From: des <des@d4fa192b-c00b-0410-8231-f00ffab90ce4>
Date: Mon, 7 Aug 2006 15:47:39 +0000 (+0000)
Subject: Improve detection of the presence and usability of asprintf() / vasprintf().
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1a82fc8e15ae50e4e3c1b123de328bd48efa0e7;p=varnish

Improve detection of the presence and usability of asprintf() / vasprintf().

git-svn-id: svn+ssh://projects.linpro.no/svn/varnish/trunk@723 d4fa192b-c00b-0410-8231-f00ffab90ce4
---

diff --git a/varnish-cache/configure.ac b/varnish-cache/configure.ac
index 3986669e..687e66f9 100644
--- a/varnish-cache/configure.ac
+++ b/varnish-cache/configure.ac
@@ -61,11 +61,21 @@ AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([strerror])
 AC_FUNC_STRERROR_R
 AC_CHECK_FUNCS([socket])
-AC_CHECK_FUNCS([vasprintf])
-AC_CHECK_FUNCS([asprintf])
 AC_CHECK_FUNCS([strlcat])
 AC_CHECK_FUNCS([strlcpy])
 
+# asprintf() and vasprintf() are tricky, because on some systems, they
+# are present in the C library, but their prototypes are hidden behind
+# conditionals which we won't bother to unravel.
+AC_CHECK_DECL([asprintf],
+	AC_DEFINE(HAVE_ASPRINTF,1,[Whether asprintf() is available]),
+	,
+	[stdio.h])
+AC_CHECK_DECL([vasprintf],
+	AC_DEFINE(HAVE_VASPRINTF,1,[Whether vasprintf() is available]),
+	,
+	[stdio.h])
+
 AC_CONFIG_FILES([
     Makefile
     bin/Makefile