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trylink: use mktemp instead of hardcoding paths

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This way we respect standard tempdir env vars and are guaranteed to
be unique.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2015-03-16 17:46:17 -04:00
parent 49acc1a761
commit 4a08e82d44
1 changed files with 4 additions and 4 deletions
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8
scripts/trylink
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@ -46,7 +46,7 @@ try() {
} }
check_cc() { check_cc() {
local tempname="/tmp/temp.$$.$RANDOM" local tempname="$(mktemp)"
# Can use "-o /dev/null", but older gcc tend to *unlink it* on failure! :( # Can use "-o /dev/null", but older gcc tend to *unlink it* on failure! :(
# "-xc": C language. "/dev/null" is an empty source file. # "-xc": C language. "/dev/null" is an empty source file.
if $CC $1 -shared -xc /dev/null -o "$tempname".o >/dev/null 2>&1; then if $CC $1 -shared -xc /dev/null -o "$tempname".o >/dev/null 2>&1; then
@ -54,11 +54,11 @@ check_cc() {
else else
echo "$2"; echo "$2";
fi fi
rm "$tempname".o 2>/dev/null rm -f "$tempname" "$tempname".o
} }
check_libc_is_glibc() { check_libc_is_glibc() {
local tempname="/tmp/temp.$$.$RANDOM" local tempname="$(mktemp)"
echo "\ echo "\
#include <stdlib.h> #include <stdlib.h>
/* Apparently uclibc defines __GLIBC__ (compat trick?). Oh well. */ /* Apparently uclibc defines __GLIBC__ (compat trick?). Oh well. */
@ -71,7 +71,7 @@ check_libc_is_glibc() {
else else
echo "$1"; echo "$1";
fi fi
rm "$tempname".c "$tempname".o 2>/dev/null rm -f "$tempname" "$tempname".[co]
} }
EXE="$1" EXE="$1"