-# Copyright (C) 1991-2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1991-2006, 2007, 2008 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
include $(..)Makeconfig
endif
-# `configure' writes a definition of `config-sysdirs' in `config.make'.
-sysdirs = $(strip $(full_config_sysdirs))
-
-+sysdir_pfx = $(common-objpfx)
-
-export sysdirs := $(sysdirs)
-
-+sysdep_dirs := $(full_config_sysdirs)
-ifdef objdir
-+sysdep_dirs := $(objdir) $(+sysdep_dirs)
-endif
-
-# Add -I switches to get the right sysdep directories.
-# `+includes' in Makeconfig references $(+sysdep-includes).
-+sysdep-includes := $(addprefix -I,$(+sysdep_dirs))
-
# This variable is used in ``include $(o-iterator)'' after defining
# $(o-iterator-doit) to produce some desired rule using $o for the object
# suffix, and setting $(object-suffixes-left) to $(object-suffixes); a copy
# being included individually by a subdir makefile (hurd/Makefile needs this).
in-Makerules := yes
-sysdep-makefiles := $(wildcard $(full_config_sysdirs:=/Makefile))
+sysdep-makefiles := $(wildcard $(sysdirs:=/Makefile))
ifneq (,$(sysdep-makefiles))
include $(sysdep-makefiles)
endif
endif # avoid-generated
endif # $(versioning) = yes
-
-# Generating headers for assembly constants.
-# We need this defined early to get into before-compile before
-# it's used in sysd-rules, below.
-$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \
- %.sym $(before-compile)
- $(AWK) -f $< $(filter %.sym,$^) \
- | $(CC) -S -o - $(CFLAGS) $(CPPFLAGS) -x c - \
- -MD -MF $(@:.h=.h.d)T -MT '$(@:.h=.h.d) $(@:.h.d=.h)' \
- | sed -n 's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$$/#define \1 \2/p' > $(@:.h.d=.h)T
- sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
- $(@:.h=.h.d)T > $(@:.h=.h.d)T2
- rm -f $(@:.h=.h.d)T
- mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
- mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
-vpath %.sym $(sysdirs)
-before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
-
-
-# When we have no deps pass doing it, then make sure the subdirectory
-# for object files gets created.
-ifdef no_deps
+# Make sure the subdirectory for object files gets created.
ifdef objpfx
+ifeq (,$(wildcard $(objpfx).))
before-compile += $(objpfx).
$(objpfx).:
$(make-target-directory)
$(before-compile):
endif
+# We don't want $(common-objpfx) files to depend on miscellaneous stuff
+# in subdirs.
+ifdef subdir
+common-before-compile := $(filter-out $(objpfx)%,$(before-compile))
+else
+common-before-compile = $(before-compile)
+endif
+
+ifndef subdir
# If a makefile needs to do something conditional on something that
# can only be figured out from headers, write a FOO.make.c input
# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE
# to emit in the generated makefile, and use -include $(common-objpfx)FOO.make.
-$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(before-compile)
+#
+# We only generate these in the top-level makefile, to avoid any weirdness
+# from subdir-specific makefile tweaks creeping in on an update.
+$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(common-before-compile)
rm -f $@T $@.dT
(echo '# Generated from $*.make.c by Makerules.'; \
- SUNPRO_DEPENDENCIES='$@.dT $$(common-objpfx)$*.make' \
- $(CC) $(CFLAGS) $(CPPFLAGS) -E $< \
+ $(CC) $(CFLAGS) $(CPPFLAGS) -E -DASSEMBLER $< \
+ -MD -MP -MT '$$(common-objpfx)$*.make' -MF $@.dT \
| sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \
echo 'common-generated += $(@F)'; \
sed $(sed-remove-objpfx) $(sed-remove-dotdot) $@.dT; \
rm -f $@.dT) > $@T
mv -f $@T $@
+endif
ifdef subdir
-sed-remove-dotdot := -e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g'
+sed-remove-dotdot := -e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g' \
+ -e 's@^\.\.\/\([^ \]*\)@$$(..)\1@g'
else
-sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g'
+sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \
+ -e 's@^\([^ \/$$][^ \]*\)@$$(..)\1@g'
+endif
+
+
+ifdef gen-as-const-headers
+# Generating headers for assembly constants.
+# We need this defined early to get into before-compile before
+# it's used in sysd-rules, below.
+$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \
+ %.sym $(common-before-compile)
+ $(AWK) -f $< $(filter %.sym,$^) \
+ | $(CC) -S -o $(@:.h.d=.h)T3 $(CFLAGS) $(CPPFLAGS) -x c - \
+ -MD -MP -MF $(@:.h=.h.d)T -MT '$(@:.h=.h.d) $(@:.h.d=.h)'
+ sed -n 's/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*$$/#define \1 \2/p' \
+ $(@:.h.d=.h)T3 > $(@:.h.d=.h)T
+ rm -f $(@:.h.d=.h)T3
+ sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
+ $(@:.h=.h.d)T > $(@:.h=.h.d)T2
+ rm -f $(@:.h=.h.d)T
+ mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
+ mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
+vpath %.sym $(sysdirs)
+before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
+
+tests += $(gen-as-const-headers:%.sym=test-as-const-%)
+generated += $(gen-as-const-headers:%.sym=test-as-const-%.c)
+$(objpfx)test-as-const-%.c: $(..)scripts/gen-as-const.awk $(..)Makerules \
+ %.sym $(common-objpfx)%.h
+ ($(AWK) '{ sub(/^/, "asconst_", $$2); print; }' $(filter %.h,$^); \
+ $(AWK) -v test=1 -f $< $(filter %.sym,$^); \
+ echo '#include "$(..)test-skeleton.c"') > $@T
+ mv -f $@T $@
endif
\f
# Generate an ordered list of implicit rules which find the source files in
# later directory would be chosen over a .c file in an earlier directory,
# which does not preserve the desired sysdeps ordering behavior.
-# When making the list of .d files to include, we can't know which ones
-# have source in .s files, and thus do not in fact need a .d file.
-# So we must define rules to make .d files for .s files.
-define make-dummy-dep
-$(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
+# System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
+# patterns matching sysdep directories whose assembly source files should
+# be suppressed.
+ifdef inhibit-sysdep-asm
+define check-inhibit-asm
+case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) asm= ;; esac;
endef
-$(common-objpfx)dummy.d:
- echo '# .s files cannot contain includes, so they need no deps.' > $@
-
-# It matters that this set of rules, for compiling from sources in
-# the current directory (the $srcdir/$subdir) come before the
-# generated sysdep rules in included from sysd-rules below. When
-# compiling in the source tree, generated sources go into the current
-# directory, and those should be chosen before any sources in sysdeps.
+endif
+
+-include $(common-objpfx)sysd-rules
+ifneq ($(sysd-rules-sysdirs),$(config-sysdirs))
+# The value of $(+sysdep_dirs) the sysd-rules was computed for
+# differs from the one we are using now. So force a rebuild of sysd-rules.
+sysd-rules-force = FORCE
+FORCE:
+endif
+$(common-objpfx)sysd-rules: $(common-objpfx)config.make $(..)Makerules \
+ $(sysdep-makefiles) $(sysd-rules-force)
+ -@rm -f $@T
+ (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \
+ for dir in $(config-sysdirs); do \
+ case "$$dir" in \
+ /*) ;; \
+ *) dir="\$$(..)$$dir" ;; \
+ esac; \
+ asm='.S .s'; \
+ $(check-inhibit-asm) \
+ for o in $(all-object-suffixes); do \
+ set $(subst :, ,$(sysd-rules-patterns)); \
+ while [ $$# -ge 2 ]; do \
+ t=$$1; shift; \
+ d=$$1; shift; \
+ v=$${t%%%}; [ x"$$v" = x ] || v="\$$($${v}CPPFLAGS)"; \
+ for s in $$asm .c; do \
+ echo "\$$(objpfx)$$t$$o: $$dir/$$d$$s \$$(before-compile)"; \
+ echo " \$$(compile-command$$s) $$v"; \
+ done; \
+ done; \
+ done; \
+ echo "\$$(inst_includedir)/%.h: $$dir/%.h \$$(+force)"; \
+ echo " \$$(do-install)"; \
+ done; \
+ echo 'sysd-rules-done = t') > $@T
+ mv -f $@T $@
+
+ifndef sysd-rules-done
+# Don't do deps until this exists, because it provides rules to make the deps.
+no_deps=t
+endif
+
define o-iterator-doit
$(objpfx)%$o: %.S $(before-compile); $$(compile-command.S)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: %.S $(before-compile); $(+make-deps)
define o-iterator-doit
$(objpfx)%$o: %.s $(before-compile); $$(compile-command.s)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: %.s $(common-objpfx)dummy.d; $(make-dummy-dep)
define o-iterator-doit
$(objpfx)%$o: %.c $(before-compile); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: %.c $(before-compile); $(+make-deps)
+
+define o-iterator-doit
+$(objpfx)%$o: %.cc $(before-compile); $$(compile-command.cc)
+endef
+object-suffixes-left := $(all-object-suffixes)
+include $(o-iterator)
# Omit the objpfx rules when building in the source tree, because
# objpfx is empty and so these rules just override the ones above.
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
define o-iterator-doit
$(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: $(objpfx)%.s $(common-objpfx)dummy.d; $(make-dummy-dep)
define o-iterator-doit
$(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
-endif
-
-# System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
-# patterns matching sysdep directories whose assembly source files should
-# be suppressed.
-ifdef inhibit-sysdep-asm
-define open-check-inhibit-asm
-case $$sysdir in $(subst $(empty) ,|,$(inhibit-sysdep-asm))) : ;; *)
-endef
-close-check-inhibit-asm = ;; esac ;
-endif
-
--include $(+sysdir_pfx)sysd-rules
-ifneq ($(sysd-rules-sysdirs),$(config-sysdirs))
-# The value of $(+sysdep_dirs) the sysd-rules was computed for
-# differs from the one we are using now. So force a rebuild of sysd-rules.
-sysd-rules-force = FORCE
-FORCE:
-endif
-$(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \
- $(wildcard $(foreach dir,$(sysdirs),\
- $(dir)/Makefile))\
- $(sysd-rules-force)
- -@rm -f $@T
- (echo 'sysd-rules-sysdirs := $(config-sysdirs)'; \
- for dir in $(config-sysdirs:%='$$(..)%'); do \
- for o in $(all-object-suffixes); do \
- $(open-check-inhibit-asm) \
- echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \
- \$$(compile-command.S)"; \
- echo "\$$(objpfx)%$$o: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.S \$$(before-compile); \
- \$$(compile-command.S)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- echo "\$$(objpfx)ptw-%$$o: $$dir/%.S \$$(before-compile); \
- \$$(compile-command.S)"; \
- echo "\$$(objpfx)ptw-%$$o: $$dir/%.s \$$(before-compile); \
- \$$(compile-command.s)"; \
- $(close-check-inhibit-asm) \
- echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \
- \$$(compile-command.c)"; \
- echo "\$$(objpfx)rtld-%$$o: $$dir/%.c \$$(before-compile); \
- \$$(compile-command.c)"; \
- echo "\$$(objpfx)ptw-%$$o: $$dir/%.c \$$(before-compile); \
- \$$(compile-command.c)"; \
- done; \
- $(open-check-inhibit-asm) \
- echo "\$$(objpfx)%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
- \$$(make-dummy-dep)"; \
- echo "\$$(objpfx)rtld-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
- \$$(make-dummy-dep)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.s \$$(common-objpfx)dummy.d; \
- \$$(make-dummy-dep)"; \
- echo "\$$(objpfx)%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)rtld-%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.S \$$(before-compile); \
- \$$(+make-deps)"; \
- $(close-check-inhibit-asm) \
- echo "\$$(objpfx)%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)rtld-%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)ptw-%.d: $$dir/%.c \$$(before-compile); \
- \$$(+make-deps)"; \
- echo "\$$(objpfx)m_%.S: $$dir/s_%.S; \$$(+make-include-of-dep)"; \
- echo "\$$(objpfx)m_%.c: $$dir/s_%.c; \$$(+make-include-of-dep)"; \
- done; \
- echo 'sysd-rules-done = t') > $@T
- mv -f $@T $@
-
-ifndef sysd-rules-done
-# Don't do deps until this exists, because it provides rules to make the deps.
-no_deps=t
endif
-# This is used by the m_%.[Sc] pattern rules in sysd-rules.
-define +make-include-of-dep
-echo '#include <$<>' > $@T
-mv -f $@T $@
-endef
-
# Generate version maps, but wait until sysdep-subdirs is known
ifeq ($(sysd-sorted-done),t)
ifeq ($(versioning),yes)
Versions.def.v.i Versions.def.v Versions.v.i Versions.v
ifndef avoid-generated
-ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs))
+ifneq ($(sysd-versions-subdirs),$(sorted-subdirs) $(config-sysdirs))
sysd-versions-force = FORCE
FORCE:
endif
$(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \
$(common-objpfx)soversions.i \
$(common-objpfx)Versions.def.v
- { while read lib version setname; do \
+ { while read which lib version setname; do \
+ test x"$$which" = xDEFAULT || continue; \
test -z "$$setname" || echo "$$lib : $$setname"; \
done < $(word 2,$^); \
cat $(word 3,$^); \
} | LC_ALL=C $(AWK) -f $< > $@T
mv -f $@T $@
# See %.v/%.v.i implicit rules in Makeconfig.
-$(common-objpfx)Versions.v.i: $(wildcard $(all-subdirs:%=$(..)%/Versions)) \
+$(common-objpfx)Versions.v.i: $(wildcard $(subdirs:%=$(..)%/Versions)) \
$(wildcard $(sysdirs:%=%/Versions)) \
$(common-objpfx)abi-versions.h \
$(sysd-versions-force)
$(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \
$(common-objpfx)Versions.v \
$(..)scripts/versions.awk
- ( echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \
+ ( echo 'sysd-versions-subdirs = $(subdirs) $(config-sysdirs)' ; \
cat $(word 2,$^) \
| LC_ALL=C $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \
-v move_if_change='$(move-if-change)' \
endif # $(versioning) = yes
endif # sysd-sorted-done
-
-ifndef compile-command.S
-compile-command.S = $(compile.S) $(OUTPUT_OPTION)
-endif
-ifndef compile-command.s
-compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION)
-endif
-ifndef compile-command.c
-compile-command.c = $(compile.c) $(OUTPUT_OPTION)
-endif
+# Generate .dT files as we compile.
+compile-mkdep-flags = -MD -MP -MF $@.dt -MT $@
+compile-command.S = $(compile.S) $(OUTPUT_OPTION) $(compile-mkdep-flags)
+compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION) $(compile-mkdep-flags)
+compile-command.c = $(compile.c) $(OUTPUT_OPTION) $(compile-mkdep-flags)
+compile-command.cc = $(compile.cc) $(OUTPUT_OPTION) $(compile-mkdep-flags)
# GCC can grok options after the file name, and it looks nicer that way.
compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
+compile.cc = $(CXX) $< -c $(CXXFLAGS) $(CPPFLAGS)
compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) \
$(ASFLAGS) $(ASFLAGS-$(suffix $@))
COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \
$(ASFLAGS) $(ASFLAGS-$(suffix $@))
COMPILE.s = $(filter-out -pipe,$(CC)) -c $(ASFLAGS)
-# If we want to generate MD5 checksums for the sources do this now.
-ifeq ($(md5),yes)
-generate-md5 = ; rm -f $(@:.d=.md5); \
-$(CC) -E $< $(CFLAGS) $(CPPFLAGS) $($(patsubst .%,%,$(suffix $(<F)))-CPPFLAGS) | \
-sed '/^\#/d;/^[[:space:]]*$$/d' | md5sum > $(@:.d=.md5)
-else
-generate-md5 =
-endif
-
# We need this for the output to go in the right place. It will default to
# empty if make was configured to work with a cc that can't grok -c and -o
# together. You can't compile the C library with such a compiler.
# the dependency run for C sources. But having it for assembly sources can
# get the wrong predefines.
S-CPPFLAGS = -DASSEMBLER $(asm-CPPFLAGS)
+
define +make-deps
$(make-target-directory)
$(+mkdep) $< $(if $(filter %.c,$<),$(CFLAGS)) \
- $(CPPFLAGS) $($(patsubst .%,%,$(suffix $(<F)))-CPPFLAGS) | sed \
--e 's,$(subst .,\.,$*)\.o,$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
-$(sed-remove-objpfx) > $(@:.d=.T)
+ $(CPPFLAGS) $($(patsubst .%,%,$(suffix $(<F)))-CPPFLAGS) | sed -e\
+'s,$(subst .,\.,$(@F:.d=.o)),$(foreach o,$(all-object-suffixes),$(@:.d=$o)) $@,' \
+$(sed-remove-objpfx) $(sed-remove-dotdot) > $(@:.d=.T)
mv -f $(@:.d=.T) $@ $(generate-md5)
endef
+
ifneq (,$(objpfx))
# Continuation lines here are dangerous because they introduce spaces!
define sed-remove-objpfx
ifeq (yes,$(elf))
# binutils only position loadable notes into the first page for binaries,
# not for shared objects
-$(common-objpfx)shlib.lds: $(common-objpfx)config.make
+$(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules
$(LINK.o) -shared -Wl,-O1 \
+ -nostdlib -nostartfiles \
$(sysdep-LDFLAGS) $(config-LDFLAGS) $(LDFLAGS.so) \
-Wl,--verbose 2>&1 | \
sed > $@T \
-e '/^=========/,/^=========/!d;/^=========/d' \
- -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
+ $(if $(filter yes,$(have-hash-style)), \
+ -e 's/^.*\.gnu\.hash[ ]*:.*$$/ .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).*$$/& \
PROVIDE(__start___libc_freeres_ptrs = .); \
*(__libc_freeres_ptrs) \
- PROVIDE(__stop___libc_freeres_ptrs = .);/'
+ PROVIDE(__stop___libc_freeres_ptrs = .);/'\
+ -e 's@^.*\*(\.jcr).*$$@& \
+ 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_thread_subfreeres = .);\
+ __libc_thread_subfreeres : { *(__libc_thread_subfreeres) }\
+ PROVIDE(__stop___libc_thread_subfreeres = .);\
+ /DISCARD/ : { *(.gnu.glibc-stub.*) }@'
mv -f $@T $@
common-generated += shlib.lds
else
define build-module-helper
$(LINK.o) -shared $(static-libgcc) $(sysdep-LDFLAGS) $(config-LDFLAGS) \
+ $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) \
-B$(csu-objpfx) $(load-map-file) \
$(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \
-L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link)
$(build-module-helper) -o $@ -T $(common-objpfx)shlib.lds \
$(csu-objpfx)abi-note.o $(build-module-objlist)
endef
+define build-module-asneeded
+$(build-module-helper) -o $@ -T $(common-objpfx)shlib.lds \
+ $(csu-objpfx)abi-note.o \
+ -Wl,--as-needed $(build-module-objlist) -Wl,--no-as-needed
+endef
else
ifneq (,$(findstring aix,$(config-os)))
define build-module
# Also omits crti.o and crtn.o, which we do not want
# since we define our own `.init' section specially.
LDFLAGS-c.so = -nostdlib -nostartfiles
-# But we still want to link libc.so against $(gnulib).
-LDLIBS-c.so += $(gnulib)
+# But we still want to link libc.so against $(libc.so-gnulib).
+LDLIBS-c.so += $(libc.so-gnulib)
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -e __libc_main
-# Force the backward compatibility EH functions to be linked.
-LDFLAGS-c.so += -u __register_frame
+# If lazy relocation is disabled add the -z now flag.
+ifeq ($(bind-now),yes)
+LDFLAGS-c.so += -Wl,-z,now
+endif
# 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
extra-libs-left := $(extra-libs)
include $(patsubst %,$(..)extra-lib.mk,$(extra-libs))
endif
+
+
+# The makefile may define $(modules-names) to build additional modules.
+# These are built with $(build-module), except any in $(modules-names-nobuild).
+ifdef modules-names
+# extra-lib.mk is included once for each extra lib to define rules
+# to build it, and to add its objects to the various variables.
+# During its evaluation, $(lib) is set to the name of the library.
+extra-modules-left := $(modules-names)
+include $(patsubst %,$(..)extra-modules.mk,$(modules-names))
+
+extra-modules-build := $(filter-out $(modules-names-nobuild),$(modules-names))
+$(extra-modules-build:%=$(objpfx)%.so): $(objpfx)%.so: \
+ $(objpfx)%.os $(common-objpfx)shlib.lds \
+ $(common-objpfx)libc.so $(common-objpfx)libc_nonshared.a
+ $(build-module)
+endif
\f
+depfiles := $(sources:.c=.d) \
$(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \
+ $(patsubst %.o,%.d,$(filter %.o,$(extra-test-objs:.os=.o))) \
$(addsuffix .d,$(tests) $(xtests) $(test-srcs))
ifeq ($(build-programs),yes)
+depfiles += $(addsuffix .d,$(others) $(sysdep-others))
+depfiles := $(addprefix $(objpfx),\
$(filter-out $(addsuffix .d,$(omit-deps)),\
$(+depfiles)))
+all-dt-files := $(foreach o,$(object-suffixes-for-libc),$(+depfiles:.d=$o.dt))
++depfiles := $(patsubst %.dt,%.d,$(wildcard $(all-dt-files))) \
+ $(wildcard $(all-dt-files:.dt=.d))
+
+# This is a funny rule in that it removes its input file.
+%.d: %.dt
+ @sed $(sed-remove-objpfx) $< > $(@:.d=.T) && \
+ mv -f $(@:.d=.T) $@ && \
+ rm -f $<
# Avoid the .h.d files for any .sym files whose .h files don't exist yet.
# They will be generated when they're needed, and trying too early won't work.
# Generic rule for making directories.
%/:
# mkdir isn't smart enough to strip a trailing /.
- mkdir $(@:%/=%)
+# We always require a mkdir which supports the -p option to avoid error
+# messages in case of races.
+ mkdir -p $(@:%/=%)
\f
# Make sure that object files are not removed
# when they are intermediates between sources and library members.
$(objpfx)stamp$o: $(o-objects); $$(do-stamp)
endef
define do-stamp
+$(make-target-directory)
echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T
mv -f $@T $@
endef
# $(install-lib) are installed from the object directory into $(libdir);
# files in $(install-lib) matching `lib%.a' are ranlib'd after installation
-# unless they also appear in $(non-lib.a). $(install-data) are installed
-# as they are into $(datadir). $(headers) are installed as they are in
+# unless they also appear in $(non-lib.a). $(install-data) are installed as
+# they are into $(datadir). $(headers) are installed as they are in
# $(includedir). $(install-bin), $(install-bin-script) and $(install-sbin)
# are installed from the object directory into $(bindir), $(bindir) and
-# $(sbindir), respectively. $(install-others) are absolute path names of
-# files to install; rules to install them are defined elsewhere.
+# $(sbindir), respectively. $(install-others) and $(install-others-programs)
+# are absolute path names of files to install; rules to install them are
+# defined elsewhere.
# The simple library name to install libc.a under.
# This could be defined by a sysdep Makefile.
cat $<; \
echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \
'$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\
- ')' \
+ ' AS_NEEDED (' $(slibdir)/$(rtld-installed-name) ') )' \
) > $@.new
mv -f $@.new $@
endif
headers := $(strip $(headers))
ifdef headers
-$(addprefix $(inst_includedir)/,$(headers)): $(inst_includedir)/%: % $(+force)
+# This implicit rule installs headers from the source directory.
+# It may be ignored in preference to rules from sysd-rules to find
+# headers in the sysdeps tree.
+$(inst_includedir)/%.h: $(objpfx)%.h $(+force)
+ $(do-install)
+$(inst_includedir)/%.h: %.h $(+force)
$(do-install)
+$(inst_includedir)/%.h: $(..)include/%.h $(+force)
+ $(do-install)
+headers-nonh := $(filter-out %.h,$(headers))
+ifdef headers-nonh
+$(addprefix $(inst_includedir)/,$(headers-nonh)): $(inst_includedir)/%: \
+ % $(+force)
+ $(do-install)
+endif # headers-nonh
endif # headers
.PHONY: install-bin-nosubdir install-bin-script-nosubdir \
install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data))
install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers))
install-others-nosubdir: $(install-others)
+install-others-programs-nosubdir: $(install-others-programs)
# We need all the `-nosubdir' targets so that `install' in the parent
# doesn't depend on several things which each iterate over the subdirs.
install-%:: install-%-nosubdir ;
.PHONY: install install-no-libc.a-nosubdir
-ifeq ($(build-programs),yes)
-install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
- install-bin-nosubdir install-bin-script-nosubdir \
- install-lib-nosubdir install-others-nosubdir \
- install-rootsbin-nosubdir install-sbin-nosubdir
-else
-install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
+install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir \
install-lib-nosubdir install-others-nosubdir
+ifeq ($(build-programs),yes)
+install-no-libc.a-nosubdir: install-bin-nosubdir install-bin-script-nosubdir \
+ install-rootsbin-nosubdir install-sbin-nosubdir \
+ install-others-programs-nosubdir
endif
install: install-no-libc.a-nosubdir
\f
all-nonlib = $(strip $(tests) $(xtests) $(test-srcs) $(test-extras) $(others))
ifneq (,$(all-nonlib))
-cpp-srcs-left = $(all-nonlib:=.c)
+cpp-srcs-left = $(all-nonlib:=.c) $(all-nonlib:=.cc)
lib := nonlib
-include $(patsubst %,$(..)cppflags-iterator.mk,$(all-nonlib))
+include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
endif
# The include magic above causes those files to use this variable for flags.
define check-abi
LC_ALL=C \
$(AWK) -f $< -v 'config=$(check-abi-config)' \
+ $(patsubst %,-v 'lastversion=%',$($*-abi-frozen)) \
$(filter %.abilist,$^) \
- | { diff -pu0 - $(filter %.symlist,$^) $(check-abi-warn) ; }
+ | { diff -p -U 0 - $(filter %.symlist,$^) $(check-abi-warn) ; }
endef
ifeq ($(enable-check-abi),warn)
check-abi-warn = || echo '*** WARNING: $*.so failed ABI check'
ifeq ($(firstword $(sysd-sorted-done) f)$(firstword $(generating) f),tf)
-include $(common-objpfx)tls.make
-config-tls := notls
-ifeq ($(use-tls),yes)
config-tls := tls
-endif
ifeq ($(use-thread),yes)
config-tls := thread
endif
endif
-# There's no good place to put this - here will do.
-# The dependencies are wrong if it's run from the top level.
-ifeq ($(filter %posix, $(sysdirs)),)
-L_tmpnam = 1
-TMP_MAX = 0
-L_ctermid = 1
-L_cuserid = 1
-else
-L_tmpnam = 20
-TMP_MAX = 238328
-L_ctermid = 9
-L_cuserid = 9
-endif
+# 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"' | \
- SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
- $(CC) $(+includes) -E -dM -xc - -o $(@:st=hT)
- echo '#include "$(..)misc/sys/uio.h"' | \
- SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
- $(CC) -D_LIBC=1 $(+includes) -E -dM -xc - | cat - >> $(@:st=hT)
-ifdef sed-remove-objpfx
- sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt)
- cat $(@:st=dt) >> $(@:st=d)
-else
- cat $(@:st=dT) >> $(@:st=d)
-endif
+ { echo '#include "$(..)posix/bits/posix1_lim.h"'; \
+ echo '#define _LIBC 1'; \
+ echo '#include "$(..)misc/sys/uio.h"'; } | \
+ $(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)' \
+ $(+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)`; \
iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \
fopen_max=$${fopen_max:-16}; \
filename_max=$${filename_max:-1024}; \
- if [ -z $$iov_max ]; then \
+ if [ -z "$$iov_max" ]; then \
define_iov_max="# undef IOV_MAX"; \
else \
define_iov_max="# define IOV_MAX $$iov_max"; \
endif
common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st
\f
-.PHONY: TAGS
-TAGS: $(objpfx)distinfo $(..)MakeTAGS
- $(MAKE) $(addprefix -f ,$^) $@
-
-$(..)po/%.pot: $(objpfx)distinfo $(..)MakeTAGS FORCE
- $(MAKE) $(addprefix -f ,$(filter-out FORCE,$^)) $@
FORCE:
-
.PHONY: echo-headers
echo-headers:
@echo $(headers)
+%.bz2: %; bzip2 -9vk $<
+%.gz: %; gzip -9vnc $< > $@.new && mv -f $@.new $@
\f
# Common cleaning targets.
$(test-srcs)) \
$(addsuffix -bp.out,$(tests) $(xtests) \
$(test-srcs)))
- -rm -f $(addprefix $(objpfx),$(extra-objs) $(install-lib) \
- $(install-lib.so) \
+ -rm -f $(addprefix $(objpfx),$(extra-objs) $(extra-test-objs) \
+ $(install-lib) $(install-lib.so) \
$(install-lib.so:%.so=%_pic.a))
-rm -f core
-rm -f $(objpfx)rtld-*.os
# Also remove the dependencies and generated source files.
common-clean: common-mostlyclean
- -rm -f $(addprefix $(objpfx),$(generated)) $(+depfiles)
- -rm -f $(objpfx)rtld-*.d
+ -rm -f $(addprefix $(objpfx),$(generated))
+ -rm -f $(objpfx)*.d $(objpfx)*.dt
-rm -fr $(addprefix $(objpfx),$(generated-dirs))
-rm -f $(addprefix $(common-objpfx),$(common-generated))
- -rm -f $(objpfx)distinfo
\f
# Produce a file `stubs' which contains `#define __stub_FUNCTION'
# for each function which is a stub. We grovel over all the .d files
.PHONY: stubs # The parent Makefile calls this target.
stubs: $(objpfx)stubs
endif
-$(objpfx)stubs: $(+depfiles)
-# Use /dev/null since `...` might expand to empty.
- (s=`cd $(sysdep_dir) && $(PWD_P)`; \
- $(patsubst %/,cd % &&,$(objpfx)) \
- sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
- `sed -n -e 's@$(sysdep_dir)/@'"$$s"'/@g' \
- -e 's@\$$(common-objpfx)@$(..)@g' -e 's@\$$(objpfx)@@g' \
- -e '/: *[^ ]/{s@^.*: *\([^ ]*\) .*$$@\1@; h; }' \
- -e '/:$$/d' \
- -e '/stub-tag\.h/{; g; p; }' \
- $(patsubst $(objpfx)%,%,$^) /dev/null` \
- /dev/null) > $@T
+objs-for-stubs := $(foreach o,$(object-suffixes-for-libc),$(o-objects)) \
+ $(addprefix $(objpfx),$(extra-objs))
+$(objpfx)stubs: $(objs-for-stubs)
+ifneq (,$(strip $(objs-for-stubs)))
+ (cd $(objpfx).; $(OBJDUMP) -h $(patsubst $(objpfx)%,%,$^)) | \
+ $(AWK) '/\.gnu\.glibc-stub\./ { \
+ sub(/\.gnu\.glibc-stub\./, "", $$2); \
+ stubs[$$2] = 1; } \
+ END { for (s in stubs) print "#define __stub_" s }' > $@T
mv -f $@T $@
-\f
-# Make the distribution tar file.
-
-.PHONY: dist
-dist: $(objpfx)distinfo $(..)Make-dist
- $(MAKE) -f $< -f $(word 2,$^) $(Make-dist-args)
-
-# Avoid depending on source files found in sysdeps dirs,
-# because the references affect implicit rule selection.
-dist: $(filter-out %.c %.S %.s,$(distribute))
-
-# We used to simply export all these variables, but that frequently made the
-# environment get too large. Instead, we write all the information into
-# a generated makefile fragment `distinfo', and then include it with -f in
-# the sub-make that makes the distribution (above).
-$(objpfx)distinfo: Makefile $(..)Makerules \
- $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile))
- $(make-target-directory)
- $(distinfo-vars)
- mv -f $@.new $@
-.PHONY: subdir_distinfo
-subdir_distinfo: $(objpfx)distinfo
-
-define distinfo-vars
-rm -f $@.new
-echo > $@.new 'subdir := $(subdir)'
-$(foreach var,subdir-dirs sources elided-routines sysdep_routines \
- headers sysdep_headers distribute dont_distribute generated \
- others tests xtests test-srcs extra-libs versioned \
- $(extra-libs:%=%-routines) \
- $(addprefix install-,lib lib.so data bin bin-script sbin others),
-echo >> $@.new '$(subdir)-$(var) := $($(var))'
-echo >> $@.new '$(var) = $$($(subdir)-$(var))')
-endef
+else
+ > $@
+endif
\f
ifneq (,$(strip $(gpl2lgpl)))
ifneq (,$(wildcard $(..)gpl2lgpl.sed))
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