NetBSD/share/mk/bsd.dep.mk
erh 6830ef879f PR toolchain/9618: add ".d" to MKDEP_SUFFIXES so the depend files are rebuilt
if any of their dependencies (i.e. the files they refer to) are changed.
This allows changes to transitive included headers to be handled properly.
2014-12-01 01:34:30 +00:00

112 lines
3.1 KiB
Makefile

# $NetBSD: bsd.dep.mk,v 1.82 2014/12/01 01:34:30 erh Exp $
##### Basic targets
realdepend: beforedepend .depend afterdepend
.ORDER: beforedepend .depend afterdepend
beforedepend .depend afterdepend: # ensure existence
##### Default values
MKDEP?= mkdep
MKDEPCXX?= mkdep
MKDEP_SUFFIXES?= .o .d
##### Build rules
# some of the rules involve .h sources, so remove them from mkdep line
.if defined(SRCS) && !empty(SRCS)
__acpp_flags= ${_ASM_TRADITIONAL_CPP}
.if defined(NODPSRCS)
.for f in ${SRCS} ${DPSRCS}
.if "${NODPSRCS:M${f}}" == ""
__DPSRCS.all+= ${f:C/\.(c|m|s|S|C|cc|cpp|cxx)$/.d/}
.endif
.endfor
beforedepend: ${DPSRCS}
.else
__DPSRCS.all+= ${SRCS:C/\.(c|m|s|S|C|cc|cpp|cxx)$/.d/} \
${DPSRCS:C/\.(c|m|s|S|C|cc|cpp|cxx)$/.d/}
.endif
__DPSRCS.d= ${__DPSRCS.all:O:u:M*.d}
__DPSRCS.notd= ${__DPSRCS.all:O:u:N*.d}
.NOPATH: .depend ${__DPSRCS.d}
.if !empty(__DPSRCS.d) # {
${__DPSRCS.d}: ${__DPSRCS.notd} ${DPSRCS}
.endif # }
MKDEPSUFFLAGS=-s ${MKDEP_SUFFIXES:Q}
.if defined(MKDEPINCLUDES) && ${MKDEPINCLUDES} != "no"
.STALE:
@echo Rebuilding dependency file: ${.ALLSRC}
@rm -f ${.ALLSRC}
@(cd ${.CURDIR} && ${MAKE} depend)
_MKDEP_MERGEFLAGS=-i
_MKDEP_FILEFLAGS=${MKDEPSUFFLAGS}
.else
_MKDEP_MERGEFLAGS=${MKDEPSUFFLAGS}
_MKDEP_FILEFLAGS=
.endif
.depend: ${__DPSRCS.d}
${_MKTARGET_CREATE}
rm -f .depend
${MKDEP} ${_MKDEP_MERGEFLAGS} -d -f ${.TARGET} ${__DPSRCS.d}
.SUFFIXES: .d .s .S .c .C .cc .cpp .cxx .m
.c.d:
${_MKTARGET_CREATE}
${MKDEP} -f ${.TARGET}.tmp ${_MKDEP_FILEFLAGS} -- ${MKDEPFLAGS} \
${CFLAGS:M-std=*} ${CFLAGS:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
${CPPFLAGS} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} \
${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC} && \
mv ${.TARGET}.tmp ${.TARGET}
.m.d:
${_MKTARGET_CREATE}
${MKDEP} -f ${.TARGET}.tmp ${_MKDEP_FILEFLAGS} -- ${MKDEPFLAGS} \
${OBJCFLAGS:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
${CPPFLAGS} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} \
${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC} && \
mv ${.TARGET}.tmp ${.TARGET}
.s.d .S.d:
${_MKTARGET_CREATE}
${MKDEP} -f ${.TARGET}.tmp ${_MKDEP_FILEFLAGS} -- ${MKDEPFLAGS} \
${AFLAGS:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
${CPPFLAGS} ${AFLAGS.${.IMPSRC:T}} ${CPPFLAGS.${.IMPSRC:T}} \
${__acpp_flags} ${.IMPSRC} && \
mv ${.TARGET}.tmp ${.TARGET}
.C.d .cc.d .cpp.d .cxx.d:
${_MKTARGET_CREATE}
${MKDEPCXX} -f ${.TARGET}.tmp ${_MKDEP_FILEFLAGS} -- ${MKDEPFLAGS} \
${CXXFLAGS:M-std=*} ${CXXFLAGS:C/-([IDU])[ ]*/-\1/Wg:M-[IDU]*} \
${CPPFLAGS} ${COPTS.${.IMPSRC:T}} ${CPUFLAGS.${.IMPSRC:T}} \
${CPPFLAGS.${.IMPSRC:T}} ${.IMPSRC} && \
mv ${.TARGET}.tmp ${.TARGET}
.endif # defined(SRCS) && !empty(SRCS) # }
##### Clean rules
.if defined(SRCS) && !empty(SRCS)
CLEANDIRFILES+= .depend ${__DPSRCS.d} ${__DPSRCS.d:.d=.d.tmp} ${.CURDIR}/tags ${CLEANDEPEND}
.endif
##### Custom rules
.if !target(tags)
tags: ${SRCS}
.if defined(SRCS) && !empty(SRCS)
${_MKTARGET_CREATE}
-cd "${.CURDIR}"; ctags -f /dev/stdout ${.ALLSRC:N*.h} | \
${TOOL_SED} "s;\${.CURDIR}/;;" > tags
.endif
.endif
##### Pull in related .mk logic
.include <bsd.clean.mk>