avoid linking main program in linker tests

it's possible that the user has provided a compiler that does not have
any libc to link to, so linking a main program is a bad idea. instead,
generate an empty shared library with no dependencies.
This commit is contained in:
Rich Felker 2012-06-07 00:23:58 -04:00
parent 0c5efde8d0
commit 67a0383d07

4
configure vendored
View File

@ -69,8 +69,8 @@ fi
tryldflag () {
printf "checking whether linker accepts %s... " "$2"
echo "int main() { return 0; }" > "$tmpc"
if "$CC" "$2" -o /dev/null "$tmpc" 2>/dev/null ; then
echo "typedef int x;" > "$tmpc"
if "$CC" -shared "$2" -o /dev/null "$tmpc" 2>/dev/null ; then
printf "yes\n"
eval "$1=\"\${$1} \$2\""
eval "$1=\${$1# }"