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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2021-04-11 14:47:36 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2021-04-11 14:47:36 +0000 |
| commit | 6fe9724121402e05ddc23254bde099397598d015 (patch) | |
| tree | 85f5ffe8374b1f10a51bcc6a07194e2881cff41c /configure | |
| parent | ce43295850cd914101667b739673b9cdccb4ccc5 (diff) | |
| download | s6-linux-utils-6fe9724121402e05ddc23254bde099397598d015.tar.xz | |
Do not compile or link into /dev/null
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -94,7 +94,7 @@ 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# }" @@ -108,7 +108,7 @@ 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=\${$1# }" @@ -228,13 +228,15 @@ set -C while : ; do i=$(($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 $slashpackage ; then @@ -297,7 +299,7 @@ test -n "$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:" |