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Using lib*.so as a linker script ...

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the paths can be avoided, making the file mobile, so generate during build
and we need to handle staging it.
This commit is contained in:
Simon J. Gerraty 2014-05-16 14:51:19 +00:00
parent 7bbde42e0d
commit f187ca8c90
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/projects/bmake/; revision=266227
2 changed files with 64 additions and 27 deletions
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58
share/mk/bsd.lib.mk
View File

@ -212,10 +212,40 @@ SOLINKOPTS+= -Wl,--fatal-warnings -Wl,--warn-shared-textrel
beforelinking: ${SOBJS}
${SHLIB_NAME_FULL}: beforelinking
.endif
.if defined(SHLIB_LINK)
# ${_SHLIBDIRPREFIX} and ${_LDSCRIPTROOT} are both needed when cross-building
# and when building 32 bits library shims. ${_SHLIBDIRPREFIX} is the directory
# prefix where shared objects will be installed by the install target.
#
# ${_LDSCRIPTROOT} is the directory prefix that will be used when generating
# ld(1) scripts. The crosstools' ld is configured to lookup libraries in an
# alternative directory which is called "sysroot", so during buildworld binaries
# won't be linked against the running system libraries but against the ones of
# the current source tree. ${_LDSCRIPTROOT} behavior is twisted because of
# the location where we store them:
# - 64 bits libs are located under sysroot, so ${_LDSCRIPTROOT} must be empty
# because ld(1) will manage to find them from sysroot;
# - 32 bits shims are not, so ${_LDSCRIPTROOT} is used to specify their full
# path, outside of sysroot.
# Note that ld(1) scripts are generated both during buildworld and
# installworld; in the later case ${_LDSCRIPTROOT} must be obviously empty
# because on the target system, libraries are meant to be looked up from /.
.if defined(SHLIB_LDSCRIPT) && !empty(SHLIB_LDSCRIPT) && exists(${.CURDIR}/${SHLIB_LDSCRIPT})
${SHLIB_LINK:R}.ld: ${.CURDIR}/${SHLIB_LDSCRIPT}
sed -e 's,@@SHLIB@@,${_LDSCRIPTROOT}${_SHLIBDIR}/${SHLIB_NAME},g' \
-e 's,@@LIBDIR@@,${_LDSCRIPTROOT}${_LIBDIR},g' \
-e 's,/[^ ]*/,,g' \
${.ALLSRC} > ${.TARGET}
${SHLIB_NAME_FULL}: ${SHLIB_LINK:R}.ld
.endif
.endif
${SHLIB_NAME_FULL}: ${SOBJS}
@${ECHO} building shared library ${SHLIB_NAME}
@rm -f ${SHLIB_NAME} ${SHLIB_LINK}
.if defined(SHLIB_LINK)
.if defined(SHLIB_LINK) && !commands(${SHLIB_LINK:R}.ld)
@${INSTALL_SYMLINK} ${SHLIB_NAME} ${SHLIB_LINK}
.endif
.if !defined(NM)
@ -329,32 +359,10 @@ _libinstall:
${SHLIB_NAME}.debug ${DESTDIR}${DEBUGFILEDIR}
.endif
.if defined(SHLIB_LINK)
# ${_SHLIBDIRPREFIX} and ${_LDSCRIPTROOT} are both needed when cross-building
# and when building 32 bits library shims. ${_SHLIBDIRPREFIX} is the directory
# prefix where shared objects will be installed by the install target.
#
# ${_LDSCRIPTROOT} is the directory prefix that will be used when generating
# ld(1) scripts. The crosstools' ld is configured to lookup libraries in an
# alternative directory which is called "sysroot", so during buildworld binaries
# won't be linked against the running system libraries but against the ones of
# the current source tree. ${_LDSCRIPTROOT} behavior is twisted because of
# the location where we store them:
# - 64 bits libs are located under sysroot, so ${_LDSCRIPTROOT} must be empty
# because ld(1) will manage to find them from sysroot;
# - 32 bits shims are not, so ${_LDSCRIPTROOT} is used to specify their full
# path, outside of sysroot.
# Note that ld(1) scripts are generated both during buildworld and
# installworld; in the later case ${_LDSCRIPTROOT} must be obviously empty
# because on the target system, libraries are meant to be looked up from /.
.if defined(SHLIB_LDSCRIPT) && !empty(SHLIB_LDSCRIPT) && exists(${.CURDIR}/${SHLIB_LDSCRIPT})
sed -e 's,@@SHLIB@@,${_LDSCRIPTROOT}${_SHLIBDIR}/${SHLIB_NAME},g' \
-e 's,@@LIBDIR@@,${_LDSCRIPTROOT}${_LIBDIR},g' \
${.CURDIR}/${SHLIB_LDSCRIPT} > ${DESTDIR}${_LIBDIR}/${SHLIB_LINK:R}.ld
.if commands(${SHLIB_LINK:R}.ld)
${INSTALL} -S -C -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
${_INSTALLFLAGS} ${DESTDIR}${_LIBDIR}/${SHLIB_LINK:R}.ld \
${_INSTALLFLAGS} ${SHLIB_LINK:R}.ld \
${DESTDIR}${_LIBDIR}/${SHLIB_LINK}
rm -f ${DESTDIR}${_LIBDIR}/${SHLIB_LINK:R}.ld
.else
.if ${_SHLIBDIR} == ${_LIBDIR}
${INSTALL_SYMLINK} ${SHLIB_NAME} ${DESTDIR}${_LIBDIR}/${SHLIB_LINK}

33
share/mk/bsd.sys.mk
View File

@ -168,7 +168,7 @@ PHONY_NOTMAIN+= fetch patch
.else
.PHONY: ${PHONY_NOTMAIN}
.endif
.NOTMAIN: ${PHONY_NOTMAIN}
.NOTMAIN: ${PHONY_NOTMAIN:Nall}
.if !defined(.PARSEDIR)
# this is a no-op
@ -184,6 +184,7 @@ staging stage_libs stage_files stage_as stage_links stage_symlinks:
.else
# allow targets like beforeinstall to be leveraged
DESTDIR= ${STAGE_OBJTOP}
_SHLIBDIRPREFIX= ${STAGE_OBJTOP}
.if commands(beforeinstall)
.if !empty(_LIBS) || ${MK_STAGING_PROG} != "no"
@ -209,14 +210,42 @@ staging: stage_files
.endif
.if !empty(_LIBS) && !defined(INTERNALLIB)
.if defined(SHLIBDIR) && ${SHLIBDIR} != ${LIBDIR} && ${_LIBS:Uno:M*.so.*} != ""
STAGE_SETS+= shlib
STAGE_DIR.shlib= ${STAGE_OBJTOP}${SHLIBDIR}
STAGE_FILES.shlib+= ${_LIBS:M*.so.*}
stage_files.shlib: ${_LIBS:M*.so.*}
.endif
.if defined(SHLIB_LINK) && commands(${SHLIB_LINK:R}.ld)
_LDSCRIPTROOT?= ${STAGE_OBJTOP}
STAGE_AS_SETS+= ldscript
STAGE_AS.ldscript+= ${SHLIB_LINK:R}.ld
stage_as.ldscript: ${SHLIB_LINK:R}.ld
STAGE_DIR.ldscript = ${STAGE_LIBDIR}
STAGE_AS_${SHLIB_LINK:R}.ld:= ${SHLIB_LINK}
NO_SHLIB_LINKS=
.endif
.if target(stage_files.shlib)
stage_libs: ${_LIBS}
.if defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols)
stage_files.shlib: ${SHLIB_NAME}.symbols
.endif
.else
stage_libs: ${_LIBS}
.endif
.if defined(SHLIB_NAME) && defined(DEBUG_FLAGS) && target(${SHLIB_NAME}.symbols)
stage_libs: ${SHLIB_NAME}.symbols
.endif
.endif
.if !empty(INCS) || !empty(INCSGROUPS) && target(buildincludes)
beforebuild: buildincludes
.if !defined(NO_BEFOREBUILD_INCLUDES)
stage_includes: buildincludes
beforebuild: stage_includes
.endif
.endif
.for t in stage_libs stage_files stage_as