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comparison src/libsndfile-1.0.27/M4/add_cflags.m4 @ 125:cd6cdf86811e
Current libsndfile source
| author | Chris Cannam <cannam@all-day-breakfast.com> |
|---|---|
| date | Tue, 18 Oct 2016 13:22:47 +0100 |
| parents | |
| children |
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| 124:e3d5853d5918 | 125:cd6cdf86811e |
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| 1 dnl @synopsis MN_ADD_CFLAGS | |
| 2 dnl | |
| 3 dnl Add the given option to CFLAGS, if it doesn't break the compiler | |
| 4 | |
| 5 AC_DEFUN([MN_ADD_CFLAGS], | |
| 6 [AC_MSG_CHECKING([if $CC accepts $1]) | |
| 7 ac_add_cflags__old_cflags="$CFLAGS" | |
| 8 CFLAGS="$1" | |
| 9 AC_TRY_LINK([ | |
| 10 #include <stdio.h> | |
| 11 ], | |
| 12 [puts("Hello, World!"); return 0;], | |
| 13 AC_MSG_RESULT([yes]) | |
| 14 CFLAGS="$ac_add_cflags__old_cflags $1", | |
| 15 AC_MSG_RESULT([no]) | |
| 16 CFLAGS="$ac_add_cflags__old_cflags" | |
| 17 ) | |
| 18 ])# MN_ADD_CFLAGS |