From: Eric Biggers <ebiggers3@gmail.com>
Date: Tue, 30 Dec 2014 03:31:51 +0000 (-0600)
Subject: Restore -std=gnu99 instead of -std=c99
X-Git-Tag: v1.7.4~3
X-Git-Url: https://wimlib.net/git/?p=wimlib;a=commitdiff_plain;h=c6dd8b5d4f3b9711be41008618253701055e5921

Restore -std=gnu99 instead of -std=c99
---

diff --git a/Makefile.am b/Makefile.am
index 0893ef66..96878d47 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,10 @@ ACLOCAL_AMFLAGS = -I m4
 AM_CPPFLAGS	= -I$(top_srcdir)/include $(PLATFORM_CPPFLAGS)	\
 		  -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
 
-AM_CFLAGS	= -std=c99 $(PLATFORM_CFLAGS) -fno-common	\
+# Note: -std=gnu99 instead of -std=c99 is needed for unnamed structs and unions,
+# which are in C11 but not C99.  But we can't yet actually use -std=c11 because
+# we want to support older versions of gcc.
+AM_CFLAGS	= -std=gnu99 $(PLATFORM_CFLAGS) -fno-common	\
 		  -Wmissing-prototypes -Wstrict-prototypes	\
 		  -Wundef -Wno-pointer-sign