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openwrt-R7800-nss/tools/elfutils/patches/101-shared-conditional.patch
Michael Pratt 52a5344501 tools/elfutils: split upstreamable parts of portability patch 
The addition of LT_INIT as well as the adjustment of
the BUILD_STATIC and addition of the BUILD_SHARED conditionals
and their usage to block building of shared objects
and adjust the variables for building static libraries
is potentially upstream-friendly.

The use of a manifest file to keep a list
of the objects in each library instead of calling ar
is also potentially upstream-friendly.

Separate these changes from the macOS-specific hacks.

Signed-off-by: Michael Pratt <mcpratt@pm.me>
Link: https://github.com/openwrt/openwrt/pull/15690
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-06-19 11:22:13 +02:00

184 lines
6.5 KiB
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--- a/configure.ac
+++ b/configure.ac
@@ -102,6 +102,8 @@ m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_CHECK_TOOL([READELF], [readelf])
AC_CHECK_TOOL([NM], [nm])
+LT_INIT([shared disable-static])
+
AC_CACHE_CHECK([whether gcc supports __attribute__((visibility()))],
ac_cv_visibility, [dnl
save_CFLAGS="$CFLAGS"
@@ -419,7 +421,10 @@ AS_HELP_STRING([--enable-install-elfh],[
AM_CONDITIONAL(INSTALL_ELFH, test "$install_elfh" = yes)
AM_CONDITIONAL(BUILD_STATIC, [dnl
-test "$use_gprof" = yes -o "$use_gcov" = yes])
+test "$use_gprof" = yes -o "$use_gcov" = yes -o "$enable_static" = yes])
+
+AM_CONDITIONAL(BUILD_SHARED, [dnl
+test "$enable_shared" = yes])
AC_ARG_ENABLE([tests-rpath],
AS_HELP_STRING([--enable-tests-rpath],[build $ORIGIN-using rpath into tests]),
--- a/libelf/Makefile.am
+++ b/libelf/Makefile.am
@@ -35,8 +35,11 @@ endif
VERSION = 1
lib_LIBRARIES = libelf.a
+if BUILD_SHARED
noinst_LIBRARIES = libelf_pic.a
noinst_DATA = $(noinst_LIBRARIES:_pic.a=.so)
+endif
+
include_HEADERS = libelf.h gelf.h nlist.h
noinst_HEADERS = abstract.h common.h exttypes.h gelf_xlate.h libelfP.h \
@@ -122,11 +125,15 @@ libelf.so: $(srcdir)/libelf.map $(libelf
@$(textrel_check)
$(AM_V_at)ln -fs $@ $@.$(VERSION)
+if BUILD_SHARED
install: install-am libelf.so
$(mkinstalldirs) $(DESTDIR)$(libdir)
$(INSTALL_PROGRAM) libelf.so $(DESTDIR)$(libdir)/libelf-$(PACKAGE_VERSION).so
ln -fs libelf-$(PACKAGE_VERSION).so $(DESTDIR)$(libdir)/libelf.so.$(VERSION)
ln -fs libelf.so.$(VERSION) $(DESTDIR)$(libdir)/libelf.so
+else
+libelf_a_LIBADD = $(foreach dep,$(libelf_so_DEPS:.so=.a) $(LIBS:.so=.a),$(if $(findstring a,$(suffix $(dep))),$(addprefix $(dir $(dep)),$(shell cat $(basename $(dep)).manifest)),$(dep)))
+endif
uninstall: uninstall-am
rm -f $(DESTDIR)$(libdir)/libelf-$(PACKAGE_VERSION).so
--- a/libdw/Makefile.am
+++ b/libdw/Makefile.am
@@ -35,8 +35,10 @@ AM_CPPFLAGS += -I$(srcdir)/../libebl -I$
VERSION = 1
lib_LIBRARIES = libdw.a
+if BUILD_SHARED
noinst_LIBRARIES = libdw_pic.a
noinst_DATA = $(noinst_LIBRARIES:_pic.a=.so)
+endif
include_HEADERS = dwarf.h
pkginclude_HEADERS = libdw.h known-dwarf.h
@@ -121,11 +123,13 @@ libdw.so: $(srcdir)/libdw.map $(libdw_so
@$(textrel_check)
$(AM_V_at)ln -fs $@ $@.$(VERSION)
+if BUILD_SHARED
install: install-am libdw.so
$(mkinstalldirs) $(DESTDIR)$(libdir)
$(INSTALL_PROGRAM) libdw.so $(DESTDIR)$(libdir)/libdw-$(PACKAGE_VERSION).so
ln -fs libdw-$(PACKAGE_VERSION).so $(DESTDIR)$(libdir)/libdw.so.$(VERSION)
ln -fs libdw.so.$(VERSION) $(DESTDIR)$(libdir)/libdw.so
+endif
uninstall: uninstall-am
rm -f $(DESTDIR)$(libdir)/libdw-$(PACKAGE_VERSION).so
@@ -148,6 +152,10 @@ libdw_a_LIBADD += $(addprefix ../backend
libcpu_objects = $(shell $(AR) t ../libcpu/libcpu.a)
libdw_a_LIBADD += $(addprefix ../libcpu/,$(libcpu_objects))
+if !BUILD_SHARED
+libdw_a_LIBADD += $(foreach dep,$(libdw_so_DEPS:.so=.a) $(LIBS:.so=.a),$(if $(findstring a,$(suffix $(dep))),$(addprefix $(dir $(dep)),$(shell cat $(basename $(dep)).manifest)),$(dep)))
+endif
+
noinst_HEADERS = libdwP.h memory-access.h dwarf_abbrev_hash.h \
dwarf_sig8_hash.h cfi.h encoded-value.h
--- a/libasm/Makefile.am
+++ b/libasm/Makefile.am
@@ -33,8 +33,11 @@ AM_CPPFLAGS += -I$(top_srcdir)/libelf -I
VERSION = 1
lib_LIBRARIES = libasm.a
+if BUILD_SHARED
noinst_LIBRARIES = libasm_pic.a
noinst_DATA = $(noinst_LIBRARIES:_pic.a=.so)
+endif
+
pkginclude_HEADERS = libasm.h
libasm_a_SOURCES = asm_begin.c asm_abort.c asm_end.c asm_error.c \
@@ -71,11 +74,15 @@ libasm.so: $(srcdir)/libasm.map $(libasm
@$(textrel_check)
$(AM_V_at)ln -fs $@ $@.$(VERSION)
+if BUILD_SHARED
install: install-am libasm.so
$(mkinstalldirs) $(DESTDIR)$(libdir)
$(INSTALL_PROGRAM) libasm.so $(DESTDIR)$(libdir)/libasm-$(PACKAGE_VERSION).so
ln -fs libasm-$(PACKAGE_VERSION).so $(DESTDIR)$(libdir)/libasm.so.$(VERSION)
ln -fs libasm.so.$(VERSION) $(DESTDIR)$(libdir)/libasm.so
+else
+libasm_a_LIBADD = $(foreach dep,$(libasm_so_DEPS:.so=.a) $(LIBS:.so=.a),$(if $(findstring a,$(suffix $(dep))),$(addprefix $(dir $(dep)),$(shell cat $(basename $(dep)).manifest)),$(dep)))
+endif
uninstall: uninstall-am
rm -f $(DESTDIR)$(libdir)/libasm-$(PACKAGE_VERSION).so
--- a/debuginfod/Makefile.am
+++ b/debuginfod/Makefile.am
@@ -77,8 +77,10 @@ debuginfod_find_LDADD = $(libdw) $(libel
if LIBDEBUGINFOD
noinst_LIBRARIES = libdebuginfod.a
+if BUILD_SHARED
noinst_LIBRARIES += libdebuginfod_pic.a
endif
+endif
libdebuginfod_a_SOURCES = debuginfod-client.c
libdebuginfod_pic_a_SOURCES = debuginfod-client.c
@@ -111,12 +113,16 @@ $(LIBDEBUGINFOD_SONAME): $(srcdir)/libde
libdebuginfod.so: $(LIBDEBUGINFOD_SONAME)
ln -fs $< $@
+if BUILD_SHARED
install: install-am libdebuginfod.so
$(mkinstalldirs) $(DESTDIR)$(libdir)
$(INSTALL_PROGRAM) $(LIBDEBUGINFOD_SONAME) \
$(DESTDIR)$(libdir)/libdebuginfod-$(PACKAGE_VERSION).so
ln -fs libdebuginfod-$(PACKAGE_VERSION).so $(DESTDIR)$(libdir)/$(LIBDEBUGINFOD_SONAME)
ln -fs libdebuginfod-$(PACKAGE_VERSION).so $(DESTDIR)$(libdir)/libdebuginfod.so
+else
+libdebuginfod_a_LIBADD = $(foreach dep,$(wildcard $(libdebuginfod_so_LDLIBS:.so=.a)) $(LIBS:.so=.a),$(if $(findstring a,$(suffix $(dep))),$(addprefix $(dir $(dep)),$(shell cat $(basename $(dep)).manifest)),$(dep)))
+endif
uninstall: uninstall-am
rm -f $(DESTDIR)$(libdir)/libdebuginfod-$(PACKAGE_VERSION).so
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -50,7 +50,7 @@ check_PROGRAMS = arextract arsymtest new
dwfl-report-offline-memory \
varlocs backtrace backtrace-child \
backtrace-data backtrace-dwarf debuglink debugaltlink \
- buildid deleted deleted-lib.so aggregate_size peel_type \
+ buildid aggregate_size peel_type \
vdsosyms \
getsrc_die strptr newdata elfstrtab dwfl-proc-attach \
elfshphehdr elfstrmerge dwelfgnucompressed elfgetchdr \
@@ -180,7 +180,7 @@ TESTS = run-arextract.sh run-arsymtest.s
run-readelf-addr.sh run-readelf-str.sh \
run-readelf-multi-noline.sh \
run-readelf-types.sh \
- run-readelf-dwz-multi.sh run-allfcts-multi.sh run-deleted.sh \
+ run-readelf-dwz-multi.sh run-allfcts-multi.sh \
run-linkmap-cut.sh run-aggregate-size.sh run-peel-type.sh \
vdsosyms run-readelf-A.sh \
run-getsrc-die.sh run-strptr.sh newdata elfstrtab dwfl-proc-attach \
@@ -284,6 +284,11 @@ funcretval_test__11_SOURCES = funcretval
TESTS += run-funcretval++11.sh
endif
+if BUILD_SHARED
+check_PROGRAMS += deleted deleted-lib.so
+TESTS += run-deleted.sh
+endif
+
EXTRA_DIST = run-arextract.sh run-arsymtest.sh run-ar.sh \
run-ar-N.sh \
run-show-die-info.sh run-get-files.sh run-get-lines.sh \
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