support _BSD_SOURCE feature test macro

[musl] / configure

diff --git a/configure b/configure
index 902997e..4bf8463 100755 (executable)
--- a/configure
+++ b/configure
@@ -148,7 +148,7 @@ test -n "$CC" || { echo "$0: cannot find a C compiler" ; exit 1 ; }
 #
 if test -z "$wrapper" ; then
 printf "checking whether compiler is gcc... "
 #
 if test -z "$wrapper" ; then
 printf "checking whether compiler is gcc... "

-if fnmatch '*(GCC)*' "$("$CC" --version 2>/dev/null)" ; then
+if fnmatch '*gcc\ version*' "$("$CC" -v 2>&1)" ; then

 echo yes
 printf "checking whether to build musl-gcc wrapper... "
 wrapper=yes
 echo yes
 printf "checking whether to build musl-gcc wrapper... "
 wrapper=yes