From: Michael Jerris <mike@jerris.com>
Date: Tue, 12 May 2015 04:37:03 +0000 (-0500)
Subject: fix clang build not seeing some libc prototypes throwing build warnings
X-Git-Tag: v1.4.19~6^2~16
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35a75a6a82664d011f81ad8ac6a447f17fe31e9e;p=thirdparty%2Ffreeswitch.git

fix clang build not seeing some libc prototypes throwing build warnings
---

diff --git a/libs/spandsp/configure.ac b/libs/spandsp/configure.ac
index 305c75a533..412caa203f 100644
--- a/libs/spandsp/configure.ac
+++ b/libs/spandsp/configure.ac
@@ -464,6 +464,13 @@ intel)
     fi
     COMP_VENDOR_LDFLAGS=
     ;;
+clang*)
+    COMP_VENDOR_CFLAGS="-D_XOPEN_SOURCE=700 -std=c99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes $COMP_VENDOR_CFLAGS"
+    if test x"$ac_cv_gcc_unused_but_set_variable" = xyes ; then
+        COMP_VENDOR_CFLAGS="-Wunused-but-set-variable $COMP_VENDOR_CFLAGS"
+    fi
+    COMP_VENDOR_LDFLAGS=
+    ;;
 *)
     COMP_VENDOR_CFLAGS="-std=c99 -Wall -Wunused-variable -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes $COMP_VENDOR_CFLAGS"
     if test x"$ac_cv_gcc_unused_but_set_variable" = xyes ; then