1 # Copyright (C) 1991, 1992 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Library General Public License as
6 # published by the Free Software Foundation; either version 2 of the
7 # License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Library General Public License for more details.
14 # You should have received a copy of the GNU Library General Public
15 # License along with the GNU C Library; see the file COPYING.LIB. If
16 # not, write to the Free Software Foundation, Inc., 675 Mass Ave,
17 # Cambridge, MA 02139, USA.
20 # Propagated rules for making the GNU C library
23 This makefile requires GNU Make.
29 Each subdirectory makefile must define the `subdir' variable.
33 # This is the default target; it makes the library.
37 ifneq "$(findstring env,$(origin headers))" ""
41 ifeq "$(strip $(headers))" ""
42 ifneq "$(wildcard $(subdir).h)" ""
43 override headers := $(subdir).h
50 subdir_lib: lib-noranlib
52 .PHONY: subdir_headers
53 subdir_headers: headers
55 # This makes all the auxilliary and test programs.
58 others: $(addprefix $(objpfx),$(others))
59 tests: $(tests:%=$(objpfx)%.out)
61 ifneq "$(strip $(others) $(tests))" ""
62 $(addprefix $(objpfx),$(others) $(tests)): %: %.o $(libc.a)
66 ifneq "$(strip $(tests))" ""
67 # These are the implicit rules for making test outputs
68 # from the test programs and whatever input files are present.
69 $(objpfx)%.out: $(objpfx)% %.args %.input
70 $(dir $<)$(notdir $<) `cat $(word 2,$^)` < $(word 3,$^) > $@
71 $(objpfx)%.out: $(objpfx)% %.args
72 $(dir $<)$(notdir $<) `cat $(word 2,$^)` > $@
73 $(objpfx)%.out: $(objpfx)% %.input
74 $(dir $<)$(notdir $<) < $(word 2,$^) > $@
75 $(objpfx)%.out: $(objpfx)%
76 $(dir $<)$(notdir $<) > $@
79 # This removes everything that can be regenerated
80 # except for the object files and the object-file library members.
83 -rm -f $(addprefix $(objpfx),$(tests) $(others))
84 -rm -f core TAGS depend
86 # This removes absolutely everything that can be regenerated.
87 .PHONY: subdir_clean clean realclean
88 subdir_clean realclean: clean
91 -rm -f $(+objs) $(+depfiles)
93 .PHONY: subdir_echo-headers
94 subdir_echo-headers: echo-headers
96 .PHONY: subdir_echo-distinfo
98 @echo $(addprefix +header+,$(headers)) \
99 $(addprefix +nodist+,$(dont_distribute))
101 .PHONY: subdir_install
102 subdir_install: install
107 # Make the distribution tarfile for the parent makefile.
108 export distribute dont_distribute
109 .PHONY: subdir_dist dist
112 $(MAKE) -f $< $(Make-dist-args)