trylink: use mktemp instead of hardcoding paths

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

View File

@ -46,7 +46,7 @@ try() {
}
check_cc() {
local tempname="/tmp/temp.$$.$RANDOM"
local tempname="$(mktemp)"
# Can use "-o /dev/null", but older gcc tend to *unlink it* on failure! :(
# "-xc": C language. "/dev/null" is an empty source file.
if $CC $1 -shared -xc /dev/null -o "$tempname".o >/dev/null 2>&1; then
@ -54,11 +54,11 @@ check_cc() {
else
echo "$2";
fi
rm "$tempname".o 2>/dev/null
rm -f "$tempname" "$tempname".o
}
check_libc_is_glibc() {
local tempname="/tmp/temp.$$.$RANDOM"
local tempname="$(mktemp)"
echo "\
#include <stdlib.h>
/* Apparently uclibc defines __GLIBC__ (compat trick?). Oh well. */
@ -71,7 +71,7 @@ check_libc_is_glibc() {
else
echo "$1";
fi
rm "$tempname".c "$tempname".o 2>/dev/null
rm -f "$tempname" "$tempname".[co]
}
EXE="$1"