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      1 #	$NetBSD: Makefile,v 1.128 2025/01/19 10:57:10 rillig Exp $
      2 #	@(#)Makefile	5.2 (Berkeley) 12/28/90
      3 
      4 PROG=	make
      5 SRCS=	arch.c
      6 SRCS+=  buf.c
      7 SRCS+=  compat.c
      8 SRCS+=  cond.c
      9 SRCS+=  dir.c
     10 SRCS+=  for.c
     11 SRCS+=  hash.c
     12 SRCS+=  job.c
     13 SRCS+=  lst.c
     14 SRCS+=  main.c
     15 SRCS+=	make.c
     16 SRCS+=  make_malloc.c
     17 SRCS+=  metachar.c
     18 SRCS+=  parse.c
     19 SRCS+=	str.c
     20 SRCS+=  suff.c
     21 SRCS+=  targ.c
     22 SRCS+=  trace.c
     23 SRCS+=  var.c
     24 SRCS+=  util.c
     25 WARNS=	6
     26 
     27 # Whether to generate a coverage report after running the tests.
     28 USE_COVERAGE?=	no		# works only with gcc; clang9 fails to link
     29 .if ${USE_COVERAGE} == "yes"
     30 GCOV?=		gcov
     31 CPPFLAGS+=	-DFORK_FUNCTION=fork
     32 COPTS+=		--coverage -O0 -ggdb
     33 GCOV_PERL=	if (/^File '(?:.*\/)?(\S+)'/) {
     34 GCOV_PERL+=		$$file = $$1; $$func = "";
     35 GCOV_PERL+=	} elsif (/^Function '(\S+)'/) {
     36 GCOV_PERL+=		$$func = $$1;
     37 GCOV_PERL+=	} elsif (/^Lines executed:(\d+\.\d+)% of (\d+)/ && defined($$file)) {
     38 GCOV_PERL+=		my ($$percent, $$lines) = ($$1, $$2);
     39 GCOV_PERL+=		my $$uncovered =
     40 GCOV_PERL+=		    $$percent eq '100.00' ? '0'
     41 GCOV_PERL+=		    : $$file =~ /\.h$$/ ? '?'
     42 GCOV_PERL+=		    : `grep -c '\#\#\#\#\#:' < \$$(basename $$file.gcov)`;
     43 GCOV_PERL+=		chomp($$uncovered);
     44 GCOV_PERL+=		printf("%7.2f  %4s/%4d  %s%s\n",
     45 GCOV_PERL+=		    $$percent, $$uncovered, $$lines, $$file, $$func);
     46 GCOV_PERL+=		$$file = undef;
     47 GCOV_PERL+=	}
     48 LDADD+=		--coverage
     49 .endif
     50 CLEANFILES+=	*.gcda *.gcno *.gcov
     51 
     52 # Whether to compile using the Undefined Behavior Sanitizer (GCC, Clang).
     53 USE_UBSAN?=	no
     54 .if ${USE_UBSAN} == "yes"
     55 COPTS+=		-fsanitize=undefined
     56 LDADD+=		-fsanitize=undefined
     57 .endif
     58 
     59 USE_META?=	yes
     60 .if ${USE_META:tl} != "no"
     61 
     62 SRCS+=		meta.c
     63 CPPFLAGS+=	-DUSE_META
     64 
     65 USE_FILEMON?=	ktrace
     66 .  if ${USE_FILEMON:tl} != "no"
     67 
     68 .PATH:	${.CURDIR}/filemon
     69 SRCS+=		filemon_${USE_FILEMON}.c
     70 CPPFLAGS+=	-DUSE_FILEMON
     71 CPPFLAGS+=	-DUSE_FILEMON_${USE_FILEMON:tu}
     72 
     73 .    if ${USE_FILEMON} == "dev"
     74 FILEMON_H?=	/usr/include/dev/filemon/filemon.h
     75 .      if exists(${FILEMON_H}) && ${FILEMON_H:T} == "filemon.h"
     76 COPTS.filemon_dev.c+= \
     77 		-DHAVE_FILEMON_H -I${FILEMON_H:H}
     78 .      endif
     79 .    endif
     80 .  endif
     81 .endif
     82 
     83 SUBDIR.roff+=	PSD.doc
     84 .if make(obj) || make(clean) || make(cleandir)
     85 SUBDIR+=	unit-tests
     86 .endif
     87 
     88 LINTFLAGS+=	-T	# strict bool mode, available since 2021-01-11
     89 LINTFLAGS+=	-w	# treat warnings as errors
     90 CLEANFILES+=	*.o	# for filemon objects
     91 
     92 COPTS.arch.c+=	${CC_WNO_FORMAT_TRUNCATION}
     93 COPTS.dir.c+=	${CC_WNO_FORMAT_TRUNCATION}
     94 COPTS.job.c+=	-Wno-format-nonliteral	# custom shell templates
     95 COPTS.main.c+=	${CC_WNO_FORMAT_TRUNCATION} ${CC_WNO_STRINGOP_TRUNCATION}
     96 COPTS.meta.c+=	${CC_WNO_FORMAT_TRUNCATION}
     97 COPTS.var.c+=	-Wno-format-nonliteral	# strftime
     98 
     99 CPPFLAGS+=	-DMAKE_NATIVE
    100 
    101 .if defined(TOOLDIR)
    102 # This is a native NetBSD build, use libutil rather than the local emalloc etc.
    103 CPPFLAGS+=	-DUSE_EMALLOC
    104 LDADD+=		-lutil
    105 DPADD+=		${LIBUTIL}
    106 .endif
    107 
    108 COPTS+=		-Wdeclaration-after-statement
    109 
    110 # A simple unit-test driver to help catch regressions
    111 TEST_MAKE ?= ${.OBJDIR}/${PROG:T}
    112 test: .MAKE
    113 	cd ${.CURDIR}/unit-tests \
    114 	&& MAKEFLAGS= ${TEST_MAKE} -r -m / TEST_MAKE=${TEST_MAKE} ${TESTS:DTESTS=${TESTS:Q}} ${.TARGET}
    115 .if ${USE_COVERAGE} == yes
    116 	${MAKE} report-coverage
    117 .endif
    118 
    119 accept sync-mi: .MAKE
    120 	cd ${.CURDIR}/unit-tests && ${.MAKE} ${.TARGET}
    121 
    122 retest:
    123 	${.MAKE} -C ${.CURDIR}/unit-tests cleandir
    124 .if ${USE_COVERAGE} == yes
    125 	rm -f *.gcov *.gcda
    126 .endif
    127 	${.MAKE} test
    128 
    129 # Just out of curiosity, during development.
    130 .SUFFIXES: .cpre .casm
    131 .c.cpre:
    132 	${COMPILE.c:S,^-c$,-E,} ${COPTS.${.IMPSRC}} ${.IMPSRC} -o ${.TARGET}
    133 .c.casm:
    134 	${COMPILE.c:S,^-c$,-S,} ${COPTS.${.IMPSRC}} ${.IMPSRC} -o ${.TARGET}
    135 
    136 test-coverage: .PHONY
    137 	@make -s clean cleandir
    138 	@env USE_COVERAGE=yes COPTS="-O0 -ggdb" USER_CPPFLAGS="-DCLEANUP" \
    139 		sh -c 'make -s all -j8 && make -s test'
    140 	@env USE_COVERAGE=yes make report-coverage > coverage.txt
    141 
    142 .if ${USE_COVERAGE} == "yes"
    143 report-coverage: .PHONY
    144 	@echo 'covered  uncovered  file'
    145 	@${GCOV} ${GCOV_OPTS} *.gcda \
    146 	| perl -ne ${GCOV_PERL:Q} \
    147 	| sort -r -k4 \
    148 	| sort -nr -k1
    149 	@sed -i \
    150 	    -e '1d' \
    151 	    -e 's,^\([^:]*\): *[0-9]*:,\1: ,' \
    152 	    -e 's, *$$,,g' \
    153 	    *.gcov
    154 .endif
    155 
    156 .include <bsd.prog.mk>
    157 .include <bsd.subdir.mk>
    158 
    159 # For -DCLEANUP and similar feature toggles.
    160 CPPFLAGS+=	${USER_CPPFLAGS}
    161 # For overriding -std=gnu99 or similar options.
    162 CFLAGS+=	${USER_CFLAGS}
    163