From: Chris Hanson <org/chris-hanson/cph>
Date: Mon, 22 Mar 2010 07:13:41 +0000 (-0700)
Subject: Detect whether C99 is supported.
X-Git-Tag: 20100708-Gtk~78
X-Git-Url: https://birchwood-abbey.net/git?a=commitdiff_plain;h=2e25b2fed5470df48d3a3623942a4dc2a037bcf0;p=mit-scheme.git

Detect whether C99 is supported.
---

diff --git a/src/microcode/configure.ac b/src/microcode/configure.ac
index 5b9054b8b..6d08886c0 100644
--- a/src/microcode/configure.ac
+++ b/src/microcode/configure.ac
@@ -204,6 +204,13 @@ SAVED_LDFLAGS=${LDFLAGS}
 
 dnl Checks for programs.
 AC_PROG_CC
+AC_PROG_CC_STDC
+if test "x${ac_cv_prog_cc_c99}" != xno; then
+   AC_DEFINE([HAVE_STDC_99], [1], [Does the compiler support C99?])
+fi
+if test "x${ac_cv_prog_cc_c89}" != xno; then
+   AC_DEFINE([HAVE_STDC_89], [1], [Does the compiler support C89?])
+fi
 AC_C_BACKSLASH_A
 AC_C_BIGENDIAN
 AC_C_CONST