From: Paolo Bonzini <bonzini@gnu.org>
Date: Mon, 3 Nov 2008 09:19:44 +0000 (+0100)
Subject: Use preprocessor in cpp tests.
X-Git-Tag: v2.63b~149
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d6777ebf7e855a2c1e3fc528653076555f5e04b0;p=thirdparty%2Fautoconf.git

Use preprocessor in cpp tests.

* tests/c.at (CPP tests): Use AC_CHECK_HEADERS(..., [-]).
---

diff --git a/tests/c.at b/tests/c.at
index bc07c6ebc..d7a1886b4 100644
--- a/tests/c.at
+++ b/tests/c.at
@@ -124,7 +124,9 @@ _AT_CHECK_AC_MACRO(
 test "x$ac_c_preproc_warn_flag" = xyes &&
   AC_MSG_ERROR([preprocessor has no warning option], 77)
 CPP="./mycpp $CPP"
-AC_CHECK_HEADERS(stdio.h autoconf_io.h)]])
+
+# Exercise CPP.
+AC_CHECK_HEADERS(stdio.h autoconf_io.h, [], [], [-])]])
 
 AT_CHECK_DEFINES(
 [/* #undef HAVE_AUTOCONF_IO_H */
@@ -158,7 +160,9 @@ _AT_CHECK_AC_MACRO(
 AC_PROG_CPP
 test "x$ac_c_preproc_warn_flag" != xyes &&
   AC_MSG_ERROR([failed to detect preprocessor warning option])
-AC_CHECK_HEADERS(stdio.h autoconf_io.h)]])
+
+# Exercise CPP.
+AC_CHECK_HEADERS(stdio.h autoconf_io.h, [], [], [-])]])
 
 AT_CHECK_DEFINES(
 [/* #undef HAVE_AUTOCONF_IO_H */
@@ -203,7 +207,7 @@ test "$CPP" != "$CC -E" &&
   AC_MSG_ERROR([error messages on stderr cause the preprocessor selection to fail])
 
 # Exercise CPP.
-AC_CHECK_HEADERS(stdio.h autoconf_io.h)]])
+AC_CHECK_HEADERS(stdio.h autoconf_io.h, [], [], [-])]])
 
 AT_CHECK_DEFINES(
 [/* #undef HAVE_AUTOCONF_IO_H */