-# Copyright (C) 1991-2002, 2003 Free Software Foundation, Inc.
+# Copyright (C) 1991-2002, 2003, 2004 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
endif # avoid-generated
endif # $(versioning) = yes
-# When we have no deps pass doing it, then make sure the subdirectory
-# for object files gets created.
-ifdef no_deps
+# Make sure the subdirectory for object files gets created.
ifdef objpfx
+ifeq (,$(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 $(..)Makerules
+#
+# We only generate these in the top-level makefile, to avoid any weirdness
+# from subdir-specific makefile tweaks creeping in on an update.
+$(common-objpfx)%.make: $(..)%.make.c $(..)Makerules $(common-before-compile)
rm -f $@T $@.dT
(echo '# Generated from $*.make.c by Makerules.'; \
- SUNPRO_DEPENDENCIES='$@.dT $$(common-objpfx)$*.make' \
$(CC) $(CFLAGS) $(CPPFLAGS) -E $< \
+ -MD -MP -MT '$$(common-objpfx)$*.make' -MF $@.dT \
| sed -n '/@@@/{s/@@@[ ]*\(.*\)@@@/\1/;s/[ ]*$$//p;}'; \
echo 'common-generated += $(@F)'; \
- sed $(sed-remove-objpfx) $@.dT; rm -f $@.dT) > $@T
+ 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' \
+ -e 's@^\.\.\/\([^ \]*\)@$$(..)\1@g'
+else
+sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \
+ -e 's@^\([^ \/$$][^ \]*\)@$$(..)\1@g'
+endif
+
+
+# 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@@@.*$$/#define \1 \2/p' \
+ $(@:.h.d=.h)T3 > $(@:.h.d=.h)T
+ rm -f $(@:.h.d=.h)T3
+ sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
+ $(@:.h=.h.d)T > $(@:.h=.h.d)T2
+ rm -f $(@:.h=.h.d)T
+ mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
+ mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
+vpath %.sym $(sysdirs)
+before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
\f
# Generate an ordered list of implicit rules which find the source files in
# each sysdep directory. The old method was to use vpath to search all the
# later directory would be chosen over a .c file in an earlier directory,
# which does not preserve the desired sysdeps ordering behavior.
-# When making the list of .d files to include, we can't know which ones
-# have source in .s files, and thus do not in fact need a .d file.
-# So we must define rules to make .d files for .s files.
-define make-dummy-dep
-$(addprefix ln $(common-objpfx)dummy.d ,$(filter-out $(wildcard $@),$@))
-endef
-$(common-objpfx)dummy.d:
- echo '# .s files cannot contain includes, so they need no deps.' > $@
-
# It matters that this set of rules, for compiling from sources in
# the current directory (the $srcdir/$subdir) come before the
# generated sysdep rules in included from sysd-rules below. When
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: %.S $(before-compile); $(+make-deps)
define o-iterator-doit
$(objpfx)%$o: %.s $(before-compile); $$(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); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: %.c $(before-compile); $(+make-deps)
# Omit the objpfx rules when building in the source tree, because
# objpfx is empty and so these rules just override the ones above.
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: $(objpfx)%.S $(before-compile); $(+make-deps)
define o-iterator-doit
$(objpfx)%$o: $(objpfx)%.s $(before-compile); $$(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); $$(compile-command.c)
endef
object-suffixes-left := $(all-object-suffixes)
include $(o-iterator)
-$(objpfx)%.d: $(objpfx)%.c $(before-compile); $(+make-deps)
endif
# System-dependent makefiles can put in `inhibit-sysdep-asm' wildcard
echo "\$$(objpfx)ptw-%$$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; \
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
+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)
# GCC can grok options after the file name, and it looks nicer that way.
compile.c = $(CC) $< -c $(CFLAGS) $(CPPFLAGS)
-compile.S = $(CC) $< -c $(CPPFLAGS) $(S-CPPFLAGS) $(ASFLAGS-$(suffix $@))
-COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) $(ASFLAGS-$(suffix $@))
+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 ($(elf),yes)
define build-shlib-helper
$(LINK.o) -shared $(static-libgcc) -Wl,-O1 $(sysdep-LDFLAGS) \
- $(if $($(@F)-no-z-defs),,-Wl,-z,defs) $(config-LDFLAGS) \
+ $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) $(config-LDFLAGS) \
$(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) \
ifeq (yes,$(elf))
# binutils only position loadable notes into the first page for binaries,
# not for shared objects
-define build-shlib
-$(build-shlib-helper) \
- -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \
- $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \
- sed -e '/^=========/,/^=========/!d;/^=========/d' \
+$(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) } &/' \
- $(LDSEDCMD-$(@F:lib%.so=%).so) > $@.lds
-rm -f $@.new
-$(build-shlib-helper) -o $@ -T $@.lds \
+ -e 's/^.*\*(\.dynbss).*$$/& \
+ PROVIDE(__start___libc_freeres_ptrs = .); \
+ *(__libc_freeres_ptrs) \
+ PROVIDE(__stop___libc_freeres_ptrs = .);/'\
+ -e 's/^.*\*(\.jcr).*$$/&\n\
+ PROVIDE(__start___libc_subfreeres = .);\n\
+ __libc_subfreeres : { *(__libc_subfreeres) }\n\
+ PROVIDE(__stop___libc_subfreeres = .);\n\
+ PROVIDE(__start___libc_atexit = .);\n\
+ __libc_atexit : { *(__libc_atexit) }\n\
+ PROVIDE(__stop___libc_atexit = .);\n\
+ PROVIDE(__start___libc_thread_subfreeres = .);\n\
+ __libc_thread_subfreeres : { *(__libc_thread_subfreeres) }\n\
+ PROVIDE(__stop___libc_thread_subfreeres = .);/'
+ mv -f $@T $@
+common-generated += shlib.lds
+
+define build-shlib
+$(build-shlib-helper) -o $@ -T $(common-objpfx)shlib.lds \
$(csu-objpfx)abi-note.o $(build-shlib-objlist)
-rm -f $@.lds
endef
else
ifneq (,$(findstring aix,$(config-os)))
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=$(rpath-link)
# binutils only position loadable notes into the first page for binaries,
# not for shared objects
define build-module
-$(build-module-helper) \
- -o $@.new $(csu-objpfx)abi-note.o -Wl,--verbose \
- $(LDLIBS-$(@F:lib%.so=%).so) 2>&1 | \
- sed -e '/^=========/,/^=========/!d;/^=========/d' \
- -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \
- > $@.lds
-rm -f $@.new
-$(build-module-helper) -o $@ -T $@.lds \
+$(build-module-helper) -o $@ -T $(common-objpfx)shlib.lds \
$(csu-objpfx)abi-note.o $(build-module-objlist)
-rm -f $@.lds
endef
else
ifneq (,$(findstring aix,$(config-os)))
build-module-helper-objlist = \
$(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\
- $(filter-out $(map-file) $(+preinit) $(+postinit),$^))
+ $(filter-out %.lds $(map-file) $(+preinit) $(+postinit),$^))
whole-archive := -Wl,--whole-archive
build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so)
LDLIBS-c.so += $(gnulib)
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -e __libc_main
-# Force the backward compatibility EH functions to be linked.
-LDFLAGS-c.so += -u __register_frame
# Pre-link the objects of libc_pic.a so that we can locally resolve
# COMMON symbols before we link against ld.so. This is because ld.so
# contains some of libc_pic.a already, which will prevent the COMMONs
$(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a
$(LINK.o) -nostdlib -nostartfiles -r -o $@ \
$(LDFLAGS-c_pic.os) -Wl,-d -Wl,--whole-archive $^
-LDSEDCMD-c.so = -e 's/^.*\*(\.dynbss).*$$/& __start___libc_freeres_ptrs = .; *(__libc_freeres_ptrs) __stop___libc_freeres_ptrs = .;/'
# Use our own special initializer and finalizer files for libc.so.
$(common-objpfx)libc.so: $(elfobjdir)/soinit.os \
$(common-objpfx)libc_pic.os \
$(elfobjdir)/sofini.os \
- $(elfobjdir)/interp.os $(elfobjdir)/ld.so
+ $(elfobjdir)/interp.os $(elfobjdir)/ld.so \
+ $(common-objpfx)shlib.lds
$(build-shlib)
ifeq ($(versioning),yes)
$(common-objpfx)libc.so: $(common-objpfx)libc.map
endif
+depfiles := $(addprefix $(objpfx),\
$(filter-out $(addsuffix .d,$(omit-deps)),\
- $(+depfiles))) \
- $(addprefix $(common-objpfx),$(gen-as-const-headers:.sym=.h.d))
+ $(+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.
++gen-as-const := $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
++depfiles += $(addsuffix .d,$(filter $(wildcard $(+gen-as-const)),\
+ $(+gen-as-const)))
ifdef +depfiles
ifneq ($(no_deps),t)
$(objpfx)stamp$o: $(o-objects); $$(do-stamp)
endef
define do-stamp
+$(make-target-directory)
echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T
mv -f $@T $@
endef
install-lib.so-versioned := $(filter $(versioned), $(install-lib.so))
install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so))
-install-lib-nosubdir: $(install-lib.so-versioned:%=$(inst_libdir)/%) \
- $(install-lib.so-unversioned:%=$(inst_slibdir)/%)
+# For versioned libraries, we install three files:
+# $(inst_libdir)/libfoo.so -- for linking, symlink or ld script
+# $(inst_slibdir)/libfoo.so.NN -- for loading by SONAME, symlink
+# $(inst_slibdir)/libfoo-X.Y.Z.so -- the real shared object file
+V := $(firstword $($(subdir)-version) $(version))
+install-lib-nosubdir: $(install-lib.so-unversioned:%=$(inst_slibdir)/%) \
+ $(foreach L,$(install-lib.so-versioned),\
+ $(inst_libdir)/$L \
+ $(inst_slibdir)/$(L:.so=)-$V.so \
+ $(inst_slibdir)/$L$($L-version))
# Install all the unversioned shared libraries.
$(install-lib.so-unversioned:%=$(inst_slibdir)/%): $(inst_slibdir)/%.so: \
define o-iterator-doit
$(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link)
endef
-object-suffixes-left := $(versioned)
+object-suffixes-left := $(filter-out $(install-lib-ldscripts),$(versioned))
+ifneq (,$(object-suffixes-left))
include $(o-iterator)
+endif
# Make symlinks in the build directory, because the versioned names might
# be referenced by a DT_NEEDED in another library.
$(OBJDUMP) --dynamic-syms $< > $@T
mv -f $@T $@
-vpath %.symlist $(objpfx) $(common-objpfx)
-vpath %.dynsym $(objpfx) $(common-objpfx)
-vpath %.so $(objpfx) $(common-objpfx)
check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \
- %.abilist %.symlist
+ $(..)abilist/%.abilist $(objpfx)%.symlist
+ $(check-abi)
+check-abi-%: $(..)scripts/extract-abilist.awk $(common-objpfx)config.make \
+ $(..)abilist/%.abilist $(common-objpfx)%.symlist
+ $(check-abi)
+define check-abi
LC_ALL=C \
- $(AWK) -f $< \
- -v 'config=$(config-machine)-$(config-vendor)-$(config-os)' \
+ $(AWK) -f $< -v 'config=$(check-abi-config)' \
$(filter %.abilist,$^) \
- | diff -pu0 - $(filter %.symlist,$^)
+ | { diff -pu0 - $(filter %.symlist,$^) $(check-abi-warn) ; }
+endef
+ifeq ($(enable-check-abi),warn)
+check-abi-warn = || echo '*** WARNING: $*.so failed ABI check'
+endif
-update-abi-%: $(..)scripts/merge-abilist.awk %.abilist %.symlist
+ifeq ($(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
+check-abi-config := \
+ $(config-machine)-$(config-vendor)-$(config-os)/$(config-tls)
+endif
+
+update-abi-%: $(..)scripts/merge-abilist.awk $(..)abilist/%.abilist \
+ $(objpfx)%.symlist
+ $(update-abi)
+update-abi-%: $(..)scripts/merge-abilist.awk $(..)abilist/%.abilist \
+ $(common-objpfx)%.symlist
+ $(update-abi)
ifndef update-abi-config
+define update-abi
@echo 'Run $(MAKE) $@ update-abi-config=REGEXP'; exit 2
+endef
else
- LC_ALL=C $(AWK) -v config=$(update-abi-config) -f $^ > $*.abilist.new
- mv -f $*.abilist.new $*.abilist
- @echo '*** Now check $*.abilist changes for correctness ***'
+define update-abi
+LC_ALL=C $(AWK) -v config='$(update-abi-config)' -f $^ \
+ > $(..)abilist/$*.abilist.new
+@if cmp -s $(..)abilist/$*.abilist.new $(..)abilist/$*.abilist 2> /dev/null; \
+ then rm -f $(..)abilist/$*.abilist.new; \
+ echo '+++ $(..)abilist/$*.abilist is unchanged'; \
+ else mv -f $(..)abilist/$*.abilist.new $(..)abilist/$*.abilist; \
+ echo '*** Now check $*.abilist changes for correctness ***'; \
+ fi
+endef
endif
.PHONY: update-abi check-abi
update-abi: subdir_update-abi
endif
-# Enable this well all the .abilist files are in place.
-#tests: check-abi
-generated += $(install-lib.so-versioned:.so=.symlist)
-
ifeq ($(subdir),elf)
check-abi: check-abi-libc
update-abi: update-abi-libc
common-generated += libc.symlist
endif
+ifeq ($(build-shared),yes)
+ifneq ($(enable-check-abi),no)
+ifdef subdir
+tests: check-abi
+endif
+endif
endif
-# Generating headers for assembly constants.
-$(common-objpfx)%.h $(common-objpfx)%.h.d: $(..)scripts/gen-as-const.awk %.sym
- $(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) \
- -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \
- -e 's@ *\.\.\/\([^ \]*\)@ $$(..)\1@g' \
- $(@:.h=.h.d)T > $(@:.h=.h.d)T2
- rm -f $(@:.h=.h.d)T
- mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d)
- mv -f $(@:.h.d=.h)T $(@:.h.d=.h)
-vpath %.sym $(sysdirs)
+endif
-before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h)
+# There's no good place to put this - here will do.
+ifeq ($(filter %posix, $(sysdirs)),)
+L_tmpnam = 1
+TMP_MAX = 0
+L_ctermid = 1
+L_cuserid = 1
+else
+L_tmpnam = 20
+TMP_MAX = 238328
+L_ctermid = 9
+L_cuserid = 9
+endif
+stdio_lim = $(common-objpfx)bits/stdio_lim.h
+
+$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @:
+$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \
+ $(common-objpfx)config.make
+ $(make-target-directory)
+ { echo '#include "$(..)posix/bits/posix1_lim.h"'; \
+ echo '#define _LIBC 1'; \
+ echo '#include "$(..)misc/sys/uio.h"'; } | \
+ $(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)' \
+ $(+includes) -xc - -o $(@:st=hT)
+ sed $(sed-remove-objpfx) $(sed-remove-dotdot) \
+ $(@:st=dT) > $(@:st=dt)
+ mv -f $(@:st=dt) $(@:st=d)
+ fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \
+ filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \
+ iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \
+ fopen_max=$${fopen_max:-16}; \
+ filename_max=$${filename_max:-1024}; \
+ if [ -z "$$iov_max" ]; then \
+ define_iov_max="# undef IOV_MAX"; \
+ else \
+ define_iov_max="# define IOV_MAX $$iov_max"; \
+ fi; \
+ sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
+ -e "s/@FILENAME_MAX@/$$filename_max/" \
+ -e "s/@L_tmpnam@/$(L_tmpnam)/" \
+ -e "s/@TMP_MAX@/$(TMP_MAX)/" \
+ -e "s/@L_ctermid@/$(L_ctermid)/" \
+ -e "s/@L_cuserid@/$(L_cuserid)/" \
+ -e "s/@define_IOV_MAX@/$$define_iov_max/" \
+ $< > $(@: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
.PHONY: TAGS
TAGS: $(objpfx)distinfo $(..)MakeTAGS
# 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
.PHONY: stubs # The parent Makefile calls this target.
stubs: $(objpfx)stubs
endif
-s = $(sysdep_dir)/generic
$(objpfx)stubs: $(+depfiles)
+ifneq (,$(strip $(+depfiles)))
# Use /dev/null since `...` might expand to empty.
- (s=`cd $s && $(PWD_P)`; \
- $(patsubst %/,cd % &&,$(objpfx)) \
- sed -n 's/^stub_warning *(\([^)]*\).*$$/#define __stub_\1/p' \
- `sed -n -e '\@ $s/[^ ]*\.c@{; s@^.* $s/\([^ ]*\.c\).*$$@'"$$s"'/\1@; h; }' \
- -e '/stub-tag\.h/{; g; p; }' \
- $(patsubst $(objpfx)%,%,$^) /dev/null` \
- /dev/null) > $@T
+ c=`($(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
mv -f $@T $@
+else
+ > $@
+endif
\f
# Make the distribution tar file.
git://sourceware.org / glibc.git / blobdiff