[dovecot-cvs] dovecot configure.in,1.195,1.196

[cras at dovecot.org]

Update of /var/lib/cvs/dovecot
In directory talvi:/tmp/cvs-serv23635

Modified Files:
	configure.in 
Log Message:
Don't use -std=gnu99 if gcc doesn't support it.



Index: configure.in
===================================================================
RCS file: /var/lib/cvs/dovecot/configure.in,v
retrieving revision 1.195
retrieving revision 1.196
diff -u -d -r1.195 -r1.196
--- configure.in	13 Jan 2005 13:37:09 -0000	1.195
+++ configure.in	15 Jan 2005 13:43:44 -0000	1.196
@@ -234,6 +234,16 @@
 	# -Wmissing-format-attribute -Wmissing-noreturn -Wwrite-strings # a couple of warnings
 	CFLAGS="$CFLAGS -Wall -W -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wformat=2 -Wbad-function-cast"
 
+	# Use std=gnu99 if we have new enough gcc
+	old_cflags=$CFLAGS
+	CFLAGS="-std=gnu99"
+	AC_TRY_COMPILE([
+	],, [
+	  CFLAGS="$CFLAGS $old_cflags"
+	], [
+	  CFLAGS="$old_cflags"
+	])
+
 	# say specifically that we want C99 features.
 	# we can make use of GNU features as well, so don't use -std=c99.
 	CFLAGS="$CFLAGS -std=gnu99"