1dnl AX_MALLOC_ATTRIBUTE - see if gcc will take __attribute__((malloc)) 2AC_DEFUN([AX_MALLOC_ATTRIBUTE], 3[ 4AC_MSG_CHECKING([whether malloc attribute is understood]) 5SAVE_CFLAGS=$CFLAGS 6CFLAGS="-Werror $CFLAGS" 7AC_TRY_COMPILE(,[ 8void monkey() __attribute__((malloc)); 9],AC_MSG_RESULT([yes]); AC_DEFINE(MALLOC_ATTRIBUTE_OK, 1, [whether malloc attribute is understood]), AC_MSG_RESULT([no])) 10CFLAGS=$SAVE_CFLAGS 11] 12) 13