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freebsd-nq/share/mk/bsd.prog.mk
Ed Maste 1460870880 Avoid retpolineplt with static linking 
Statically linked binaries linked with -zretpolineplt crash at startup
as lld produces a broken PLT.

PR:		233336
Sponsored by:	The FreeBSD Foundation
2018-11-19 20:48:47 +00:00

333 lines
7.8 KiB
Makefile
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# from: @(#)bsd.prog.mk 5.26 (Berkeley) 6/25/91
# $FreeBSD$
.include <bsd.init.mk>
.include <bsd.compiler.mk>
.SUFFIXES: .out .o .bc .c .cc .cpp .cxx .C .m .y .l .ll .ln .s .S .asm
# XXX The use of COPTS in modern makefiles is discouraged.
.if defined(COPTS)
.warning ${.CURDIR}: COPTS should be CFLAGS.
CFLAGS+=${COPTS}
.endif
.if ${MK_ASSERT_DEBUG} == "no"
CFLAGS+= -DNDEBUG
NO_WERROR=
.endif
.if defined(DEBUG_FLAGS)
CFLAGS+=${DEBUG_FLAGS}
CXXFLAGS+=${DEBUG_FLAGS}
.if ${MK_CTF} != "no" && ${DEBUG_FLAGS:M-g} != ""
CTFFLAGS+= -g
.endif
.endif
.if defined(PROG_CXX)
PROG= ${PROG_CXX}
.endif
.if !empty(LDFLAGS:M-Wl,*--oformat,*) || !empty(LDFLAGS:M-static)
MK_DEBUG_FILES= no
.endif
# ELF hardening knobs
.if ${MK_BIND_NOW} != "no"
LDFLAGS+= -Wl,-znow
.endif
.if ${MK_RETPOLINE} != "no"
CFLAGS+= -mretpoline
CXXFLAGS+= -mretpoline
# retpolineplt is broken with static linking (PR 233336)
.if !defined(NO_SHARED) || ${NO_SHARED} == "no" || ${NO_SHARED} == "NO"
LDFLAGS+= -Wl,-zretpolineplt
.endif
.endif
.if defined(CRUNCH_CFLAGS)
CFLAGS+=${CRUNCH_CFLAGS}
.else
.if ${MK_DEBUG_FILES} != "no" && empty(DEBUG_FLAGS:M-g) && \
empty(DEBUG_FLAGS:M-gdwarf-*)
CFLAGS+= ${DEBUG_FILES_CFLAGS}
CTFFLAGS+= -g
.endif
.endif
.if !defined(DEBUG_FLAGS)
STRIP?= -s
.endif
.if defined(NO_ROOT)
.if !defined(TAGS) || ! ${TAGS:Mpackage=*}
TAGS+= package=${PACKAGE:Uruntime}
.endif
TAG_ARGS= -T ${TAGS:[*]:S/ /,/g}
.endif
.if defined(NO_SHARED) && (${NO_SHARED} != "no" && ${NO_SHARED} != "NO")
LDFLAGS+= -static
.endif
.if ${MK_DEBUG_FILES} != "no"
PROG_FULL=${PROG}.full
# Use ${DEBUGDIR} for base system debug files, else .debug subdirectory
.if defined(BINDIR) && (\
${BINDIR} == "/bin" ||\
${BINDIR:C%/libexec(/.*)?%/libexec%} == "/libexec" ||\
${BINDIR} == "/sbin" ||\
${BINDIR:C%/usr/(bin|bsdinstall|libexec|lpr|sendmail|sm.bin|sbin|tests)(/.*)?%/usr/bin%} == "/usr/bin" ||\
${BINDIR} == "/usr/lib" \
)
DEBUGFILEDIR= ${DEBUGDIR}${BINDIR}
.else
DEBUGFILEDIR?= ${BINDIR}/.debug
.endif
.if !exists(${DESTDIR}${DEBUGFILEDIR})
DEBUGMKDIR=
.endif
.else
PROG_FULL= ${PROG}
.endif
.if defined(PROG)
PROGNAME?= ${PROG}
.if defined(SRCS)
OBJS+= ${SRCS:N*.h:${OBJS_SRCS_FILTER:ts:}:S/$/.o/g}
# LLVM bitcode / textual IR representations of the program
BCOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.bco/g}
LLOBJS+=${SRCS:N*.[hsS]:N*.asm:${OBJS_SRCS_FILTER:ts:}:S/$/.llo/g}
.if target(beforelinking)
beforelinking: ${OBJS}
${PROG_FULL}: beforelinking
.endif
${PROG_FULL}: ${OBJS}
.if defined(PROG_CXX)
${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
${OBJS} ${LDADD}
.else
${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
${LDADD}
.endif
.if ${MK_CTF} != "no"
${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
.endif
.else # !defined(SRCS)
.if !target(${PROG})
.if defined(PROG_CXX)
SRCS= ${PROG}.cc
.else
SRCS= ${PROG}.c
.endif
# Always make an intermediate object file because:
# - it saves time rebuilding when only the library has changed
# - the name of the object gets put into the executable symbol table instead of
# the name of a variable temporary object.
# - it's useful to keep objects around for crunching.
OBJS+= ${PROG}.o
BCOBJS+= ${PROG}.bc
LLOBJS+= ${PROG}.ll
CLEANFILES+= ${PROG}.o ${PROG}.bc ${PROG}.ll
.if target(beforelinking)
beforelinking: ${OBJS}
${PROG_FULL}: beforelinking
.endif
${PROG_FULL}: ${OBJS}
.if defined(PROG_CXX)
${CXX:N${CCACHE_BIN}} ${CXXFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} \
${OBJS} ${LDADD}
.else
${CC:N${CCACHE_BIN}} ${CFLAGS:N-M*} ${LDFLAGS} -o ${.TARGET} ${OBJS} \
${LDADD}
.endif
.if ${MK_CTF} != "no"
${CTFMERGE} ${CTFFLAGS} -o ${.TARGET} ${OBJS}
.endif
.endif # !target(${PROG})
.endif # !defined(SRCS)
.if ${MK_DEBUG_FILES} != "no"
${PROG}: ${PROG_FULL} ${PROGNAME}.debug
${OBJCOPY} --strip-debug --add-gnu-debuglink=${PROGNAME}.debug \
${PROG_FULL} ${.TARGET}
${PROGNAME}.debug: ${PROG_FULL}
${OBJCOPY} --only-keep-debug ${PROG_FULL} ${.TARGET}
.endif
.if defined(LLVM_LINK)
${PROG_FULL}.bc: ${BCOBJS}
${LLVM_LINK} -o ${.TARGET} ${BCOBJS}
${PROG_FULL}.ll: ${LLOBJS}
${LLVM_LINK} -S -o ${.TARGET} ${LLOBJS}
CLEANFILES+= ${PROG_FULL}.bc ${PROG_FULL}.ll
.endif # defined(LLVM_LINK)
.if ${MK_MAN} != "no" && !defined(MAN) && \
!defined(MAN1) && !defined(MAN2) && !defined(MAN3) && \
!defined(MAN4) && !defined(MAN5) && !defined(MAN6) && \
!defined(MAN7) && !defined(MAN8) && !defined(MAN9)
MAN= ${PROG}.1
MAN1= ${MAN}
.endif
.endif # defined(PROG)
.if defined(_SKIP_BUILD)
all:
.else
all: ${PROG} ${SCRIPTS}
.if ${MK_MAN} != "no"
all: all-man
.endif
.endif
.if defined(PROG)
CLEANFILES+= ${PROG} ${PROG}.bc ${PROG}.ll
.if ${MK_DEBUG_FILES} != "no"
CLEANFILES+= ${PROG_FULL} ${PROGNAME}.debug
.endif
.endif
.if defined(OBJS)
CLEANFILES+= ${OBJS} ${BCOBJS} ${LLOBJS}
.endif
.include <bsd.libnames.mk>
.if defined(PROG)
.if !defined(NO_EXTRADEPEND)
_EXTRADEPEND:
.if defined(LDFLAGS) && !empty(LDFLAGS:M-nostdlib)
.if defined(DPADD) && !empty(DPADD)
echo ${PROG_FULL}: ${DPADD} >> ${DEPENDFILE}
.endif
.else
echo ${PROG_FULL}: ${LIBC} ${DPADD} >> ${DEPENDFILE}
.if defined(PROG_CXX)
.if ${COMPILER_TYPE} == "clang" && empty(CXXFLAGS:M-stdlib=libstdc++)
echo ${PROG_FULL}: ${LIBCPLUSPLUS} >> ${DEPENDFILE}
.else
echo ${PROG_FULL}: ${LIBSTDCPLUSPLUS} >> ${DEPENDFILE}
.endif
.endif
.endif
.endif # !defined(NO_EXTRADEPEND)
.endif
.if !target(install)
.if defined(PRECIOUSPROG)
.if !defined(NO_FSCHG)
INSTALLFLAGS+= -fschg
.endif
INSTALLFLAGS+= -S
.endif
_INSTALLFLAGS:= ${INSTALLFLAGS}
.for ie in ${INSTALLFLAGS_EDIT}
_INSTALLFLAGS:= ${_INSTALLFLAGS${ie}}
.endfor
.if !target(realinstall) && !defined(INTERNALPROG)
realinstall: _proginstall
.ORDER: beforeinstall _proginstall
_proginstall:
.if defined(PROG)
${INSTALL} ${TAG_ARGS} ${STRIP} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \
${_INSTALLFLAGS} ${PROG} ${DESTDIR}${BINDIR}/${PROGNAME}
.if ${MK_DEBUG_FILES} != "no"
.if defined(DEBUGMKDIR)
${INSTALL} ${TAG_ARGS:D${TAG_ARGS},debug} -d ${DESTDIR}${DEBUGFILEDIR}/
.endif
${INSTALL} ${TAG_ARGS:D${TAG_ARGS},debug} -o ${BINOWN} -g ${BINGRP} -m ${DEBUGMODE} \
${PROGNAME}.debug ${DESTDIR}${DEBUGFILEDIR}/${PROGNAME}.debug
.endif
.endif
.endif # !target(realinstall)
.if defined(SCRIPTS) && !empty(SCRIPTS)
realinstall: _scriptsinstall
.ORDER: beforeinstall _scriptsinstall
SCRIPTSDIR?= ${BINDIR}
SCRIPTSOWN?= ${BINOWN}
SCRIPTSGRP?= ${BINGRP}
SCRIPTSMODE?= ${BINMODE}
STAGE_AS_SETS+= scripts
stage_as.scripts: ${SCRIPTS}
FLAGS.stage_as.scripts= -m ${SCRIPTSMODE}
STAGE_FILES_DIR.scripts= ${STAGE_OBJTOP}
.for script in ${SCRIPTS}
.if defined(SCRIPTSNAME)
SCRIPTSNAME_${script:T}?= ${SCRIPTSNAME}
.else
SCRIPTSNAME_${script:T}?= ${script:T:R}
.endif
SCRIPTSDIR_${script:T}?= ${SCRIPTSDIR}
SCRIPTSOWN_${script:T}?= ${SCRIPTSOWN}
SCRIPTSGRP_${script:T}?= ${SCRIPTSGRP}
SCRIPTSMODE_${script:T}?= ${SCRIPTSMODE}
STAGE_AS_${script:T}= ${SCRIPTSDIR_${script:T}}/${SCRIPTSNAME_${script:T}}
_scriptsinstall: _SCRIPTSINS_${script:T}
_SCRIPTSINS_${script:T}: ${script}
${INSTALL} ${TAG_ARGS} -o ${SCRIPTSOWN_${.ALLSRC:T}} \
-g ${SCRIPTSGRP_${.ALLSRC:T}} -m ${SCRIPTSMODE_${.ALLSRC:T}} \
${.ALLSRC} \
${DESTDIR}${SCRIPTSDIR_${.ALLSRC:T}}/${SCRIPTSNAME_${.ALLSRC:T}}
.endfor
.endif
NLSNAME?= ${PROG}
.include <bsd.nls.mk>
.include <bsd.confs.mk>
.include <bsd.files.mk>
.include <bsd.incs.mk>
LINKOWN?= ${BINOWN}
LINKGRP?= ${BINGRP}
LINKMODE?= ${BINMODE}
.include <bsd.links.mk>
.if ${MK_MAN} != "no"
realinstall: maninstall
.ORDER: beforeinstall maninstall
.endif
.endif # !target(install)
.if ${MK_MAN} != "no"
.include <bsd.man.mk>
.endif
.if defined(HAS_TESTS)
MAKE+= MK_MAKE_CHECK_USE_SANDBOX=yes
SUBDIR_TARGETS+= check
TESTS_LD_LIBRARY_PATH+= ${.OBJDIR}
TESTS_PATH+= ${.OBJDIR}
.endif
.if defined(PROG)
OBJS_DEPEND_GUESS+= ${SRCS:M*.h}
.endif
.include <bsd.dep.mk>
.include <bsd.clang-analyze.mk>
.include <bsd.obj.mk>
.include <bsd.sys.mk>
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