| 1 |
# =========================================================================== |
| 2 |
# http://www.gnu.org/software/autoconf-archive/ax_append_compile_flags.html |
| 3 |
# =========================================================================== |
| 4 |
# |
| 5 |
# SYNOPSIS |
| 6 |
# |
| 7 |
# AX_APPEND_COMPILE_FLAGS([FLAG1 FLAG2 ...], [FLAGS-VARIABLE], [EXTRA-FLAGS]) |
| 8 |
# |
| 9 |
# DESCRIPTION |
| 10 |
# |
| 11 |
# For every FLAG1, FLAG2 it is checked whether the compiler works with the |
| 12 |
# flag. If it does, the flag is added FLAGS-VARIABLE |
| 13 |
# |
| 14 |
# If FLAGS-VARIABLE is not specified, the current language's flags (e.g. |
| 15 |
# CFLAGS) is used. During the check the flag is always added to the |
| 16 |
# current language's flags. |
| 17 |
# |
| 18 |
# If EXTRA-FLAGS is defined, it is added to the current language's default |
| 19 |
# flags (e.g. CFLAGS) when the check is done. The check is thus made with |
| 20 |
# the flags: "CFLAGS EXTRA-FLAGS FLAG". This can for example be used to |
| 21 |
# force the compiler to issue an error when a bad flag is given. |
| 22 |
# |
| 23 |
# NOTE: This macro depends on the AX_APPEND_FLAG and |
| 24 |
# AX_CHECK_COMPILE_FLAG. Please keep this macro in sync with |
| 25 |
# AX_APPEND_LINK_FLAGS. |
| 26 |
# |
| 27 |
# LICENSE |
| 28 |
# |
| 29 |
# Copyright (c) 2011 Maarten Bosmans <mkbosmans@gmail.com> |
| 30 |
# |
| 31 |
# This program is free software: you can redistribute it and/or modify it |
| 32 |
# under the terms of the GNU General Public License as published by the |
| 33 |
# Free Software Foundation, either version 3 of the License, or (at your |
| 34 |
# option) any later version. |
| 35 |
# |
| 36 |
# This program is distributed in the hope that it will be useful, but |
| 37 |
# WITHOUT ANY WARRANTY; without even the implied warranty of |
| 38 |
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General |
| 39 |
# Public License for more details. |
| 40 |
# |
| 41 |
# You should have received a copy of the GNU General Public License along |
| 42 |
# with this program. If not, see <http://www.gnu.org/licenses/>. |
| 43 |
# |
| 44 |
# As a special exception, the respective Autoconf Macro's copyright owner |
| 45 |
# gives unlimited permission to copy, distribute and modify the configure |
| 46 |
# scripts that are the output of Autoconf when processing the Macro. You |
| 47 |
# need not follow the terms of the GNU General Public License when using |
| 48 |
# or distributing such scripts, even though portions of the text of the |
| 49 |
# Macro appear in them. The GNU General Public License (GPL) does govern |
| 50 |
# all other use of the material that constitutes the Autoconf Macro. |
| 51 |
# |
| 52 |
# This special exception to the GPL applies to versions of the Autoconf |
| 53 |
# Macro released by the Autoconf Archive. When you make and distribute a |
| 54 |
# modified version of the Autoconf Macro, you may extend this special |
| 55 |
# exception to the GPL to apply to your modified version as well. |
| 56 |
|
| 57 |
#serial 4 |
| 58 |
|
| 59 |
AC_DEFUN([AX_APPEND_COMPILE_FLAGS], |
| 60 |
[AX_REQUIRE_DEFINED([AX_CHECK_COMPILE_FLAG]) |
| 61 |
AX_REQUIRE_DEFINED([AX_APPEND_FLAG]) |
| 62 |
for flag in $1; do |
| 63 |
AX_CHECK_COMPILE_FLAG([$flag], [AX_APPEND_FLAG([$flag], [$2])], [], [$3]) |
| 64 |
done |
| 65 |
])dnl AX_APPEND_COMPILE_FLAGS |
