From c914617c3a84151020e1251c759dbdd362955fbc Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Mon, 6 Jun 2011 00:29:58 +0200 Subject: [PATCH] ansi-c++-opt: Interoperability with libtool. * m4/ansi-c++.m4 (gl_PROG_ANSI_CXX): When a C++ compiler is not found, set the variable to "no", not to ":". * NEWS: Mention the change. --- ChangeLog | 7 +++++++ NEWS | 3 +++ m4/ansi-c++.m4 | 12 ++++++------ 3 files changed, 16 insertions(+), 6 deletions(-) diff --git a/ChangeLog b/ChangeLog index 62b99f3b85..1190e1d3aa 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2011-06-05 Bruno Haible + + ansi-c++-opt: Interoperability with libtool. + * m4/ansi-c++.m4 (gl_PROG_ANSI_CXX): When a C++ compiler is not found, + set the variable to "no", not to ":". + * NEWS: Mention the change. + 2011-06-05 Bruno Haible acl: Fix test failure on AIX 7. diff --git a/NEWS b/NEWS index abe12386d5..a87c3a47dd 100644 --- a/NEWS +++ b/NEWS @@ -12,6 +12,9 @@ User visible incompatible changes Date Modules Changes +2011-06-05 ansi-c++-opt When a C++ compiler is not found, the variable CXX + is now set to "no", not to ":". + 2011-05-11 group-member The include file is changed from "group-member.h" to . diff --git a/m4/ansi-c++.m4 b/m4/ansi-c++.m4 index d6352ee758..fbb5d64240 100644 --- a/m4/ansi-c++.m4 +++ b/m4/ansi-c++.m4 @@ -1,4 +1,4 @@ -# ansi-c++.m4 serial 7 +# ansi-c++.m4 serial 8 dnl Copyright (C) 2002-2003, 2005, 2010-2011 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -41,7 +41,7 @@ AC_DEFUN([gl_CXX_CHOICE], # gl_PROG_ANSI_CXX([ANSICXX_VARIABLE], [ANSICXX_CONDITIONAL]) # Sets ANSICXX_VARIABLE to the name of a sufficiently ANSI C++ compliant -# compiler, or to ":" if none is found. +# compiler, or to "no" if none is found. # Defines the Automake condition ANSICXX_CONDITIONAL to true if such a compiler # was found, or to false if not. @@ -51,7 +51,7 @@ AC_DEFUN([gl_PROG_ANSI_CXX], m4_if([$1], [CXX], [], [gl_save_CXX="$CXX"]) if test "$CXX_CHOICE" = no; then - CXX=":" + CXX=no fi if test -z "$CXX"; then if test -n "$CCC"; then @@ -62,7 +62,7 @@ AC_DEFUN([gl_PROG_ANSI_CXX], [:]) fi fi - if test "$CXX" != ":"; then + if test "$CXX" != no; then dnl Use a modified version of AC_PROG_CXX_WORKS that does not exit dnl upon failure. AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works]) @@ -114,9 +114,9 @@ EOF CXX="$gl_save_CXX"]) AC_SUBST([$1]) - AM_CONDITIONAL([$2], [test "$$1" != ":"]) + AM_CONDITIONAL([$2], [test "$$1" != no]) - if test "$$1" != ":"; then + if test "$$1" != no; then dnl This macro invocation resolves an automake error: dnl /usr/local/share/automake-1.11/am/depend2.am: am__fastdepCXX does not appear in AM_CONDITIONAL dnl /usr/local/share/automake-1.11/am/depend2.am: The usual way to define `am__fastdepCXX' is to add `AC_PROG_CXX' -- 2.30.2