-# Copyright (C) 1991-2021 Free Software Foundation, Inc.
+# Copyright (C) 1991-2023 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
ifndef subdir
# If a makefile needs to do something conditional on something that
# can only be figured out from headers, write a FOO.make.c input
-# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE
+# file that uses cpp constructs and contains @@@ LINE @@@ for each LINE
# to emit in the generated makefile, and use -include $(common-objpfx)FOO.make.
#
# We only generate these in the top-level makefile, to avoid any weirdness
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
+
+define o-iterator-doit
+$(objpfx)%$o: $(objpfx)%.cc $(before-compile); $$(compile-command.cc)
+endef
+object-suffixes-left := $(all-object-suffixes)
+include $(o-iterator)
endif
# Generate .dT files as we compile.
define build-shlib-helper
$(LINK.o) -shared -static-libgcc -Wl,-O1 $(sysdep-LDFLAGS) \
$(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) $(rtld-LDFLAGS) \
+ $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \
$(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \
$(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
-Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
-L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
endef
-ifeq (yes,$(use-default-link))
-# If the linker is good enough, we can let it use its default linker script.
-shlib-lds =
-shlib-lds-flags =
-else
-# binutils only position loadable notes into the first page for binaries,
-# not for shared objects
-$(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules
- $(LINK.o) -shared -Wl,-O1 \
- -nostdlib -nostartfiles \
- $(sysdep-LDFLAGS) $(rtld-LDFLAGS) $(LDFLAGS.so) \
- -Wl,--verbose 2>/dev/null | \
- sed > $@T \
- -e '/^=========/,/^=========/!d;/^=========/d' \
- $(if $(filter yes,$(have-hash-style)), \
- -e 's/^.*\.gnu\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
- -e '/^[ ]*\.hash[ ]*:.*$$/{h;d;}' \
- -e '/DATA_SEGMENT_ALIGN/{H;g}' \
- , \
- -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
- ) \
- -e 's/^.*\*(\.dynbss).*$$/& \
- PROVIDE(__start___libc_freeres_ptrs = .); \
- *(__libc_freeres_ptrs) \
- PROVIDE(__stop___libc_freeres_ptrs = .);/'\
- -e 's@^.*\*(\.jcr).*$$@& \
- PROVIDE(__start___libc_subfreeres = .);\
- __libc_subfreeres : { *(__libc_subfreeres) }\
- PROVIDE(__stop___libc_subfreeres = .);\
- PROVIDE(__start___libc_atexit = .);\
- __libc_atexit : { *(__libc_atexit) }\
- PROVIDE(__stop___libc_atexit = .);\
- PROVIDE(__start___libc_IO_vtables = .);\
- __libc_IO_vtables : { *(__libc_IO_vtables) }\
- PROVIDE(__stop___libc_IO_vtables = .);\
- /DISCARD/ : { *(.gnu.glibc-stub.*) }@'
- test -s $@T
- mv -f $@T $@
-common-generated += shlib.lds
-
-shlib-lds = $(common-objpfx)shlib.lds
-shlib-lds-flags = -T $(shlib-lds)
-endif
-
define build-shlib
-$(build-shlib-helper) -o $@ $(shlib-lds-flags) \
+$(build-shlib-helper) -o $@ \
$(csu-objpfx)abi-note.o $(build-shlib-objlist)
endef
define build-module-helper
$(LINK.o) -shared -static-libgcc $(sysdep-LDFLAGS) $(rtld-LDFLAGS) \
$(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) \
+ $(if $($(@F)-no-dt-relr),$(no-dt-relr-ldflag),$(dt-relr-ldflag)) \
-B$(csu-objpfx) $(load-map-file) \
$(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \
+ $(link-test-modules-rpath-link) \
-L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
endef
# binutils only position loadable notes into the first page for binaries,
# not for shared objects
define build-module
-$(build-module-helper) -o $@ $(shlib-lds-flags) \
+$(build-module-helper) -o $@ \
$(csu-objpfx)abi-note.o $(build-module-objlist) $(link-libc-args)
$(call after-link,$@)
endef
define build-module-asneeded
-$(build-module-helper) -o $@ $(shlib-lds-flags) \
+$(build-module-helper) -o $@ \
$(csu-objpfx)abi-note.o \
-Wl,--as-needed $(build-module-objlist) -Wl,--no-as-needed \
$(link-libc-args)
LDLIBS-c.so += $(libc.so-gnulib)
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -e __libc_main
-# Pre-link the objects of libc_pic.a so that we can locally resolve
-# COMMON symbols before we link against ld.so. This is because ld.so
-# contains some of libc_pic.a already, which will prevent the COMMONs
-# from being allocated in libc.so, which introduces evil dependencies
-# between libc.so and ld.so, which can make it impossible to upgrade.
+# Pre-link the objects of libc_pic.a for .gnu.glibc-stub.* processing.
$(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
- $(LDFLAGS-c_pic.os) -Wl,-d $(whole-archive) $^ -o $@
+ $(LDFLAGS-c_pic.os) $(whole-archive) $^ -o $@
-ifeq (,$(strip $(shlib-lds-flags)))
# Generate a list of -R options to excise .gnu.glibc-stub.* sections.
$(common-objpfx)libc_pic.opts: $(common-objpfx)libc_pic.os
$(OBJDUMP) -h $< | \
generated += libc_pic.opts libc_pic.os.clean
libc_pic_clean := .clean
-endif
# Build a possibly-modified version of libc_pic.a for use in building
# linkobj/libc.so.
$(common-objpfx)libc.so: $(common-objpfx)libc_pic.os$(libc_pic_clean) \
$(elf-objpfx)sofini.os \
$(elf-objpfx)interp.os \
- $(elf-objpfx)ld.so \
- $(shlib-lds)
+ $(elf-objpfx)ld.so
$(build-shlib)
$(call after-link,$@)
$(common-objpfx)linkobj/libc.so: $(common-objpfx)linkobj/libc_pic.a \
$(elf-objpfx)sofini.os \
$(elf-objpfx)interp.os \
- $(elf-objpfx)ld.so \
- $(shlib-lds)
+ $(elf-objpfx)ld.so
$(build-shlib)
$(call after-link,$@)
extra-modules-build := $(filter-out $(modules-names-nobuild),$(modules-names))
$(extra-modules-build:%=$(objpfx)%.so): $(objpfx)%.so: \
- $(objpfx)%.os $(shlib-lds) $(link-libs-deps)
+ $(objpfx)%.os $(link-libs-deps)
$(build-module)
endif
\f
$(patsubst %.oS,%.d,$(filter %.oS,$(extra-objs))) \
$(patsubst %.o,%.d,$(filter %.o,$(extra-test-objs:.os=.o))) \
$(addsuffix .d,$(tests) $(tests-internal) $(xtests) \
+ $(tests-container) $(tests-printers) \
$(test-srcs) $(tests-time64) $(xtests-time64))
ifeq ($(build-programs),yes)
+depfiles += $(addsuffix .d,$(others) $(sysdep-others))
# Maximize efficiency by minimizing the number of rules.
.SUFFIXES: # Clear the suffix list. We don't use suffix rules.
# Don't define any builtin rules.
-MAKEFLAGS := $(MAKEFLAGS)r
+MAKEFLAGS := $(MAKEFLAGS) -r
# Generic rule for making directories.
%/:
.PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
\f
# Use the verbose option of ar and tar when not running silently.
-ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s
+ifeq ($(silent-make),no) # if not -s
verbose := v
else # -s
verbose :=
include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
endif
-all-nonlib := $(strip $(tests-internal) $(test-internal-extras) \
- $(others) $(others-extras))
+all-nonlib := $(strip $(others) $(others-extras))
ifneq (,$(all-nonlib))
cpp-srcs-left = $(all-nonlib)
lib := nonlib
include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
endif
+# All internal tests use testsuite-internal module since for 64 bit time
+# support is set as default for MODULE_NAME=nonlib (which include some
+# installed programs).
+all-testsuite-internal := $(strip $(tests-internal) $(test-internal-extras))
+ifneq (,$(all-testsuite-internal))
+cpp-srcs-left = $(all-testsuite-internal)
+lib := testsuite-internal
+include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
+endif
ifeq ($(build-shared),yes)
# Generate normalized lists of symbols, versions, and data sizes.
endif
\f
-# These will have been set by sysdeps/posix/Makefile.
-L_tmpnam ?= 1
-TMP_MAX ?= 0
-L_ctermid ?= 1
-L_cuserid ?= 1
-
-stdio_lim = $(common-objpfx)bits/stdio_lim.h
-
-$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
-$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
- $(common-objpfx)config.make
- $(make-target-directory)
- { echo '#include "$(..)posix/bits/posix1_lim.h"'; \
- } | \
- $(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)' \
- $(CPPUNDEFS) $(+includes) -xc - -o $(@:st=hT)
- sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
- $(@:st=dT) > $(@:st=dt)
- mv -f $(@:st=dt) $(@:st=d)
- fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \
- filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \
- fopen_max=$${fopen_max:-16}; \
- filename_max=$${filename_max:-1024}; \
- sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
- -e "s/@FILENAME_MAX@/$$filename_max/" \
- -e "s/@L_tmpnam@/$(L_tmpnam)/" \
- -e "s/@TMP_MAX@/$(TMP_MAX)/" \
- -e "s/@L_ctermid@/$(L_ctermid)/" \
- -e "s/@L_cuserid@/$(L_cuserid)/" \
- $< > $(@:st=h.new)
- $(move-if-change) $(@:st=h.new) $(@:st=h)
-# Remove these last so that they can be examined if something went wrong.
- rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt)
- touch $@
-# Get dependencies.
-ifndef no_deps
--include $(stdio_lim:h=d)
-endif
-common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st
-\f
FORCE:
.PHONY: echo-headers
clean: common-clean
mostlyclean: common-mostlyclean
+# Remove test artifacts from a given directory
do-tests-clean:
- -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) \
- $(tests-internal) \
- $(xtests) \
- $(test-srcs)) \
- $(addsuffix .test-result,$(tests) \
- $(tests-internal) \
- $(xtests) \
- $(test-srcs)))
+ -find $(objpfx) -name '*.out' -delete
+ -find $(objpfx) -name '*.test-result' -delete
# Remove the object files.
-common-mostlyclean:
+common-mostlyclean: do-tests-clean
-rm -f $(addprefix $(objpfx),$(tests) $(tests-internal) $(xtests) \
$(test-srcs) \
$(others) $(sysdep-others) stubs \
$(xtests) \
$(test-srcs) \
$(others) \
- $(sysdep-others)) \
- $(addsuffix .out,$(tests) \
- $(tests-internal) \
- $(xtests) \
- $(test-srcs)) \
- $(addsuffix .test-result,$(tests) \
- $(tests-internal) \
- $(xtests) \
- $(test-srcs)))
+ $(sysdep-others)))
-rm -f $(addprefix $(objpfx),$(extra-objs) $(extra-test-objs) \
$(install-lib) $(install-lib.so) \
$(install-lib.so:%.so=%_pic.a))
projects / thirdparty / glibc.git / blobdiff