configure.ac: ensure RM is set

GNU make predefines RM to rm -f but this is not required by POSIX
so ensure that RM is set.  This fixes "make clean" on OpenBSD.

v2: use AC_CHECK_PROG

Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
CC: "10.6 11.0" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
This commit is contained in:
Jonathan Gray 2015-10-10 17:42:40 +11:00 committed by Emil Velikov
parent ee77796a5c
commit 99c4079c37

View file

@ -107,6 +107,8 @@ AC_SYS_LARGEFILE
LT_PREREQ([2.2])
LT_INIT([disable-static])
AC_CHECK_PROG(RM, rm, [rm -f])
AX_PROG_BISON([],
AS_IF([test ! -f "$srcdir/src/glsl/glcpp/glcpp-parse.c"],
[AC_MSG_ERROR([bison not found - unable to compile glcpp-parse.y])]))