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libc/glibc: add option to force unwind

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We make it an option, as not all combinations of architectures
vs. compiler vs. glibc/eglibc exhibit the issue. Mostly visible
on old glibc versions, it seems...

This is a missing part from the glibc/eglibc merger... :-/

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
This commit is contained in:
Yann E. MORIN"
2011-01-31 19:52:18 +01:00
parent f8ea3111b4
commit 1838bb1f15
2 changed files with 33 additions and 2 deletions
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20
scripts/build/libc/glibc-eglibc.sh-common
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@ -29,6 +29,15 @@ do_libc_start_files() {
CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
touch config.cache
if [ "${CT_LIBC_GLIBC_FORCE_UNWIND}" = "y" ]; then
echo "libc_cv_forced_unwind=yes" >>config.cache
echo "libc_cv_c_cleanup=yes" >>config.cache
fi
# Pre-seed the configparms file with values from the config option
printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
BUILD_CC="${CT_BUILD}-gcc" \
CC=${cross_cc} \
CXX=${cross_cxx} \
@ -40,6 +49,7 @@ do_libc_start_files() {
--with-headers="${CT_HEADERS_DIR}" \
--build="${CT_BUILD}" \
--host="${CT_TARGET}" \
--cache-file="$(pwd)/config.cache" \
--disable-profile \
--without-gd \
--without-cvs \
@ -173,6 +183,12 @@ do_libc() {
extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
touch config.cache
if [ "${CT_LIBC_GLIBC_FORCE_UNWIND}" = "y" ]; then
echo "libc_cv_forced_unwind=yes" >>config.cache
echo "libc_cv_c_cleanup=yes" >>config.cache
fi
# Pre-seed the configparms file with values from the config option
printf "${CT_LIBC_GLIBC_CONFIGPARMS}\n" > configparms
@ -194,7 +210,7 @@ do_libc() {
# Should this change in a future eglibc release, we'd better
# directly mangle the generated scripts _after_ they get built,
# or even after they get installed... eglibc is such a sucker...
echo "ac_cv_path_BASH_SHELL=/bin/bash" >config.cache
echo "ac_cv_path_BASH_SHELL=/bin/bash" >>config.cache
# Configure with --prefix the way we want it on the target...
# There are a whole lot of settings here. You'll probably want
@ -214,10 +230,10 @@ do_libc() {
--prefix=/usr \
--build=${CT_BUILD} \
--host=${CT_TARGET} \
--cache-file="$(pwd)/config.cache" \
--without-cvs \
--disable-profile \
--without-gd \
--cache-file=config.cache \
--with-headers="${CT_HEADERS_DIR}" \
"${extra_config[@]}" \
${CT_LIBC_GLIBC_EXTRA_CONFIG}