blob: 6dee96643835950289246301f4461629b46f83d7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# Copyright 2011-2016 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# 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:
|
