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configure: respect $CC environment var override

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Enables e.g. cross-compiling by setting $CC env var.  This patch
extracted from the Ubuntu package (thanks, Wookey and Colin Watson).

BugLink: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670660
BugLink: https://bugs.launchpad.net/bugs/870197

Signed-off-by: Kamal Mostafa <kamal@debian.org>
This commit is contained in:
Wookey 2012-11-16 08:06:19 -08:00 committed by Stephen Hemminger
parent 2c389b0f31
commit 35122a7500
1 changed files with 7 additions and 6 deletions
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13
configure vendored
View File

@ -3,6 +3,7 @@
#
INCLUDE=${1:-"$PWD/include"}
: ${PKG_CONFIG:=pkg-config}
: ${CC=gcc}
echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config
# Make a temp directory in build tree.
@ -19,7 +20,7 @@ int main(int argc, char **argv) {
return 0;
}
EOF
gcc -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
$CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "TC_CONFIG_ATM:=y" >>Config
@ -53,7 +54,7 @@ int main(int argc, char **argv)
EOF
if gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1
if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1
then
echo "TC_CONFIG_XT:=y" >>Config
echo "using xtables"
@ -90,7 +91,7 @@ int main(int argc, char **argv) {
}
EOF
gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
@ -130,7 +131,7 @@ int main(int argc, char **argv) {
}
EOF
gcc -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
$CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1
if [ $? -eq 0 ]
then
@ -180,7 +181,7 @@ int main(int argc, char **argv)
return 0;
}
EOF
gcc -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
$CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1
if [ $? -eq 0 ]
then
echo "IP_CONFIG_SETNS:=y" >>Config
@ -212,7 +213,7 @@ int main(void)
#endif
EOF
if gcc -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1
if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1
then
echo "TC_CONFIG_IPSET:=y" >>Config
echo "yes"