From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23367 invoked by alias); 4 Feb 2011 05:16:45 -0000 Received: (qmail 23358 invoked by uid 22791); 4 Feb 2011 05:16:44 -0000 X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,TW_BG X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 04 Feb 2011 05:16:38 +0000 From: "rwild at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/47032] libgfortran references complex long double functions missing on AIX X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: build X-Bugzilla-Severity: normal X-Bugzilla-Who: rwild at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Fri, 04 Feb 2011 05:16:00 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2011-02/txt/msg00611.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47032 --- Comment #7 from Ralf Wildenhues 2011-02-04 05:16:15 UTC --- (In reply to comment #3) > libgfortran/configure.ac has lines of the form (note I wrapped the line) > > AC_CHECK_LIB([m],[copysignl],[AC_DEFINE([HAVE_COPYSIGNL],[1],\ > [libm includes copysignl])]) > > So, configure is already checking if libm contains the > the "long double functions". The problem appears to be > that AC_CHECK_LIB is a compile only test, and these tests > appear to pass on AIX. AC_CHECK_LIB uses a link test, not a compile test.