From ef24ecde68a5f577a7f0f423a767620f09a0ab16 Mon Sep 17 00:00:00 2001
From: Yang Tse <yangsita@gmail.com>
Date: Thu, 25 Nov 2010 21:05:20 +0100
Subject: symbol-scan: use configure script knowledge about how to run the C
 preprocessor

---
 acinclude.m4 | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'acinclude.m4')

diff --git a/acinclude.m4 b/acinclude.m4
index 225fb9d1d..9f790522a 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -3246,3 +3246,44 @@ AC_DEFUN([CURL_CHECK_PKGCONFIG], [
       fi
     fi
 ])
+
+
+dnl CURL_GENERATE_CONFIGUREHELP_PM
+dnl -------------------------------------------------
+dnl Generate test harness configurehelp.pm module, defining and
+dnl initializing some perl variables with values which are known
+dnl when the configure script runs. For portability reasons, test
+dnl harness needs information on how to run the C preprocessor.
+
+AC_DEFUN([CURL_GENERATE_CONFIGUREHELP_PM], [
+  AC_REQUIRE([AC_PROG_CPP])dnl
+  tmp_cpp=`eval echo "$ac_cpp" 2>/dev/null`
+  if test -z "$tmp_cpp"; then
+    tmp_cpp='cpp'
+  fi
+  cat >./tests/configurehelp.pm <<_EOF
+[@%:@] This is a generated file.  Do not edit.
+
+package configurehelp;
+
+use strict;
+use warnings;
+use Exporter;
+
+use vars qw(
+    @ISA
+    @EXPORT_OK
+    \$Cpreprocessor
+    );
+
+@ISA = qw(Exporter);
+
+@EXPORT_OK = qw(
+    \$Cpreprocessor
+    );
+
+\$Cpreprocessor = '$tmp_cpp';
+
+1;
+_EOF
+])
-- 
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