mirror of
https://sourceware.org/git/glibc.git
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431f91ba3a
1998-10-11 Ulrich Drepper <drepper@cygnus.com> * Rules [posix in sysdirs]: Set L_tmpnam to 20. Patch by Zack Weinberg <zack@rabi.columbia.edu>. * string/bits/string2.h [!_STRING_ARCH_unaligned] (__mempcpy_small): Add parameter for 1 byte copy and use it. Reported by Geoff Keating <geoffk@ozemail.com.au>.
247 lines
7.8 KiB
Plaintext
247 lines
7.8 KiB
Plaintext
# Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Library General Public License as
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# published by the Free Software Foundation; either version 2 of the
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# License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Library General Public License for more details.
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# You should have received a copy of the GNU Library General Public
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# License along with the GNU C Library; see the file COPYING.LIB. If not,
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# write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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#
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# Rules for making a subdirectory in the GNU C library.
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# Each subdirectory Makefile defines some variables and includes this.
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#
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ifneq (,)
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This makefile requires GNU Make.
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endif
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all: # Don't let the default goal come from Makeconfig.
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include ../Makeconfig
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ifndef subdir
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Each subdirectory makefile must define the `subdir' variable.
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endif
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# This ` unconfuses emacs.
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# This is benign and useless in GNU make before 3.63.
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export subdir := $(subdir)
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# This is the default target; it makes the library and auxiliary programs.
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.PHONY: all
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all: objs lib others
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(extra-objs) \
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$(install-lib) $(install-bin) \
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$(install-rootsbin) $(install-sbin))
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else
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others: $(addprefix $(objpfx),$(extra-objs) \
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$(install-lib))
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endif
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ifneq "$(findstring env,$(origin headers))" ""
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headers :=
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endif
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ifneq "$(findstring env,$(origin generated))" ""
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generated :=
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endif
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ifneq "$(findstring env,$(origin common-generated))" ""
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common-generated :=
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endif
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include ../Makerules
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.PHONY: subdir_lib
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subdir_lib: lib-noranlib
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# Some subdirs need to install a dummy library.
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# They can use "$(objpfx)libfnord.a: $(dep-dummy-lib); $(make-dummy-lib)".
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dep-dummy-lib = $(common-objpfx)dummy.o
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define make-dummy-lib
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$(AR) cr$(verbose) $@ $<
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endef
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$(common-objpfx)dummy.c:
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rm -f $@
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echo 'void __dummy__ (void) { }' > $@
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$(common-objpfx)empty.c:
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cp -f /dev/null $@
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common-generated += dummy.o dummy.c empty.c \
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$(addprefix empty,$(object-suffixes))
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# This makes all the auxiliary and test programs.
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.PHONY: others tests
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ifeq ($(build-programs),yes)
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others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs))
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else
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others: $(addprefix $(objpfx),$(extra-objs))
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endif
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ifeq ($(cross-compiling),yes)
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tests: $(addprefix $(objpfx),$(tests) $(test-srcs))
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ifeq ($(build-static),yes)
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tests: $(addprefix $(objpfx),$(tests-static))
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endif
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else
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tests: $(tests:%=$(objpfx)%.out)
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ifeq ($(build-static),yes)
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tests: $(tests-static:%=$(objpfx)%.sout)
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endif
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endif
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ifeq ($(build-programs),yes)
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binaries-all = $(others) $(sysdep-others) $(tests) $(test-srcs)
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binaries-static = $(others-static) $(tests-static) $(test-srcs-static)
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else
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binaries-all = $(tests) $(test-srcs)
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binaries-static = $(tests-static) $(test-srcs-static)
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endif
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binaries-shared = $(filter-out $(binaries-static), $(binaries-all))
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ifneq "$(strip $(binaries-shared))" ""
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$(addprefix $(objpfx),$(binaries-shared)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link)
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endif
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ifneq "$(strip $(binaries-static))" ""
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$(addprefix $(objpfx),$(binaries-static)): %: %.o \
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$(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \
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$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit)
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$(+link-static)
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endif
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ifneq "$(strip $(tests) $(test-srcs))" ""
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# These are the implicit rules for making test outputs
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# from the test programs and whatever input files are present.
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$(objpfx)%.out: %.args $(objpfx)% %.input
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$($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` < $(word 3,$^) > $@
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$(objpfx)%.out: %.args $(objpfx)%
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$($*-ENV) $(built-program-cmd) `cat $(word 1,$^)` > $@
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$(objpfx)%.out: %.input $(objpfx)%
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$($*-ENV) $(built-program-cmd) < $(word 1,$^) > $@
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$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
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$($*-ENV) $(built-program-cmd) > $@
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endif # tests
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ifneq "$(strip $(tests-static) $(test-static-srcs))" ""
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# These are the implicit rules for making test outputs
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# from the test programs and whatever input files are present.
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$(objpfx)%.sout: %.args $(objpfx)% %.input
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$($*-ENV) $(built-program-file) `cat $(word 1,$^)` < $(word 3,$^) > $@
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$(objpfx)%.sout: %.args $(objpfx)%
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$($*-ENV) $(built-program-file) `cat $(word 1,$^)` > $@
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$(objpfx)%.sout: %.input $(objpfx)%
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$($*-ENV) $(built-program-file) < $(word 1,$^) > $@
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$(objpfx)%.sout: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence.
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$($*-ENV) $(built-program-file) > $@
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endif # tests
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.PHONY: distclean realclean subdir_distclean subdir_realclean \
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subdir_clean subdir_mostlyclean
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subdir_mostlyclean: mostlyclean
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subdir_clean: clean
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subdir_distclean: distclean
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subdir_realclean: realclean
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realclean: distclean
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distclean: clean
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.PHONY: subdir_echo-headers
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subdir_echo-headers: echo-headers
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.PHONY: subdir_echo-distinfo
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subdir_echo-distinfo:
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@echo $(addprefix +header+,$(headers) $(filter %.h,$(distribute))) \
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$(addprefix +nodist+,$(generated) $(common-generated) $(dont_distribute))
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# We want to install everything except the library itself, but update all
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# our portions of the library because the parent make will install it later
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# (likewise the stubs file).
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.PHONY: subdir_install
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subdir_install: install-no-libc.a lib-noranlib stubs
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.PHONY: subdir_TAGS subdir_dist
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subdir_TAGS: TAGS
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subdir_dist: dist
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# Convenient target to update all the generated source files.
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.PHONY: generated
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generated: $(addprefix $(common-objpfx),$(common-generated)) \
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$(addprefix $(objpfx),$(generated))
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# Target required by the Hurd to ensure that all the MiG-generated
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# headers are in place before building a subdirectory.
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.PHONY: before-compile
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before-compile: $(before-compile)
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define o-iterator-doit
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$(common-objpfx)empty$o: $(common-objpfx)empty.c $(before-compile);
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$$(compile-command.c)
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endef
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object-suffixes-left := $(object-suffixes)
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include $(o-iterator)
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define o-iterator-doit
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$(common-objpfx)dummy$o: $(common-objpfx)dummy.c $(before-compile);
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$$(compile-command.c)
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endef
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object-suffixes-left := $(object-suffixes)
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include $(o-iterator)
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# There's no good place to put this - here will do.
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# The dependencies are wrong if it's run from the top level.
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ifeq ($(filter %posix, $(sysdirs)),)
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L_tmpnam = 1
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TMP_MAX = 0
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L_ctermid = 1
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L_cuserid = 1
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else
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L_tmpnam = 20
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TMP_MAX = 238328
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L_ctermid = 9
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L_cuserid = 9
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endif
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$(common-objpfx)bits/stdio_%.h $(common-objpfx)bits/stdio_%.d: \
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$(..)stdio-common/stdio_%.h.in
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$(make-target-directory)
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echo '#include "$(..)posix/bits/posix1_lim.h"' | \
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SUNPRO_DEPENDENCIES='$(@:.h=.d)T MARKER' \
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$(CC) $(+includes) -E -dM -xc - -o $(@:.d=.h)T
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sed -e 's!MARKER!$(@:.h=.d) $(@:.d=.h)!' \
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-e 's!$(common-objpfx)!$$(common-objpfx)!g' \
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$(@:.h=.d)T > $(@:.h=.d)t
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mv -f $(@:.h=.d)t $(@:.h=.d)
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fopen_max=`sed -n 's/^#define OPEN_MAX //p' $(@:.d=.h)T`; \
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filename_max=`sed -n 's/^#define PATH_MAX //p' $(@:.d=.h)T`; \
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fopen_max=$${fopen_max:-16}; \
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filename_max=$${filename_max:-1024}; \
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sed -e "s/@FOPEN_MAX@/$$fopen_max/" \
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-e "s/@FILENAME_MAX@/$$filename_max/" \
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-e "s/@L_tmpnam@/$(L_tmpnam)/" \
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-e "s/@TMP_MAX@/$(TMP_MAX)/" \
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-e "s/@L_ctermid@/$(L_ctermid)/" \
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-e "s/@L_cuserid@/$(L_cuserid)/" \
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$< > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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# Remove these last so that they can be examined if something went wrong.
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rm -f $(@:.d=.h)T $(@:.h=.d)T
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# Get dependencies.
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ifndef no_deps
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-include $(common-objpfx)bits/stdio_lim.d
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endif
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common-generated += bits/stdio_lim.h bits/stdio_lim.d
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