Makefile revision 1.114
1#	$NetBSD: Makefile,v 1.114 2021/04/11 11:41:27 rillig Exp $
2#	@(#)Makefile	5.2 (Berkeley) 12/28/90
3
4PROG=	make
5SRCS=	arch.c
6SRCS+=  buf.c
7SRCS+=  compat.c
8SRCS+=  cond.c
9SRCS+=  dir.c
10SRCS+=  enum.c
11SRCS+=  for.c
12SRCS+=  hash.c
13SRCS+=  job.c
14SRCS+=  lst.c
15SRCS+=  main.c
16SRCS+=	make.c
17SRCS+=  make_malloc.c
18SRCS+=  metachar.c
19SRCS+=  parse.c
20SRCS+=	str.c
21SRCS+=  suff.c
22SRCS+=  targ.c
23SRCS+=  trace.c
24SRCS+=  var.c
25SRCS+=  util.c
26
27# Whether to generate a coverage report after running the tests.
28USE_COVERAGE?=	no		# works only with gcc; clang9 fails to link
29.if ${USE_COVERAGE} == "yes"
30GCOV?=		gcov
31COPTS+=		--coverage -O0 -ggdb
32GCOV_PERL=	if (/^File '(?:.*\/)?(\S+)'/) {
33GCOV_PERL+=		$$file = $$1; $$func = "";
34GCOV_PERL+=	} elsif (/^Function '(\S+)'/) {
35GCOV_PERL+=		$$func = $$1;
36GCOV_PERL+=	} elsif (/^Lines executed:(\d+\.\d+)% of (\d+)/ && defined($$file)) {
37GCOV_PERL+=		my ($$percent, $$lines) = ($$1, $$2);
38GCOV_PERL+=		my $$uncovered = `grep -c '\#\#\#\#\#:' < \$$(basename $$file.gcov)`;
39GCOV_PERL+=		printf("%7.2f  %4d/%4d  %s%s\n",
40GCOV_PERL+=		    $$percent, $$uncovered, $$lines, $$file, $$func);
41GCOV_PERL+=		$$file = undef;
42GCOV_PERL+=	}
43LDADD+=		--coverage
44.endif
45CLEANFILES+=	*.gcda *.gcno *.gcov
46
47# Whether to compile using the Undefined Behavior Sanitizer (GCC, Clang).
48USE_UBSAN?=	no
49.if ${USE_UBSAN} == "yes"
50COPTS+=		-fsanitize=undefined
51LDADD+=		-fsanitize=undefined
52.endif
53
54# Whether to compile with GCC 10 from pkgsrc, during development.
55USE_GCC10?=	no
56.if ${USE_GCC10} == "yes"
57# CC is set further down in this file
58COPTS+=		-Wno-attributes	# for abs and labs
59COPTS.arch.c+=	-Wno-error=format-truncation
60COPTS.dir.c+=	-Wno-error=format-truncation
61COPTS.main.c+=	-Wno-error=format-truncation
62COPTS.meta.c+=	-Wno-error=format-truncation
63.endif
64
65# Whether to compile with GCC 9 from pkgsrc, during development.
66USE_GCC9?=	no
67.if ${USE_GCC9} == "yes"
68# CC is set further down in this file
69COPTS+=		-Wno-attributes	# for abs and labs
70COPTS.arch.c+=	-Wno-error=format-truncation
71COPTS.dir.c+=	-Wno-error=format-truncation
72COPTS.main.c+=	-Wno-error=format-truncation
73COPTS.meta.c+=	-Wno-error=format-truncation
74.endif
75
76# Whether to compile with GCC 8 from pkgsrc, during development.
77USE_GCC8?=	no
78.if ${USE_GCC8} == "yes"
79# CC is set further down in this file
80COPTS+=		-Wno-attributes	# for abs and labs
81COPTS.arch.c+=	-Wno-error=format-truncation
82COPTS.dir.c+=	-Wno-error=format-truncation
83COPTS.main.c+=	-Wno-error=format-truncation
84COPTS.meta.c+=	-Wno-error=format-truncation
85.endif
86
87USE_META?=	yes
88.if ${USE_META:tl} != "no"
89
90SRCS+=		meta.c
91CPPFLAGS+=	-DUSE_META
92
93USE_FILEMON?=	ktrace
94.  if ${USE_FILEMON:tl} != "no"
95
96.PATH:	${.CURDIR}/filemon
97SRCS+=		filemon_${USE_FILEMON}.c
98CPPFLAGS+=	-DUSE_FILEMON
99CPPFLAGS+=	-DUSE_FILEMON_${USE_FILEMON:tu}
100
101.    if ${USE_FILEMON} == "dev"
102FILEMON_H?=	/usr/include/dev/filemon/filemon.h
103.      if exists(${FILEMON_H}) && ${FILEMON_H:T} == "filemon.h"
104COPTS.filemon_dev.c+= \
105		-DHAVE_FILEMON_H -I${FILEMON_H:H}
106.      endif
107.    endif
108.  endif
109.endif
110
111SUBDIR.roff+=	PSD.doc
112.if make(obj) || make(clean)
113SUBDIR+=	unit-tests
114.endif
115
116LINTFLAGS+=	-T	# strict bool mode, available since 2021-01-11
117CLEANFILES+=	*.o	# for filemon objects
118
119COPTS.arch.c+=	${GCC_NO_FORMAT_TRUNCATION}
120COPTS.dir.c+=	${GCC_NO_FORMAT_TRUNCATION}
121COPTS.job.c+=	-Wno-format-nonliteral
122COPTS.main.c+=	${GCC_NO_FORMAT_TRUNCATION} ${GCC_NO_STRINGOP_TRUNCATION}
123COPTS.meta.c+=	${GCC_NO_FORMAT_TRUNCATION}
124COPTS.parse.c+=	-Wno-format-nonliteral
125COPTS.var.c+=	-Wno-format-nonliteral
126
127CPPFLAGS+=	-DMAKE_NATIVE
128
129.if ${USE_GCC10} == "yes"
130GCC10BASE?=	/usr/pkg/gcc10
131LATE_CC=	${GCC10BASE}/bin/gcc
132GCOV=		${GCC10BASE}/bin/gcov
133.endif
134
135.if ${USE_GCC9} == "yes"
136GCC9BASE?=	/usr/pkg/gcc9
137LATE_CC=	${GCC9BASE}/bin/gcc
138GCOV=		${GCC9BASE}/bin/gcov
139.endif
140
141.if ${USE_GCC8} == "yes"
142GCC8BASE?=	/usr/pkg/gcc8
143LATE_CC=	${GCC8BASE}/bin/gcc
144GCOV=		${GCC8BASE}/bin/gcov
145.endif
146
147.if defined(TOOLDIR)
148# This is a native NetBSD build, use libutil rather than the local emalloc etc.
149CPPFLAGS+=	-DUSE_EMALLOC
150LDADD+=		-lutil
151DPADD+=		${LIBUTIL}
152.endif
153
154COPTS+=		-Wdeclaration-after-statement
155
156# A simple unit-test driver to help catch regressions
157TEST_MAKE ?= ${.OBJDIR}/${PROG:T}
158test: .MAKE
159	cd ${.CURDIR}/unit-tests \
160	&& MAKEFLAGS= ${TEST_MAKE} -r -m / TEST_MAKE=${TEST_MAKE} ${TESTS:DTESTS=${TESTS:Q}} ${.TARGET}
161.if ${USE_COVERAGE} == yes
162	${MAKE} report-coverage
163.endif
164
165accept sync-mi: .MAKE
166	cd ${.CURDIR}/unit-tests && ${.MAKE} ${.TARGET}
167
168retest:
169	${.MAKE} -C ${.CURDIR}/unit-tests cleandir
170.if ${USE_COVERAGE} == yes
171	rm -f *.gcov *.gcda
172.endif
173	${.MAKE} test
174
175# Just out of curiosity, during development.
176.SUFFIXES: .cpre .casm
177.c.cpre:
178	${COMPILE.c:S,^-c$,-E,} ${COPTS.${.IMPSRC}} ${.IMPSRC} -o ${.TARGET}
179.c.casm:
180	${COMPILE.c:S,^-c$,-S,} ${COPTS.${.IMPSRC}} ${.IMPSRC} -o ${.TARGET}
181
182test-coverage: .PHONY
183	@make -s clean cleandir
184	@env USE_COVERAGE=yes COPTS="-O0 -ggdb" USER_CPPFLAGS="-DCLEANUP" \
185		sh -c 'make -s all -j8 && make -s test'
186
187report-coverage: .PHONY
188	@echo 'covered  uncovered  file'
189	@${GCOV} ${GCOV_OPTS} *.gcda 2>&1 \
190	| perl -ne ${GCOV_PERL:Q} \
191	| sort -nr
192	@sed -i 's,^\([^:]*\): *[0-9]*:,\1: ,' *.gcov
193
194.include <bsd.prog.mk>
195.include <bsd.subdir.mk>
196
197# For -DCLEANUP and similar feature toggles.
198CPPFLAGS+=	${USER_CPPFLAGS}
199# For overriding -std=gnu99 or similar options.
200CFLAGS+=	${USER_CFLAGS}
201.if defined(LATE_CC)
202CC=		${LATE_CC}
203.endif
204