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| author |   Michał Górny <mgorny@gentoo.org> | 2018-02-19 06:50:18 +0100 |
|---|---|---|
| committer | Michał Górny <mgorny@gentoo.org> | 2018-02-19 06:50:18 +0100 |
| commit | 24c0098b3bd3b118774b6915c4eb217063dc4376 (patch) | |
| tree | 2fc7d372311289a7a735bbb36c4b103bc7b3e929 /m4/ax_compiler_flags_cflags.m4 | |
| parent | tests: Add a test for LD_PRELOAD non-preserving (SANDBOX_ON=0) (diff) | |
| download | sandbox-24c0098b3bd3b118774b6915c4eb217063dc4376.tar.gz sandbox-24c0098b3bd3b118774b6915c4eb217063dc4376.tar.bz2 sandbox-24c0098b3bd3b118774b6915c4eb217063dc4376.zip | |
Update autotools filesv2.13
Diffstat (limited to 'm4/ax_compiler_flags_cflags.m4')
| -rw-r--r-- | m4/ax_compiler_flags_cflags.m4 | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/m4/ax_compiler_flags_cflags.m4 b/m4/ax_compiler_flags_cflags.m4 index 295d7fe..aeb16e3 100644 --- a/m4/ax_compiler_flags_cflags.m4 +++ b/m4/ax_compiler_flags_cflags.m4 @@ -1,6 +1,6 @@ -# ============================================================================ -# http://www.gnu.org/software/autoconf-archive/ax_compiler_flags_cflags.html -# ============================================================================ +# ============================================================================= +# https://www.gnu.org/software/autoconf-archive/ax_compiler_flags_cflags.html +# ============================================================================= # # SYNOPSIS # @@ -25,15 +25,16 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 8 +#serial 14 AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[ + AC_REQUIRE([AC_PROG_SED]) AX_REQUIRE_DEFINED([AX_APPEND_COMPILE_FLAGS]) AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG]) # Variable names - m4_define(ax_warn_cflags_variable, + m4_define([ax_warn_cflags_variable], [m4_normalize(ifelse([$1],,[WARN_CFLAGS],[$1]))]) AC_LANG_PUSH([C]) @@ -49,6 +50,13 @@ AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[ ax_compiler_flags_test="" ]) + # Check that -Wno-suggest-attribute=format is supported + AX_CHECK_COMPILE_FLAG([-Wno-suggest-attribute=format],[ + ax_compiler_no_suggest_attribute_flags="-Wno-suggest-attribute=format" + ],[ + ax_compiler_no_suggest_attribute_flags="" + ]) + # Base flags AX_APPEND_COMPILE_FLAGS([ dnl -fno-strict-aliasing dnl @@ -100,14 +108,14 @@ AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[ ]) AS_IF([test "$ax_enable_compile_warnings" = "error"],[ # "error" flags; -Werror has to be appended unconditionally because - # it’s not possible to test for + # it's not possible to test for # # suggest-attribute=format is disabled because it gives too many false # positives AX_APPEND_FLAG([-Werror],ax_warn_cflags_variable) AX_APPEND_COMPILE_FLAGS([ dnl - -Wno-suggest-attribute=format dnl + [$ax_compiler_no_suggest_attribute_flags] dnl ],ax_warn_cflags_variable,[$ax_compiler_flags_test]) ]) @@ -119,7 +127,7 @@ AC_DEFUN([AX_COMPILER_FLAGS_CFLAGS],[ AS_CASE([$flag], [-Wno-*=*],[], [-Wno-*],[ - AX_APPEND_COMPILE_FLAGS([-Wno-error=${flag:5}], + AX_APPEND_COMPILE_FLAGS([-Wno-error=$(AS_ECHO([$flag]) | $SED 's/^-Wno-//')], ax_warn_cflags_variable, [$ax_compiler_flags_test]) ]) |