diff options
Diffstat (limited to 'profiles/prefix/linux/profile.bashrc')
| -rw-r--r-- | profiles/prefix/linux/profile.bashrc | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/profiles/prefix/linux/profile.bashrc b/profiles/prefix/linux/profile.bashrc new file mode 100644 index 000000000000..9a4890117525 --- /dev/null +++ b/profiles/prefix/linux/profile.bashrc @@ -0,0 +1,44 @@ +# This is a ugly issue, see bug 289757 for origins +# This mimics the check in gcc ebuilds, bug 362315 +# +# # Remember, bash treats floats like strings.. + +get_libc_vers_min() { + if [[ -x /usr/bin/ldd ]] ; then + /usr/bin/ldd --version \ + | head -n1 \ + | grep -o ") 2\.[0-9]\+" \ + | cut -d. -f2 + return + elif [[ -x /lib/libc.so.6 || -x /lib64/libc.so.6 ]] ; then + { + /lib/libc.so.6 || /lib64/libc.so.6 + } 2>/dev/null \ + | head -n1 \ + | grep -o 'version 2\.[0-9]\+' \ + | cut -d. -f2 + return + fi + echo "0" +} + +if [[ ${CATEGORY}/${PN} == sys-devel/gcc && ${EBUILD_PHASE} == unpack ]]; then + # Since 2.3 > 2.12 in numerical terms, just compare 2.X to 2.Y, will break + # if >=3.0 is ever released + VERS=$(get_libc_vers_min) + if [[ $VERS -lt 12 ]]; then # compare host glibc 2.x to 2.12 + ewarn "Your host glibc is too old; disabling automatic fortify. bug 289757" + EPATCH_EXCLUDE+=" 10_all_gcc-default-fortify-source.patch" # <=gcc-4.5* + EPATCH_EXCLUDE+=" 10_all_default-fortify-source.patch" # >=gcc-4.6* + fi +fi + +if [[ ${EBUILD_PHASE} == setup ]]; then + VERS=$(get_libc_vers_min) + if [[ $VERS -lt 6 && "${CFLAGS} " != *'gnu89-inline '* ]]; then # compare host glibc 2.x to 2.6 + einfo "Your host glibc is too old; enabling -fgnu89-inline compiler flag. bug 473524" + CFLAGS="${CFLAGS} -fgnu89-inline" # for C only + fi +fi + +# vim: set syn=sh: |