1*cc4ad7daSAndroid Build Coastguard Worker# Copyright (c) 2015 Lucas De Marchi <[email protected]> 2*cc4ad7daSAndroid Build Coastguard Worker# 3*cc4ad7daSAndroid Build Coastguard Worker# This program is free software: you can redistribute it and/or modify it 4*cc4ad7daSAndroid Build Coastguard Worker# under the terms of the GNU General Public License as published by the 5*cc4ad7daSAndroid Build Coastguard Worker# Free Software Foundation, either version 2 of the License, or (at your 6*cc4ad7daSAndroid Build Coastguard Worker# option) any later version. 7*cc4ad7daSAndroid Build Coastguard Worker# 8*cc4ad7daSAndroid Build Coastguard Worker# This program is distributed in the hope that it will be useful, but 9*cc4ad7daSAndroid Build Coastguard Worker# WITHOUT ANY WARRANTY; without even the implied warranty of 10*cc4ad7daSAndroid Build Coastguard Worker# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General 11*cc4ad7daSAndroid Build Coastguard Worker# Public License for more details. 12*cc4ad7daSAndroid Build Coastguard Worker# 13*cc4ad7daSAndroid Build Coastguard Worker# You should have received a copy of the GNU General Public License along 14*cc4ad7daSAndroid Build Coastguard Worker# with this program. If not, see <http://www.gnu.org/licenses/>. 15*cc4ad7daSAndroid Build Coastguard Worker# 16*cc4ad7daSAndroid Build Coastguard Worker# As a special exception, the respective Autoconf Macro's copyright owner 17*cc4ad7daSAndroid Build Coastguard Worker# gives unlimited permission to copy, distribute and modify the configure 18*cc4ad7daSAndroid Build Coastguard Worker# scripts that are the output of Autoconf when processing the Macro. You 19*cc4ad7daSAndroid Build Coastguard Worker# need not follow the terms of the GNU General Public License when using 20*cc4ad7daSAndroid Build Coastguard Worker# or distributing such scripts, even though portions of the text of the 21*cc4ad7daSAndroid Build Coastguard Worker# Macro appear in them. The GNU General Public License (GPL) does govern 22*cc4ad7daSAndroid Build Coastguard Worker# all other use of the material that constitutes the Autoconf Macro. 23*cc4ad7daSAndroid Build Coastguard Worker# 24*cc4ad7daSAndroid Build Coastguard Worker# This special exception to the GPL applies to versions of the Autoconf 25*cc4ad7daSAndroid Build Coastguard Worker# Macro released by the Autoconf Archive. When you make and distribute a 26*cc4ad7daSAndroid Build Coastguard Worker# modified version of the Autoconf Macro, you may extend this special 27*cc4ad7daSAndroid Build Coastguard Worker# exception to the GPL to apply to your modified version as well. 28*cc4ad7daSAndroid Build Coastguard Worker# 29*cc4ad7daSAndroid Build Coastguard Worker# CC_FEATURE_APPEND([FLAGS], [ENV-TO-CHECK], [FLAG-NAME]) 30*cc4ad7daSAndroid Build Coastguard WorkerAC_DEFUN([CC_FEATURE_APPEND], [ 31*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_PUSHDEF([FLAGS], [$1])dnl 32*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_PUSHDEF([ENV_CHECK], [$2])dnl 33*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_PUSHDEF([FLAG_NAME], [$3])dnl 34*cc4ad7daSAndroid Build Coastguard Worker 35*cc4ad7daSAndroid Build Coastguard Worker AS_CASE([" AS_VAR_GET(FLAGS) " ], 36*cc4ad7daSAndroid Build Coastguard Worker [*" FLAG_NAME "*], [AC_RUN_LOG([: FLAGS already contains FLAG_NAME])], 37*cc4ad7daSAndroid Build Coastguard Worker [ 38*cc4ad7daSAndroid Build Coastguard Worker AS_IF([test "x$FLAGS" != "x"], [AS_VAR_APPEND(FLAGS, " ")]) 39*cc4ad7daSAndroid Build Coastguard Worker AS_IF([test "x$ENV_CHECK" = "xyes"], 40*cc4ad7daSAndroid Build Coastguard Worker [AS_VAR_APPEND(FLAGS, "+FLAG_NAME")], 41*cc4ad7daSAndroid Build Coastguard Worker [AS_VAR_APPEND(FLAGS, "-FLAG_NAME")]) 42*cc4ad7daSAndroid Build Coastguard Worker ] 43*cc4ad7daSAndroid Build Coastguard Worker ) 44*cc4ad7daSAndroid Build Coastguard Worker 45*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_POPDEF([FLAG_NAME])dnl 46*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_POPDEF([ENV_CHECK])dnl 47*cc4ad7daSAndroid Build Coastguard Worker AS_VAR_POPDEF([FLAGS])dnl 48*cc4ad7daSAndroid Build Coastguard Worker]) 49