From 1e09fe160316754199646d6d16183ef4b1981f0e Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Tue, 23 Oct 2018 00:12:11 +0200 Subject: [PATCH] std-gnu11: Support Autoconf versions < 2.64. * m4/std-gnu11.m4 (AC_PROG_CC, AC_PROG_CXX): Use _AC_DO as fallback when _AC_DO_LIMIT does not exist. --- ChangeLog | 6 ++++++ m4/std-gnu11.m4 | 4 ++-- 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/ChangeLog b/ChangeLog index 7dbfd38102..3581249304 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2018-10-22 Bruno Haible + std-gnu11: Support Autoconf versions < 2.64. + * m4/std-gnu11.m4 (AC_PROG_CC, AC_PROG_CXX): Use _AC_DO as fallback + when _AC_DO_LIMIT does not exist. + +2018-10-22 Bruno Haible + Assume Autoconf >= 2.63. * DEPENDENCIES: Mention the requirement. diff --git a/m4/std-gnu11.m4 b/m4/std-gnu11.m4 index c85ac43015..bae4ed1390 100644 --- a/m4/std-gnu11.m4 +++ b/m4/std-gnu11.m4 @@ -70,7 +70,7 @@ _AS_ECHO_LOG([checking for _AC_LANG compiler version]) set X $ac_compile ac_compiler=$[2] for ac_option in --version -v -V -qversion -version; do - _AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) + m4_ifdef([_AC_DO_LIMIT],[_AC_DO_LIMIT],[_AC_DO])([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) done m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl @@ -135,7 +135,7 @@ _AS_ECHO_LOG([checking for _AC_LANG compiler version]) set X $ac_compile ac_compiler=$[2] for ac_option in --version -v -V -qversion; do - _AC_DO_LIMIT([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) + m4_ifdef([_AC_DO_LIMIT],[_AC_DO_LIMIT],[_AC_DO])([$ac_compiler $ac_option >&AS_MESSAGE_LOG_FD]) done m4_expand_once([_AC_COMPILER_EXEEXT])[]dnl -- 2.11.4.GIT