From 373dc625f82b47096893add42c4472e4a57ab7eb Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 9 Feb 2022 22:23:03 +0100
Subject: Moved third-party libraries to a separate subdirectory

---
 contrib/vorbis/m4/add_cflags.m4 | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 contrib/vorbis/m4/add_cflags.m4

(limited to 'contrib/vorbis/m4/add_cflags.m4')

diff --git a/contrib/vorbis/m4/add_cflags.m4 b/contrib/vorbis/m4/add_cflags.m4
new file mode 100644
index 0000000..eeb6efd
--- /dev/null
+++ b/contrib/vorbis/m4/add_cflags.m4
@@ -0,0 +1,15 @@
+dnl @synopsis AC_ADD_CFLAGS
+dnl
+dnl Add the given option to CFLAGS, if it doesn't break the compiler
+
+AC_DEFUN([AC_ADD_CFLAGS],
+[AC_MSG_CHECKING([if $CC accepts $1])
+	ac_add_cflags__old_cflags="$CFLAGS"
+	CFLAGS="$CFLAGS $1"
+	AC_TRY_LINK([#include <stdio.h>],
+		[puts("Hello, World!"); return 0;],
+		AC_MSG_RESULT([yes]),
+		AC_MSG_RESULT([no])
+		CFLAGS="$ac_add_cflags__old_cflags")
+		])
+])# AC_ADD_CFLAGS
-- 
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