From: Rich Felker <dalias@aerifal.cx>
Date: Thu, 7 Jun 2012 04:23:58 +0000 (-0400)
Subject: avoid linking main program in linker tests
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;ds=sidebyside;h=67a0383d07987cc4adeee3a06b60c666d9f9d62e;hp=0c5efde8d06670e8709e3bff548921b05a7da692;p=musl

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.
---

diff --git a/configure b/configure
index 02aef43a..d29d2dcd 100755
--- a/configure
+++ b/configure
@@ -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# }"