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| author | Peter Kokot <peterkokot@gmail.com> | 2018-07-26 15:31:37 +0200 |
|---|---|---|
| committer | Peter Kokot <peterkokot@gmail.com> | 2018-07-26 15:54:20 +0200 |
| commit | 27efe2db1b0988303e46bd5dda65ff9ec12de18b (patch) | |
| tree | 79da0613ed4c5ea1f8bb2807f99ec6a9fad44fb1 /m4/ax_cxx_template_scoped_argument_matching.m4 | |
| parent | 72e8def2648d7d05daa95d533079e7373b7218d7 (diff) | |
| download | autoconf-archive-27efe2db1b0988303e46bd5dda65ff9ec12de18b.tar.gz | |
Replace AC_TRY_COMPILE and AC_LANG_
Autoconf 2.50 in 2001 made several macros obsolete. These include macros
for temporary changing the language - AC_LANG_SAVE, AC_LANG_CPLUSPLUS,
AC_LANG_C, and AC_LANG_RESTORE. Instead of these the AC_LANG_PUSH and
AC_LANG_POP macros should be used with later Autoconf versions.
AC_TRY_COMPILE macros should be replaced with AC_COMPILE_IFELSE.
Refs:
- http://git.savannah.gnu.org/cgit/autoconf.git/tree/NEWS
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Language-Choice.html
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html
Diffstat (limited to 'm4/ax_cxx_template_scoped_argument_matching.m4')
| -rw-r--r-- | m4/ax_cxx_template_scoped_argument_matching.m4 | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/m4/ax_cxx_template_scoped_argument_matching.m4 b/m4/ax_cxx_template_scoped_argument_matching.m4 index 126f11d..d284c2f 100644 --- a/m4/ax_cxx_template_scoped_argument_matching.m4 +++ b/m4/ax_cxx_template_scoped_argument_matching.m4 @@ -21,25 +21,24 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 7 +#serial 8 AU_ALIAS([AC_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING], [AX_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING]) AC_DEFUN([AX_CXX_TEMPLATE_SCOPED_ARGUMENT_MATCHING], [AC_CACHE_CHECK(whether the compiler supports function matching with argument types which are template scope-qualified, ax_cv_cxx_template_scoped_argument_matching, [AC_REQUIRE([AX_CXX_TYPENAME]) - AC_LANG_SAVE - AC_LANG_CPLUSPLUS - AC_TRY_COMPILE([ + AC_LANG_PUSH([C++]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ #ifndef HAVE_TYPENAME #define typename #endif template<class X> class A { public : typedef X W; }; template<class Y> class B {}; template<class Y> void operator+(B<Y> d1, typename Y::W d2) {} -],[B<A<float> > z; z + 0.5f; return 0;], - ax_cv_cxx_template_scoped_argument_matching=yes, ax_cv_cxx_template_scoped_argument_matching=no) - AC_LANG_RESTORE +]], [[B<A<float> > z; z + 0.5f; return 0;]])], + [ax_cv_cxx_template_scoped_argument_matching=yes], [ax_cv_cxx_template_scoped_argument_matching=no]) + AC_LANG_POP([C++]) ]) if test "$ax_cv_cxx_template_scoped_argument_matching" = yes; then AC_DEFINE(HAVE_TEMPLATE_SCOPED_ARGUMENT_MATCHING,, |