Index: /branches/eam_branch_20090208/Ohana/configure.tcsh
===================================================================
--- /branches/eam_branch_20090208/Ohana/configure.tcsh	(revision 21419)
+++ /branches/eam_branch_20090208/Ohana/configure.tcsh	(revision 21420)
@@ -12,4 +12,5 @@
 set memcheck = 0
 set use_tcmalloc = 0
+set use_gnu99 = 0
 
 set prefix  = ""
@@ -70,4 +71,7 @@
    set use_tcmalloc = 1
    breaksw;
+  case --use-gnu99
+   set use_gnu99 = 1
+   breaksw;
   case --pedantic
    set pedantic = 1
@@ -167,4 +171,5 @@
   set CFLAGS = "-g -O0"
 endif  
+
 # optimize overrides user-supplied CFLAGS
 if ($optimize) set CFLAGS = "-O2"
@@ -172,4 +177,7 @@
 # profiler code
 if ($profile) set CFLAGS = "$CFLAGS -pg"
+
+# use_gnu99
+if ($use_gnu99) set CFLAGS = "$CFLAGS -std=gnu99"
 
 if (! $?CPPFLAGS) then