 )
+ core_targets_all="${core_targets[@]/#/all-}"
+ core_targets_install="${core_targets[@]/#/install-}"
+ ;;
esac
CT_DoLog EXTRA "Building ${log_txt}"
@@ -759,7 +794,9 @@ do_cc_for_build() {
# lack of such a compiler, but better safe than sorry...
build_final_opts+=( "mode=baremetal" )
build_final_opts+=( "build_libgcc=yes" )
- build_final_opts+=( "build_libstdcxx=yes" )
+ if [ "${CT_LIBC_NONE}" != "y" ]; then
+ build_final_opts+=( "build_libstdcxx=yes" )
+ fi
build_final_opts+=( "build_libgfortran=yes" )
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
build_final_opts+=( "build_staticlinked=yes" )
@@ -848,7 +885,9 @@ do_cc_for_host() {
if [ "${CT_BARE_METAL}" = "y" ]; then
final_opts+=( "mode=baremetal" )
final_opts+=( "build_libgcc=yes" )
- final_opts+=( "build_libstdcxx=yes" )
+ if [ "${CT_LIBC_NONE}" != "y" ]; then
+ final_opts+=( "build_libstdcxx=yes" )
+ fi
final_opts+=( "build_libgfortran=yes" )
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
final_opts+=( "build_staticlinked=yes" )
@@ -881,20 +920,27 @@ do_cc_for_host() {
# Parameter : Definition : Type : Default
# host : the host we run onto : tuple : (none)
# prefix : the runtime prefix : dir : (none)
+# exec_prefix : prefix for executables : dir : (none)
# complibs : the companion libraries prefix : dir : (none)
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
# lang_list : the list of languages to build : string : (empty)
# build_manuals : whether to build manuals or not : bool : no
+# build_step : build step 'gcc_build', 'gcc_host'
+# or 'libstdcxx' : string : (none)
do_gcc_backend() {
local host
local prefix
+ local exec_prefix
local complibs
local lang_list
local cflags
local cflags_for_build
local ldflags
local build_manuals
+ local exec_prefix
+ local header_dir
+ local libstdcxx_name
local -a host_libstdcxx_flags
local -a extra_config
local -a final_LDFLAGS
@@ -905,7 +951,24 @@ do_gcc_backend() {
eval "${arg// /\\ }"
done
- CT_DoLog EXTRA "Configuring final gcc compiler"
+ if [ "${exec_prefix}" = "" ]; then
+ exec_prefix="${prefix}"
+ fi
+
+ # This function gets called for final gcc and libstdcxx.
+ case "${build_step}" in
+ gcc_build|gcc_host)
+ log_txt="final gcc compiler"
+ ;;
+ libstdcxx)
+ log_txt="libstdc++ library for ${libstdcxx_name}"
+ ;;
+ *)
+ CT_Abort "Internal Error: 'build_step' must be one of: 'gcc_build', 'gcc_host' or 'libstdcxx', not '${build_step:-(empty)}'"
+ ;;
+ esac
+
+ CT_DoLog EXTRA "Configuring ${log_txt}"
# Enable selected languages
extra_config+=("--enable-languages=${lang_list}")
@@ -979,6 +1042,10 @@ do_gcc_backend() {
fi
fi
+ if [ "${build_libstdcxx}" = "no" ]; then
+ extra_config+=(--disable-libstdcxx)
+ fi
+
final_LDFLAGS+=("${ldflags}")
# *** WARNING ! ***
@@ -1048,9 +1115,11 @@ do_gcc_backend() {
fi
fi
- if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
+ if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ] || \
+ [ "${enable_optspace}" = "yes" ]; then
extra_config+=("--enable-target-optspace")
fi
+
if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
extra_config+=("--disable-libstdcxx-pch")
fi
@@ -1166,6 +1235,7 @@ do_gcc_backend() {
--host=${host} \
--target=${CT_TARGET} \
--prefix="${prefix}" \
+ --exec_prefix="${exec_prefix}" \
${CT_CC_SYSROOT_ARG} \
"${extra_config[@]}" \
--with-local-prefix="${CT_SYSROOT_DIR}" \
generated by cgit v1.2.3 (git 2.39.1) at 2025-04-24 04:02:03 +0000