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changeset 15554:f6ddf66ecff7

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imaxabs: Avoid link error on OSF/1 with DTK cc.
author Bruno Haible <bruno@clisp.org>
date Fri, 02 Sep 2011 01:32:05 +0200
parents deb8b9390f3c
children caabcfbb39a5
files ChangeLog m4/imaxabs.m4 modules/imaxabs
diffstat 3 files changed, 13 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2011-09-01  Bruno Haible  <bruno@clisp.org>
+
+	imaxabs: Avoid link error on OSF/1 with DTK cc.
+	* m4/imaxabs.m4 (gl_FUNC_IMAXABS): Also test whether imaxabs is defined
+	as a function.
+	* modules/imaxabs (configure.ac): Test whether imaxabs is defined, not
+	whether it is declared.
+
 2011-09-01  Bruno Haible  <bruno@clisp.org>
 
 	Tests for module 'strtoumax'.
--- a/m4/imaxabs.m4
+++ b/m4/imaxabs.m4
@@ -1,4 +1,4 @@
-# imaxabs.m4 serial 3
+# imaxabs.m4 serial 4
 dnl Copyright (C) 2006, 2009-2011 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -7,6 +7,9 @@
 AC_DEFUN([gl_FUNC_IMAXABS],
 [
   AC_REQUIRE([gl_INTTYPES_H_DEFAULTS])
+
+  dnl On OSF/1 5.1 with cc, this function is declared but not defined.
+  AC_CHECK_FUNCS_ONCE([imaxabs])
   AC_CHECK_DECLS_ONCE([imaxabs])
   if test "$ac_cv_have_decl_imaxabs" != yes; then
     HAVE_DECL_IMAXABS=0
--- a/modules/imaxabs
+++ b/modules/imaxabs
@@ -10,7 +10,7 @@
 
 configure.ac:
 gl_FUNC_IMAXABS
-if test $HAVE_DECL_IMAXABS = 0; then
+if test $ac_cv_func_imaxabs = no; then
   AC_LIBOBJ([imaxabs])
   gl_PREREQ_IMAXABS
 fi