From: "Anthony G. Basile (blueness)" <blueness@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] gentoo-x86 commit in sys-apps/rng-tools/files: test-for-argp.patch
Date: Thu, 19 Jul 2012 10:44:14 +0000 (UTC) [thread overview]
Message-ID: <20120719104414.18CE020065@flycatcher.gentoo.org> (raw)
blueness 12/07/19 10:44:14
Added: test-for-argp.patch
Log:
Patch configure.ac to search for arpg in glibc or libargp, bug #292191
(Portage version: 2.1.10.65/cvs/Linux x86_64)
Revision Changes Path
1.1 sys-apps/rng-tools/files/test-for-argp.patch
file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-apps/rng-tools/files/test-for-argp.patch?rev=1.1&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/sys-apps/rng-tools/files/test-for-argp.patch?rev=1.1&content-type=text/plain
Index: test-for-argp.patch
===================================================================
On glibc systems, argp is provided by libc. However, on
uclibc and other systems which lack argp in their C library,
argp might be provided by a stand alone library, libargp.
This patch adds tests to the build system to find who provides
argp.
X-Gentoo-Bug: 292191
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=292191
Reported-by: Ed Wildgoose <gentoo@wildgooses.com>
Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
--- configure.ac.orig 2012-05-26 22:45:42.753478198 +0000
+++ configure.ac 2012-05-27 00:36:23.175844081 +0000
@@ -47,6 +47,28 @@
dnl Checks for optional library functions
dnl -------------------------------------
+dnl First check if we have argp available from libc
+AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM(
+ [#include <argp.h>],
+ [int argc=1; char *argv[]={"test"}; argp_parse(0,argc,argv,0,0,0); return 0;]
+ )],
+ [libc_has_argp="true"],
+ [libc_has_argp="false"]
+)
+
+dnl If libc doesn't provide argp, then test for libargp
+if test "$libc_has_argp" = "false" ; then
+ AC_MSG_WARN("libc does not have argp")
+ AC_CHECK_LIB([argp], [argp_parse], [have_argp="true"], [have_argp="false"])
+
+ if test "$have_argp" = "false"; then
+ AC_MSG_ERROR("no libargp found")
+ else
+ LIBS+=" -largp"
+ fi
+fi
+
dnl -----------------
dnl Configure options
dnl -----------------
reply other threads:[~2012-07-19 10:44 UTC|newest]
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