1# Copyright (C) 1991-2022 Free Software Foundation, Inc. 2# This file is part of the GNU C Library. 3 4# The GNU C Library is free software; you can redistribute it and/or 5# modify it under the terms of the GNU Lesser General Public 6# License as published by the Free Software Foundation; either 7# version 2.1 of the License, or (at your option) any later version. 8 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# Lesser General Public License for more details. 13 14# You should have received a copy of the GNU Lesser General Public 15# License along with the GNU C Library; if not, see 16# <https://www.gnu.org/licenses/>. 17 18# 19# Master Makefile for the GNU C library 20# 21ifneq (,) 22This makefile requires GNU Make. 23endif 24 25include Makeconfig 26 27 28# This is the default target; it makes everything except the tests. 29.PHONY: all help minihelp 30all: minihelp lib others 31 32help: 33 @sed '0,/^help-starts-here$$/d' Makefile.help 34 35minihelp: 36 @echo 37 @echo type \"make help\" for help with common glibc makefile targets 38 @echo 39 40 41ifneq ($(AUTOCONF),no) 42 43define autoconf-it 44@-rm -f $@.new 45$(AUTOCONF) $(ACFLAGS) $< > $@.new 46chmod a-w$(patsubst %,$(comma)a+x,$(filter .,$(@D))) $@.new 47mv -f $@.new $@ 48endef 49 50configure: configure.ac aclocal.m4; $(autoconf-it) 51%/configure: %/configure.ac aclocal.m4; $(autoconf-it) 52%/preconfigure: %/preconfigure.ac aclocal.m4; $(autoconf-it) 53 54endif # $(AUTOCONF) = no 55 56 57# We don't want to run anything here in parallel. 58.NOTPARALLEL: 59 60# These are the targets that are made by making them in each subdirectory. 61+subdir_targets := subdir_lib objects objs others subdir_mostlyclean \ 62 subdir_clean subdir_distclean subdir_realclean \ 63 tests xtests \ 64 subdir_update-abi subdir_check-abi \ 65 subdir_update-all-abi \ 66 subdir_echo-headers \ 67 subdir_install \ 68 subdir_objs subdir_stubs subdir_testclean \ 69 $(addprefix install-, no-libc.a bin lib data headers others) 70 71headers := limits.h values.h features.h features-time64.h gnu-versions.h \ 72 bits/xopen_lim.h gnu/libc-version.h stdc-predef.h \ 73 bits/libc-header-start.h 74 75echo-headers: subdir_echo-headers 76 77# The headers are in the include directory. 78subdir-dirs = include 79vpath %.h $(subdir-dirs) 80 81# What to install. 82install-others = $(inst_includedir)/gnu/stubs.h 83install-bin-script = 84 85ifeq (yes,$(build-shared)) 86headers += gnu/lib-names.h 87endif 88 89include Makerules 90 91ifeq ($(build-programs),yes) 92others: $(addprefix $(objpfx),$(install-bin-script)) 93endif 94 95# Install from subdirectories too. 96install: subdir_install 97 98# Explicit dependency so that `make install-headers' works 99install-headers: install-headers-nosubdir 100 101# Make sure that the dynamic linker is installed before libc. 102$(inst_slibdir)/libc-$(version).so: elf/ldso_install 103 104.PHONY: elf/ldso_install 105elf/ldso_install: 106 $(MAKE) -C $(@D) $(@F) 107 108# Create links for shared libraries using the `ldconfig' program if possible. 109# Ignore the error if we cannot update /etc/ld.so.cache. 110ifeq (no,$(cross-compiling)) 111ifeq (yes,$(build-shared)) 112install: 113 -test ! -x $(elf-objpfx)ldconfig || LC_ALL=C \ 114 $(elf-objpfx)ldconfig $(addprefix -r ,$(install_root)) \ 115 $(slibdir) $(libdir) 116ifneq (no,$(PERL)) 117ifeq (/usr,$(prefix)) 118ifeq (,$(install_root)) 119 LD_SO=$(ld.so-version) CC="$(CC)" $(PERL) scripts/test-installation.pl $(common-objpfx) 120endif 121endif 122endif 123endif 124endif 125 126# Build subdirectory lib objects. 127lib-noranlib: subdir_lib 128 129ifeq (yes,$(build-shared)) 130# Build the shared object from the PIC object library. 131lib: $(common-objpfx)libc.so $(common-objpfx)linkobj/libc.so 132endif # $(build-shared) 133 134# Used to build testrun.sh. 135define testrun-script 136#!/bin/bash 137builddir=`dirname "$$0"` 138GCONV_PATH="$${builddir}/iconvdata" 139 140usage () { 141cat << EOF 142Usage: $$0 [OPTIONS] <program> [ARGUMENTS...] 143 144 --tool=TOOL Run with the specified TOOL. It can be strace, rpctrace, 145 valgrind or container. The container will run within 146 support/test-container. For strace and valgrind, 147 additional arguments can be passed after the tool name. 148EOF 149 150 exit 1 151} 152 153toolname=default 154while test $$# -gt 0 ; do 155 case "$$1" in 156 --tool=*) 157 toolname="$${1:7}" 158 shift 159 ;; 160 --*) 161 usage 162 ;; 163 *) 164 break 165 ;; 166 esac 167done 168 169if test $$# -eq 0 ; then 170 usage 171fi 172 173case "$$toolname" in 174 default) 175 exec $(subst $(common-objdir),"$${builddir}", $(test-program-prefix)) \ 176 $${1+"$$@"} 177 ;; 178 strace*) 179 exec $$toolname $(patsubst %, -E%, $(run-program-env)) \ 180 $(test-via-rtld-prefix) $${1+"$$@"} 181 ;; 182 rpctrace) 183 exec rpctrace $(patsubst %, -E%, $(run-program-env)) \ 184 $(test-via-rtld-prefix) $${1+"$$@"} 185 ;; 186 valgrind*) 187 exec env $(run-program-env) $$toolname $(test-via-rtld-prefix) $${1+"$$@"} 188 ;; 189 container) 190 exec env $(run-program-env) $(test-via-rtld-prefix) \ 191 $(common-objdir)/support/test-container \ 192 env $(run-program-env) $(test-via-rtld-prefix) $${1+"$$@"} 193 ;; 194 *) 195 usage 196 ;; 197esac 198endef 199 200# This is a handy script for running any dynamically linked program against 201# the current libc build for testing. 202$(common-objpfx)testrun.sh: $(common-objpfx)config.make \ 203 $(..)Makeconfig $(..)Makefile 204 $(file >$@T,$(testrun-script)) 205 chmod a+x $@T 206 mv -f $@T $@ 207postclean-generated += testrun.sh 208 209define debugglibc 210#!/bin/bash 211 212SOURCE_DIR="$(CURDIR)" 213BUILD_DIR="$(common-objpfx)" 214CMD_FILE="$(common-objpfx)debugglibc.gdb" 215CONTAINER=false 216DIRECT=true 217STATIC=false 218SYMBOLSFILE=true 219unset TESTCASE 220unset BREAKPOINTS 221unset ENVVARS 222 223usage() 224{ 225cat << EOF 226Usage: $$0 [OPTIONS] <program> 227 228 Or: $$0 [OPTIONS] -- <program> [<args>]... 229 230 where <program> is the path to the program being tested, 231 and <args> are the arguments to be passed to it. 232 233Options: 234 235 -h, --help 236 Prints this message and leaves. 237 238 The following options require one argument: 239 240 -b, --breakpoint 241 Breakpoints to set at the beginning of the execution 242 (each breakpoint demands its own -b option, e.g. -b foo -b bar) 243 -e, --environment-variable 244 Environment variables to be set with 'exec-wrapper env' in GDB 245 (each environment variable demands its own -e option, e.g. 246 -e FOO=foo -e BAR=bar) 247 248 The following options do not take arguments: 249 250 -c, --in-container 251 Run the test case inside a container and automatically attach 252 GDB to it. 253 -i, --no-direct 254 Selects whether to pass the --direct flag to the program. 255 --direct is useful when debugging glibc test cases. It inhibits the 256 tests from forking and executing in a subprocess. 257 Default behaviour is to pass the --direct flag, except when the 258 program is run with user specified arguments using the "--" separator. 259 -s, --no-symbols-file 260 Do not tell GDB to load debug symbols from the program. 261EOF 262} 263 264# Parse input options 265while [[ $$# > 0 ]] 266do 267 key="$$1" 268 case $$key in 269 -h|--help) 270 usage 271 exit 0 272 ;; 273 -b|--breakpoint) 274 BREAKPOINTS="break $$2\n$$BREAKPOINTS" 275 shift 276 ;; 277 -e|--environment-variable) 278 ENVVARS="$$2 $$ENVVARS" 279 shift 280 ;; 281 -c|--in-container) 282 CONTAINER=true 283 ;; 284 -i|--no-direct) 285 DIRECT=false 286 ;; 287 -s|--no-symbols-file) 288 SYMBOLSFILE=false 289 ;; 290 --) 291 shift 292 TESTCASE=$$1 293 COMMANDLINE="$$@" 294 # Don't add --direct when user specifies program arguments 295 DIRECT=false 296 break 297 ;; 298 *) 299 TESTCASE=$$1 300 COMMANDLINE=$$TESTCASE 301 ;; 302 esac 303 shift 304done 305 306# Check for required argument and if the testcase exists 307if [ ! -v TESTCASE ] || [ ! -f $${TESTCASE} ] 308then 309 usage 310 exit 1 311fi 312 313# Container tests needing locale data should install them in-container. 314# Other tests/binaries need to use locale data from the build tree. 315if [ "$$CONTAINER" = false ] 316then 317 ENVVARS="GCONV_PATH=$${BUILD_DIR}/iconvdata $$ENVVARS" 318 ENVVARS="LOCPATH=$${BUILD_DIR}/localedata $$ENVVARS" 319 ENVVARS="LC_ALL=C $$ENVVARS" 320fi 321 322# Expand environment setup command 323if [ -v ENVVARS ] 324then 325 ENVVARSCMD="set exec-wrapper env $$ENVVARS" 326fi 327 328# Expand direct argument 329if [ "$$DIRECT" == true ] 330then 331 DIRECT="--direct" 332else 333 DIRECT="" 334fi 335 336# Check if the test case is static 337if file $${TESTCASE} | grep "statically linked" >/dev/null 338then 339 STATIC=true 340else 341 STATIC=false 342fi 343 344# Expand symbols loading command 345if [ "$$SYMBOLSFILE" == true ] 346then 347 SYMBOLSFILE="add-symbol-file $${TESTCASE}" 348else 349 SYMBOLSFILE="" 350fi 351 352# GDB commands template 353template () 354{ 355cat <<EOF 356set environment C -E -x c-header 357set auto-load safe-path $${BUILD_DIR}/nptl_db:\$$debugdir:\$$datadir/auto-load 358set libthread-db-search-path $${BUILD_DIR}/nptl_db 359__ENVVARS__ 360__SYMBOLSFILE__ 361break _dl_start_user 362run --library-path $(rpath-link):$${BUILD_DIR}/nptl_db \ 363__COMMANDLINE__ __DIRECT__ 364__BREAKPOINTS__ 365EOF 366} 367 368# Generate the commands file for gdb initialization 369template | sed \ 370 -e "s|__ENVVARS__|$$ENVVARSCMD|" \ 371 -e "s|__SYMBOLSFILE__|$$SYMBOLSFILE|" \ 372 -e "s|__COMMANDLINE__|$$COMMANDLINE|" \ 373 -e "s|__DIRECT__|$$DIRECT|" \ 374 -e "s|__BREAKPOINTS__|$$BREAKPOINTS|" \ 375 > $$CMD_FILE 376 377echo 378echo "Debugging glibc..." 379echo "Build directory : $$BUILD_DIR" 380echo "Source directory : $$SOURCE_DIR" 381echo "GLIBC Testcase : $$TESTCASE" 382echo "GDB Commands : $$CMD_FILE" 383echo "Env vars : $$ENVVARS" 384echo 385 386if [ "$$CONTAINER" == true ] 387then 388# Use testrun.sh to start the test case with WAIT_FOR_DEBUGGER=1, then 389# automatically attach GDB to it. 390WAIT_FOR_DEBUGGER=1 $(common-objpfx)testrun.sh --tool=container $${TESTCASE} & 391gdb -x $${TESTCASE}.gdb 392elif [ "$$STATIC" == true ] 393then 394gdb $${TESTCASE} 395else 396# Start the test case debugging in two steps: 397# 1. the following command invokes gdb to run the loader; 398# 2. the commands file tells the loader to run the test case. 399gdb -q \ 400 -x $${CMD_FILE} \ 401 -d $${SOURCE_DIR} \ 402 $${BUILD_DIR}/elf/ld.so 403fi 404endef 405 406# This is another handy script for debugging dynamically linked program 407# against the current libc build for testing. 408$(common-objpfx)debugglibc.sh: $(common-objpfx)config.make \ 409 $(..)Makeconfig $(..)Makefile 410 $(file >$@T,$(debugglibc)) 411 chmod a+x $@T 412 mv -f $@T $@ 413postclean-generated += debugglibc.sh debugglibc.gdb 414 415others: $(common-objpfx)testrun.sh $(common-objpfx)debugglibc.sh 416 417# Makerules creates a file `stubs' in each subdirectory, which 418# contains `#define __stub_FUNCTION' for each function defined in that 419# directory which is a stub. 420# Here we paste all of these together into <gnu/stubs.h>. 421 422subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs) 423 424ifndef abi-variants 425installed-stubs = $(inst_includedir)/gnu/stubs.h 426else 427installed-stubs = $(inst_includedir)/gnu/stubs-$(default-abi).h 428 429$(inst_includedir)/gnu/stubs.h: $(+force) 430 $(make-target-directory) 431 { \ 432 echo '/* This file is automatically generated.';\ 433 echo " This file selects the right generated file of \`__stub_FUNCTION' macros";\ 434 echo ' based on the architecture being compiled for. */'; \ 435 echo ''; \ 436 $(foreach h,$(abi-includes), echo '#include <$(h)>';) \ 437 echo ''; \ 438 $(foreach v,$(abi-variants),\ 439 $(if $(abi-$(v)-condition),\ 440 echo '#if $(abi-$(v)-condition)'; \ 441 echo '# include <gnu/stubs-$(v).h>'); \ 442 $(if $(abi-$(v)-condition),echo '#endif';) \ 443 rm -f $(@:.d=.h).new$(v); \ 444 ) \ 445 } > $(@:.d=.h).new 446 mv -f $(@:.d=.h).new $(@:.d=.h) 447 448install-others-nosubdir: $(installed-stubs) 449endif 450 451 452# Since stubs.h is never needed when building the library, we simplify the 453# hairy installation process by producing it in place only as the last part 454# of the top-level `make install'. It depends on subdir_install, which 455# iterates over all the subdirs; subdir_install in each subdir depends on 456# the subdir's stubs file. Having more direct dependencies would result in 457# extra iterations over the list for subdirs and many recursive makes. 458$(installed-stubs): include/stubs-prologue.h subdir_install 459 $(make-target-directory) 460 @rm -f $(objpfx)stubs.h 461 (sed '/^@/d' $<; LC_ALL=C sort $(subdir-stubs)) > $(objpfx)stubs.h 462 if test -r $@ && cmp -s $(objpfx)stubs.h $@; \ 463 then echo 'stubs.h unchanged'; \ 464 else $(INSTALL_DATA) $(objpfx)stubs.h $@; fi 465 rm -f $(objpfx)stubs.h 466 467# This makes the Info or DVI file of the documentation from the Texinfo source. 468.PHONY: info dvi pdf html 469info dvi pdf html: 470 $(MAKE) $(PARALLELMFLAGS) -C manual $@ 471 472# This makes all the subdirectory targets. 473 474# For each target, make it depend on DIR/target for each subdirectory DIR. 475$(+subdir_targets): %: $(addsuffix /%,$(subdirs)) 476 477# Compute a list of all those targets. 478all-subdirs-targets := $(foreach dir,$(subdirs),\ 479 $(addprefix $(dir)/,$(+subdir_targets))) 480 481# The action for each of those is to cd into the directory and make the 482# target there. 483$(all-subdirs-targets): 484 $(MAKE) $(PARALLELMFLAGS) $(subdir-target-args) $(@F) 485 486define subdir-target-args 487subdir=$(@D)$(if $($(@D)-srcdir),\ 488-C $($(@D)-srcdir) ..=`pwd`/,\ 489-C $(@D) ..=../) 490endef 491 492.PHONY: $(+subdir_targets) $(all-subdirs-targets) 493 494# Targets to clean things up to various degrees. 495 496.PHONY: clean realclean distclean distclean-1 parent-clean parent-mostlyclean \ 497 tests-clean 498 499# Subroutines of all cleaning targets. 500parent-mostlyclean: common-mostlyclean # common-mostlyclean is in Makerules. 501 -rm -f $(foreach o,$(object-suffixes-for-libc),\ 502 $(common-objpfx)$(patsubst %,$(libtype$o),c)) \ 503 $(addprefix $(objpfx),$(install-lib)) 504parent-clean: parent-mostlyclean common-clean 505 506postclean = $(addprefix $(common-objpfx),$(postclean-generated)) \ 507 $(addprefix $(objpfx),sysd-dirs sysd-rules) \ 508 $(addprefix $(objpfx),sysd-sorted soversions.mk soversions.i) 509 510clean: parent-clean 511# This is done this way rather than having `subdir_clean' be a 512# dependency of this target so that libc.a will be removed before the 513# subdirectories are dealt with and so they won't try to remove object 514# files from it when it's going to be removed anyway. 515 @$(MAKE) subdir_clean no_deps=t 516 -rm -f $(postclean) 517mostlyclean: parent-mostlyclean 518 @$(MAKE) subdir_mostlyclean no_deps=t 519 -rm -f $(postclean) 520 521tests-clean: 522 @$(MAKE) subdir_testclean no_deps=t 523 524ifneq (,$(CXX)) 525vpath c++-types.data $(+sysdep_dirs) 526 527tests-special += $(objpfx)c++-types-check.out 528$(objpfx)c++-types-check.out: c++-types.data scripts/check-c++-types.sh 529 scripts/check-c++-types.sh $< $(CXX) $(filter-out -std=gnu11 $(+gccwarn-c),$(CFLAGS)) $(CPPFLAGS) > $@; \ 530 $(evaluate-test) 531endif 532 533tests-special += $(objpfx)check-local-headers.out 534$(objpfx)check-local-headers.out: scripts/check-local-headers.sh 535 AWK='$(AWK)' scripts/check-local-headers.sh \ 536 "$(includedir)" "$(objpfx)" < /dev/null > $@; \ 537 $(evaluate-test) 538 539ifneq "$(headers)" "" 540# Special test of all the installed headers in this directory. 541tests-special += $(objpfx)check-installed-headers-c.out 542libof-check-installed-headers-c := testsuite 543$(objpfx)check-installed-headers-c.out: \ 544 scripts/check-installed-headers.sh $(headers) 545 $(SHELL) $(..)scripts/check-installed-headers.sh c \ 546 "$(CC) $(filter-out -std=%,$(CFLAGS)) -D_ISOMAC $(+includes)" \ 547 $(headers) > $@; \ 548 $(evaluate-test) 549 550ifneq "$(CXX)" "" 551tests-special += $(objpfx)check-installed-headers-cxx.out 552libof-check-installed-headers-cxx := testsuite 553$(objpfx)check-installed-headers-cxx.out: \ 554 scripts/check-installed-headers.sh $(headers) 555 $(SHELL) $(..)scripts/check-installed-headers.sh c++ \ 556 "$(CXX) $(filter-out -std=%,$(CXXFLAGS)) -D_ISOMAC $(+includes)" \ 557 $(headers) > $@; \ 558 $(evaluate-test) 559endif # $(CXX) 560 561tests-special += $(objpfx)check-wrapper-headers.out 562$(objpfx)check-wrapper-headers.out: scripts/check-wrapper-headers.py $(headers) 563 $(PYTHON) $< --root=. --subdir=. $(headers) \ 564 --generated $(common-generated) > $@; $(evaluate-test) 565endif # $(headers) 566 567define summarize-tests 568@grep -E -v '^(PASS|XFAIL):' $(objpfx)$1 || true 569@echo "Summary of test results$2:" 570@sed 's/:.*//' < $(objpfx)$1 | sort | uniq -c 571@! grep -E -q -v '^(X?PASS|XFAIL|UNSUPPORTED):' $(objpfx)$1 572endef 573 574# The intention here is to do ONE install of our build into the 575# testroot.pristine/ directory, then rsync (internal to 576# support/test-container) that to testroot.root/ at the start of each 577# test. That way we can promise each test a "clean" install, without 578# having to do the install for each test. 579# 580# In addition, we have to copy some files (which we build) into this 581# root in addition to what glibc installs. For example, many tests 582# require additional programs including /bin/sh, /bin/true, and 583# /bin/echo, all of which we build below to limit library dependencies 584# to just those things in glibc and language support libraries which 585# we also copy into the into the rootfs. To determine what language 586# support libraries we need we build a "test" program in either C or 587# (if available) C++ just so we can copy in any shared objects 588# (which we do not build) that GCC-compiled programs depend on. 589 590 591ifeq (,$(CXX)) 592LINKS_DSO_PROGRAM = links-dso-program-c 593else 594LINKS_DSO_PROGRAM = links-dso-program 595endif 596 597$(tests-container) $(addsuffix /tests,$(subdirs)) : \ 598 $(objpfx)testroot.pristine/install.stamp 599$(objpfx)testroot.pristine/install.stamp : 600 test -d $(objpfx)testroot.pristine || \ 601 mkdir $(objpfx)testroot.pristine 602 # We need a working /bin/sh for some of the tests. 603 test -d $(objpfx)testroot.pristine/bin || \ 604 mkdir $(objpfx)testroot.pristine/bin 605 # We need the compiled locale dir for localedef tests. 606 test -d $(objpfx)testroot.pristine/$(complocaledir) || \ 607 mkdir -p $(objpfx)testroot.pristine/$(complocaledir) 608 cp $(objpfx)support/shell-container $(objpfx)testroot.pristine/bin/sh 609 cp $(objpfx)support/echo-container $(objpfx)testroot.pristine/bin/echo 610 cp $(objpfx)support/true-container $(objpfx)testroot.pristine/bin/true 611ifeq ($(run-built-tests),yes) 612 # Copy these DSOs first so we can overwrite them with our own. 613 for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \ 614 $(rtld-prefix) \ 615 $(objpfx)testroot.pristine/bin/sh \ 616 | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\ 617 do \ 618 test -d `dirname $(objpfx)testroot.pristine$$dso` || \ 619 mkdir -p `dirname $(objpfx)testroot.pristine$$dso` ;\ 620 $(test-wrapper) cp $$dso $(objpfx)testroot.pristine$$dso ;\ 621 done 622 for dso in `$(test-wrapper-env) LD_TRACE_LOADED_OBJECTS=1 \ 623 $(rtld-prefix) \ 624 $(objpfx)support/$(LINKS_DSO_PROGRAM) \ 625 | sed -n '/\//{s@.*=> /@/@;s/^[^/]*//;s/ .*//p;}'` ;\ 626 do \ 627 test -d `dirname $(objpfx)testroot.pristine$$dso` || \ 628 mkdir -p `dirname $(objpfx)testroot.pristine$$dso` ;\ 629 $(test-wrapper) cp $$dso $(objpfx)testroot.pristine$$dso ;\ 630 done 631endif 632 # $(symbolic-link-list) is a file that encodes $(DESTDIR) so we 633 # have to purge it 634 rm -f $(symbolic-link-list) 635 # Setting INSTALL_UNCOMPRESSED causes localedata/Makefile to 636 # install the charmaps uncompressed, as the testroot does not 637 # provide a gunzip program. 638 $(MAKE) install DESTDIR=$(objpfx)testroot.pristine \ 639 INSTALL_UNCOMPRESSED=yes subdirs='$(sorted-subdirs)' 640 rm -f $(symbolic-link-list) 641 touch $(objpfx)testroot.pristine/install.stamp 642 643tests-special-notdir = $(patsubst $(objpfx)%, %, $(tests-special)) 644tests: $(tests-special) 645 $(..)scripts/merge-test-results.sh -s $(objpfx) "" \ 646 $(sort $(tests-special-notdir:.out=)) \ 647 > $(objpfx)subdir-tests.sum 648 $(..)scripts/merge-test-results.sh -t $(objpfx) subdir-tests.sum \ 649 $(sort $(subdirs) .) \ 650 > $(objpfx)tests.sum 651 $(call summarize-tests,tests.sum) 652xtests: 653 $(..)scripts/merge-test-results.sh -t $(objpfx) subdir-xtests.sum \ 654 $(sort $(subdirs)) \ 655 > $(objpfx)xtests.sum 656 $(call summarize-tests,xtests.sum, for extra tests) 657 658# The realclean target is just like distclean for the parent, but we want 659# the subdirs to know the difference in case they care. 660realclean distclean: parent-clean 661# This is done this way rather than having `subdir_distclean' be a 662# dependency of this target so that libc.a will be removed before the 663# subdirectories are dealt with and so they won't try to remove object 664# files from it when it's going to be removed anyway. 665 @$(MAKE) distclean-1 no_deps=t distclean-1=$@ avoid-generated=yes \ 666 sysdep-subdirs="$(sysdep-subdirs)" 667 -rm -f $(postclean) 668 669# Subroutine of distclean and realclean. 670distclean-1: subdir_$(distclean-1) 671 -rm -f $(config-generated) 672 -rm -f $(addprefix $(objpfx),config.status config.cache config.log) 673 -rm -f $(addprefix $(objpfx),config.make config-name.h config.h) 674ifdef objdir 675 -rm -f $(objpfx)Makefile 676endif 677 -rm -f $(sysdep-$(distclean-1)) 678 679# Make the TAGS file for Emacs users. 680 681.PHONY: TAGS 682TAGS: 683 scripts/list-sources.sh | sed -n -e '/Makefile/p' \ 684 $(foreach S,[chsSyl] cxx sh bash pl,\ 685 $(subst .,\.,-e '/.$S\(.in\)*$$/p')) \ 686 | $(ETAGS) -o $@ - 687 688# Make the distribution tarfile. 689.PHONY: dist dist-prepare 690 691generated := $(generated) stubs.h 692 693files-for-dist := README INSTALL configure NEWS 694 695# Regenerate stuff, then error if these things are not committed yet. 696dist-prepare: $(files-for-dist) 697 conf=`find sysdeps -name configure`; \ 698 $(MAKE) $$conf && \ 699 git diff --stat HEAD -- $^ $$conf \ 700 | $(AWK) '{ print; rc=1 } END { exit rc }' 701 702%.tar: FORCE 703 git archive --prefix=$*/ $* > $@.new 704 mv -f $@.new $@ 705 706# Do `make dist dist-version=X.Y.Z' to make tar files of an older version. 707 708ifneq (,$(strip $(dist-version))) 709dist: $(foreach Z,.bz2 .gz .xz,$(dist-version).tar$Z) 710 md5sum $^ 711else 712dist: dist-prepare 713 @if v=`git describe`; then \ 714 echo Distribution version $$v; \ 715 $(MAKE) dist dist-version=$$v; \ 716 else \ 717 false; \ 718 fi 719endif 720 721INSTALL: manual/install-plain.texi manual/macros.texi \ 722 $(common-objpfx)manual/pkgvers.texi manual/install.texi 723 makeinfo --no-validate --plaintext --no-number-sections \ 724 -I$(common-objpfx)manual $< -o $@-tmp 725 $(AWK) 'NF == 0 { ++n; next } \ 726 NF != 0 { while (n-- > 0) print ""; n = 0; print }' \ 727 < $@-tmp > $@-tmp2 728 rm -f $@-tmp 729 -chmod a-w $@-tmp2 730 mv -f $@-tmp2 $@ 731$(common-objpfx)manual/%: FORCE 732 $(MAKE) $(PARALLELMFLAGS) -C manual $@ 733FORCE: 734 735iconvdata/% localedata/% po/%: FORCE 736 $(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F) 737 738# Convenience target to rerun one test, from the top of the build tree 739# Example: make test t=wcsmbs/test-wcsnlen 740.PHONY: test 741test : 742 @-rm -f $(objpfx)$t.out 743 $(MAKE) subdir=$(patsubst %/,%,$(dir $t)) -C $(dir $t) ..=../ $(objpfx)$t.out 744 @cat $(objpfx)$t.test-result 745 @cat $(objpfx)$t.out 746