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| author |   Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2011-11-21 23:11:51 (GMT) |
|---|---|---|
| committer | Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> | 2011-11-21 23:11:51 (GMT) |
| commit | 170091aa2a61a286d41b2f51cb9f33728b55b419 (patch) | |
| tree | 0fc3a41cbedd4a9f86ba56bf195f65e3b4a8b54b | |
| parent | a2e7a536e05eb39dc3a9583bad3cfd47b8c2f46e (diff) | |
libc/glibc: set the endian option according to extra CFLAGS
When building a multilib, some extra CFLAGS can override the
default config option. This is the case for the endianness
selection.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
| -rw-r--r-- | scripts/build/libc/glibc-eglibc.sh-common | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/scripts/build/libc/glibc-eglibc.sh-common b/scripts/build/libc/glibc-eglibc.sh-common index 2533f14..6441e84 100644 --- a/scripts/build/libc/glibc-eglibc.sh-common +++ b/scripts/build/libc/glibc-eglibc.sh-common @@ -78,6 +78,7 @@ do_libc_backend() { local -a extra_make_args local glibc_cflags local float_extra + local endian_extra while [ $# -ne 0 ]; do eval "${1// /\\ }" @@ -169,7 +170,23 @@ do_libc_backend() { [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}") fi - extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}" + # Extract the endianness options if any + # This should cover all possible endianness options + # in gcc, but it is prone to bit-rot... :-( + endian_extra="$( echo "${extra_flags}" \ + |${sed} -r -e '/^(.*[[:space:]])?-(E[BL]|m((big|little)(-endian)?|e?[bl]))([[:space:]].*)?$/!d;' \ + -e 's//\2/;' \ + )" + case "${endian_extra}" in + EB|mbig-endian|mbig|meb|mb) + extra_cc_args="${extra_cc_args} ${endian_extra}" + ;; + EL|mlittle-endian|mlittle|mel|ml) + extra_cc_args="${extra_cc_args} ${endian_extra}" + ;; + "") extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}" + ;; + esac touch config.cache if [ "${CT_LIBC_GLIBC_FORCE_UNWIND}" = "y" ]; then |