mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-21 20:40:05 +00:00
* Makerules (check-abi-%): Use two rules for $(common-objpfx) and
$(objpfx) directories, and get rid of vpath directives. The previous arrangement resulted in files being written to the source directories when run in a clean build. Find all .abilist files in $(..)abilist/. (update-abi-%): Likewise. (generated): Don't add .symlist files, they'll be intermediates. * sysdeps/generic/init-first.c: Add a comment. * elf/Makefile ($(objpfx)ld.so): Pass -z defs in link. * scripts/gen-as-const.awk: Grok lone "--" as a separator between #includes and expressions. * scripts/merge-abilist.awk: Omit cpu-.*-os.*/modifier from merged config list when it already contains cpu-.*-os.* without / part. * Makerules (sed-remove-dotdot): New variable. ($(common-objpfx)%.make): Use it. Depend on $(before-compile). ($(common-objpfx)%.h $(common-objpfx)%.h.d): Likewise. (check-abi-config): New variable, append /tls or /notls to the tuple. (check-abi-%): Use that for -v config value. Find .abilist files in abilist/libfoo.abilist, not in subdir. * Rules: Move bits/stdio_lim.h generation rules to Makerules.
This commit is contained in:
Roland McGrath
parent
6b06477180
commit
9ae1033217
27
ChangeLog
27
ChangeLog
@ -1,3 +1,30 @@
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2003-01-14 Roland McGrath <roland@redhat.com>
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* Makerules (check-abi-%): Use two rules for $(common-objpfx) and
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$(objpfx) directories, and get rid of vpath directives. The previous
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arrangement resulted in files being written to the source directories
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when run in a clean build. Find all .abilist files in $(..)abilist/.
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(update-abi-%): Likewise.
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(generated): Don't add .symlist files, they'll be intermediates.
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* sysdeps/generic/init-first.c: Add a comment.
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* elf/Makefile ($(objpfx)ld.so): Pass -z defs in link.
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* scripts/gen-as-const.awk: Grok lone "--" as a separator between
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#includes and expressions.
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* scripts/merge-abilist.awk: Omit cpu-.*-os.*/modifier from merged
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config list when it already contains cpu-.*-os.* without / part.
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* Makerules (sed-remove-dotdot): New variable.
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($(common-objpfx)%.make): Use it. Depend on $(before-compile).
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($(common-objpfx)%.h $(common-objpfx)%.h.d): Likewise.
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(check-abi-config): New variable, append /tls or /notls to the tuple.
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(check-abi-%): Use that for -v config value.
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Find .abilist files in abilist/libfoo.abilist, not in subdir.
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* Rules: Move bits/stdio_lim.h generation rules to Makerules.
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2003-01-14 Ulrich Drepper <drepper@redhat.com>
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* manual/install.texi: Correct description of header preparation for
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133
Makerules
133
Makerules
@ -151,15 +151,19 @@ endif
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# can only be figured out from headers, write a FOO.make.c input
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# file that uses cpp contructs and contains @@@ LINE @@@ for each LINE
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# to emit in the generated makefile, and use -include $(common-objpfx)FOO.make.
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$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules
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$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(before-compile)
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rm -f $@T $@.dT
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(echo '# Generated from $*.make.c by Makerules.'; \
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SUNPRO_DEPENDENCIES='$@.dT $$(common-objpfx)$*.make' \
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$(CC) $(CFLAGS) $(CPPFLAGS) -E $< \
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| sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \
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echo 'common-generated += $(@F)'; \
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sed $(sed-remove-objpfx) $@.dT; rm -f $@.dT) > $@T
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sed $(sed-remove-objpfx) $(sed-remove-dotdot) $@.dT; \
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rm -f $@.dT) > $@T
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mv -f $@T $@
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sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \
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-e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g'
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# Generate an ordered list of implicit rules which find the source files in
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# each sysdep directory. The old method was to use vpath to search all the
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@ -662,8 +666,13 @@ ifeq ($(build-programs),yes)
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endif
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+depfiles := $(addprefix $(objpfx),\
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$(filter-out $(addsuffix .d,$(omit-deps)),\
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$(+depfiles))) \
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$(addprefix $(common-objpfx),$(gen-as-const-headers:.sym=.h.d))
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$(+depfiles)))
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# Avoid the .h.d files for any .sym files whose .h files don't exist yet.
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# They will be generated when they're needed, and trying too early won't work.
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+gen-as-const := $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
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+depfiles += $(addsuffix .d,$(filter $(wildcard $(+gen-as-const)),\
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$(+gen-as-const)))
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ifdef +depfiles
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ifneq ($(no_deps),t)
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@ -1137,24 +1146,48 @@ ifeq ($(versioning),yes)
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$(OBJDUMP) --dynamic-syms $< > $@T
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mv -f $@T $@
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vpath %.symlist $(objpfx) $(common-objpfx)
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vpath %.dynsym $(objpfx) $(common-objpfx)
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vpath %.so $(objpfx) $(common-objpfx)
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check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \
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%.abilist %.symlist
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$(..)abilist/%.abilist $(objpfx)%.symlist
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$(check-abi)
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check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \
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$(..)abilist/%.abilist $(common-objpfx)%.symlist
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$(check-abi)
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define check-abi
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LC_ALL=C \
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$(AWK) -f $< \
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-v 'config=$(config-machine)-$(config-vendor)-$(config-os)' \
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$(AWK) -f $< -v 'config=$(check-abi-config)' \
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$(filter %.abilist,$^) \
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| diff -pu0 - $(filter %.symlist,$^)
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endef
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update-abi-%: $(..)scripts/merge-abilist.awk %.abilist %.symlist
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ifeq ($(sysd-sorted-done),t)
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include $(common-objpfx)tls.make
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config-tls-yes := tls
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config-tls-no := notls
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check-abi-config := \
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$(config-machine)-$(config-vendor)-$(config-os)/$(config-tls-$(use-thread))
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endif
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update-abi-%: $(..)scripts/merge-abilist.awk $(..)abilist/%.abilist \
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$(objpfx)%.symlist
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$(update-abi)
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update-abi-%: $(..)scripts/merge-abilist.awk $(..)abilist/%.abilist \
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$(common-objpfx)%.symlist
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$(update-abi)
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ifndef update-abi-config
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define update-abi
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@echo 'Run $(MAKE) $@ update-abi-config=REGEXP'; exit 2
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endef
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else
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LC_ALL=C $(AWK) -v config=$(update-abi-config) -f $^ > $*.abilist.new
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mv -f $*.abilist.new $*.abilist
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@echo '*** Now check $*.abilist changes for correctness ***'
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define update-abi
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LC_ALL=C $(AWK) -v config=$(update-abi-config) -f $^ \
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> $(..)abilist/$*.abilist.new
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@if cmp -s $(..)abilist/$*.abilist.new $(..)abilist/$*.abilist 2> /dev/null; \
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then rm -f $(..)abilist/$*.abilist.new; \
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echo '+++ $(..)abilist/$*.abilist is unchanged'; \
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else mv -f $(..)abilist/$*.abilist.new $(..)abilist/$*.abilist; \
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echo '*** Now check $*.abilist changes for correctness ***'; \
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fi
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endef
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endif
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.PHONY: update-abi check-abi
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@ -1168,9 +1201,8 @@ check-abi: subdir_check-abi
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update-abi: subdir_update-abi
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endif
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# Enable this well all the .abilist files are in place.
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# Enable this when all the .abilist files are in place.
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#tests: check-abi
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generated += $(install-lib.so-versioned:.so=.symlist)
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ifeq ($(subdir),elf)
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check-abi: check-abi-libc
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@ -1181,21 +1213,82 @@ endif
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endif
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# Generating headers for assembly constants.
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$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk %.sym
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$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk \
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%.sym $(before-compile)
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$(AWK) -f $< $(filter %.sym,$^) \
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| $(CC) -S -o - $(CFLAGS) $(CPPFLAGS) -x c - \
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-MD -MF $(@:.h=.h.d)T -MT '$(@:.h=.h.d) $(@:.h.d=.h)' \
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| 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
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sed $(sed-remove-objpfx) \
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-e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \
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-e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g' \
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sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
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$(@:.h=.h.d)T > $(@:.h=.h.d)T2
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rm -f $(@:.h=.h.d)T
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mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
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mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
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vpath %.sym $(sysdirs)
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ifeq (,$(wildcard $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)))
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before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
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endif
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# There's no good place to put this - here will do.
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# The dependencies are wrong if it's run from the top level.
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ifeq ($(filter %posix, $(sysdirs)),)
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L_tmpnam = 1
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TMP_MAX = 0
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L_ctermid = 1
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L_cuserid = 1
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else
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L_tmpnam = 20
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TMP_MAX = 238328
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L_ctermid = 9
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L_cuserid = 9
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endif
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stdio_lim = $(common-objpfx)bits/stdio_lim.h
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$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
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$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
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$(common-objpfx)config.make
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$(make-target-directory)
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echo '#include "$(..)posix/bits/posix1_lim.h"' | \
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SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
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$(CC) $(+includes) -E -dM -xc - -o $(@:st=hT)
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echo '#include "$(..)misc/sys/uio.h"' | \
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SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
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$(CC) -D_LIBC=1 $(+includes) -E -dM -xc - | cat - >> $(@:st=hT)
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ifdef sed-remove-objpfx
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sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt)
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cat $(@:st=dt) >> $(@:st=d)
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else
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cat $(@:st=dT) >> $(@:st=d)
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endif
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fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \
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filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \
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iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \
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fopen_max=$${fopen_max:-16}; \
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filename_max=$${filename_max:-1024}; \
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if [ -z $$iov_max ]; then \
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define_iov_max="# undef IOV_MAX"; \
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else \
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define_iov_max="# define IOV_MAX $$iov_max"; \
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fi; \
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sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
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-e "s/@FILENAME_MAX@/$$filename_max/" \
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-e "s/@L_tmpnam@/$(L_tmpnam)/" \
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-e "s/@TMP_MAX@/$(TMP_MAX)/" \
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-e "s/@L_ctermid@/$(L_ctermid)/" \
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-e "s/@L_cuserid@/$(L_cuserid)/" \
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-e "s/@define_IOV_MAX@/$$define_iov_max/" \
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$< > $(@:st=h.new)
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$(move-if-change) $(@:st=h.new) $(@:st=h)
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# Remove these last so that they can be examined if something went wrong.
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rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt)
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touch $@
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# Get dependencies.
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ifndef no_deps
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-include $(stdio_lim:h=d)
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endif
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common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st
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.PHONY: TAGS
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TAGS: $(objpfx)distinfo $(..)MakeTAGS
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61
Rules
61
Rules
@ -1,4 +1,4 @@
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# Copyright (C) 1991-2000, 2002 Free Software Foundation, Inc.
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# Copyright (C) 1991-2000,2002,2003 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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@ -185,65 +185,6 @@ before-compile: $(before-compile)
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$(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile);
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$(compile-command.c)
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# There's no good place to put this - here will do.
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# The dependencies are wrong if it's run from the top level.
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ifeq ($(filter %posix, $(sysdirs)),)
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L_tmpnam = 1
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TMP_MAX = 0
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L_ctermid = 1
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L_cuserid = 1
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else
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L_tmpnam = 20
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TMP_MAX = 238328
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L_ctermid = 9
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L_cuserid = 9
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endif
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stdio_lim = $(common-objpfx)bits/stdio_lim.h
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$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
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$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
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$(common-objpfx)config.make
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$(make-target-directory)
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echo '#include "$(..)posix/bits/posix1_lim.h"' | \
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SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
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$(CC) $(+includes) -E -dM -xc - -o $(@:st=hT)
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echo '#include "$(..)misc/sys/uio.h"' | \
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SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \
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$(CC) -D_LIBC=1 $(+includes) -E -dM -xc - | cat - >> $(@:st=hT)
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ifdef sed-remove-objpfx
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sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt)
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cat $(@:st=dt) >> $(@:st=d)
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else
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cat $(@:st=dT) >> $(@:st=d)
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endif
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fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \
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filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \
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iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \
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fopen_max=$${fopen_max:-16}; \
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filename_max=$${filename_max:-1024}; \
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if [ -z $$iov_max ]; then \
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define_iov_max="# undef IOV_MAX"; \
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else \
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define_iov_max="# define IOV_MAX $$iov_max"; \
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fi; \
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sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
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-e "s/@FILENAME_MAX@/$$filename_max/" \
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-e "s/@L_tmpnam@/$(L_tmpnam)/" \
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-e "s/@TMP_MAX@/$(TMP_MAX)/" \
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-e "s/@L_ctermid@/$(L_ctermid)/" \
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-e "s/@L_cuserid@/$(L_cuserid)/" \
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-e "s/@define_IOV_MAX@/$$define_iov_max/" \
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$< > $(@:st=h.new)
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$(move-if-change) $(@:st=h.new) $(@:st=h)
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# Remove these last so that they can be examined if something went wrong.
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rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt)
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touch $@
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# Get dependencies.
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ifndef no_deps
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-include $(stdio_lim:h=d)
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endif
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common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st
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# Local Variables:
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# mode: makefile
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# End:
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@ -235,11 +235,12 @@ $(objpfx)librtld.os: $(objpfx)dl-allobjs.os $(objpfx)rtld-libc.a
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$(objpfx)ld.so: $(objpfx)librtld.os $(ld-map)
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@rm -f $@.lds
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$(LINK.o) -nostdlib -nostartfiles -shared \
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$(LDFLAGS-rtld) -Wl,--verbose 2>&1 | \
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$(LDFLAGS-rtld) -Wl,-z,defs -Wl,--verbose 2>&1 | \
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sed -e '/^=========/,/^=========/!d;/^=========/d' \
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-e 's/\. = 0 + SIZEOF_HEADERS;/& _begin = . - SIZEOF_HEADERS;/' \
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> $@.lds
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$(LINK.o) -nostdlib -nostartfiles -shared -o $@ $(LDFLAGS-rtld) \
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$(LINK.o) -nostdlib -nostartfiles -shared -o $@ \
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$(LDFLAGS-rtld) -Wl,-z,defs \
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$(filter-out $(map-file),$^) $(load-map-file) \
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-Wl,-soname=$(rtld-installed-name) -T $@.lds
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rm -f $@.lds
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@ -17,6 +17,9 @@ NF >= 1 && !started {
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started = 1;
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}
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# Separator.
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$1 == "--" { next }
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NF == 1 { sub(/^.*$/, "& &"); }
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NF > 1 {
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@ -20,6 +20,8 @@
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#include <unistd.h>
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#include <sys/types.h>
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/* Set nonzero if we have to be prepared for more then one libc being
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used in the process. Safe assumption if initializer never runs. */
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int __libc_multiple_libcs attribute_hidden = 1;
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extern void __libc_init (int, char **, char **);
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