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- # Copyright (C) 1991, 1992, 1993, 1994 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 := $(subdir)
-
- # This is the default target; it makes the library and auxiliary programs.
- .PHONY: all
- all: lib others
-
- ifneq "$(findstring env,$(origin headers))" ""
- headers :=
- endif
-
- ifneq "$(findstring env,$(origin generated))" ""
- generated :=
- endif
-
- ifeq "$(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 = $(objpfx)dummy.o
- define make-dummy-lib
- $(AR) cr$(verbose) $@ $<
- endef
- $(objpfx)dummy.o:
- @rm -f $(@:.o=.c)
- cp /dev/null $(@:.o=.c)
- $(CC) -c $(@:.o=.c) -o $@
-
- # This makes all the auxilliary and test programs.
-
- .PHONY: others tests
- others: $(addprefix $(objpfx),$(others))
- ifeq ($(cross-compiling),yes)
- tests: $(addprefix $(objpfx),$(tests))
- else
- tests: $(tests:%=$(objpfx)%.out)
- endif
-
- ifneq "$(strip $(others) $(tests))" ""
- $(addprefix $(objpfx),$(others) $(tests)): %: %.o $(libc.a)
- $(+link)
- endif
-
- ifneq "$(strip $(tests))" ""
- # These are the implicit rules for making test outputs
- # from the test programs and whatever input files are present.
- $(objpfx)%.out: $(objpfx)% %.args %.input
- $(dir $<)$(notdir $<) `cat $(word 2,$^)` < $(word 3,$^) > $@
- $(objpfx)%.out: $(objpfx)% %.args
- $(dir $<)$(notdir $<) `cat $(word 2,$^)` > $@
- $(objpfx)%.out: $(objpfx)% %.input
- $(dir $<)$(notdir $<) < $(word 2,$^) > $@
- $(objpfx)%.out: $(objpfx)%
- $(dir $<)$(notdir $<) > $@
- 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) $(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 $(objpfx),$(generated))
-