Mercurial > hg > sv-dependency-builds
comparison src/libsndfile-1.0.25/M4/add_cxxflags.m4 @ 0:c7265573341e
Import initial set of sources
author | Chris Cannam |
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date | Mon, 18 Mar 2013 14:12:14 +0000 |
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-1:000000000000 | 0:c7265573341e |
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1 dnl @synopsis MN_ADD_CXXFLAGS | |
2 dnl | |
3 dnl Add the given option to CXXFLAGS, if it doesn't break the compiler | |
4 | |
5 AC_DEFUN([MN_ADD_CXXFLAGS], | |
6 [AC_MSG_CHECKING([if $CXX accepts $1]) | |
7 AC_LANG_ASSERT([C++]) | |
8 ac_add_cxxflags__old_cxxflags="$CXXFLAGS" | |
9 CXXFLAGS="$1" | |
10 AC_TRY_LINK([ | |
11 #include <cstdio> | |
12 ], | |
13 [puts("Hello, World!"); return 0;], | |
14 AC_MSG_RESULT([yes]) | |
15 CXXFLAGS="$ac_add_cxxflags__old_cxxflags $1", | |
16 AC_MSG_RESULT([no]) | |
17 CXXFLAGS="$ac_add_cxxflags__old_cxxflags" | |
18 ) | |
19 ])# MN_ADD_CXXFLAGS |