| # Copyright (C) 1991, 92, 93, 94, 95, 96 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 Library General Public License as |
| # published by the Free Software Foundation; either version 2 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 |
| # Library General Public License for more details. |
| |
| # You should have received a copy of the GNU Library General Public |
| # License along with the GNU C Library; see the file COPYING.LIB. If |
| # not, write to the Free Software Foundation, Inc., 675 Mass Ave, |
| # Cambridge, MA 02139, USA. |
| |
| # |
| # Rules for making a subdirectory in the GNU C library. |
| # Each subdirectory Makefile defines some variables and includes this. |
| # |
| ifneq (,) |
| This makefile requires GNU Make. |
| endif |
| |
| all: # Don't let the default goal come from Makeconfig. |
| |
| include ../Makeconfig |
| |
| ifndef subdir |
| Each subdirectory makefile must define the `subdir' variable. |
| endif |
| # This is benign and useless in GNU make before 3.63. |
| export subdir := $(subdir) |
| |
| # This is the default target; it makes the library and auxiliary programs. |
| .PHONY: all |
| all: objs lib others |
| |
| others: $(addprefix $(objpfx),$(extra-objs) \ |
| $(install-lib) $(install-bin) \ |
| $(install-rootsbin) $(install-sbin)) |
| |
| ifneq "$(findstring env,$(origin headers))" "" |
| headers := |
| endif |
| |
| ifneq "$(findstring env,$(origin generated))" "" |
| generated := |
| endif |
| |
| ifneq "$(findstring env,$(origin common-generated))" "" |
| common-generated := |
| endif |
| |
| ifeq "$(strip $(headers))" "" |
| ifneq "$(wildcard $(subdir).h)" "" |
| override headers := $(subdir).h |
| endif |
| endif |
| |
| include ../Makerules |
| |
| .PHONY: subdir_lib |
| subdir_lib: lib-noranlib |
| |
| # Some subdirs need to install a dummy library. |
| # They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)". |
| dep-dummy-lib = $(common-objpfx)dummy.o |
| define make-dummy-lib |
| $(AR) cr$(verbose) $@ $< |
| endef |
| $(common-objpfx)dummy.c: |
| rm -f $@ |
| echo 'void __dummy__ (void) { }' > $@ |
| $(common-objpfx)empty.c: |
| cp -f /dev/null $@ |
| common-generated := $(common-generated) dummy.o dummy.c empty.c empty.o |
| |
| # This makes all the auxiliary and test programs. |
| |
| .PHONY: others tests |
| others: $(addprefix $(objpfx),$(others) $(extra-objs)) |
| ifeq ($(cross-compiling),yes) |
| tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) |
| else |
| tests: $(tests:%=$(objpfx)%.out) |
| endif |
| |
| ifneq "$(strip $(others) $(tests) $(test-srcs))" "" |
| $(addprefix $(objpfx),$(others) $(tests) $(test-srcs)): %: %.o \ |
| $(sort $(filter $(common-objpfx)libc%,$(link-libc))) \ |
| $(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) |
| $(+link) |
| endif |
| |
| ifneq "$(strip $(tests) $(test-srcs))" "" |
| # These are the implicit rules for making test outputs |
| # from the test programs and whatever input files are present. |
| $(objpfx)%.out: %.args $(objpfx)% %.input |
| $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` < $(word 3,$^) > $@ |
| $(objpfx)%.out: %.args $(objpfx)% |
| $($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` > $@ |
| $(objpfx)%.out: %.input $(objpfx)% |
| $($*-ENV) $(built-program-cmd) < $(word 1,$^) > $@ |
| $(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence. |
| $($*-ENV) $(built-program-cmd) > $@ |
| endif # tests |
| |
| .PHONY: distclean realclean subdir_distclean subdir_realclean \ |
| subdir_clean subdir_mostlyclean |
| subdir_mostlyclean: mostlyclean |
| subdir_clean: clean |
| subdir_distclean: distclean |
| subdir_realclean: realclean |
| realclean: distclean |
| distclean: clean |
| |
| .PHONY: subdir_echo-headers |
| subdir_echo-headers: echo-headers |
| |
| .PHONY: subdir_echo-distinfo |
| subdir_echo-distinfo: |
| @echo $(addprefix +header+,$(headers)) \ |
| $(addprefix +nodist+,$(generated) $(common-generated) $(dont_distribute)) |
| |
| # We want to install everything except the library itself, but update all |
| # our portions of the library because the parent make will install it later |
| # (likewise the stubs file). |
| .PHONY: subdir_install |
| subdir_install: install-no-libc.a lib-noranlib stubs |
| |
| .PHONY: subdir_TAGS subdir_dist |
| subdir_TAGS: TAGS |
| subdir_dist: dist |
| |
| # Convenient target to update all the generated source files. |
| .PHONY: generated |
| generated: $(addprefix $(common-objpfx),$(common-generated)) \ |
| $(addprefix $(objpfx),$(generated)) |
| |
| ifndef libc.so-version |
| # Undefine this because it can't work when we libc.so is unversioned. |
| static-only-routines = |
| endif |
| |
| ifdef static-only-routines |
| # These routines are to be omitted from the shared library object, |
| # so we replace the PIC objects for them with the empty object file. |
| $(static-only-routines:%=$(objpfx)%.so): %.so: $(common-objpfx)empty.o |
| rm -f $@ |
| ln $< $@ |
| endif |