mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 15:20:10 +00:00
e9fed2438a
Previously, glibc would pick an arbitrary tmpfs file system from /proc/mounts if /dev/shm was not available. This could lead to an unsuitable file system being picked for the backing storage for shm_open, sem_open, and related functions. This patch introduces a new function, __shm_get_name, which builds the file name under the appropriate (now hard-coded) directory. It is called from the various shm_* and sem_* function. Unlike the SHM_GET_NAME macro it replaces, the callers handle the return values and errno updates. shm-directory.c is moved directly into the posix subdirectory because it can be implemented directly using POSIX functionality. It resides in libc because it is needed by both librt and nptl/htl. In the sem_open implementation, tmpfname is initialized directly from a string constant. This happens to remove one alloca call. Checked on x86_64-linux-gnu.
405 lines
16 KiB
Makefile
405 lines
16 KiB
Makefile
# Copyright (C) 1991-2021 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 Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the 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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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <https://www.gnu.org/licenses/>.
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#
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# Sub-makefile for POSIX portion of the library.
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#
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subdir := posix
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include ../Makeconfig
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headers := sys/utsname.h sys/times.h sys/wait.h sys/types.h unistd.h \
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glob.h regex.h wordexp.h fnmatch.h \
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getopt.h bits/getopt_core.h bits/getopt_ext.h bits/getopt_posix.h \
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bits/types.h bits/typesizes.h bits/pthreadtypes.h \
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bits/pthreadtypes-arch.h bits/thread-shared-types.h \
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bits/posix1_lim.h bits/posix2_lim.h bits/posix_opt.h \
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bits/local_lim.h tar.h bits/utsname.h bits/confname.h \
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bits/waitflags.h bits/waitstatus.h sys/unistd.h sched.h \
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bits/sched.h bits/cpu-set.h re_comp.h wait.h bits/environments.h \
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cpio.h spawn.h bits/unistd.h bits/types/struct_sched_param.h \
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bits/unistd_ext.h
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routines := \
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uname \
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times \
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wait waitpid wait3 wait4 waitid \
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alarm sleep pause nanosleep \
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fork vfork _exit \
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execve fexecve execv execle execl execvp execlp execvpe \
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getpid getppid \
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getuid geteuid getgid getegid getgroups setuid setgid group_member \
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getpgid setpgid getpgrp bsd-getpgrp setpgrp getsid setsid \
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getresuid getresgid setresuid setresgid \
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pathconf sysconf fpathconf \
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glob glob64 globfree globfree64 glob_pattern_p fnmatch regex \
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glob-lstat-compat glob64-lstat-compat \
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confstr \
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getopt getopt1 \
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sched_setp sched_getp sched_sets sched_gets sched_yield sched_primax \
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sched_primin sched_rr_gi sched_getaffinity sched_setaffinity \
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getaddrinfo gai_strerror wordexp \
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pread pwrite pread64 pwrite64 \
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spawn_faction_init spawn_faction_destroy spawn_faction_addclose \
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spawn_faction_addopen spawn_faction_adddup2 spawn_valid_fd \
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spawn_faction_addchdir spawn_faction_addfchdir \
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spawnattr_init spawnattr_destroy \
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spawnattr_getdefault spawnattr_setdefault \
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spawnattr_getflags spawnattr_setflags \
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spawnattr_getpgroup spawnattr_setpgroup spawn spawnp spawni \
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spawnattr_getsigmask spawnattr_getschedpolicy spawnattr_getschedparam \
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spawnattr_setsigmask spawnattr_setschedpolicy spawnattr_setschedparam \
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posix_madvise \
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get_child_max sched_cpucount sched_cpualloc sched_cpufree \
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streams-compat \
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shm-directory
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aux := init-posix environ
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tests := test-errno tstgetopt testfnm runtests runptests \
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tst-preadwrite tst-preadwrite64 test-vfork regexbug1 \
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tst-mmap tst-mmap-offset tst-getaddrinfo tst-truncate \
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tst-truncate64 tst-fork tst-fnmatch tst-regexloc tst-dir \
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tst-chmod bug-regex1 bug-regex2 bug-regex3 bug-regex4 \
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tst-gnuglob tst-gnuglob64 tst-regex bug-regex6 bug-regex7 \
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bug-regex8 bug-regex9 bug-regex10 bug-regex11 bug-regex12 \
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bug-regex13 bug-regex14 bug-regex15 bug-regex16 \
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bug-regex17 bug-regex18 bug-regex19 \
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bug-regex21 bug-regex22 bug-regex23 bug-regex24 \
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bug-regex25 bug-regex26 bug-regex27 bug-regex28 \
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bug-regex29 bug-regex30 bug-regex31 bug-regex32 \
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tst-nice tst-nanosleep tst-regex2 \
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transbug tst-rxspencer tst-pcre tst-boost \
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bug-ga1 tst-vfork1 tst-vfork2 tst-vfork3 \
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tst-waitid tst-wait4 \
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tst-getaddrinfo2 bug-glob2 bug-glob3 tst-sysconf \
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tst-execvp1 tst-execvp2 tst-execlp1 tst-execlp2 \
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tst-execv1 tst-execv2 tst-execl1 tst-execl2 \
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tst-execve1 tst-execve2 tst-execle1 tst-execle2 \
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tst-execvp3 tst-execvp4 \
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tst-execvpe1 tst-execvpe2 tst-execvpe3 tst-execvpe4 \
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tst-execvpe5 tst-execvpe6 \
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tst-getaddrinfo3 tst-fnmatch2 tst-cpucount tst-cpuset \
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bug-getopt1 bug-getopt2 bug-getopt3 bug-getopt4 \
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bug-getopt5 tst-getopt_long1 bug-regex34 bug-regex35 \
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tst-pathconf tst-rxspencer-no-utf8 \
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tst-fnmatch3 bug-regex36 \
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tst-fnmatch4 tst-fnmatch5 tst-fnmatch6 \
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tst-posix_spawn-fd tst-posix_spawn-setsid \
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tst-posix_fadvise tst-posix_fadvise64 \
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tst-sysconf-empty-chroot tst-glob_symlinks tst-fexecve \
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tst-glob-tilde test-ssize-max tst-spawn4 bug-regex37 \
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bug-regex38 tst-regcomp-truncated tst-spawn-chdir \
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tst-wordexp-nocmd
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tests-internal := bug-regex5 bug-regex20 bug-regex33 \
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tst-rfc3484 tst-rfc3484-2 tst-rfc3484-3 \
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tst-glob_lstat_compat tst-spawn4-compat
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tests-container := bug-ga2
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xtests := tst-getaddrinfo4 tst-getaddrinfo5
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ifeq (yes,$(build-shared))
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test-srcs := globtest
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tests += wordexp-test tst-exec tst-spawn tst-spawn2 tst-spawn3
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endif
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ifeq (yesyes,$(build-shared)$(have-thread-library))
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tests += tst-getopt-cancel
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endif
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tests-static = tst-exec-static tst-spawn-static
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tests += $(tests-static)
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others := getconf
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install-bin := getconf
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install-others-programs := $(inst_libexecdir)/getconf
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before-compile += $(objpfx)posix-conf-vars-def.h
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# So they get cleaned up.
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generated += $(addprefix wordexp-test-result, 1 2 3 4 5 6 7 8 9 10) \
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annexc annexc.out wordexp-tst.out bug-regex2-mem.out \
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bug-regex2.mtrace bug-regex14-mem.out bug-regex14.mtrace \
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bug-regex21-mem.out bug-regex21.mtrace \
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bug-regex31-mem.out bug-regex31.mtrace \
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tst-rxspencer-no-utf8-mem.out tst-rxspencer-no-utf8.mtrace \
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tst-getconf.out \
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tst-pcre-mem.out tst-pcre.mtrace tst-boost-mem.out \
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tst-boost.mtrace bug-ga2.mtrace bug-ga2-mem.out \
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bug-glob2.mtrace bug-glob2-mem.out tst-vfork3-mem.out \
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tst-vfork3.mtrace getconf.speclist tst-fnmatch-mem.out \
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tst-fnmatch.mtrace bug-regex36.mtrace \
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testcases.h ptestcases.h
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ifeq ($(run-built-tests),yes)
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ifeq (yes,$(build-shared))
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tests-special += $(objpfx)globtest.out $(objpfx)wordexp-tst.out
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endif
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endif
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# Run a test on the header files we use.
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# XXX Please note that for now we ignore the result of this test.
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tests-special += $(objpfx)annexc.out
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ifeq ($(run-built-tests),yes)
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tests-special += $(objpfx)bug-regex2-mem.out $(objpfx)bug-regex14-mem.out \
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$(objpfx)bug-regex21-mem.out $(objpfx)bug-regex31-mem.out \
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$(objpfx)tst-rxspencer-no-utf8-mem.out $(objpfx)tst-pcre-mem.out \
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$(objpfx)tst-boost-mem.out $(objpfx)tst-getconf.out \
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$(objpfx)bug-glob2-mem.out $(objpfx)tst-vfork3-mem.out \
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$(objpfx)tst-fnmatch-mem.out $(objpfx)bug-regex36-mem.out \
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$(objpfx)tst-glob-tilde-mem.out $(objpfx)bug-ga2-mem.out
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endif
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include ../Rules
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ifeq ($(run-built-tests),yes)
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# globtest and wordexp-test currently only works with shared libraries
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ifeq (yes,$(build-shared))
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$(objpfx)globtest.out: globtest.sh $(objpfx)globtest
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$(SHELL) $< $(common-objpfx) '$(test-via-rtld-prefix)' \
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'$(test-program-prefix)' '$(test-wrapper-env)'; \
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$(evaluate-test)
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$(objpfx)wordexp-tst.out: wordexp-tst.sh $(objpfx)wordexp-test
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$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
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'$(run-program-env)' '$(test-program-prefix-after-env)'; \
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$(evaluate-test)
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endif
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LOCALES := cs_CZ.UTF-8 da_DK.ISO-8859-1 de_DE.ISO-8859-1 de_DE.UTF-8 \
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en_US.UTF-8 es_US.ISO-8859-1 es_US.UTF-8 ja_JP.EUC-JP tr_TR.UTF-8 \
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cs_CZ.ISO-8859-2
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include ../gen-locales.mk
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$(objpfx)bug-regex1.out: $(gen-locales)
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$(objpfx)bug-regex4.out: $(gen-locales)
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$(objpfx)bug-regex5.out: $(gen-locales)
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$(objpfx)bug-regex6.out: $(gen-locales)
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$(objpfx)bug-regex17.out: $(gen-locales)
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$(objpfx)bug-regex18.out: $(gen-locales)
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$(objpfx)bug-regex19.out: $(gen-locales)
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$(objpfx)bug-regex20.out: $(gen-locales)
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$(objpfx)bug-regex22.out: $(gen-locales)
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$(objpfx)bug-regex23.out: $(gen-locales)
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$(objpfx)bug-regex25.out: $(gen-locales)
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$(objpfx)bug-regex26.out: $(gen-locales)
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$(objpfx)bug-regex30.out: $(gen-locales)
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$(objpfx)bug-regex32.out: $(gen-locales)
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$(objpfx)bug-regex33.out: $(gen-locales)
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$(objpfx)bug-regex34.out: $(gen-locales)
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$(objpfx)bug-regex35.out: $(gen-locales)
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$(objpfx)tst-fnmatch.out: $(gen-locales)
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$(objpfx)tst-fnmatch4.out: $(gen-locales)
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$(objpfx)tst-fnmatch5.out: $(gen-locales)
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$(objpfx)tst-fnmatch6.out: $(gen-locales)
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$(objpfx)tst-regex.out: $(gen-locales)
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$(objpfx)tst-regex2.out: $(gen-locales)
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$(objpfx)tst-regexloc.out: $(gen-locales)
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$(objpfx)tst-rxspencer.out: $(gen-locales)
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$(objpfx)tst-rxspencer-no-utf8.out: $(gen-locales)
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$(objpfx)tst-regcomp-truncated.out: $(gen-locales)
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endif
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# If we will use the generic uname implementation, we must figure out what
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# it will say by examining the system, and write the results in config-name.h.
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uname.c: $(objpfx)config-name.h
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$(objpfx)config-name.h: $(..)scripts/config-uname.sh $(common-objpfx)config.make
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$(make-target-directory)
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$< '$(config-os)' '$(config-release)' \
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'$(config-machine)-$(config-vendor)' > $@.new
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mv -f $@.new $@
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CFLAGS-getaddrinfo.c += -DRESOLVER -fexceptions
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CFLAGS-pause.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pread64.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pwrite.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-pwrite64.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-sleep.c += -fexceptions
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CFLAGS-wait.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-waitid.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-waitpid.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-wait4.c += -fexceptions -fasynchronous-unwind-tables
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CFLAGS-getopt.c += -fexceptions
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CFLAGS-wordexp.c += -fexceptions
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CFLAGS-wordexp.os = -fomit-frame-pointer
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CFLAGS-sysconf.c += -fexceptions -DGETCONF_DIR='"$(libexecdir)/getconf"'
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CFLAGS-pathconf.c += -fexceptions
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CFLAGS-fpathconf.c += -fexceptions
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CFLAGS-spawn.c += -fexceptions
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CFLAGS-spawn.os = -fomit-frame-pointer
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CFLAGS-spawnp.c += -fexceptions
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CFLAGS-spawnp.os = -fomit-frame-pointer
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CFLAGS-spawni.c += -fexceptions
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CFLAGS-spawni.os = -fomit-frame-pointer
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CFLAGS-glob.c += $(uses-callbacks) -fexceptions
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CFLAGS-glob64.c += $(uses-callbacks) -fexceptions
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CFLAGS-getconf.c += -DGETCONF_DIR='"$(libexecdir)/getconf"'
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CFLAGS-execve.os = -fomit-frame-pointer
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CFLAGS-fexecve.os = -fomit-frame-pointer
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CFLAGS-execv.os = -fomit-frame-pointer
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CFLAGS-execle.os = -fomit-frame-pointer
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CFLAGS-execl.os = -fomit-frame-pointer
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CFLAGS-execvp.os = -fomit-frame-pointer
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CFLAGS-execlp.os = -fomit-frame-pointer
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CFLAGS-nanosleep.c += -fexceptions -fasynchronous-unwind-tables
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tstgetopt-ARGS = -a -b -cfoobar --required foobar --optional=bazbug \
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--none random --col --color --colour
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tst-exec-ARGS = -- $(host-test-program-cmd)
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tst-exec-static-ARGS = $(tst-exec-ARGS)
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tst-execvpe5-ARGS = -- $(host-test-program-cmd)
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tst-spawn-ARGS = -- $(host-test-program-cmd)
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tst-spawn-static-ARGS = $(tst-spawn-ARGS)
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tst-dir-ARGS = `pwd` `cd $(common-objdir)/$(subdir); pwd` `cd $(common-objdir); pwd` $(objpfx)tst-dir
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tst-chmod-ARGS = $(objdir)
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tst-vfork3-ARGS = --test-dir=$(objpfx)
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tst-rxspencer-ARGS = --utf8 rxspencer/tests
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tst-rxspencer-no-utf8-ARGS = rxspencer/tests
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tst-pcre-ARGS = PCRE.tests
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tst-boost-ARGS = BOOST.tests
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bug-glob1-ARGS = "$(objpfx)"
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tst-execvp3-ARGS = --test-dir=$(objpfx)
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CFLAGS-tst-spawn3.c += -DOBJPFX=\"$(objpfx)\"
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$(objpfx)testcases.h: TESTS TESTS2C.sed
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LC_ALL=C sed -f TESTS2C.sed < $< > $@T
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mv $@T $@
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$(objpfx)runtests.o: $(objpfx)testcases.h
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$(objpfx)ptestcases.h: PTESTS PTESTS2C.sed
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LC_ALL=C sed -f PTESTS2C.sed < $< > $@T
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mv $@T $@
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$(objpfx)runptests.o: $(objpfx)ptestcases.h
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$(objpfx)tst-getopt-cancel: $(shared-thread-library)
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test-xfail-annexc = yes
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$(objpfx)annexc.out: $(objpfx)annexc
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$(dir $<)$(notdir $<) '$(CC)' \
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'$(patsubst %,-I../%,$(sorted-subdirs)) -I../include $(+sysdep-includes) $(sysincludes) -I..' > $@; \
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$(evaluate-test)
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annexc-CFLAGS = -O
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$(objpfx)annexc: annexc.c
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$(native-compile)
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tst-fnmatch-ENV += MALLOC_TRACE=$(objpfx)tst-fnmatch.mtrace
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$(objpfx)tst-fnmatch-mem.out: $(objpfx)tst-fnmatch.out
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$(common-objpfx)malloc/mtrace $(objpfx)tst-fnmatch.mtrace > $@; \
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$(evaluate-test)
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bug-regex2-ENV = MALLOC_TRACE=$(objpfx)bug-regex2.mtrace
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$(objpfx)bug-regex2-mem.out: $(objpfx)bug-regex2.out
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$(common-objpfx)malloc/mtrace $(objpfx)bug-regex2.mtrace > $@; \
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$(evaluate-test)
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bug-regex14-ENV = MALLOC_TRACE=$(objpfx)bug-regex14.mtrace
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$(objpfx)bug-regex14-mem.out: $(objpfx)bug-regex14.out
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$(common-objpfx)malloc/mtrace $(objpfx)bug-regex14.mtrace > $@; \
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$(evaluate-test)
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bug-regex21-ENV = MALLOC_TRACE=$(objpfx)bug-regex21.mtrace
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$(objpfx)bug-regex21-mem.out: $(objpfx)bug-regex21.out
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$(common-objpfx)malloc/mtrace $(objpfx)bug-regex21.mtrace > $@; \
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$(evaluate-test)
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bug-regex31-ENV = MALLOC_TRACE=$(objpfx)bug-regex31.mtrace
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$(objpfx)bug-regex31-mem.out: $(objpfx)bug-regex31.out
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$(common-objpfx)malloc/mtrace $(objpfx)bug-regex31.mtrace > $@; \
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$(evaluate-test)
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bug-regex36-ENV = MALLOC_TRACE=$(objpfx)bug-regex36.mtrace
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$(objpfx)bug-regex36-mem.out: $(objpfx)bug-regex36.out
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$(common-objpfx)malloc/mtrace $(objpfx)bug-regex36.mtrace > $@; \
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$(evaluate-test)
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tst-vfork3-ENV = MALLOC_TRACE=$(objpfx)tst-vfork3.mtrace
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$(objpfx)tst-vfork3-mem.out: $(objpfx)tst-vfork3.out
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$(common-objpfx)malloc/mtrace $(objpfx)tst-vfork3.mtrace > $@; \
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$(evaluate-test)
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# tst-rxspencer.mtrace is not generated, only
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# tst-rxspencer-no-utf8.mtrace, since otherwise the file has almost
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# 100M and takes very long time to process.
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tst-rxspencer-no-utf8-ENV += MALLOC_TRACE=$(objpfx)tst-rxspencer-no-utf8.mtrace
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$(objpfx)tst-rxspencer-no-utf8-mem.out: $(objpfx)tst-rxspencer-no-utf8.out
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$(common-objpfx)malloc/mtrace $(objpfx)tst-rxspencer-no-utf8.mtrace \
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> $@; \
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$(evaluate-test)
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tst-pcre-ENV = MALLOC_TRACE=$(objpfx)tst-pcre.mtrace
|
|
$(objpfx)tst-pcre-mem.out: $(objpfx)tst-pcre.out
|
|
$(common-objpfx)malloc/mtrace $(objpfx)tst-pcre.mtrace > $@; \
|
|
$(evaluate-test)
|
|
|
|
tst-boost-ENV = MALLOC_TRACE=$(objpfx)tst-boost.mtrace
|
|
$(objpfx)tst-boost-mem.out: $(objpfx)tst-boost.out
|
|
$(common-objpfx)malloc/mtrace $(objpfx)tst-boost.mtrace > $@; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)tst-getconf.out: tst-getconf.sh $(objpfx)getconf
|
|
$(SHELL) $< $(common-objpfx) '$(built-program-cmd)'; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)bug-ga2-mem.out: $(objpfx)bug-ga2.out
|
|
{ test -r $(objpfx)bug-ga2.mtrace \
|
|
|| ( echo "bug-ga2.mtrace does not exist"; exit 77; ) \
|
|
&& $(common-objpfx)malloc/mtrace $(objpfx)bug-ga2.mtrace; } > $@; \
|
|
$(evaluate-test)
|
|
|
|
bug-ga2-ENV = MALLOC_TRACE=$(objpfx)bug-ga2.mtrace
|
|
|
|
bug-glob2-ENV = MALLOC_TRACE=$(objpfx)bug-glob2.mtrace
|
|
|
|
$(objpfx)bug-glob2-mem.out: $(objpfx)bug-glob2.out
|
|
$(common-objpfx)malloc/mtrace $(objpfx)bug-glob2.mtrace > $@; \
|
|
$(evaluate-test)
|
|
|
|
tst-glob-tilde-ENV = MALLOC_TRACE=$(objpfx)tst-glob-tilde.mtrace
|
|
|
|
$(objpfx)tst-glob-tilde-mem.out: $(objpfx)tst-glob-tilde.out
|
|
$(common-objpfx)malloc/mtrace $(objpfx)tst-glob-tilde.mtrace > $@; \
|
|
$(evaluate-test)
|
|
|
|
$(inst_libexecdir)/getconf: $(inst_bindir)/getconf \
|
|
$(objpfx)getconf.speclist FORCE
|
|
$(addprefix $(..)./scripts/mkinstalldirs ,\
|
|
$(filter-out $(wildcard $@),$@))
|
|
while read spec; do \
|
|
ln -f $< $@/$$spec.new || $(INSTALL_PROGRAM) $< $@/$$spec.new; \
|
|
mv -f $@/$$spec.new $@/$$spec; \
|
|
done < $(objpfx)getconf.speclist
|
|
|
|
$(objpfx)getconf.speclist: getconf-speclist.c posix-envs.def
|
|
$(compile.c) -E -o - \
|
|
| sed -n -e '/@@@PRESENT_/s/@@@PRESENT_//p' > $@.new
|
|
mv -f $@.new $@
|
|
|
|
# This file is only actually needed at install time. But forcing it to
|
|
# be built both makes it available for eyeball inspection and avoids the
|
|
# surprise of things that look like compilation being done by 'make install'.
|
|
others: $(objpfx)getconf.speclist
|
|
|
|
$(objpfx)posix-conf-vars-def.h: $(..)scripts/gen-posix-conf-vars.awk \
|
|
posix-conf-vars.list Makefile
|
|
$(make-target-directory)
|
|
$(AWK) -f $(filter-out Makefile, $^) > $@.tmp
|
|
mv -f $@.tmp $@
|