xref: /freebsd/contrib/bmake/mk/compiler.mk (revision 5bb3134a8c21cb87b30e135ef168483f0333dabb)
1# $Id: compiler.mk,v 1.7 2020/08/19 17:51:53 sjg Exp $
2#
3#	@(#) Copyright (c) 2019, Simon J. Gerraty
4#
5#	This file is provided in the hope that it will
6#	be of use.  There is absolutely NO WARRANTY.
7#	Permission to copy, redistribute or otherwise
8#	use this file is hereby granted provided that
9#	the above copyright notice and this notice are
10#	left intact.
11#
12#	Please send copies of changes and bug-fixes to:
13#	sjg@crufty.net
14#
15
16.if !target(__${.PARSEFILE}__)
17__${.PARSEFILE}__:
18
19.if ${MACHINE} == "common"
20COMPILER_TYPE = none
21COMPILER_VERSION = 0
22.endif
23.if empty(COMPILER_TYPE) || empty(COMPILER_VERSION)
24# gcc does not always say gcc
25_v != ${CC} --version 2> /dev/null | \
26	egrep -i 'clang|cc|[1-9]\.[0-9]|Free Software Foundation'
27.if empty(COMPILER_TYPE)
28.if ${_v:Mclang} != ""
29COMPILER_TYPE = clang
30.elif ${_v:M[Gg][Cc][Cc]} != "" || ${_v:MFoundation*} != ""
31COMPILER_TYPE = gcc
32.endif
33.endif
34.if empty(COMPILER_VERSION)
35COMPILER_VERSION != echo "${_v:M[1-9].[0-9]*}:[1]" | \
36	awk -F. '{print $$1 * 10000 + $$2 * 100 + $$3;}'
37.endif
38.undef _v
39.endif
40# just in case we don't recognize compiler
41COMPILER_TYPE ?= unknown
42COMPILER_VERSION ?= 0
43.endif
44