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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /Rules
downloadglibc-28f540f45bbacd939bfd07f213bcad2bf730b1bf.tar.gz
initial import
Diffstat (limited to 'Rules')
-rw-r--r--Rules128
1 files changed, 128 insertions, 0 deletions
diff --git a/Rules b/Rules
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+++ b/Rules
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+# Copyright (C) 1991, 1992, 1993, 1994, 1995 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)
+ echo 'void __dummy__ () { }' > $(@:.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))