diff options
Diffstat (limited to 'Makerules')
| -rw-r--r-- | Makerules | 287 |
1 files changed, 141 insertions, 146 deletions
@@ -1,4 +1,4 @@ -# Copyright (C) 1991-2002, 2003, 2004 Free Software Foundation, Inc. +# Copyright (C) 1991-2002,2003,2004,2005,2006 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 @@ -56,22 +56,6 @@ ifndef +included-Makeconfig 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 @@ -94,7 +78,7 @@ vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ # 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 @@ -165,7 +149,7 @@ ifndef subdir $(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(common-before-compile) rm -f $@T $@.dT (echo '# Generated from $*.make.c by Makerules.'; \ - $(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)'; \ @@ -183,6 +167,7 @@ sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \ endif +ifdef gen-as-const-headers # Generating headers for assembly constants. # We need this defined early to get into before-compile before # it's used in sysd-rules, below. @@ -201,6 +186,16 @@ $(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \ mv -f $(@:.h.d=.h)T $(@:.h.d=.h) vpath %.sym $(sysdirs) before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) + +tests += $(gen-as-const-headers:%.sym=test-as-const-%) +generated += $(gen-as-const-headers:%.sym=test-as-const-%.c) +$(objpfx)test-as-const-%.c: $(..)scripts/gen-as-const.awk $(..)Makerules \ + %.sym $(common-objpfx)%.h + ($(AWK) '{ sub(/^/, "asconst_", $$2); print; }' $(filter %.h,$^); \ + $(AWK) -v test=1 -f $< $(filter %.sym,$^); \ + echo '#include "$(..)test-skeleton.c"') > $@T + mv -f $@T $@ +endif # Generate an ordered list of implicit rules which find the source files in # each sysdep directory. The old method was to use vpath to search all the @@ -208,53 +203,6 @@ before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) # later directory would be chosen over a .c file in an earlier directory, # which does not preserve the desired sysdeps ordering behavior. -# 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. -define o-iterator-doit -$(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) - -define o-iterator-doit -$(objpfx)%$o: %.s $(before-compile); $$(compile-command.s) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) - -define o-iterator-doit -$(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) - -# Omit the objpfx rules when building in the source tree, because -# objpfx is empty and so these rules just override the ones above. -ifdef objpfx -# Define first rules to find the source files in $(objpfx). -# Generated source files will end up there. -define o-iterator-doit -$(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) - -define o-iterator-doit -$(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) - -define o-iterator-doit -$(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) -endef -object-suffixes-left := $(all-object-suffixes) -include $(o-iterator) -endif - # System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard # patterns matching sysdep directories whose assembly source files should # be suppressed. @@ -265,20 +213,22 @@ endef close-check-inhibit-asm = ;; esac ; endif --include $(+sysdir_pfx)sysd-rules +-include $(common-objpfx)sysd-rules ifneq ($(sysd-rules-sysdirs),$(config-sysdirs)) # The value of $(+sysdep_dirs) the sysd-rules was computed for # differs from the one we are using now. So force a rebuild of sysd-rules. sysd-rules-force = FORCE FORCE: endif -$(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \ - $(wildcard $(foreach dir,$(sysdirs),\ - $(dir)/Makefile))\ - $(sysd-rules-force) +$(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:%='$$(..)%'); do \ + for dir in $(config-sysdirs); do \ + case "$$dir" in \ + /*) ;; \ + *) dir="\$$(..)$$dir" ;; \ + esac; \ for o in $(all-object-suffixes); do \ $(open-check-inhibit-asm) \ echo "\$$(objpfx)%$$o: $$dir/%.S \$$(before-compile); \ @@ -293,6 +243,10 @@ $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \ \$$(compile-command.S)"; \ echo "\$$(objpfx)ptw-%$$o: $$dir/%.s \$$(before-compile); \ \$$(compile-command.s)"; \ + echo "\$$(objpfx)m_%$$o: $$dir/s_%.S \$$(before-compile); \ + \$$(compile-command.S)"; \ + echo "\$$(objpfx)m_%$$o: $$dir/s_%.s \$$(before-compile); \ + \$$(compile-command.s)"; \ $(close-check-inhibit-asm) \ echo "\$$(objpfx)%$$o: $$dir/%.c \$$(before-compile); \ \$$(compile-command.c)"; \ @@ -300,9 +254,11 @@ $(+sysdir_pfx)sysd-rules: $(+sysdir_pfx)config.make $(..)Makerules \ \$$(compile-command.c)"; \ echo "\$$(objpfx)ptw-%$$o: $$dir/%.c \$$(before-compile); \ \$$(compile-command.c)"; \ + echo "\$$(objpfx)m_%$$o: $$dir/s_%.c \$$(before-compile); \ + \$$(compile-command.c)"; \ done; \ - echo "\$$(objpfx)m_%.S: $$dir/s_%.S; \$$(+make-include-of-dep)"; \ - echo "\$$(objpfx)m_%.c: $$dir/s_%.c; \$$(+make-include-of-dep)"; \ + echo "\$$(inst_includedir)/%.h: $$dir/%.h \$$(+force); \ + \$$(do-install)"; \ done; \ echo 'sysd-rules-done = t') > $@T mv -f $@T $@ @@ -312,11 +268,53 @@ ifndef sysd-rules-done no_deps=t endif -# This is used by the m_%.[Sc] pattern rules in sysd-rules. -define +make-include-of-dep -echo '#include <$<>' > $@T -mv -f $@T $@ +define o-iterator-doit +$(objpfx)%$o: %.S $(before-compile); $$(compile-command.S) endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) + +define o-iterator-doit +$(objpfx)%$o: %.s $(before-compile); $$(compile-command.s) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) + +define o-iterator-doit +$(objpfx)%$o: %.c $(before-compile); $$(compile-command.c) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) + +define o-iterator-doit +$(objpfx)%$o: %.cc $(before-compile); $$(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. +ifdef objpfx +# Define first rules to find the source files in $(objpfx). +# Generated source files will end up there. +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.S $(before-compile); $$(compile-command.S) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) + +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(compile-command.s) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) + +define o-iterator-doit +$(objpfx)%$o: $(objpfx)%.c $(before-compile); $$(compile-command.c) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) +endif # Generate version maps, but wait until sysdep-subdirs is known ifeq ($(sysd-sorted-done),t) @@ -328,7 +326,7 @@ postclean-generated += sysd-versions Versions.all abi-versions.h \ Versions.def.v.i Versions.def.v Versions.v.i Versions.v ifndef avoid-generated -ifneq ($(sysd-versions-subdirs),$(all-subdirs) $(config-sysdirs)) +ifneq ($(sysd-versions-subdirs),$(sorted-subdirs) $(config-sysdirs)) sysd-versions-force = FORCE FORCE: endif @@ -338,21 +336,22 @@ $(common-objpfx)Versions.def.v.i: $(..)Versions.def \ $(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \ $(common-objpfx)soversions.i \ $(common-objpfx)Versions.def.v - { while read lib version setname; do \ + { while read which lib version setname; do \ + test x"$$which" = xDEFAULT || continue; \ test -z "$$setname" || echo "$$lib : $$setname"; \ done < $(word 2,$^); \ cat $(word 3,$^); \ } | LC_ALL=C $(AWK) -f $< > $@T mv -f $@T $@ # See %.v/%.v.i implicit rules in Makeconfig. -$(common-objpfx)Versions.v.i: $(wildcard $(all-subdirs:%=$(..)%/Versions)) \ +$(common-objpfx)Versions.v.i: $(wildcard $(subdirs:%=$(..)%/Versions)) \ $(wildcard $(sysdirs:%=%/Versions)) \ $(common-objpfx)abi-versions.h \ $(sysd-versions-force) $(common-objpfx)sysd-versions: $(common-objpfx)Versions.all \ $(common-objpfx)Versions.v \ $(..)scripts/versions.awk - ( echo 'sysd-versions-subdirs = $(all-subdirs) $(config-sysdirs)' ; \ + ( echo 'sysd-versions-subdirs = $(subdirs) $(config-sysdirs)' ; \ cat $(word 2,$^) \ | LC_ALL=C $(AWK) -v buildroot=$(common-objpfx) -v defsfile=$< \ -v move_if_change='$(move-if-change)' \ @@ -368,9 +367,11 @@ compile-mkdep-flags = -MD -MP -MF $@.dt -MT $@ compile-command.S = $(compile.S) $(OUTPUT_OPTION) $(compile-mkdep-flags) compile-command.s = $(COMPILE.s) $< $(OUTPUT_OPTION) $(compile-mkdep-flags) compile-command.c = $(compile.c) $(OUTPUT_OPTION) $(compile-mkdep-flags) +compile-command.cc = $(compile.cc) $(OUTPUT_OPTION) $(compile-mkdep-flags) # GCC can grok options after the file name, and it looks nicer that way. compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS) +compile.cc = $(CXX) $< -c $(CXXFLAGS) $(CPPFLAGS) compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) \ $(ASFLAGS) $(ASFLAGS-$(suffix $@)) COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \ @@ -486,12 +487,18 @@ $(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules -Wl,--verbose 2>&1 | \ sed > $@T \ -e '/^=========/,/^=========/!d;/^=========/d' \ - -e 's/^.*\.hash[ ]*:.*$$/ .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 = .);/'\ - -e 's/^.*\*(\.jcr).*$$/& \ + -e 's@^.*\*(\.jcr).*$$@& \ PROVIDE(__start___libc_subfreeres = .);\ __libc_subfreeres : { *(__libc_subfreeres) }\ PROVIDE(__stop___libc_subfreeres = .);\ @@ -500,7 +507,8 @@ $(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules PROVIDE(__stop___libc_atexit = .);\ PROVIDE(__start___libc_thread_subfreeres = .);\ __libc_thread_subfreeres : { *(__libc_thread_subfreeres) }\ - PROVIDE(__stop___libc_thread_subfreeres = .);/' + PROVIDE(__stop___libc_thread_subfreeres = .);\ + /DISCARD/ : { *(.gnu.glibc-stub.*) }@' mv -f $@T $@ common-generated += shlib.lds @@ -550,6 +558,11 @@ define build-module $(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 @@ -663,18 +676,25 @@ include $(patsubst %,$(..)extra-lib.mk,$(extra-libs)) endif -# The makefile may define $(modules-names) # to build additional -# modules. +# 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 +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)) @@ -970,7 +990,7 @@ $(inst_libdir)/libc.so: $(common-objpfx)format.lds \ 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 $@ @@ -1093,8 +1113,21 @@ $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force) 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 \ @@ -1160,9 +1193,9 @@ xcheck: xtests 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,$(cpp-srcs-left)) endif # The include magic above causes those files to use this variable for flags. @@ -1261,18 +1294,12 @@ endif endif -# There's no good place to put this - here will do. -ifeq ($(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); @: @@ -1315,15 +1342,8 @@ ifndef no_deps endif common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st -.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) @@ -1356,8 +1376,8 @@ common-mostlyclean: $(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 @@ -1373,7 +1393,6 @@ common-clean: common-mostlyclean -rm -f $(objpfx)*.d $(objpfx)*.dt -rm -fr $(addprefix $(objpfx),$(generated-dirs)) -rm -f $(addprefix $(common-objpfx),$(common-generated)) - -rm -f $(objpfx)distinfo # Produce a file `stubs' which contains `#define __stub_FUNCTION' # for each function which is a stub. We grovel over all the .d files @@ -1384,44 +1403,20 @@ ifdef objpfx .PHONY: stubs # The parent Makefile calls this target. stubs: $(objpfx)stubs endif -$(objpfx)stubs: $(+depfiles) -ifneq (,$(strip $(+depfiles))) -# Use /dev/null since `...` might expand to empty. - c=`($(patsubst %/,cd % &&,$(objpfx)) \ - sed -n -e 's@\$$(common-objpfx)@$(common-objpfx)@g' \ - -e 's@\$$(objpfx)@$(objpfx)@g' \ - -e '/stub-tag\.h/{; g; s/./&/p; }' \ - -e '/:/{x; s/^.*$$//; x; }' \ - -e 's/^.*://;s/\\$$//;s/^ *\([^ ][^ ]*\) .*$$/\1/' \ - -e '/^[^ ][^ ]*$$/{G;s/^.*\n\(..*\)/\1/;s/\n//;h; }' \ - $(patsubst $(objpfx)%,%,$^)) | sort | uniq`; \ - sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \ - $$c /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 $@ else > $@ endif -# This information is not used for making distributions any more. -# But it's used by MakeTAGS for making TAGS files and the .pot files. -$(objpfx)distinfo: Makefile $(..)Makerules \ - $(wildcard $(foreach dir,$(sysdirs),$(dir)/Makefile)) - $(make-target-directory) - $(distinfo-vars) - mv -f $@.new $@ - -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 - ifneq (,$(strip $(gpl2lgpl))) ifneq (,$(wildcard $(..)gpl2lgpl.sed)) # Snarf from the master source and frob the copying notice. |