| # Copyright (C) 1991-2018 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 |
| # modify it under the terms of the GNU Lesser General Public |
| # License as published by the Free Software Foundation; either |
| # version 2.1 of the License, or (at your option) any later version. |
| |
| # The GNU C Library is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| # Lesser General Public License for more details. |
| |
| # You should have received a copy of the GNU Lesser General Public |
| # License along with the GNU C Library; if not, see |
| # <http://www.gnu.org/licenses/>. |
| |
| # |
| # Common rules for making the GNU C library. This file is included |
| # by the top-level Makefile and by all subdirectory makefiles |
| # (through Rules). |
| # |
| ifneq (,) |
| This makefile requires GNU Make. |
| endif |
| |
| REQUIRED_MAKE_VERSION = 3.74 |
| REAL_MAKE_VERSION = $(firstword $(MAKE_VERSION)) |
| |
| ifneq ($(REQUIRED_MAKE_VERSION), \ |
| $(firstword $(sort $(REAL_MAKE_VERSION) $(REQUIRED_MAKE_VERSION)))) |
| Wrong GNU Make version. See above for the version needed. |
| endif |
| |
| |
| ifdef subdir |
| .. := ../ |
| endif # subdir |
| |
| # If `sources' was defined by the parent makefile, undefine it so |
| # we will later get it from wildcard search in this directory. |
| ifneq "$(findstring env,$(origin sources))" "" |
| sources := |
| endif |
| |
| oPATH := $(PATH) |
| PATH := this definition should take precedence over $(oPATH) |
| ifeq ($(PATH),$(oPATH)) |
| You must not use the -e flag when building the GNU C library. |
| else |
| PATH := $(oPATH) |
| endif |
| |
| ifndef +included-Makeconfig |
| include $(..)Makeconfig |
| endif |
| |
| # 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 |
| # is produced for each object suffix in use. |
| o-iterator = $(patsubst %,$(..)o-iterator.mk,$(object-suffixes-left)) |
| |
| # Include any system-specific makefiles. |
| |
| # This is here so things in sysdep Makefiles can easily depend on foo.h as |
| # appropriate and not worry about where foo.h comes from, which may be |
| # system dependent and not known by that Makefile. |
| vpath %.h $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ |
| $(+sysdep_dirs) $(..))) |
| |
| # The same is true for RPC source files. |
| vpath %.x $(subst $(empty) ,:,$(strip $(common-objpfx) $(objpfx) \ |
| $(+sysdep_dirs) $(..))) |
| |
| # Some sysdep makefiles use this to distinguish being included here from |
| # being included individually by a subdir makefile (hurd/Makefile needs this). |
| in-Makerules := yes |
| |
| sysdep-makefiles := $(wildcard $(sysdirs:=/Makefile)) |
| ifneq (,$(sysdep-makefiles)) |
| include $(sysdep-makefiles) |
| endif |
| |
| |
| # Reorder before-compile so that mach things come first, and hurd things |
| # second, before all else. The mach and hurd subdirectories have many |
| # generated header files which the much of rest of the library depends on, |
| # so it is best to build them first (and mach before hurd, at that). |
| before-compile := $(filter $(common-objpfx)mach% $(common-objpfx)hurd%,\ |
| $(before-compile)) \ |
| $(filter-out $(common-objpfx)mach% $(common-objpfx)hurd%,\ |
| $(before-compile)) |
| |
| # Even before that, we need abi-versions.h which is generated right here. |
| ifeq ($(build-shared),yes) |
| ifndef avoid-generated |
| before-compile := $(common-objpfx)abi-versions.h $(before-compile) |
| $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \ |
| $(common-objpfx)Versions.all |
| LC_ALL=C $(AWK) -f $^ > $@T |
| mv -f $@T $@ |
| |
| $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h |
| sed -n '/ VERSION_$*_/{s/^.*_\([A-Z0-9_]*\).*$$/\1/;h;};$${g;p;}' \ |
| $(common-objpfx)abi-versions.h > $@T |
| mv -f $@T $@ |
| |
| # first-versions.h and ldbl-compat-choose.h provide macros used in |
| # various symbol versioning macro calls. |
| before-compile := $(common-objpfx)first-versions.h \ |
| $(common-objpfx)ldbl-compat-choose.h $(before-compile) |
| $(common-objpfx)first-versions.h: $(common-objpfx)versions.stmp |
| $(common-objpfx)ldbl-compat-choose.h: $(common-objpfx)versions.stmp |
| endif # avoid-generated |
| endif # $(build-shared) = yes |
| |
| ifndef avoid-generated |
| ifneq (,$(CXX)) |
| # If C++ headers <cstdlib> or <cmath> are used, GCC 6 will include |
| # /usr/include/stdlib.h or /usr/include/math.h from "#include_next" |
| # (instead of stdlib/stdlib.h or math/math.h in the glibc source |
| # directory), and this turns up as a make dependency. An implicit |
| # rule will kick in and make will try to install stdlib/stdlib.h or |
| # math/math.h as /usr/include/stdlib.h or /usr/include/math.h because |
| # the target is out of date. We make a copy of <cstdlib> and <cmath> |
| # in the glibc build directory so that stdlib/stdlib.h and math/math.h |
| # will be used instead of /usr/include/stdlib.h and /usr/include/math.h. |
| before-compile := $(common-objpfx)cstdlib $(common-objpfx)cmath \ |
| $(before-compile) |
| $(common-objpfx)cstdlib: $(c++-cstdlib-header) |
| $(INSTALL_DATA) $< $@T |
| $(move-if-change) $@T $@ |
| $(common-objpfx)cmath: $(c++-cmath-header) |
| $(INSTALL_DATA) $< $@T |
| $(move-if-change) $@T $@ |
| ifneq (,$(c++-bits-std_abs-h)) |
| # Also make a copy of <bits/std_abs.h> from GCC 7 to prevent it from |
| # including /usr/include/stdlib.h. |
| before-compile := $(common-objpfx)bits/std_abs.h $(before-compile) |
| $(common-objpfx)bits/std_abs.h: $(c++-bits-std_abs-h) |
| $(INSTALL_DATA) $< $@T |
| $(move-if-change) $@T $@ |
| endif |
| endif |
| |
| before-compile := $(common-objpfx)libc-abis.h $(before-compile) |
| $(common-objpfx)libc-abis.h: $(common-objpfx)libc-abis.stamp; @: |
| $(common-objpfx)libc-abis.stamp: $(..)scripts/gen-libc-abis \ |
| $(firstword $(wildcard $(sysdirs:=/libc-abis)) \ |
| $(..)libc-abis) \ |
| $(..)Makerules |
| $(SHELL) $< \ |
| $(base-machine)-$(config-vendor)-$(config-os) \ |
| < $(word 2,$^) > $(@:.stamp=.h)T |
| $(move-if-change) $(@:.stamp=.h)T $(@:.stamp=.h) |
| touch $@ |
| common-generated += $(common-objpfx)libc-abis.h |
| endif # avoid-generated |
| |
| ifeq (yes,$(build-shared)) |
| $(common-objpfx)runtime-linker.h: $(common-objpfx)runtime-linker.stamp; @: |
| $(common-objpfx)runtime-linker.stamp: $(common-objpfx)config.make |
| $(make-target-directory) |
| echo '#define RUNTIME_LINKER "$(rtlddir)/$(rtld-installed-name)"' \ |
| > ${@:stamp=T} |
| $(move-if-change) ${@:stamp=T} ${@:stamp=h} |
| touch $@ |
| endif |
| |
| # Make sure the subdirectory for object files gets created. |
| ifdef objpfx |
| ifeq (,$(wildcard $(objpfx).)) |
| before-compile += $(objpfx). |
| $(objpfx).: |
| $(make-target-directory) |
| endif |
| endif |
| |
| # Remove existing files from `before-compile'. Things are added there when |
| # they must exist for dependency generation to work right, but once they |
| # exist there is no further need for every single file to depend on them, |
| # and those gratuitous dependencies result in many gratuitous |
| # recompilations. |
| before-compile := $(filter-out $(wildcard $(before-compile)),$(before-compile)) |
| |
| # Don't let any before-compile file be an intermediate and get removed. |
| ifdef before-compile |
| $(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. |
| # |
| # 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.'; \ |
| $(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' \ |
| -e 's@^\.\.\/\([^ \]*\)@$$(..)\1@g' |
| else |
| sed-remove-dotdot := -e 's@ *\([^ \/$$][^ \]*\)@ $$(..)\1@g' \ |
| -e 's@^\([^ \/$$][^ \]*\)@$$(..)\1@g' |
| endif |
| |
| ifdef gen-py-const-headers |
| # We'll use a static pattern rule to match .pysym files with their |
| # corresponding generated .py files. |
| # The generated .py files go in the submodule's dir in the glibc build dir. |
| py-const-files := $(patsubst %.pysym,%.py,$(gen-py-const-headers)) |
| py-const-dir := $(objpfx) |
| py-const := $(addprefix $(py-const-dir),$(py-const-files)) |
| py-const-script := $(..)scripts/gen-py-const.awk |
| |
| # This is a hack we use to generate .py files with constants for Python |
| # pretty printers. It works the same way as gen-as-const. |
| # See scripts/gen-py-const.awk for details on how the awk | gcc mechanism |
| # works. |
| # |
| # $@.tmp and $@.tmp2 are temporary files we use to store the partial contents |
| # of the target file. We do this instead of just writing on $@ because, if the |
| # build process terminates prematurely, re-running Make wouldn't run this rule |
| # since Make would see that the target file already exists (despite it being |
| # incomplete). |
| # |
| # The sed line replaces "@name@SOME_NAME@value@SOME_VALUE@" strings from the |
| # output of 'gcc -S' with "SOME_NAME = SOME_VALUE" strings. |
| # The '-n' option, combined with the '/p' command, makes sed output only the |
| # modified lines instead of the whole input file. The output is redirected |
| # to a .py file; we'll import it in the pretty printers file to read |
| # the constants generated by gen-py-const.awk. |
| # The regex has two capturing groups, for SOME_NAME and SOME_VALUE |
| # respectively. Notice SOME_VALUE may be prepended by a special character, |
| # depending on the assembly syntax (e.g. immediates are prefixed by a '$' |
| # in AT&T x86, and by a '#' in ARM). We discard it using a complemented set |
| # before the second capturing group. |
| $(py-const): $(py-const-dir)%.py: %.pysym $(py-const-script) \ |
| $(common-before-compile) |
| $(make-target-directory) |
| $(AWK) -f $(py-const-script) $< \ |
| | $(CC) -S -o $@.tmp $(CFLAGS) $(CPPFLAGS) -x c - |
| echo '# GENERATED FILE\n' > $@.tmp2 |
| echo '# Constant definitions for pretty printers.' >> $@.tmp2 |
| echo '# See gen-py-const.awk for details.\n' >> $@.tmp2 |
| sed -n -r 's/^.*@name@([^@]+)@value@[^[:xdigit:]Xx-]*([[:xdigit:]Xx-]+)@.*/\1 = \2/p' \ |
| $@.tmp >> $@.tmp2 |
| mv -f $@.tmp2 $@ |
| rm -f $@.tmp |
| |
| generated += $(py-const) |
| endif # gen-py-const-headers |
| |
| 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@@@.*$$/#define \1 \2/p' \ |
| $(@:.h.d=.h)T3 > $(@:.h.d=.h)T |
| rm -f $(@:.h.d=.h)T3 |
| sed $(sed-remove-objpfx) $(sed-remove-dotdot) \ |
| $(@:.h=.h.d)T > $(@:.h=.h.d)T2 |
| rm -f $(@:.h=.h.d)T |
| mv -f $(@:.h=.h.d)T2 $(@:.h=.h.d) |
| mv -f $(@:.h.d=.h)T $(@:.h.d=.h) |
| vpath %.sym $(sysdirs) |
| before-compile += $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) |
| |
| tests-internal += $(gen-as-const-headers:%.sym=test-as-const-%) |
| generated += $(gen-as-const-headers:%.sym=test-as-const-%.c) |
| $(objpfx)test-as-const-%.c: $(..)scripts/gen-as-const.awk $(..)Makerules \ |
| %.sym $(common-objpfx)%.h |
| ($(AWK) '{ sub(/^/, "asconst_", $$2); print; }' $(filter %.h,$^); \ |
| $(AWK) -v test=1 -f $< $(filter %.sym,$^); \ |
| echo '#include "$(..)test-skeleton.c"') > $@T |
| mv -f $@T $@ |
| endif |
| |
| ifeq (yes,$(build-shared)) |
| # Generate the header containing the names of all shared libraries. |
| # We use a stamp file to avoid unnecessary recompilations. |
| before-compile += $(common-objpfx)gnu/lib-names.h |
| ifeq ($(soversions.mk-done),t) |
| ifndef abi-variants |
| lib-names-h-abi = gnu/lib-names.h |
| lib-names-stmp-abi = gnu/lib-names.stmp |
| else |
| lib-names-h-abi = gnu/lib-names-$(default-abi).h |
| lib-names-stmp-abi = gnu/lib-names-$(default-abi).stmp |
| before-compile += $(common-objpfx)$(lib-names-h-abi) |
| common-generated += gnu/lib-names.h |
| install-others-nosubdir: $(inst_includedir)/$(lib-names-h-abi) |
| $(common-objpfx)gnu/lib-names.h: |
| $(make-target-directory) |
| { \ |
| echo '/* This file is automatically generated.';\ |
| echo ' It defines macros to allow user program to find the shared'; \ |
| echo ' library files which come as part of GNU libc. */'; \ |
| echo '#ifndef __GNU_LIB_NAMES_H'; \ |
| echo '#define __GNU_LIB_NAMES_H 1'; \ |
| echo ''; \ |
| $(if $(abi-includes), \ |
| $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ |
| echo '';) \ |
| $(foreach v,$(abi-variants),\ |
| $(if $(abi-$(v)-condition),\ |
| echo '#if $(abi-$(v)-condition)'; \ |
| echo '# include <gnu/lib-names-$(v).h>'); \ |
| $(if $(abi-$(v)-condition),echo '#endif';)) \ |
| echo ''; \ |
| echo '#endif /* gnu/lib-names.h */'; \ |
| } > $@ |
| endif |
| $(common-objpfx)$(lib-names-h-abi): $(common-objpfx)$(lib-names-stmp-abi); @: |
| $(common-objpfx)$(lib-names-stmp-abi): $(..)scripts/lib-names.awk \ |
| $(common-objpfx)soversions.i |
| $(make-target-directory) |
| { \ |
| $(if $(abi-variants), \ |
| echo '/* This file is automatically generated. */';\ |
| echo '#ifndef __GNU_LIB_NAMES_H'; \ |
| echo '# error "Never use <$(lib-names-h-abi)> directly; include <gnu/lib-names.h> instead."'; \ |
| echo '#endif';, \ |
| echo '/* This file is automatically generated.';\ |
| echo ' It defines macros to allow user program to find the shared'; \ |
| echo ' library files which come as part of GNU libc. */'; \ |
| echo '#ifndef __GNU_LIB_NAMES_H'; \ |
| echo '#define __GNU_LIB_NAMES_H 1';) \ |
| echo ''; \ |
| ($(foreach s,$(all-sonames), echo $(s);)) \ |
| | LC_ALL=C $(AWK) -f $(firstword $^) | LC_ALL=C sort; \ |
| $(if $(abi-variants),, \ |
| echo ''; \ |
| echo '#endif /* gnu/lib-names.h */';) \ |
| } > ${@:stmp=T} |
| $(move-if-change) ${@:stmp=T} ${@:stmp=h} |
| touch $@ |
| endif |
| common-generated += $(lib-names-h-abi) $(lib-names-stmp-abi) |
| endif |
| |
| ############################################################################### |
| # NOTE! Everything adding to before-compile needs to come before this point! # |
| ############################################################################### |
| |
| # 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 |
| # sysdep directories. However, that had the problem that a .S file in a |
| # later directory would be chosen over a .c file in an earlier directory, |
| # which does not preserve the desired sysdeps ordering behavior. |
| |
| # System-dependent makefiles can put in `inhibit-sysdep-asm' regexps |
| # matching sysdep directories whose assembly source files should be |
| # suppressed. |
| |
| -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: $(..)scripts/sysd-rules.awk \ |
| $(common-objpfx)config.make $(..)Makerules \ |
| $(sysdep-makefiles) $(sysdep-makeconfigs) \ |
| $(sysd-rules-force) |
| -@rm -f $@T |
| LC_ALL=C $(AWK) -f $< > $@T \ |
| -v all_object_suffixes='$(all-object-suffixes)' \ |
| -v inhibit_sysdep_asm='$(inhibit-sysdep-asm)' \ |
| -v sysd_rules_patterns='$(sysd-rules-patterns)' \ |
| -v config_sysdirs='$(config-sysdirs)' |
| 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); $$(compile-command.S) |
| endef |
| object-suffixes-left := $(all-object-suffixes) |
| include $(o-iterator) |
| |
| define o-iterator-doit |
| $(objpfx)%$o: %.c $(before-compile); $$(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)%.c $(before-compile); $$(compile-command.c) |
| endef |
| object-suffixes-left := $(all-object-suffixes) |
| include $(o-iterator) |
| endif |
| |
| # Generate version maps, but wait until sysdep-subdirs is known |
| ifeq ($(sysd-sorted-done),t) |
| ifeq ($(build-shared),yes) |
| -include $(common-objpfx)sysd-versions |
| $(addprefix $(common-objpfx),$(version-maps)): $(common-objpfx)sysd-versions |
| common-generated += $(version-maps) |
| postclean-generated += sysd-versions Versions.all abi-versions.h \ |
| Versions.def Versions.v.i Versions.v |
| |
| ifndef avoid-generated |
| ifneq ($(sysd-versions-subdirs),$(sorted-subdirs) $(config-sysdirs)) |
| sysd-versions-force = FORCE |
| FORCE: |
| endif |
| |
| $(common-objpfx)Versions.def: $(..)scripts/versionlist.awk \ |
| $(common-objpfx)Versions.v |
| LC_ALL=C $(AWK) -f $^ > $@T |
| mv -f $@T $@ |
| |
| $(common-objpfx)Versions.all: $(..)scripts/firstversions.awk \ |
| $(common-objpfx)soversions.i \ |
| $(common-objpfx)Versions.def |
| { while read which lib version setname; do \ |
| test x"$$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 $(subdirs:%=$(..)%/Versions)) \ |
| $(wildcard $(sysdirs:%=%/Versions)) \ |
| $(sysd-versions-force) |
| $(common-objpfx)sysd-versions: $(common-objpfx)versions.stmp |
| $(common-objpfx)versions.stmp: $(common-objpfx)Versions.all \ |
| $(common-objpfx)Versions.v \ |
| $(..)scripts/versions.awk |
| ( 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)' \ |
| -f $(word 3,$^); \ |
| ) > $(common-objpfx)sysd-versionsT |
| mv -f $(common-objpfx)sysd-versionsT $(common-objpfx)sysd-versions |
| touch $@ |
| endif # avoid-generated |
| endif # $(build-shared) = yes |
| endif # sysd-sorted-done |
| |
| # 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.c = $(compile.c) $(OUTPUT_OPTION) $(compile-mkdep-flags) |
| compile-command.cc = $(compile.cc) $(OUTPUT_OPTION) $(compile-mkdep-flags) |
| |
| # Like compile-mkdep-flags, but for use with $(BUILD_CC). We don't want to |
| # track system includes here, they may spuriously trigger an install rule, |
| # and would cause the check-local-headers test to fail. |
| native-compile-mkdep-flags = -MMD -MP -MF $@.dt -MT $@ |
| |
| # 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.c = $(CC) -c $(CFLAGS) $(CPPFLAGS) |
| COMPILE.S = $(CC) -c $(CPPFLAGS) $(S-CPPFLAGS) \ |
| $(ASFLAGS) $(ASFLAGS-$(suffix $@)) |
| |
| # 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. |
| OUTPUT_OPTION = -o $@ |
| |
| # This is the end of the pipeline for compiling generated C code. |
| compile-stdin.c = $(COMPILE.c) -o $@ -x c - $(compile-mkdep-flags) |
| |
| # We need the $(CFLAGS) to be in there to have the right predefines during |
| # 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 .,\.,$(@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 |
| -e 's@ $(subst .,\.,$(subst @,\@,$(common-objpfx)))@ $$(common-objpfx)@g' \ |
| -e 's@^$(subst .,\.,$(subst @,\@,$(common-objpfx)))@$$(common-objpfx)@g' |
| endef |
| endif |
| |
| # Modify the list of routines we build for different targets |
| |
| ifeq (yes,$(build-shared)) |
| ifndef libc.so-version |
| # Undefine this because it can't work when we libc.so is unversioned. |
| static-only-routines = |
| endif |
| endif |
| |
| elide-routines.oS += $(filter-out $(static-only-routines),\ |
| $(routines) $(aux) $(sysdep_routines)) |
| elide-routines.os += $(static-only-routines) |
| |
| # If we have versioned code we don't need the old versions in any of the |
| # static libraries. |
| elide-routines.o += $(shared-only-routines) |
| elide-routines.op += $(shared-only-routines) |
| |
| # Shared library building. |
| |
| ifeq (yes,$(build-shared)) |
| |
| # Reference map file only when shared libraries are built and a map file name |
| # is given. |
| ifeq ($(build-shared),yes) |
| map-file = $(firstword $($(@F:.so=-map)) \ |
| $(addprefix $(common-objpfx), \ |
| $(filter $(@F:.so=.map),$(version-maps)))) |
| load-map-file = $(map-file:%=-Wl,--version-script=%) |
| endif |
| |
| # Compiler arguments to use to link a shared object with libc and |
| # ld.so. This is intended to be as similar as possible to a default |
| # link with an installed libc. |
| link-libc-args = -Wl,--start-group \ |
| $(libc-for-link) \ |
| $(common-objpfx)libc_nonshared.a \ |
| $(as-needed) $(elf-objpfx)ld.so $(no-as-needed) \ |
| -Wl,--end-group |
| |
| # The corresponding shared libc to use. This may be modified for a |
| # particular target. |
| libc-for-link = $(common-objpfx)libc.so |
| |
| # The corresponding dependencies. As these are used in dependencies, |
| # not just commands, they cannot use target-specific variables so need |
| # to name both possible libc.so objects. |
| link-libc-deps = $(common-objpfx)libc.so $(common-objpfx)linkobj/libc.so \ |
| $(common-objpfx)libc_nonshared.a $(elf-objpfx)ld.so |
| |
| # Pattern rule to build a shared object from an archive of PIC objects. |
| # This must come after the installation rules so Make doesn't try to |
| # build shared libraries in place from the installed *_pic.a files. |
| # $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies |
| # on other shared objects. The linking with libc and ld.so is intended |
| # to be as similar as possible to a default link with an installed libc. |
| lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(link-libc-deps) |
| $(build-shlib) $(link-libc-args) |
| $(call after-link,$@) |
| |
| define build-shlib-helper |
| $(LINK.o) -shared -static-libgcc -Wl,-O1 $(sysdep-LDFLAGS) \ |
| $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) $(rtld-LDFLAGS) \ |
| $(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) \ |
| $(LDFLAGS.so) $(LDFLAGS-lib.so) $(LDFLAGS-$(@F:lib%.so=%).so) \ |
| -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) |
| endef |
| |
| ifeq (yes,$(use-default-link)) |
| # If the linker is good enough, we can let it use its default linker script. |
| shlib-lds = |
| shlib-lds-flags = |
| else |
| # binutils only position loadable notes into the first page for binaries, |
| # not for shared objects |
| $(common-objpfx)shlib.lds: $(common-objpfx)config.make $(..)Makerules |
| $(LINK.o) -shared -Wl,-O1 \ |
| -nostdlib -nostartfiles \ |
| $(sysdep-LDFLAGS) $(rtld-LDFLAGS) $(LDFLAGS.so) \ |
| -Wl,--verbose 2>&1 | \ |
| sed > $@T \ |
| -e '/^=========/,/^=========/!d;/^=========/d' \ |
| $(if $(filter yes,$(have-hash-style)), \ |
| -e 's/^.*\.gnu\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ |
| -e '/^[ ]*\.hash[ ]*:.*$$/{h;d;}' \ |
| -e '/DATA_SEGMENT_ALIGN/{H;g}' \ |
| , \ |
| -e 's/^.*\.hash[ ]*:.*$$/ .note.ABI-tag : { *(.note.ABI-tag) } &/' \ |
| ) \ |
| -e 's/^.*\*(\.dynbss).*$$/& \ |
| PROVIDE(__start___libc_freeres_ptrs = .); \ |
| *(__libc_freeres_ptrs) \ |
| PROVIDE(__stop___libc_freeres_ptrs = .);/'\ |
| -e 's@^.*\*(\.jcr).*$$@& \ |
| PROVIDE(__start___libc_subfreeres = .);\ |
| __libc_subfreeres : { *(__libc_subfreeres) }\ |
| PROVIDE(__stop___libc_subfreeres = .);\ |
| PROVIDE(__start___libc_atexit = .);\ |
| __libc_atexit : { *(__libc_atexit) }\ |
| PROVIDE(__stop___libc_atexit = .);\ |
| PROVIDE(__start___libc_thread_subfreeres = .);\ |
| __libc_thread_subfreeres : { *(__libc_thread_subfreeres) }\ |
| PROVIDE(__stop___libc_thread_subfreeres = .);\ |
| PROVIDE(__start___libc_IO_vtables = .);\ |
| __libc_IO_vtables : { *(__libc_IO_vtables) }\ |
| PROVIDE(__stop___libc_IO_vtables = .);\ |
| /DISCARD/ : { *(.gnu.glibc-stub.*) }@' |
| test -s $@T |
| mv -f $@T $@ |
| common-generated += shlib.lds |
| |
| shlib-lds = $(common-objpfx)shlib.lds |
| shlib-lds-flags = -Wl,-T,$(shlib-lds) |
| endif |
| |
| define build-shlib |
| $(build-shlib-helper) -o $@ $(shlib-lds-flags) \ |
| $(csu-objpfx)abi-note.o $(build-shlib-objlist) |
| endef |
| |
| define build-module-helper |
| $(LINK.o) -shared -static-libgcc $(sysdep-LDFLAGS) $(rtld-LDFLAGS) \ |
| $(if $($(@F)-no-z-defs)$(no-z-defs),,-Wl,-z,defs) \ |
| -B$(csu-objpfx) $(load-map-file) \ |
| $(LDFLAGS.so) $(LDFLAGS-$(@F:%.so=%).so) \ |
| -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) |
| endef |
| |
| # This macro is similar to build-shlib but it does not define a soname |
| # and it does not depend on the destination name to start with `lib'. |
| # binutils only position loadable notes into the first page for binaries, |
| # not for shared objects |
| define build-module |
| $(build-module-helper) -o $@ $(shlib-lds-flags) \ |
| $(csu-objpfx)abi-note.o $(build-module-objlist) $(link-libc-args) |
| $(call after-link,$@) |
| endef |
| define build-module-asneeded |
| $(build-module-helper) -o $@ $(shlib-lds-flags) \ |
| $(csu-objpfx)abi-note.o \ |
| -Wl,--as-needed $(build-module-objlist) -Wl,--no-as-needed \ |
| $(link-libc-args) |
| $(call after-link,$@) |
| endef |
| |
| # sofini.os must be placed last since it terminates .eh_frame section. |
| build-module-helper-objlist = \ |
| $(patsubst %_pic.a,$(whole-archive) %_pic.a $(no-whole-archive),\ |
| $(filter-out %.lds $(map-file) $(+preinit) $(+postinit) \ |
| $(elf-objpfx)sofini.os \ |
| $(link-libc-deps),$^)) |
| |
| build-module-objlist = $(build-module-helper-objlist) $(LDLIBS-$(@F:%.so=%).so) |
| build-shlib-objlist = $(build-module-helper-objlist) \ |
| $(LDLIBS-$(@F:lib%.so=%).so) \ |
| $(filter $(elf-objpfx)sofini.os,$^) |
| |
| # Don't try to use -lc when making libc.so itself. |
| # 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 $(libc.so-gnulib). |
| LDLIBS-c.so += $(libc.so-gnulib) |
| # Give libc.so an entry point and make it directly runnable itself. |
| LDFLAGS-c.so += -Wl,-e,__libc_main |
| # Pre-link the objects of libc_pic.a so that we can locally resolve |
| # COMMON symbols before we link against ld.so. This is because ld.so |
| # contains some of libc_pic.a already, which will prevent the COMMONs |
| # from being allocated in libc.so, which introduces evil dependencies |
| # between libc.so and ld.so, which can make it impossible to upgrade. |
| $(common-objpfx)libc_pic.os: $(common-objpfx)libc_pic.a |
| $(LINK.o) -nostdlib -nostartfiles -r -o $@ \ |
| $(LDFLAGS-c_pic.os) -Wl,-d $(whole-archive) $^ -o $@ |
| |
| ifeq (,$(strip $(shlib-lds-flags))) |
| # Generate a list of -R options to excise .gnu.glibc-stub.* sections. |
| $(common-objpfx)libc_pic.opts: $(common-objpfx)libc_pic.os |
| $(OBJDUMP) -h $< | \ |
| $(AWK) '$$2 ~ /\.gnu\.glibc-stub\./ { print "-R", $$2 }' \ |
| > $@T |
| mv -f $@T $@ |
| # Apply those -R options. |
| $(common-objpfx)libc_pic.os.clean: $(common-objpfx)libc_pic.opts \ |
| $(common-objpfx)libc_pic.os |
| $(OBJCOPY) @$^ $@ |
| generated += libc_pic.opts libc_pic.os.clean |
| |
| libc_pic_clean := .clean |
| endif |
| |
| # Build a possibly-modified version of libc_pic.a for use in building |
| # linkobj/libc.so. |
| ifeq (,$(filter sunrpc,$(subdirs))) |
| $(common-objpfx)linkobj/libc_pic.a: $(common-objpfx)libc_pic.a |
| $(make-target-directory) |
| $(LN_S) -f $< $@ |
| else |
| $(common-objpfx)linkobj/libc_pic.a: $(common-objpfx)libc_pic.a \ |
| $(common-objpfx)sunrpc/librpc_compat_pic.a |
| $(make-target-directory) |
| (cd $(common-objpfx)linkobj; \ |
| $(AR) x ../libc_pic.a; \ |
| rm $$($(AR) t ../sunrpc/librpc_compat_pic.a | sed 's/^compat-//'); \ |
| $(AR) x ../sunrpc/librpc_compat_pic.a; \ |
| $(AR) cr libc_pic.a *.os; \ |
| rm *.os) |
| endif # $(subdirs) contains sunrpc |
| |
| # Clear link-libc-deps for the libc.so libraries so build-shlibs does not |
| # filter ld.so out of the list of linked objects. |
| $(common-objpfx)libc.so: link-libc-deps = # empty |
| $(common-objpfx)linkobj/libc.so: link-libc-deps = # empty |
| |
| # Use our own special initializer and finalizer files for the libc.so |
| # libraries. |
| $(common-objpfx)libc.so: $(elf-objpfx)soinit.os \ |
| $(common-objpfx)libc_pic.os$(libc_pic_clean) \ |
| $(elf-objpfx)sofini.os \ |
| $(elf-objpfx)interp.os \ |
| $(elf-objpfx)ld.so \ |
| $(shlib-lds) |
| $(build-shlib) |
| $(call after-link,$@) |
| |
| $(common-objpfx)linkobj/libc.so: $(elf-objpfx)soinit.os \ |
| $(common-objpfx)linkobj/libc_pic.a \ |
| $(elf-objpfx)sofini.os \ |
| $(elf-objpfx)interp.os \ |
| $(elf-objpfx)ld.so \ |
| $(shlib-lds) |
| $(build-shlib) |
| $(call after-link,$@) |
| |
| ifeq ($(build-shared),yes) |
| $(common-objpfx)libc.so: $(common-objpfx)libc.map |
| endif |
| common-generated += libc.so libc_pic.os |
| ifdef libc.so-version |
| $(common-objpfx)libc.so$(libc.so-version): $(common-objpfx)libc.so |
| $(make-link) |
| common-generated += libc.so$(libc.so-version) |
| endif |
| endif |
| |
| # Figure out the source filenames in this directory. |
| |
| override sources := $(addsuffix .c,\ |
| $(filter-out $(elided-routines),\ |
| $(routines) $(aux) \ |
| $(sysdep_routines))) |
| sysdep_routines := $(sysdep_routines) |
| |
| headers := $(headers) $(sysdep_headers) |
| |
| # This is the list of all object files, gotten by |
| # replacing every ".c" in `sources' with a ".o". |
| override objects := $(addprefix $(objpfx),$(sources:.c=.o)) |
| |
| |
| # The makefile may define $(extra-libs) with `libfoo libbar' |
| # to build libfoo.a et al from the modules listed in $(libfoo-routines). |
| ifdef extra-libs |
| # 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-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). |
| # MODULE_NAME=extramodules, except any in $(modules-names-tests). |
| ifdef modules-names |
| cpp-srcs-left := $(filter-out $(modules-names-tests),$(modules-names)) |
| ifneq (,$(cpp-srcs-left)) |
| lib := extramodules |
| include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) |
| endif |
| |
| ifdef modules-names-tests |
| cpp-srcs-left := $(filter $(modules-names-tests),$(modules-names)) |
| ifneq (,$(cpp-srcs-left)) |
| lib := testsuite |
| include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) |
| endif |
| endif |
| |
| extra-modules-build := $(filter-out $(modules-names-nobuild),$(modules-names)) |
| $(extra-modules-build:%=$(objpfx)%.so): $(objpfx)%.so: \ |
| $(objpfx)%.os $(shlib-lds) $(link-libs-deps) |
| $(build-module) |
| endif |
| |
| +depfiles := $(sources:.c=.d) \ |
| $(patsubst %.o,%.d,$(filter %.o,$(extra-objs:.os=.o))) \ |
| $(patsubst %.oS,%.d,$(filter %.oS,$(extra-objs))) \ |
| $(patsubst %.o,%.d,$(filter %.o,$(extra-test-objs:.os=.o))) \ |
| $(addsuffix .d,$(tests) $(tests-internal) $(xtests) $(test-srcs)) |
| ifeq ($(build-programs),yes) |
| +depfiles += $(addsuffix .d,$(others) $(sysdep-others)) |
| endif |
| +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. |
| +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) |
| -include $(+depfiles) |
| endif |
| endif |
| |
| # Maximize efficiency by minimizing the number of rules. |
| .SUFFIXES: # Clear the suffix list. We don't use suffix rules. |
| # Don't define any builtin rules. |
| MAKEFLAGS := $(MAKEFLAGS)r |
| |
| # Generic rule for making directories. |
| %/: |
| # mkdir isn't smart enough to strip a trailing /. |
| # We always require a mkdir which supports the -p option to avoid error |
| # messages in case of races. |
| mkdir -p $(@:%/=%) |
| |
| # Make sure that object files are not removed |
| # when they are intermediates between sources and library members. |
| .PRECIOUS: $(addprefix $(objpfx)%,$(all-object-suffixes)) |
| |
| # Make sure that the parent library archive is never removed. |
| .PRECIOUS: $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) |
| |
| # Use the verbose option of ar and tar when not running silently. |
| ifeq "$(findstring s,$(MAKEFLAGS))" "" # if not -s |
| verbose := v |
| else # -s |
| verbose := |
| endif # not -s |
| |
| ARFLAGS := r$(verbose) |
| CREATE_ARFLAGS := cru$(verbose) |
| |
| # This makes all the object files in the parent library archive. |
| |
| .PHONY: lib lib-noranlib |
| lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c)) |
| lib-noranlib: libobjs |
| |
| # For object-suffix $o, the list of objects with that suffix. |
| # Makefiles can define `elide-routines.so = foo' to leave foo.so out. |
| o-objects = $(patsubst %.o,%$o,$(filter-out $(patsubst %,$(objpfx)%.o,\ |
| $(elide-routines$o)),\ |
| $(objects))) \ |
| $(addprefix $(objpfx),$(o-objects$o)) |
| |
| others: $(addprefix $(objpfx),$(install-lib)) |
| |
| ifndef objects |
| |
| # Create the stamp$o files to keep the parent makefile happy. |
| subdir_lib: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) |
| $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o): |
| $(make-target-directory) |
| rm -f $@; > $@ |
| else |
| |
| # Define explicit rules to update each $(objpfx)stamp.SUFFIX |
| # timestamp file; these rules (one explicit rule is generated for each |
| # object suffix) write a list of objects to update in the stamp file. |
| # The parent will then actually add them all to the archive in the |
| # archive rule, below. |
| define o-iterator-doit |
| $(objpfx)stamp$o: $(o-objects); $$(do-stamp) |
| endef |
| define do-stamp |
| $(make-target-directory) |
| echo '$(patsubst $(objpfx)%,$(addsuffix /,$(subdir))%,$^)' > $@T |
| mv -f $@T $@ |
| endef |
| object-suffixes-left := $(object-suffixes-for-libc) |
| include $(o-iterator) |
| |
| endif |
| |
| # Now define explicit rules to build the library archives; these depend |
| # on the stamp files built above. |
| define o-iterator-doit |
| $(common-objpfx)$(patsubst %,$(libtype$o),c): \ |
| $(subdirs-stamp-o) $(common-objpfx)stamp$o; $$(do-makelib) |
| endef |
| define do-makelib |
| cd $(common-objdir) && \ |
| $(AR) $(CREATE_ARFLAGS) $(@F) `cat $(patsubst $(common-objpfx)%,%,$^)` |
| endef |
| subdirs-stamps := $(foreach d,$(subdirs),$(common-objpfx)$d/stamp%) |
| subdirs-stamp-o = $(subst %,$o,$(subdirs-stamps)) |
| ifndef subdir |
| $(subdirs-stamps): subdir_lib; |
| endif |
| object-suffixes-left = $(object-suffixes-for-libc) |
| include $(o-iterator) |
| |
| |
| # This makes all the object files. |
| .PHONY: objects objs libobjs extra-objs |
| objects objs: libobjs extra-objs |
| libobjs: $(foreach o,$(object-suffixes-for-libc),$(objpfx)stamp$o) |
| extra-objs: $(addprefix $(objpfx),$(extra-objs)) |
| |
| # Canned sequence for building an extra library archive. |
| define build-extra-lib |
| $(patsubst %/,cd % &&,$(objpfx)) \ |
| $(AR) $(CREATE_ARFLAGS) $(@:$(objpfx)%=%) \ |
| $(patsubst $(objpfx)%,%,$^) |
| endef |
| |
| # Installation. |
| |
| .PHONY: force-install |
| force-install: |
| |
| # $(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 |
| # $(includedir). $(install-bin), $(install-bin-script) and $(install-sbin) |
| # are installed from the object directory into $(bindir), $(bindir) and |
| # $(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. |
| ifndef libc-name |
| libc-name := c |
| endif |
| |
| define do-install |
| $(make-target-directory) |
| $(INSTALL_DATA) $< $@ |
| endef |
| |
| # Make the target directory if it doesn't exist, using the `mkinstalldirs' |
| # script that does `mkdir -p' even if `mkdir' doesn't support that flag. |
| define make-target-directory |
| $(addprefix $(..)./scripts/mkinstalldirs ,\ |
| $(filter-out $(wildcard $(@D:%/=%)),$(@D:%/=%))) |
| endef |
| |
| # Any directory (parent or subdir) should install libc.a; this way |
| # "make install" in a subdir is guaranteed to install everything it changes. |
| installed-libcs := $(foreach o,$(filter-out .os,$(object-suffixes-for-libc)),\ |
| $(inst_libdir)/$(patsubst %,$(libtype$o),\ |
| $(libprefix)$(libc-name))) |
| |
| .PHONY: check-install-supported |
| check-install-supported: |
| |
| # Check to see if the prefix or exec_prefix GNU standard variable |
| # has been overridden on the command line and, if so, fail with |
| # an error message since doing so is not supported (set DESTDIR |
| # instead). |
| ifeq ($(origin prefix),command line) |
| check-install-supported: |
| $(error Overriding prefix is not supported. Set DESTDIR instead.) |
| endif |
| |
| ifeq ($(origin exec_prefix),command line) |
| check-install-supported: |
| $(error Overriding exec_prefix is not supported. Set DESTDIR instead.) |
| endif |
| |
| install: check-install-supported |
| |
| install: $(installed-libcs) |
| $(installed-libcs): $(inst_libdir)/lib$(libprefix)%: lib $(+force) |
| $(make-target-directory) |
| $(INSTALL_DATA) $(common-objpfx)lib$(*:$(libc-name)%=c%) $@ |
| |
| define do-install-program |
| $(make-target-directory) |
| $(INSTALL_PROGRAM) $< $@.new |
| mv -f $@.new $@ |
| endef |
| |
| define do-install-script |
| $(make-target-directory) |
| $(INSTALL_SCRIPT) $< $@.new |
| mv -f $@.new $@ |
| endef |
| |
| install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so)) |
| install-lib := $(filter-out %.so %_pic.a,$(install-lib)) |
| |
| ifeq (yes,$(build-shared)) |
| # Find which .so's have versions. |
| versioned := $(strip $(foreach so,$(install-lib.so),\ |
| $(patsubst %,$(so),$($(so)-version)))) |
| |
| install-lib.so-versioned := $(filter $(versioned), $(install-lib.so)) |
| install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so)) |
| |
| # 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 |
| lib-version := $(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=)-$(lib-version).so \ |
| $(inst_slibdir)/$L$($L-version)) |
| |
| # Install all the unversioned shared libraries. |
| $(install-lib.so-unversioned:%=$(inst_slibdir)/%): $(inst_slibdir)/%.so: \ |
| $(objpfx)%.so $(+force) |
| $(do-install-program) |
| |
| ifneq ($(findstring -s,$(LN_S)),) |
| define make-link |
| rm -f $@.new |
| $(SHELL) $(..)scripts/rellns-sh $< $@.new |
| mv -f $@.new $@ |
| endef |
| define make-link-multidir |
| $(patsubst %/,cd %,$(objpfx)); \ |
| $(addprefix $(abspath $(..)scripts/mkinstalldirs) ,$(dir $(multidir))); \ |
| $(LN_S) . $(multidir) 2> /dev/null; \ |
| test -L $(multidir) |
| endef |
| else |
| # If we have no symbolic links don't bother with rellns-sh. |
| define make-link |
| rm -f $@.new |
| $(LN_S) $< $@.new |
| mv -f $@.new $@ |
| endef |
| define make-link-multidir |
| $(make-target-directory) |
| $(LN_S) -f $(objpfx)/$(@F) $@ |
| endef |
| endif |
| |
| ifeq (yes,$(build-shared)) |
| ifeq (no,$(cross-compiling)) |
| symbolic-link-prog := $(elf-objpfx)sln |
| symbolic-link-list := $(elf-objpfx)symlink.list |
| define make-shlib-link |
| echo `$(..)scripts/rellns-sh -p $< $@` $@ >> $(symbolic-link-list) |
| endef |
| else # cross-compiling |
| # We need a definition that can be used by elf/Makefile's install rules. |
| symbolic-link-prog = $(LN_S) |
| endif |
| endif |
| ifndef make-shlib-link |
| define make-shlib-link |
| rm -f $@ |
| $(LN_S) `$(..)scripts/rellns-sh -p $< $@` $@ |
| endef |
| endif |
| |
| ifdef libc.so-version |
| # For a library specified to be version N, install three files: |
| # libc.so -> libc.so.N (e.g. libc.so.6) |
| # libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so) |
| |
| $(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so \ |
| $(+force) |
| $(make-shlib-link) |
| $(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so $(+force) |
| $(do-install-program) |
| install: $(inst_slibdir)/libc.so$(libc.so-version) |
| |
| # This fragment of linker script gives the OUTPUT_FORMAT statement |
| # for the configuration we are building. We put this statement into |
| # the linker scripts we install for -lc et al so that they will not be |
| # used by a link for a different format on a multi-architecture system. |
| $(common-objpfx)format.lds: $(common-objpfx)config.make \ |
| $(common-objpfx)config.h $(..)Makerules |
| $(LINK.o) -shared $(sysdep-LDFLAGS) $(rtld-LDFLAGS) \ |
| $(LDFLAGS.so) $(LDFLAGS-lib.so) \ |
| -x c /dev/null -o $@.so 2>/dev/null |
| $(OBJDUMP) -f $@.so | sed -n 's/.*file format \(.*\)/OUTPUT_FORMAT(\1)/;T;p' > $@ |
| rm -f $@.so |
| common-generated += format.lds |
| |
| ifndef subdir |
| # What we install as libc.so for programs to link against is in fact a |
| # link script. It contains references for the various libraries we need. |
| # The libc.so object is not complete since some functions are only defined |
| # in libc_nonshared.a. |
| # We need to use absolute paths since otherwise local copies (if they exist) |
| # of the files are taken by the linker. |
| install: $(inst_libdir)/libc.so |
| $(inst_libdir)/libc.so: $(common-objpfx)format.lds \ |
| $(common-objpfx)libc.so$(libc.so-version) \ |
| $(inst_libdir)/$(patsubst %,$(libtype.oS),\ |
| $(libprefix)$(libc-name)) \ |
| $(+force) |
| (echo '/* GNU ld script';\ |
| echo ' Use the shared library, but some functions are only in';\ |
| echo ' the static library, so try that secondarily. */';\ |
| cat $<; \ |
| echo 'GROUP ( $(slibdir)/libc.so$(libc.so-version)' \ |
| '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)$(libc-name))'\ |
| ' AS_NEEDED (' $(rtlddir)/$(rtld-installed-name) ') )' \ |
| ) > $@.new |
| mv -f $@.new $@ |
| |
| endif |
| |
| else |
| install: $(inst_slibdir)/libc.so |
| $(inst_slibdir)/libc.so: $(common-objpfx)libc.so $(+force) |
| $(do-install-program) |
| endif |
| |
| ifneq (,$(versioned)) |
| # Produce three sets of rules as above for all the smaller versioned libraries. |
| |
| define o-iterator-doit |
| $(inst_libdir)/$o: $(inst_slibdir)/$o$($o-version) $(+force); $$(make-link) |
| endef |
| object-suffixes-left := $(filter-out $(install-lib-ldscripts),$(versioned)) |
| ifneq (,$(object-suffixes-left)) |
| include $(o-iterator) |
| endif |
| |
| # Make symlinks in the build directory, because the versioned names might |
| # be referenced by a DT_NEEDED in another library. |
| define o-iterator-doit |
| $(objpfx)$o$($o-version): $(objpfx)$o; $$(make-link) |
| endef |
| object-suffixes-left := $(versioned) |
| include $(o-iterator) |
| |
| generated += $(foreach o,$(versioned),$o$($o-version)) |
| |
| ifeq (,$($(subdir)-version)) |
| define o-iterator-doit |
| $(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \ |
| $(+force); |
| $$(make-shlib-link) |
| endef |
| object-suffixes-left := $(versioned) |
| include $(o-iterator) |
| |
| define o-iterator-doit |
| $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force); |
| $$(do-install-program) |
| endef |
| object-suffixes-left := $(versioned) |
| include $(o-iterator) |
| else |
| define o-iterator-doit |
| $(inst_slibdir)/$o$($o-version): \ |
| $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so $(+force); |
| $$(make-shlib-link) |
| endef |
| object-suffixes-left := $(versioned) |
| include $(o-iterator) |
| |
| define o-iterator-doit |
| $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o $(+force); |
| $$(do-install-program) |
| endef |
| object-suffixes-left := $(versioned) |
| include $(o-iterator) |
| endif |
| endif |
| |
| define do-install-so |
| $(do-install-program) |
| $(patsubst %,$(LN_S) -f $(@F) \ |
| $(@D)/$(patsubst %$*.so,%,$(<F))$(libprefix)$*.so,\ |
| $(filter-out %.so,$@)) |
| endef |
| |
| so-versions := $(sort $(foreach so,$(install-lib.so),.so$($(so)-version))) |
| $(foreach v,$(so-versions),\ |
| $(inst_slibdir)/lib$(libprefix)%$v): $(common-objpfx)lib%.so \ |
| $(+force) |
| $(do-install-so) |
| $(foreach v,$(so-versions),\ |
| $(inst_slibdir)/$(libprefix)%$v): $(common-objpfx)%.so $(+force) |
| $(do-install-so) |
| endif |
| |
| ifdef install-bin |
| $(addprefix $(inst_bindir)/,$(install-bin)): \ |
| $(inst_bindir)/%: $(objpfx)% $(+force) |
| $(do-install-program) |
| endif |
| ifdef install-bin-script |
| $(addprefix $(inst_bindir)/,$(install-bin-script)): \ |
| $(inst_bindir)/%: $(objpfx)% $(+force) |
| $(do-install-script) |
| endif |
| ifdef install-rootsbin |
| $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)): \ |
| $(inst_rootsbindir)/%: $(objpfx)% $(+force) |
| $(do-install-program) |
| endif |
| ifdef install-sbin |
| $(addprefix $(inst_sbindir)/,$(install-sbin)): \ |
| $(inst_sbindir)/%: $(objpfx)% $(+force) |
| $(do-install-program) |
| endif |
| ifdef install-lib |
| install-lib.a := $(filter lib%.a,$(install-lib)) |
| install-lib.a := $(filter-out $(install-lib-ldscripts),$(install-lib.a)) |
| install-lib-non.a := $(filter-out lib%.a,$(install-lib)) |
| ifdef install-lib-non.a |
| $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \ |
| $(inst_libdir)/$(libprefix)%: $(objpfx)% $(+force) |
| $(do-install) |
| endif |
| ifdef install-lib.a |
| $(install-lib.a:lib%.a=$(inst_libdir)/lib$(libprefix)%.a): \ |
| $(inst_libdir)/lib$(libprefix)%.a: $(objpfx)lib%.a $(+force) |
| $(do-install) |
| endif |
| endif |
| ifdef install-data |
| $(addprefix $(inst_datadir)/,$(install-data)): $(inst_datadir)/%: % $(+force) |
| $(do-install) |
| endif |
| headers := $(strip $(headers)) |
| ifdef headers |
| # 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: $(common-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-rootsbin-nosubdir install-sbin-nosubdir install-lib-nosubdir \ |
| install-data-nosubdir install-headers-nosubdir |
| install-bin-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin)) |
| install-bin-script-nosubdir: $(addprefix $(inst_bindir)/,$(install-bin-script)) |
| install-rootsbin-nosubdir: \ |
| $(addprefix $(inst_rootsbindir)/,$(install-rootsbin)) |
| install-sbin-nosubdir: $(addprefix $(inst_sbindir)/,$(install-sbin)) |
| install-lib-nosubdir: $(addprefix $(inst_libdir)/,\ |
| $(patsubst lib%.a,lib$(libprefix)%.a,$(install-lib.a)) \ |
| $(addprefix $(libprefix),$(install-lib-non.a))) |
| install-data-nosubdir: $(addprefix $(inst_datadir)/,$(install-data)) |
| install-headers-nosubdir: $(addprefix $(inst_includedir)/,$(headers)) |
| install-others-nosubdir: $(install-others) |
| install-others-programs-nosubdir: $(install-others-programs) |
| |
| # We need all the `-nosubdir' targets so that `install' in the parent |
| # doesn't depend on several things which each iterate over the subdirs. |
| # This rule makes `install-FOO' always use `install-FOO-nosubdir' as a |
| # subroutine. Then in the parent `install-FOO' also causes subdir makes. |
| install-%:: install-%-nosubdir ; |
| |
| .PHONY: install install-no-libc.a-nosubdir |
| install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir \ |
| install-lib-nosubdir install-others-nosubdir |
| ifeq ($(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 |
| |
| # Command to compile $< using the native libraries. |
| define native-compile |
| $(make-target-directory) |
| $(BUILD_CC) $($(basename $(<F))-CFLAGS) $(ALL_BUILD_CFLAGS) \ |
| $< $(OUTPUT_OPTION) $(BUILD_LDFLAGS) |
| endef |
| |
| # We always want to use configuration definitions. |
| ALL_BUILD_CFLAGS = $(BUILD_CFLAGS) $(BUILD_CPPFLAGS) -D_GNU_SOURCE \ |
| -DIS_IN_build -include $(common-objpfx)config.h |
| |
| # Support the GNU standard name for this target. |
| .PHONY: check |
| check: tests |
| # Special target to run tests which cannot be run unconditionally. |
| # Maintainers should use this target. |
| .PHONY: xcheck |
| xcheck: xtests |
| |
| # The only difference between MODULE_NAME=testsuite and MODULE_NAME=nonlib is |
| # that almost all internal declarations from config.h, libc-symbols.h, and |
| # include/*.h are not available to 'testsuite' code, but are to 'nonlib' code. |
| all-testsuite := $(strip $(tests) $(xtests) $(test-srcs) $(test-extras)) |
| ifneq (,$(all-testsuite)) |
| cpp-srcs-left = $(all-testsuite) |
| lib := testsuite |
| include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) |
| endif |
| |
| all-nonlib := $(strip $(tests-internal) $(test-internal-extras) \ |
| $(others) $(others-extras)) |
| ifneq (,$(all-nonlib)) |
| cpp-srcs-left = $(all-nonlib) |
| lib := nonlib |
| include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left)) |
| endif |
| |
| |
| ifeq ($(build-shared),yes) |
| # Generate normalized lists of symbols, versions, and data sizes. |
| # This is handy for checking against existing library binaries. |
| |
| %.symlist: $(..)scripts/abilist.awk %.dynsym |
| LC_ALL=C $(AWK) -f $^ > $@T |
| mv -f $@T $@ |
| |
| %.dynsym: %.so |
| LC_ALL=C $(OBJDUMP) --dynamic-syms $< > $@T |
| mv -f $@T $@ |
| |
| # A sysdeps/.../Makefile can set abilist-pattern to something like |
| # %-foo.abilist to look for libc-foo.abilist instead of libc.abilist. |
| # This makes sense if multiple ABIs can be most cleanly supported by a |
| # configuration without using separate sysdeps directories for each. |
| ifdef abilist-pattern |
| vpath $(abilist-pattern) $(+sysdep_dirs) |
| endif |
| |
| vpath %.abilist $(+sysdep_dirs) |
| |
| # The .PRECIOUS rule prevents the files built by an implicit rule whose |
| # target pattern is %.symlist from being considered "intermediate files" |
| # and automatically removed. We only want these files to be removed by |
| # 'make clean', which is handled by the 'generated' variable. |
| .PRECIOUS: %.symlist |
| generated += $(extra-libs:=.symlist) |
| |
| ifdef abilist-pattern |
| $(objpfx)check-abi-%.out: $(common-objpfx)config.make $(abilist-pattern) \ |
| $(objpfx)%.symlist |
| $(check-abi-pattern); \ |
| $(evaluate-test) |
| $(objpfx)check-abi-%.out: $(common-objpfx)config.make $(abilist-pattern) \ |
| $(common-objpfx)%.symlist |
| $(check-abi-pattern); \ |
| $(evaluate-test) |
| endif |
| $(objpfx)check-abi-%.out: $(common-objpfx)config.make %.abilist \ |
| $(objpfx)%.symlist |
| $(check-abi); \ |
| $(evaluate-test) |
| $(objpfx)check-abi-%.out: $(common-objpfx)config.make %.abilist \ |
| $(common-objpfx)%.symlist |
| $(check-abi); \ |
| $(evaluate-test) |
| define check-abi-pattern |
| diff -p -U 0 $(filter $(abilist-pattern),$^) $(filter %.symlist,$^) \ |
| > $@ |
| endef |
| define check-abi |
| diff -p -U 0 $(filter %.abilist,$^) $(filter %.symlist,$^) > $@ |
| endef |
| |
| ifdef abilist-pattern |
| update-abi-%: $(objpfx)%.symlist $(abilist-pattern) |
| $(update-abi-pattern) |
| update-abi-%: $(common-objpfx)%.symlist $(abilist-pattern) |
| $(update-abi-pattern) |
| endif |
| update-abi-%: $(objpfx)%.symlist %.abilist |
| $(update-abi) |
| update-abi-%: $(common-objpfx)%.symlist %.abilist |
| $(update-abi) |
| define update-abi-pattern |
| @if cmp -s $^ 2> /dev/null; \ |
| then \ |
| echo '+++ $(filter $(abilist-pattern),$^) is unchanged'; \ |
| else cp -f $^; \ |
| echo '*** Now check $(filter $(abilist-pattern),$^) changes for correctness ***'; \ |
| fi |
| endef |
| define update-abi |
| @if cmp -s $^ 2> /dev/null; \ |
| then \ |
| echo '+++ $(filter %.abilist,$^) is unchanged'; \ |
| else cp -f $^; \ |
| echo '*** Now check $(filter %.abilist,$^) changes for correctness ***'; \ |
| fi |
| endef |
| |
| # Patch all .abilist files for one DSO. The find command locates |
| # abilist files for all architectures. The regular expression in the |
| # find invocation is needed to separate libc.abilist and |
| # libcrypt.abilist, for example. It assumes that abilist-pattern, if |
| # set, is of the form "%-SUFFIX", and not "%SUFFIX", that is, there is |
| # a non-alphanumeric seperator between the pattern and the suffix |
| # added. The abilist files in /generic/ are filtered out because |
| # these are expected to remain empty. |
| define update-all-abi |
| $(SHELL) $(..)scripts/update-abilist.sh $^ \ |
| $$(find $(..)sysdeps \ |
| -regextype posix-egrep -regex '.*/$*([^a-z0-9].*)?\.abilist$$' \ |
| \! -regex '.*/generic/.*') |
| endef |
| ifdef abilist-pattern |
| update-all-abi-%: $(abilist-pattern) $(objpfx)%.symlist |
| $(update-all-abi) |
| update-all-abi-%: $(abilist-pattern) $(common-objpfx)%.symlist |
| $(update-all-abi) |
| endif |
| update-all-abi-%: %.abilist $(objpfx)%.symlist |
| $(update-all-abi) |
| update-all-abi-%: %.abilist $(common-objpfx)%.symlist |
| $(update-all-abi) |
| |
| .PHONY: update-abi update-all-abi check-abi |
| update-abi: $(patsubst %.so,update-abi-%,$(install-lib.so-versioned)) |
| update-all-abi: $(patsubst %.so,update-all-abi-%,$(install-lib.so-versioned)) |
| check-abi-list = $(patsubst %.so,$(objpfx)check-abi-%.out, \ |
| $(install-lib.so-versioned)) |
| check-abi: $(check-abi-list) |
| ifdef subdir |
| subdir_check-abi: check-abi |
| subdir_update-abi: update-abi |
| subdir_update-all-abi: update-all-abi |
| else |
| check-abi: subdir_check-abi |
| if grep -q '^FAIL:' $(objpfx)*/check-abi*.test-result; then \ |
| cat $(objpfx)*/check-abi*.out && exit 1; fi |
| update-abi: subdir_update-abi |
| update-all-abi: subdir_update-all-abi |
| endif |
| |
| ifeq ($(subdir),elf) |
| check-abi: $(objpfx)check-abi-libc.out |
| tests-special += $(objpfx)check-abi-libc.out |
| update-abi: update-abi-libc |
| update-all-abi: update-all-abi-libc |
| common-generated += libc.symlist |
| endif |
| |
| ifeq ($(build-shared),yes) |
| ifdef subdir |
| tests-special += $(check-abi-list) |
| endif |
| endif |
| |
| 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"'; \ |
| } | \ |
| $(CC) -E -dM -MD -MP -MF $(@:st=dT) -MT '$(@:st=h) $(@:st=d)' \ |
| $(CPPUNDEFS) $(+includes) -xc - -o $(@:st=hT) |
| sed $(sed-remove-objpfx) $(sed-remove-dotdot) \ |
| $(@:st=dT) > $(@:st=dt) |
| mv -f $(@:st=dt) $(@:st=d) |
| fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \ |
| filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \ |
| fopen_max=$${fopen_max:-16}; \ |
| filename_max=$${filename_max:-1024}; \ |
| sed -e "s/@FOPEN_MAX@/$$fopen_max/" \ |
| -e "s/@FILENAME_MAX@/$$filename_max/" \ |
| -e "s/@L_tmpnam@/$(L_tmpnam)/" \ |
| -e "s/@TMP_MAX@/$(TMP_MAX)/" \ |
| -e "s/@L_ctermid@/$(L_ctermid)/" \ |
| -e "s/@L_cuserid@/$(L_cuserid)/" \ |
| $< > $(@:st=h.new) |
| $(move-if-change) $(@:st=h.new) $(@:st=h) |
| # Remove these last so that they can be examined if something went wrong. |
| rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt) |
| touch $@ |
| # Get dependencies. |
| ifndef no_deps |
| -include $(stdio_lim:h=d) |
| endif |
| common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st |
| |
| FORCE: |
| |
| .PHONY: echo-headers |
| echo-headers: |
| @echo $(headers) |
| |
| %.bz2: %; bzip2 -9vk $< |
| %.gz: %; gzip -9vnc $< > $@.new && mv -f $@.new $@ |
| %.xz: %; xz -9evk $< |
| |
| # Common cleaning targets. |
| |
| .PHONY: common-mostlyclean common-clean mostlyclean clean do-tests-clean |
| clean: common-clean |
| mostlyclean: common-mostlyclean |
| |
| do-tests-clean: |
| -rm -f $(addprefix $(objpfx),$(addsuffix .out,$(tests) \ |
| $(tests-internal) \ |
| $(xtests) \ |
| $(test-srcs)) \ |
| $(addsuffix .test-result,$(tests) \ |
| $(tests-internal) \ |
| $(xtests) \ |
| $(test-srcs))) |
| |
| # Remove the object files. |
| common-mostlyclean: |
| -rm -f $(addprefix $(objpfx),$(tests) $(tests-internal) $(xtests) \ |
| $(test-srcs) \ |
| $(others) $(sysdep-others) stubs \ |
| $(addsuffix .o,$(tests) \ |
| $(tests-internal) \ |
| $(xtests) \ |
| $(test-srcs) \ |
| $(others) \ |
| $(sysdep-others)) \ |
| $(addsuffix .out,$(tests) \ |
| $(tests-internal) \ |
| $(xtests) \ |
| $(test-srcs)) \ |
| $(addsuffix .test-result,$(tests) \ |
| $(tests-internal) \ |
| $(xtests) \ |
| $(test-srcs))) |
| -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 |
| $(rmobjs) |
| define rmobjs |
| $(foreach o,$(object-suffixes-for-libc), |
| -rm -f $(objpfx)stamp$o $(o-objects)) |
| endef |
| |
| # Also remove the dependencies and generated source files. |
| common-clean: common-mostlyclean |
| -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 $(gen-as-const-headers:%.sym=$(common-objpfx)%.h) |
| |
| # Produce a file `stubs' which contains `#define __stub_FUNCTION' |
| # for each function which is a stub. |
| |
| ifdef objpfx |
| .PHONY: stubs # The parent Makefile calls this target. |
| stubs: $(objpfx)stubs |
| endif |
| 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 |
| > $@ |
| endif |
| |
| ifneq (,$(strip $(gpl2lgpl))) |
| ifneq (,$(wildcard $(..)gpl2lgpl.sed)) |
| # Snarf from the master source and frob the copying notice. |
| $(gpl2lgpl): %: $(..)gpl2lgpl.sed /home/gd/gnu/lib/% |
| sed -f $^ > $@-tmp |
| # So I don't edit them by mistake. |
| chmod a-w $@-tmp |
| mv -f $@-tmp $@ |
| endif |
| endif |
| |
| # Local Variables: |
| # mode: makefile |
| # End: |
