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glibc/Rules
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# Copyright (C) 1991,92,93,94,95,96,97,98,99,2000 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 Lesser General Public | |
# License as published by the Free Software Foundation; either | |
# version 2.1 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 | |
# Lesser General Public License for more details. | |
# You should have received a copy of the GNU Lesser General Public | |
# License along with the GNU C Library; if not, write to the Free | |
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | |
# 02111-1307 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 ` unconfuses emacs. | |
# This is benign and useless in GNU make before 3.63. | |
export subdir := $(subdir) | |
# This is the default target; it makes the library and auxiliary programs. | |
.PHONY: all | |
all: objs lib others | |
ifeq ($(build-programs),yes) | |
others: $(addprefix $(objpfx),$(extra-objs) \ | |
$(install-lib) \ | |
$(install-bin) $(install-bin-script) \ | |
$(install-rootsbin) $(install-sbin)) | |
else | |
others: $(addprefix $(objpfx),$(extra-objs) \ | |
$(install-lib)) | |
endif | |
ifneq "$(findstring env,$(origin headers))" "" | |
headers := | |
endif | |
ifneq "$(findstring env,$(origin generated))" "" | |
generated := | |
endif | |
ifneq "$(findstring env,$(origin common-generated))" "" | |
common-generated := | |
endif | |
include ../Makerules | |
.PHONY: subdir_lib | |
subdir_lib: lib-noranlib | |
# Some subdirs need to install a dummy library. | |
# They can use "$(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 'extern void __dummy__ (void);'; \ | |
echo 'void __dummy__ (void) { }') > $@ | |
common-generated += dummy.o dummy.c | |
# This makes all the auxiliary and test programs. | |
.PHONY: others tests | |
ifeq ($(build-programs),yes) | |
others: $(addprefix $(objpfx),$(others) $(sysdep-others) $(extra-objs)) | |
else | |
others: $(addprefix $(objpfx),$(extra-objs)) | |
endif | |
ifeq ($(cross-compiling),yes) | |
tests: $(addprefix $(objpfx),$(tests) $(test-srcs)) | |
else | |
ifeq ($(build-bounded),yes) | |
tests-bp.out = $(tests:%=$(objpfx)%-bp.out) | |
endif | |
tests: $(tests:%=$(objpfx)%.out) $(tests-bp.out) | |
endif | |
ifeq ($(build-programs),yes) | |
binaries-all = $(others) $(sysdep-others) $(tests) $(test-srcs) | |
binaries-static = $(others-static) $(tests-static) | |
else | |
binaries-all = $(tests) $(test-srcs) | |
binaries-static = | |
endif | |
binaries-shared = $(filter-out $(binaries-static), $(binaries-all)) | |
ifneq "$(strip $(binaries-shared))" "" | |
$(addprefix $(objpfx),$(binaries-shared)): %: %.o \ | |
$(sort $(filter $(common-objpfx)lib%,$(link-libc))) \ | |
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) | |
$(+link) | |
endif | |
ifneq "$(strip $(binaries-static))" "" | |
$(addprefix $(objpfx),$(binaries-static)): %: %.o \ | |
$(sort $(filter $(common-objpfx)lib%,$(link-libc-static))) \ | |
$(addprefix $(csu-objpfx),start.o) $(+preinit) $(+postinit) | |
$(+link-static) | |
endif | |
ifeq ($(build-bounded),yes) | |
binaries-bounded = $(addsuffix -bp,$(tests) $(test-srcs)) | |
$(addprefix $(objpfx),$(binaries-bounded)): %-bp: %.ob \ | |
$(sort $(filter $(common-objpfx)lib%,$(link-libc-bounded))) \ | |
$(addprefix $(csu-objpfx),start.ob) $(+preinit) $(+postinit) | |
$(+link-bounded) | |
endif | |
ifneq "$(strip $(tests) $(test-srcs))" "" | |
# These are the implicit rules for making test outputs | |
# from the test programs and whatever input files are present. | |
make-test-out = GCONV_PATH=$(common-objpfx)iconvdata LC_ALL=C \ | |
$($*-ENV) $(built-program-cmd) $($*-ARGS) | |
$(objpfx)%-bp.out: %.input $(objpfx)%-bp | |
$(make-test-out) > $@ < $(word 1,$^) | |
$(objpfx)%.out: %.input $(objpfx)% | |
$(make-test-out) > $@ < $(word 1,$^) | |
$(objpfx)%.out: /dev/null $(objpfx)% # Make it 2nd arg for canned sequence. | |
$(make-test-out) > $@ | |
endif # tests | |
.PHONY: distclean realclean subdir_distclean subdir_realclean \ | |
subdir_clean subdir_mostlyclean subdir_testclean | |
subdir_mostlyclean: mostlyclean | |
subdir_clean: clean | |
subdir_distclean: distclean | |
subdir_realclean: realclean | |
subdir_testclean: do-tests-clean | |
realclean: distclean | |
distclean: clean | |
.PHONY: subdir_echo-headers | |
subdir_echo-headers: echo-headers | |
.PHONY: subdir_echo-distinfo | |
subdir_echo-distinfo: | |
@echo $(addprefix +header+,$(headers) $(filter %.h,$(distribute))) \ | |
$(addprefix +nodist+,$(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)) | |
# Target required by the Hurd to ensure that all the MiG-generated | |
# headers are in place before building a subdirectory. | |
.PHONY: before-compile | |
before-compile: $(before-compile) | |
$(common-objpfx)dummy.o: $(common-objpfx)dummy.c $(before-compile); | |
$(compile-command.c) | |
# There's no good place to put this - here will do. | |
# The dependencies are wrong if it's run from the top level. | |
ifeq ($(filter %posix, $(sysdirs)),) | |
L_tmpnam = 1 | |
TMP_MAX = 0 | |
L_ctermid = 1 | |
L_cuserid = 1 | |
else | |
L_tmpnam = 20 | |
TMP_MAX = 238328 | |
L_ctermid = 9 | |
L_cuserid = 9 | |
endif | |
stdio_lim = $(common-objpfx)bits/stdio_lim.h | |
$(stdio_lim:lim.h=%.h) $(stdio_lim:lim.h=%.d): $(stdio_lim:lim.h=%.st); @: | |
$(stdio_lim:h=st): $(..)stdio-common/stdio_lim.h.in $(..)Rules \ | |
$(common-objpfx)config.make | |
$(make-target-directory) | |
echo '#include "$(..)posix/bits/posix1_lim.h"' | \ | |
SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \ | |
$(CC) $(+includes) -E -dM -xc - -o $(@:st=hT) | |
echo '#include "$(..)misc/sys/uio.h"' | \ | |
SUNPRO_DEPENDENCIES='$(@:st=dT) $@' \ | |
$(CC) -D_LIBC=1 $(+includes) -E -dM -xc - | cat - >> $(@:st=hT) | |
ifdef sed-remove-objpfx | |
sed $(sed-remove-objpfx) $(@:st=dT) > $(@:st=dt) | |
cat $(@:st=dt) >> $(@:st=d) | |
else | |
cat $(@:st=dT) >> $(@:st=d) | |
endif | |
fopen_max=`sed -n 's/^#define OPEN_MAX //1p' $(@:st=hT)`; \ | |
filename_max=`sed -n 's/^#define PATH_MAX //1p' $(@:st=hT)`; \ | |
iov_max=`sed -n 's/^#define UIO_MAXIOV //p' $(@:st=hT)`; \ | |
fopen_max=$${fopen_max:-16}; \ | |
filename_max=$${filename_max:-1024}; \ | |
if [ -z $$iov_max ]; then \ | |
define_iov_max="# undef IOV_MAX"; \ | |
else \ | |
define_iov_max="# define IOV_MAX $$iov_max"; \ | |
fi; \ | |
sed -e "s/@FOPEN_MAX@/$$fopen_max/" \ | |
-e "s/@FILENAME_MAX@/$$filename_max/" \ | |
-e "s/@L_tmpnam@/$(L_tmpnam)/" \ | |
-e "s/@TMP_MAX@/$(TMP_MAX)/" \ | |
-e "s/@L_ctermid@/$(L_ctermid)/" \ | |
-e "s/@L_cuserid@/$(L_cuserid)/" \ | |
-e "s/@define_IOV_MAX@/$$define_iov_max/" \ | |
$< > $(@:st=h.new) | |
$(move-if-change) $(@:st=h.new) $(@:st=h) | |
# Remove these last so that they can be examined if something went wrong. | |
rm -f $(@:st=hT) $(@:st=dT) $(@:st=dt) | |
touch $@ | |
# Get dependencies. | |
ifndef no_deps | |
-include $(stdio_lim:h=d) | |
endif | |
common-generated += bits/stdio_lim.h bits/stdio_lim.d bits/stdio_lim.st |