| Mike Dodd | 8cfa702 | 2010-11-17 11:12:26 -0800 | [diff] [blame] | 1 | dnl AX_MALLOC_ATTRIBUTE - see if gcc will take __attribute__((malloc)) |
| 2 | AC_DEFUN([AX_MALLOC_ATTRIBUTE], | ||||
| 3 | [ | ||||
| 4 | AC_MSG_CHECKING([whether malloc attribute is understood]) | ||||
| 5 | SAVE_CFLAGS=$CFLAGS | ||||
| 6 | CFLAGS="-Werror $CFLAGS" | ||||
| 7 | AC_TRY_COMPILE(,[ | ||||
| 8 | void monkey() __attribute__((malloc)); | ||||
| 9 | ],AC_MSG_RESULT([yes]); AC_DEFINE(MALLOC_ATTRIBUTE_OK, 1, [whether malloc attribute is understood]), AC_MSG_RESULT([no])) | ||||
| 10 | CFLAGS=$SAVE_CFLAGS | ||||
| 11 | ] | ||||
| 12 | ) | ||||