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freebsd
GitHub Repository: freebsd/freebsd-src
Path: blob/main/share/mk/bsd.debug.mk
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#
# This file configures debug options for compiled targets.  It is meant
# to consolidate common logic in bsd.prog.mk and bsd.lib.mk.  It should
# not be included directly by Makefiles.
#

.include <bsd.opts.mk>

.if ${MK_ASSERT_DEBUG} == "no"
CFLAGS+= -DNDEBUG
# XXX: shouldn't we ensure that !asserts marks potentially unused variables as
# __unused instead of disabling -Werror globally?
MK_WERROR=	no
.endif

# If reproducible build mode is enabled, map the root of the source
# directory to /usr/src and the root of the object directory to
# /usr/obj.
.if ${MK_REPRODUCIBLE_BUILD} != "no" && !defined(DEBUG_PREFIX)
.if defined(SRCTOP)
DEBUG_PREFIX+= ${SRCTOP:S,/$,,}=/usr/src
.endif
.if defined(OBJROOT)
# Strip off compat subdirectories, e.g., /usr/obj/usr/src/amd64.amd64/obj-lib32
# becomes /usr/obj/usr/src/amd64.amd64, since object files compiled there might
# refer to something outside the root.
DEBUG_PREFIX+= ${OBJROOT:S,/$,,:C,/obj-[^/]*$,,}=/usr/obj
.endif
.endif

.if defined(DEBUG_PREFIX)
.for map in ${DEBUG_PREFIX}
CFLAGS+= -ffile-prefix-map=${map}
CXXFLAGS+= -ffile-prefix-map=${map}
.endfor
.endif

.if defined(DEBUG_FLAGS)
CFLAGS+=${DEBUG_FLAGS}
CXXFLAGS+=${DEBUG_FLAGS}

.if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
CTFFLAGS+= -g
.endif
.else
STRIP?= -s
.endif

.if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
    empty(DEBUG_FLAGS:M-gdwarf*)
.if !${COMPILER_FEATURES:Mcompressed-debug}
CFLAGS+= ${DEBUG_FILES_CFLAGS:N-gz*}
CXXFLAGS+= ${DEBUG_FILES_CFLAGS:N-gz*}
.else
CFLAGS+= ${DEBUG_FILES_CFLAGS}
CXXFLAGS+= ${DEBUG_FILES_CFLAGS}
.endif
CTFFLAGS+= -g
.endif

_debuginstall:
.if ${MK_DEBUG_FILES} != "no" && defined(DEBUGFILE)
.if defined(DEBUGMKDIR)
	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -d ${DESTDIR}${DEBUGFILEDIR}/
.endif
	${INSTALL} ${TAG_ARGS:D${TAG_ARGS},dbg} -o ${DEBUGOWN} -g ${DEBUGGRP} -m ${DEBUGMODE} \
	    ${DEBUGFILE} ${DESTDIR}${DEBUGFILEDIR}/${DEBUGFILE}
.endif