X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=configure;fp=configure;h=679f543ed2f93cea6f4feb2fd37409be134f7c5f;hb=33e5a6d5549381b79d1f556d46c396b681aea69a;hp=b63103eaa697a25822d7a481b8629991af77b8e9;hpb=cef8e846eb37daa0a03cd57b187c624d3f7d1494;p=fips diff --git a/configure b/configure index b63103e..679f543 100755 --- a/configure +++ b/configure @@ -331,6 +331,20 @@ if [ $have_gl_winsys -eq 0 ]; then errors=$((errors + 1)) fi +printf "int main(void){return 0;}\n" > minimal.c + +WARN_CFLAGS="" +printf "Checking for available C compiler warning flags:\n" +for flag in -Wall -Wextra -Wmissing-declarations; do + if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1 + then + WARN_CFLAGS="${WARN_CFLAGS}${WARN_CFLAGS:+ }${flag}" + fi +done +printf "\t${WARN_CFLAGS}\n" + +rm -f minimal minimal.c + if [ $errors -gt 0 ]; then cat < minimal.c - -WARN_CFLAGS="" -printf "Checking for available C compiler warning flags... " -for flag in -Wall -Wextra -Wmissing-declarations; do - if ${CC} $flag -o minimal minimal.c > /dev/null 2>&1 - then - WARN_CFLAGS="${WARN_CFLAGS}${WARN_CFLAGS:+ }${flag}" - fi -done -printf "\n\t${WARN_CFLAGS}\n" - -rm -f minimal minimal.c - cat <