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authorLaurent Bercot <ska-skaware@skarnet.org>2021-04-11 14:47:46 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2021-04-11 14:47:46 +0000
commit98b70dc24af3956a88131b9fad6f71731847860c (patch)
tree51fc613d9957e42ed9565a40fc25ed3a6bf74b08 /configure
parent3c855230b562e497db4a93d03b8f903ab3508697 (diff)
downloads6-networking-98b70dc24af3956a88131b9fad6f71731847860c.tar.xz
Do not compile or link into /dev/null
Diffstat (limited to 'configure')
-rwxr-xr-xconfigure10
1 files changed, 6 insertions, 4 deletions
diff --git a/configure b/configure
index 80fc92d..51beebb 100755
--- a/configure
+++ b/configure
@@ -99,7 +99,7 @@ stripdir () {
tryflag () {
echo "Checking whether compiler accepts $2 ..."
echo "typedef int x;" > "$tmpc"
- if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST "$2" -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+ if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST "$2" -c -o "$tmpo" "$tmpc" >/dev/null 2>&1 ; then
echo " ... yes"
eval "$1=\"\${$1} \$2\""
eval "$1=\${$1# }"
@@ -113,7 +113,7 @@ tryflag () {
tryldflag () {
echo "Checking whether linker accepts $2 ..."
echo "typedef int x;" > "$tmpc"
- if $CC_AUTO $CFLAGS_AUTO $CFLAGS $CFLAGS_POST $LDFLAGS_AUTO $LDFLAGS $LDFLAGS_POST -nostdlib "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+ if $CC_AUTO $CFLAGS_AUTO $CFLAGS $CFLAGS_POST $LDFLAGS_AUTO $LDFLAGS $LDFLAGS_POST -nostdlib "$2" -o "$tmpe" "$tmpc" >/dev/null 2>&1 ; then
echo " ... yes"
eval "$1=\"\${$1} \$2\""
eval "$1=\${$1# }"
@@ -241,13 +241,15 @@ set -C
while : ; do
i=$(($i+1))
tmpc="./tmp-configure-$$-$PPID-$i.c"
+ tmpo="./tmp-configure-$$-$PPID-$i.o"
tmpe="./tmp-configure-$$-$PPID-$i.tmp"
2>|/dev/null > "$tmpc" && break
+ 2>|/dev/null > "$tmpo" && break
2>|/dev/null > "$tmpe" && break
test "$i" -gt 50 && fail "$0: cannot create temporary files"
done
set +C
-trap 'rm -f "$tmpc" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
+trap 'rm -f "$tmpc" "$tmpo" "$tmpe"' EXIT ABRT INT QUIT TERM HUP
# Set slashpackage values
if $slashpackage ; then
@@ -310,7 +312,7 @@ test -n "$CC_AUTO" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
echo " ... $CC_AUTO"
echo "Checking whether C compiler works... "
echo "typedef int x;" > "$tmpc"
-if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -c -o /dev/null "$tmpc" 2>"$tmpe" ; then
+if $CC_AUTO $CPPFLAGS_AUTO $CPPFLAGS $CPPFLAGS_POST $CFLAGS_AUTO $CFLAGS $CFLAGS_POST -c -o "$tmpo" "$tmpc" 2>"$tmpe" ; then
echo " ... yes"
else
echo " ... no. Compiler output follows:"