[mpich2-commits] r6728 - mpich2/trunk/confdb

[goodell at mcs.anl.gov]

Author: goodell
Date: 2010-05-24 15:54:42 -0500 (Mon, 24 May 2010)
New Revision: 6728

Modified:
   mpich2/trunk/confdb/aclocal_cc.m4
Log:
add support for --enable-strict=c99

Some optional software (like hwloc) only builds when we have
C99 available.  In order to test these cases and retain strict
errors and warnings, this commit adds a "c99" strict flavor.

Reviewed by balaji at .

Modified: mpich2/trunk/confdb/aclocal_cc.m4
===================================================================
--- mpich2/trunk/confdb/aclocal_cc.m4	2010-05-24 19:52:25 UTC (rev 6727)
+++ mpich2/trunk/confdb/aclocal_cc.m4	2010-05-24 20:54:42 UTC (rev 6728)
@@ -525,7 +525,6 @@
         -Winvalid-pch
         -Wno-pointer-sign
         -Wvariadic-macros
-        -std=c89
         -Wno-format-zero-length
 	-Wno-type-limits
     "
@@ -534,18 +533,28 @@
         yes|all|posix)
 		enable_strict_done="yes"
 		pac_cc_strict_flags="-O2 $pac_common_strict_flags -D_POSIX_C_SOURCE=199506L"
+                PAC_APPEND_FLAG([-std=c89],[pac_cc_strict_flags])
         ;;
 
+        # sometimes we want to assume c99 but still want strict warnings/errors
+        c99)
+                enable_strict_done="yes"
+                pac_cc_strict_flags="-O2 $pac_common_strict_flags -D_POSIX_C_SOURCE=199506L"
+                PAC_APPEND_FLAG([-std=c99],[pac_cc_strict_flags])
+        ;;
+
         noposix)
 		enable_strict_done="yes"
 		pac_cc_strict_flags="-O2 $pac_common_strict_flags"
+                PAC_APPEND_FLAG([-std=c89],[pac_cc_strict_flags])
         ;;
 
 	noopt)
 		enable_strict_done="yes"
 		pac_cc_strict_flags="$pac_common_strict_flags -D_POSIX_C_SOURCE=199506L"
+                PAC_APPEND_FLAG([-std=c89],[pac_cc_strict_flags])
 	;;
-        
+
         no)
 		# Accept and ignore this value
 		: