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config: in cross-compile case interrogate cross-compiler, not host, work

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around sub-shell limitation.
This commit is contained in:
Andy Polyakov 2011-10-23 15:12:37 +00:00
parent 5fd722600b
commit 8b8d2dccf1
1 changed files with 13 additions and 21 deletions
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34
config
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@ -411,25 +411,18 @@ exit 0
# this is where the translation occurs into SSLeay terms
# ---------------------------------------------------------------------------
if [ -z "$GCCVER" ]; then
GCCVER=`(gcc -dumpversion) 2>/dev/null`
fi
if [ "$GCCVER" != "" ]; then
# then strip off whatever prefix egcs prepends the number with...
# Hopefully, this will work for any future prefixes as well.
GCCVER=`echo $GCCVER | LC_ALL=C sed 's/^[a-zA-Z]*\-//'`
# Since gcc 3.1 gcc --version behaviour has changed. gcc -dumpversion
# does give us what we want though, so we use that. We just just the
# major and minor version numbers.
# peak single digit before and after first dot, e.g. 2.95.1 gives 29
GCCVER=`echo $GCCVER | sed 's/\([0-9]\)\.\([0-9]\).*/\1\2/'`
fi
# Only set CC if not supplied already
if [ -z "$CC" ]; then
# figure out if gcc is available and if so we use it otherwise
# we fallback to whatever cc does on the system
if [ -z "$CROSS_COMPILE$CC" ]; then
GCCVER=`sh -c "gcc -dumpversion" 2>/dev/null`
if [ "$GCCVER" != "" ]; then
# then strip off whatever prefix egcs prepends the number with...
# Hopefully, this will work for any future prefixes as well.
GCCVER=`echo $GCCVER | LC_ALL=C sed 's/^[a-zA-Z]*\-//'`
# Since gcc 3.1 gcc --version behaviour has changed. gcc -dumpversion
# does give us what we want though, so we use that. We just just the
# major and minor version numbers.
# peak single digit before and after first dot, e.g. 2.95.1 gives 29
GCCVER=`echo $GCCVER | sed 's/\([0-9]\)\.\([0-9]\).*/\1\2/'`
CC=gcc
else
CC=cc
@ -851,10 +844,9 @@ if [ -n "$CONFIG_OPTIONS" ]; then
options="$options $CONFIG_OPTIONS"
fi
if [ -z "$CONFIG_SKIP_NOEXECSTACK" ]; then
! expr "$options" : '.*no\-asm' > /dev/null && \
($CC -Wa,--help -c -o /dev/null -x assembler /dev/null 2>&1 | \
grep \\--noexecstack) 2>&1 > /dev/null && \
if expr "$options" : '.*no\-asm' > /dev/null; then :; else
sh -c "$CROSS_COMPILE${CC:-gcc} -Wa,--help -c -o /tmp/null.$$.o -x assembler /dev/null && rm /tmp/null.$$.o" 2>&1 | \
grep \\--noexecstack >/dev/null && \
options="$options -Wa,--noexecstack"
fi