[PATCH v2] When building, don't use compiler flags which cause warnings

[Alex Dowad <alexinbeijing@gmail.com>]

This silences some warnings when building with clang.
---
Dear Rich Felker,

This accomplishes the same thing as the previous patch by "promoting" all
warnings to errors. Look better?

Thanks,
Alex Dowad

 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index cf9227a..bca2bd9 100755
--- a/configure
+++ b/configure
@@ -80,7 +80,7 @@ fi
 tryflag () {
 printf "checking whether compiler accepts %s... " "$2"
 echo "typedef int x;" > "$tmpc"
-if $CC $2 -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+if $CC $2 -Werror -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
 printf "yes\n"
 eval "$1=\"\${$1} \$2\""
 eval "$1=\${$1# }"
@@ -94,7 +94,7 @@ fi
 tryldflag () {
 printf "checking whether linker accepts %s... " "$2"
 echo "typedef int x;" > "$tmpc"
-if $CC -nostdlib -shared "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
+if $CC -Werror -nostdlib -shared "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then
 printf "yes\n"
 eval "$1=\"\${$1} \$2\""
 eval "$1=\${$1# }"
-- 
2.0.0.GIT