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2023-03-27Remove --with-default-link configure optionAdhemerval Zanella Netto1-15/+6
Now that there is no need to use a special linker script to hardening internal data structures, remove the --with-default-link configure option and associated definitions. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2023-03-27libio: Remove the usage of __libc_IO_vtablesAdhemerval Zanella Netto1-24/+0
Instead of using a special ELF section along with a linker script directive to put the IO vtables within the RELRO section, the libio vtables are all moved to an array marked as data.relro (so linker will place in the RELRO segment without the need of extra directives). To avoid static linking namespace issues and including all vtable referenced objects, all required function pointers are set to weak alias. Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2023-03-27libio: Do not autogenerate stdio_lim.hAdhemerval Zanella Netto1-40/+0
Instead define the required fields in system dependend files. The only system dependent definition is FILENAME_MAX, which should match POSIX PATH_MAX, and it is obtained from either kernel UAPI or mach headers. Currently set pre-defined value from current kernels. It avoids a circular dependendy when including stdio.h in gen-as-const-headers files. Checked on x86_64-linux-gnu and i686-linux-gnu Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2023-03-27Move libc_freeres_ptrs and libc_subfreeres to hidden/weak functionsAdhemerval Zanella Netto1-7/+0
They are both used by __libc_freeres to free all library malloc allocated resources to help tooling like mtrace or valgrind with memory leak tracking. The current scheme uses assembly markers and linker script entries to consolidate the free routine function pointers in the RELRO segment and to be freed buffers in BSS. This patch changes it to use specific free functions for libc_freeres_ptrs buffers and call the function pointer array directly with call_function_static_weak. It allows the removal of both the internal macros and the linker script sections. Checked on x86_64-linux-gnu, i686-linux-gnu, and aarch64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2023-01-06Update copyright dates with scripts/update-copyrightsJoseph Myers1-1/+1
2022-12-12stdlib: Move _IO_cleanup to call_function_static_weakAdhemerval Zanella1-3/+0
Reviewed-by: Florian Weimer <fweimer@redhat.com>
2022-11-08Makerules: Generate shlib.lds with -fuse-ld=bfdFangrui Song1-1/+3
lld does not dump a linker script with --verbose (it does not use a linker script driven design and lots of linker processing is not serializable as a linker script anyway). With the default --with-default-link=no build, $@T is empty and makes `test -s $@T` fail. Just dump the linker script with -fuse-ld=bfd. lld since 15 (https://reviews.llvm.org/D124656) supports custom RELRO sections in the GNU ld dumped linker script. Reviewed-by: Sam James <sam@gentoo.org>
2022-09-13Makerules: fix MAKEFLAGS assignment for upcoming make-4.4 [BZ# 29564]Sergei Trofimovich1-2/+2
make-4.4 will add long flags to MAKEFLAGS variable: * WARNING: Backward-incompatibility! Previously only simple (one-letter) options were added to the MAKEFLAGS variable that was visible while parsing makefiles. Now, all options are available in MAKEFLAGS. This causes locale builds to fail when long options are used: $ make --shuffle ... make -C localedata install-locales make: invalid shuffle mode: '1662724426r' The change fixes it by passing eash option via whitespace and dashes. That way option is appended to both single-word form and whitespace separated form. While at it fixed --silent mode detection in $(MAKEFLAGS) by filtering out --long-options. Otherwise options like --shuffle flag enable silent mode unintentionally. $(silent-make) variable consolidates the checks. Resolves: BZ# 29564 CC: Paul Smith <psmith@gnu.org> CC: Siddhesh Poyarekar <siddhesh@gotplt.org> Signed-off-by: Sergei Trofimovich <slyich@gmail.com> Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
2022-08-25Revert "Detect ld.so and libc.so version inconsistency during startup"Florian Weimer1-14/+0
This reverts commit 6f85dbf102ad7982409ba0fe96886caeb6389fef. Once this change hits the release branches, it will require relinking of all statically linked applications before static dlopen works again, for the majority of updates on release branches: The NEWS file is regularly updated with bug references, so the __libc_early_init suffix changes, and static dlopen cannot find the function anymore. While this ABI check is still technically correct (we do require rebuilding & relinking after glibc updates to keep static dlopen working), it is too drastic for stable release branches. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2022-08-24Detect ld.so and libc.so version inconsistency during startupFlorian Weimer1-0/+14
The files NEWS, include/link.h, and sysdeps/generic/ldsodefs.h contribute to the version fingerprint used for detection. The fingerprint can be further refined using the --with-extra-version-id configure argument. _dl_call_libc_early_init is replaced with _dl_lookup_libc_early_init. The new function is used store a pointer to libc.so's __libc_early_init function in the libc_map_early_init member of the ld.so namespace structure. This function pointer can then be called directly, so the separate invocation function is no longer needed. The versioned symbol lookup needs the symbol versioning data structures, so the initialization of libc_map and libc_map_early_init is now done from _dl_check_map_versions, after this information becomes available. (_dl_map_object_from_fd does not set this up in time, so the initialization code had to be moved from there.) This means that the separate initialization code can be removed from dl_main because _dl_check_map_versions covers all maps, including the initial executable loaded by the kernel. The lookup still happens before relocation and the invocation of IFUNC resolvers, so IFUNC resolvers are protected from ABI mismatch. The __libc_early_init function pointer is not protected because so little code runs between the pointer write and the invocation (only dynamic linker code and IFUNC resolvers). Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2022-06-26Makerules: Remove no-op -Wl,-d when linking libc_pic.osFangrui Song1-6/+2
In GNU ld, -d assigns space to common symbols for -r (i.e. change common symbols to STB_GLOBAL definitions). This option was added in commit da2d1bc5adf49352232ad0514e79fbd5dcae08e8 (1998) perhaps because ld at that time had a bug that common symbols did not override shared object definitions. -d has been long unneeded and more so since -fno-common was added to +cflags.
2022-05-18Enable DT_RELR in glibc shared libraries and PIEs automaticallyH.J. Lu1-0/+2
Enable DT_RELR in glibc shared libraries and position independent executables (PIE) automatically if linker supports -z pack-relative-relocs. Reviewed-by: Florian Weimer <fweimer@redhat.com>
2022-04-29Do not use --hash-style=both for building glibc shared objectsFlorian Weimer1-7/+0
The comment indicates that --hash-style=both was used to maintain compatibility with static dlopen, but we had many internal ABI changes since then, so this compatiblity does not add value anymore. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2022-02-25build: Properly generate .d dependency files [BZ #28922]H.J. Lu1-0/+1
1. Also generate .d dependency files for $(tests-container) and $(tests-printers). 2. elf: Add tst-auditmod17.os to extra-test-objs. 3. iconv: Add tst-gconv-init-failure-mod.os to extra-test-objs. 4. malloc: Rename extra-tests-objs to extra-test-objs. 5. linux: Add tst-sysconf-iov_max-uapi.o to extra-test-objs. 6. x86_64: Add tst-x86_64mod-1.o, tst-platformmod-2.o, test-libmvec.o, test-libmvec-avx.o, test-libmvec-avx2.o and test-libmvec-avx512f.o to extra-test-objs. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2022-01-24Add and use link-test-modules-rpath-link [BZ #28455]H.J. Lu1-0/+1
DT_RUNPATH is only used to find the immediate dependencies of the executable or shared object containing the DT_RUNPATH entry: 1. Define link-test-modules-rpath-link if $(build-hardcoded-path-in-tests) is yes. 2. Use $(link-test-modules-rpath-link) in build-module-helper so that test modules can dlopen modules with DT_RUNPATH. 3. Add a test to show why link-test-modules-rpath-link is needed. This partially fixes BZ #28455.
2022-01-12debug: Autogenerate _FORTIFY_SOURCE testsSiddhesh Poyarekar1-0/+6
Rename debug/tst-chk1.c to debug/tst-fortify.c and add make hackery to autogenerate tests with different macros enabled to build and run the same test with different configurations as well as different fortification levels. The change also ends up expanding the -lfs tests to include _FORTIFY_SOURCE=3. Signed-off-by: Siddhesh Poyarekar <siddhesh@sourceware.org> Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2022-01-01Update copyright dates with scripts/update-copyrightsPaul Eggert1-1/+1
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 7061 files FOO. I then removed trailing white space from math/tgmath.h, support/tst-support-open-dev-null-range.c, and sysdeps/x86_64/multiarch/strlen-vec.S, to work around the following obscure pre-commit check failure diagnostics from Savannah. I don't know why I run into these diagnostics whereas others evidently do not. remote: *** 912-#endif remote: *** 913: remote: *** 914- remote: *** error: lines with trailing whitespace found ... remote: *** error: sysdeps/unix/sysv/linux/statx_cp.c: trailing lines
2021-12-15Use LFS and 64 bit time for installed programs (BZ #15333)Adhemerval Zanella1-2/+10
The installed programs are built with a combination of different values for MODULE_NAME, as below. To enable both Long File Support and 64 bt time, -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 is added for nonlibi, nscd, lddlibc4, libresolv, ldconfig, locale_programs, iconvprogs, libnss_files, libnss_compat, libnss_db, libnss_hesiod, libutil, libpcprofile, and libSegFault. nscd/nscd nscd/nscd.o MODULE_NAME=nscd nscd/connections.o MODULE_NAME=nscd nscd/pwdcache.o MODULE_NAME=nscd nscd/getpwnam_r.o MODULE_NAME=nscd nscd/getpwuid_r.o MODULE_NAME=nscd nscd/grpcache.o MODULE_NAME=nscd nscd/getgrnam_r.o MODULE_NAME=nscd nscd/getgrgid_r.o MODULE_NAME=nscd nscd/hstcache.o MODULE_NAME=nscd nscd/gethstbyad_r.o MODULE_NAME=nscd nscd/gethstbynm3_r.o MODULE_NAME=nscd nscd/getsrvbynm_r.o MODULE_NAME=nscd nscd/getsrvbypt_r.o MODULE_NAME=nscd nscd/servicescache.o MODULE_NAME=nscd nscd/dbg_log.o MODULE_NAME=nscd nscd/nscd_conf.o MODULE_NAME=nscd nscd/nscd_stat.o MODULE_NAME=nscd nscd/cache.o MODULE_NAME=nscd nscd/mem.o MODULE_NAME=nscd nscd/nscd_setup_thread.o MODULE_NAME=nscd nscd/xmalloc.o MODULE_NAME=nscd nscd/xstrdup.o MODULE_NAME=nscd nscd/aicache.o MODULE_NAME=nscd nscd/initgrcache.o MODULE_NAME=nscd nscd/gai.o MODULE_NAME=nscd nscd/res_hconf.o MODULE_NAME=nscd nscd/netgroupcache.o MODULE_NAME=nscd nscd/cachedumper.o MODULE_NAME=nscd elf/lddlibc4 elf/lddlibc4 MODULE_NAME=lddlibc4 elf/pldd elf/pldd.o MODULE_NAME=nonlib elf/xmalloc.o MODULE_NAME=nonlib elf/sln elf/sln.o MODULE_NAME=nonlib elf/static-stubs.o MODULE_NAME=nonlib elf/sprof MODULE_NAME=nonlib elf/ldconfig elf/ldconfig.o MODULE_NAME=ldconfig elf/cache.o MODULE_NAME=nonlib elf/readlib.o MODULE_NAME=nonlib elf/xmalloc.o MODULE_NAME=nonlib elf/xstrdup.o MODULE_NAME=nonlib elf/chroot_canon.o MODULE_NAME=nonlib elf/static-stubs.o MODULE_NAME=nonlib elf/stringtable.o MODULE_NAME=nonlib io/pwd io/pwd.o MODULE_NAME=nonlib locale/locale locale/locale.o MODULE_NAME=locale_programs locale/locale-spec.o MODULE_NAME=locale_programs locale/charmap-dir.o MODULE_NAME=locale_programs locale/simple-hash.o MODULE_NAME=locale_programs locale/xmalloc.o MODULE_NAME=locale_programs locale/xstrdup.o MODULE_NAME=locale_programs locale/record-status.o MODULE_NAME=locale_programs locale/xasprintf.o MODULE_NAME=locale_programs locale/localedef locale/localedef.o MODULE_NAME=locale_programs locale/ld-ctype.o MODULE_NAME=locale_programs locale/ld-messages.o MODULE_NAME=locale_programs locale/ld-monetary.o MODULE_NAME=locale_programs locale/ld-numeric.o MODULE_NAME=locale_programs locale/ld-time.o MODULE_NAME=locale_programs locale/ld-paper.o MODULE_NAME=locale_programs locale/ld-name.o MODULE_NAME=locale_programs locale/ld-address.o MODULE_NAME=locale_programs locale/ld-telephone.o MODULE_NAME=locale_programs locale/ld-measurement.o MODULE_NAME=locale_programs locale/ld-identification.o MODULE_NAME=locale_programs locale/ld-collate.o MODULE_NAME=locale_programs locale/charmap.o MODULE_NAME=locale_programs locale/linereader.o MODULE_NAME=locale_programs locale/locfile.o MODULE_NAME=locale_programs locale/repertoire.o MODULE_NAME=locale_programs locale/locarchive.o MODULE_NAME=locale_programs locale/md5.o MODULE_NAME=locale_programs locale/charmap-dir.o MODULE_NAME=locale_programs locale/simple-hash.o MODULE_NAME=locale_programs locale/xmalloc.o MODULE_NAME=locale_programs locale/xstrdup.o MODULE_NAME=locale_programs locale/record-status.o MODULE_NAME=locale_programs locale/xasprintf.o MODULE_NAME=locale_programs catgets/gencat catgets/gencat.o MODULE_NAME=nonlib catgets/xmalloc.o MODULE_NAME=nonlib nss/makedb nss/makedb.o MODULE_NAME=nonlib nss/xmalloc.o MODULE_NAME=nonlib nss/hash-string.o MODULE_NAME=nonlib nss/getent nss/getent.o MODULE_NAME=nonlib posix/getconf posix/getconf.o MODULE_NAME=nonlib login/utmpdump login/utmpdump.o MODULE_NAME=nonlib debug/pcprofiledump debug/pcprofiledump.o MODULE_NAME=nonlib timezone/zic timezone/zic.o MODULE_NAME=nonlib timezone/zdump timezone/zdump.o MODULE_NAME=nonlib iconv/iconv_prog iconv/iconv_prog.o MODULE_NAME=nonlib iconv/iconv_charmap.o MODULE_NAME=iconvprogs iconv/charmap.o MODULE_NAME=iconvprogs iconv/charmap-dir.o MODULE_NAME=iconvprogs iconv/linereader.o MODULE_NAME=iconvprogs iconv/dummy-repertoire.o MODULE_NAME=iconvprogs iconv/simple-hash.o MODULE_NAME=iconvprogs iconv/xstrdup.o MODULE_NAME=iconvprogs iconv/xmalloc.o MODULE_NAME=iconvprogs iconv/record-status.o MODULE_NAME=iconvprogs iconv/iconvconfig iconv/iconvconfig.o MODULE_NAME=nonlib iconv/strtab.o MODULE_NAME=iconvprogs iconv/xmalloc.o MODULE_NAME=iconvprogs iconv/hash-string.o MODULE_NAME=iconvprogs nss/libnss_files.so MODULE_NAME=libnss_files nss/libnss_compat.so.2 MODULE_NAME=libnss_compat nss/libnss_db.so MODULE_NAME=libnss_db hesiod/libnss_hesiod.so MODULE_NAME=libnss_hesiod login/libutil.so MODULE_NAME=libutil debug/libpcprofile.so MODULE_NAME=libpcprofile debug/libSegFault.so MODULE_NAME=libSegFault Also, to avoid adding both LFS and 64 bit time support on internal tests they are moved to a newer 'testsuite-internal' module. It should be similar to 'nonlib' regarding internal definition and linking namespace. This patch also enables LFS and 64 bit support of libsupport container programs (echo-container, test-container, shell-container, and true-container). Checked on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: DJ Delorie <dj@redhat.com>
2021-11-10Remove the unused +mkdep/+make-deps/s-proto.S/s-proto-cancel.SH.J. Lu1-9/+0
Since commit d73f5331ce5370ca5a879229e3842f5de98689cd Author: Roland McGrath <roland@gnu.org> Date: Fri May 2 02:20:45 2003 +0000 2003-05-01 Roland McGrath <roland@redhat.com> dependency is generated by passing -MD -MF to compiler. Remove the unused +mkdep, +make-deps, s-proto.S and s-proto-cancel.S. This fixes BZ #28554.
2021-11-06Remove the last trace of generate-md5 [BZ #28554]H.J. Lu1-1/+1
generate-md5 was removed by commit d73f5331ce5370ca5a879229e3842f5de98689cd Author: Roland McGrath <roland@gnu.org> Date: Fri May 2 02:20:45 2003 +0000 2003-05-01 Roland McGrath <roland@redhat.com> Remove its last trace. This fixes BZ #28554.
2021-06-28Install shared objects under their ABI namesFlorian Weimer1-40/+5
Previously, the installed objects were named like libc-2.33.so, and the ABI soname libc.so.6 was just a symbolic link. The Makefile targets to install these symbolic links are no longer needed after this, so they are removed with this commit. The more general $(make-link) command (which invokes scripts/rellns-sh) is retained because other symbolic links are still needed. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@rehdat.com>
2021-06-28Makerules: Remove lib-version, $(subdir-version)Florian Weimer1-22/+4
Also clarify that the "versioned" term refers to the soname, not the glibc version (which also ends up in the installed file name). Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-06-15y2038: Add test coverageAdhemerval Zanella1-1/+17
It is enabled through a new rule, tests-y2038, which is built only when the ABI supports the comapt 64-bit time_t (defined by the header time64-compat.h, which also enables the creation of the symbol Version for Linux). It means the tests are not built for ABI which already provide default 64-bit time_t. The new rule already adds the required LFS and 64-bit time_t compiler flags. The current coverage is: * libc: - adjtime tst-adjtime-time64 - adjtimex tst-adjtimex-time64 - clock_adjtime tst-clock_adjtime-time64 - clock_getres tst-clock-time64, tst-cpuclock1-time64 - clock_gettime tst-clock-time64, tst-clock2-time64, tst-cpuclock1-time64 - clock_nanosleep tst-clock_nanosleep-time64, tst-cpuclock1-time64 - clock_settime tst-clock2-time64 - cnd_timedwait tst-cnd-timedwait-time64 - ctime tst-ctime-time64 - ctime_r tst-ctime-time64 - difftime tst-difftime-time64 - fstat tst-stat-time64 - fstatat tst-stat-time64 - futimens tst-futimens-time64 - futimes tst-futimes-time64 - futimesat tst-futimesat-time64 - fts_* tst-fts-time64 - getitimer tst-itimer-timer64 - getrusage - gettimeofday tst-clock_nanosleep-time64 - glob / globfree tst-gnuglob64-time64 - gmtime tst-gmtime-time64 - gmtime_r tst-gmtime-time64 - lstat tst-stat-time64 - localtime tst-y2039-time64 - localtime_t tst-y2039-time64 - lutimes tst-lutimes-time64 - mktime tst-mktime4-time64 - mq_timedreceive tst-mqueue{1248}-time64 - mq_timedsend tst-mqueue{1248}-time64 - msgctl test-sysvmsg-time64 - mtx_timedlock tst-mtx-timedlock-time64 - nanosleep tst-cpuclock{12}-time64, tst-mqueue8-time64, tst-clock-time64 - nftw / ftw ftwtest-time64 - ntp_adjtime tst-ntp_adjtime-time64 - ntp_gettime tst-ntp_gettime-time64 - ntp_gettimex tst-ntp_gettimex-time64 - ppoll tst-ppoll-time64 - pselect tst-pselect-time64 - pthread_clockjoin_np tst-join14-time64 - pthread_cond_clockwait tst-cond11-time64 - pthread_cond_timedwait tst-abstime-time64 - pthread_mutex_clocklock tst-abstime-time64 - pthread_mutex_timedlock tst-abstime-time64 - pthread_rwlock_clockrdlock tst-abstime-time64, tst-rwlock14-time64 - pthread_rwlock_clockwrlock tst-abstime-time64, tst-rwlock14-time64 - pthread_rwlock_timedrdlock tst-abstime-time64, tst-rwlock14-time64 - pthread_rwlock_timedwrlock tst-abstime-time64, tst-rwlock14-time64 - pthread_timedjoin_np tst-join14-time64 - recvmmsg tst-cancel4_2-time64 - sched_rr_get_interval tst-sched_rr_get_interval-time64 - select tst-select-time64 - sem_clockwait tst-sem5-time64 - sem_timedwait tst-sem5-time64 - semctl test-sysvsem-time64 - semtimedop test-sysvsem-time64 - setitimer tst-mqueue2-time64, tst-itimer-timer64 - settimeofday tst-settimeofday-time64 - shmctl test-sysvshm-time64 - sigtimedwait tst-sigtimedwait-time64 - stat tst-stat-time64 - thrd_sleep tst-thrd-sleep-time64 - time tst-mqueue{1248}-time64 - timegm tst-timegm-time64 - timer_gettime tst-timer4-time64 - timer_settime tst-timer4-time64 - timerfd_gettime tst-timerfd-time64 - timerfd_settime tst-timerfd-time64 - timespec_get tst-timespec_get-time64 - timespec_getres tst-timespec_getres-time64 - utime tst-utime-time64 - utimensat tst-utimensat-time64 - utimes tst-utimes-time64 - wait3 tst-wait3-time64 - wait4 tst-wait4-time64 * librt: - aio_suspend tst-aio6-time64 - mq_timedreceive tst-mqueue{1248}-time64 - mq_timedsend tst-mqueue{1248}-time64 - timer_gettime tst-timer4-time64 - timer_settime tst-timer4-time64 * libanl: - gai_suspend Reviewed-by: Lukasz Majewski <lukma@denx.de> Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>
2021-01-12Makerules: Do not require startup files for format.lds probe objectFlorian Weimer1-3/+2
During statically linked bootstrap, the compiler does not have the required startup files, so do a smaller dummy link to obtain the output format information. Fixes commit 87d583c6e8cd0e49f64da76636ebeec033298b4d ("install: Replace scripts/output-format.sed with objdump -f [BZ #26559]").
2021-01-11install: Replace scripts/output-format.sed with objdump -f [BZ #26559]Fangrui Song1-10/+3
GNU ld and gold have supported --print-output-format since 2011. glibc requires binutils>=2.25 (2015), so if LD is GNU ld or gold, we can assume the option is supported. lld is by default a cross linker supporting multiple targets. It auto detects the file format and does not need OUTPUT_FORMAT. It does not support --print-output-format. By parsing objdump -f, we can support all the three linkers. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2021-01-02Update copyright dates with scripts/update-copyrightsPaul Eggert1-1/+1
I used these shell commands: ../glibc/scripts/update-copyrights $PWD/../gnulib/build-aux/update-copyright (cd ../glibc && git commit -am"[this commit message]") and then ignored the output, which consisted lines saying "FOO: warning: copyright statement not found" for each of 6694 files FOO. I then removed trailing white space from benchtests/bench-pthread-locks.c and iconvdata/tst-iconv-big5-hkscs-to-2ucs4.c, to work around this diagnostic from Savannah: remote: *** pre-commit check failed ... remote: *** error: lines with trailing whitespace found remote: error: hook declined to update refs/heads/master
2020-08-04Don't mix linker error messages into edited scriptsAlan Modra1-2/+2
* Makerules (shlib.lds): Discard linker warning output. (format.lds): Likewise. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2020-05-18Remove NO_CTORS_DTORS_SECTIONS macroFlorian Weimer1-4/+2
This was originally added to support binutils older than version 2.22: <https://sourceware.org/ml/libc-alpha/2010-12/msg00051.html> Since 2.22 is older than the minimum required binutils version for building glibc, we no longer need this. (The changes do not impact the statically linked startup code.)
2020-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
2019-12-03Expand $(as-needed) and $(no-as-needed) throughout the build systemFlorian Weimer1-1/+1
Since commit a3cc4f48e94f32c9532ee36982ac00eb1e5719b0 ("Remove --as-needed configure test."), --as-needed support is no longer optional. The macros are not much shorter and do not provide documentary value, either, so this commit removes them.
2019-09-07Prefer https to http for gnu.org and fsf.org URLsPaul Eggert1-1/+1
Also, change sources.redhat.com to sourceware.org. This patch was automatically generated by running the following shell script, which uses GNU sed, and which avoids modifying files imported from upstream: sed -ri ' s,(http|ftp)(://(.*\.)?(gnu|fsf|sourceware)\.org($|[^.]|\.[^a-z])),https\2,g s,(http|ftp)(://(.*\.)?)sources\.redhat\.com($|[^.]|\.[^a-z]),https\2sourceware.org\4,g ' \ $(find $(git ls-files) -prune -type f \ ! -name '*.po' \ ! -name 'ChangeLog*' \ ! -path COPYING ! -path COPYING.LIB \ ! -path manual/fdl-1.3.texi ! -path manual/lgpl-2.1.texi \ ! -path manual/texinfo.tex ! -path scripts/config.guess \ ! -path scripts/config.sub ! -path scripts/install-sh \ ! -path scripts/mkinstalldirs ! -path scripts/move-if-change \ ! -path INSTALL ! -path locale/programs/charmap-kw.h \ ! -path po/libc.pot ! -path sysdeps/gnu/errlist.c \ ! '(' -name configure \ -execdir test -f configure.ac -o -f configure.in ';' ')' \ ! '(' -name preconfigure \ -execdir test -f preconfigure.ac ';' ')' \ -print) and then by running 'make dist-prepare' to regenerate files built from the altered files, and then executing the following to cleanup: chmod a+x sysdeps/unix/sysv/linux/riscv/configure # Omit irrelevant whitespace and comment-only changes, # perhaps from a slightly-different Autoconf version. git checkout -f \ sysdeps/csky/configure \ sysdeps/hppa/configure \ sysdeps/riscv/configure \ sysdeps/unix/sysv/linux/csky/configure # Omit changes that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/powerpc/powerpc64/ppc-mcount.S: trailing lines git checkout -f \ sysdeps/powerpc/powerpc64/ppc-mcount.S \ sysdeps/unix/sysv/linux/s390/s390-64/syscall.S # Omit change that caused a pre-commit check to fail like this: # remote: *** error: sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S: last line does not end in newline git checkout -f sysdeps/sparc/sparc64/multiarch/memcpy-ultra3.S
2019-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
2018-12-11Remove support for abilist-patternAndreas Schwab1-53/+4
2018-12-10Use gen-as-const.py to process .pysym files.Joseph Myers1-30/+14
This patch eliminates the gen-py-const.awk variant of gen-as-const, switching to use of gnu-as-const.py (with a new --python option) to process .pysym files (i.e., to generate nptl_lock_constants.py), as the syntax of those files is identical to that of .sym files. Note that the generated nptl_lock_constants.py is *not* identical to the version generated by the awk script. Apart from the trivial changes (comment referencing the new script, and output being sorted), the constant FUTEX_WAITERS, PTHREAD_MUTEXATTR_FLAG_BITS, PTHREAD_MUTEXATTR_FLAG_PSHARED and PTHREAD_MUTEX_PRIO_CEILING_MASK are now output as positive rather than negative constants (on x86_64 anyway; maybe not necessarily on 32-bit systems): < FUTEX_WAITERS = -2147483648 --- > FUTEX_WAITERS = 2147483648 < PTHREAD_MUTEXATTR_FLAG_BITS = -251662336 < PTHREAD_MUTEXATTR_FLAG_PSHARED = -2147483648 --- > PTHREAD_MUTEXATTR_FLAG_BITS = 4043304960 > PTHREAD_MUTEXATTR_FLAG_PSHARED = 2147483648 < PTHREAD_MUTEX_PRIO_CEILING_MASK = -524288 --- > PTHREAD_MUTEX_PRIO_CEILING_MASK = 4294443008 This is because gen-as-const has a cast of the constant value to long int, which gen-py-const lacks. I think the positive values are more logically correct, since the constants in question are in fact unsigned in C. But to reliably produce gen-as-const.py output for constants that always (in C and Python) reflects the signedness of values with the high bit of "long int" set would mean more complicated logic needs to be used in computing values. The more correct positive values by themselves produce a failure of nptl/test-mutexattr-printers, because masking with ~PTHREAD_MUTEXATTR_FLAG_BITS & ~PTHREAD_MUTEX_NO_ELISION_NP now leaves a bit -1 << 32 in the Python value, resulting in a KeyError exception. To avoid that, places masking with ~ of one of the constants in question are changed to mask with 0xffffffff as well (this reflects how ~ in Python applies to an infinite-precision integer whereas ~ in C does not do any promotions beyond the width of int). Tested for x86_64. * scripts/gen-as-const.py (main): Handle --python option. * scripts/gen-py-const.awk: Remove. * Makerules (py-const-script): Use gen-as-const.py. ($(py-const)): Likewise. * nptl/nptl-printers.py (MutexPrinter.read_status_no_robust): Mask with 0xffffffff together with ~(PTHREAD_MUTEX_PRIO_CEILING_MASK). (MutexAttributesPrinter.read_values): Mask with 0xffffffff together with ~PTHREAD_MUTEXATTR_FLAG_BITS and ~PTHREAD_MUTEX_NO_ELISION_NP. * manual/README.pretty-printers: Update reference to gen-py-const.awk.
2018-11-30Replace gen-as-const.awk by gen-as-const.py.Joseph Myers1-11/+7
This patch replaces gen-as-const.awk, and some fragments of the Makefile code that used it, by a Python script. The point is not such much that awk is problematic for this particular script, as that I'd like to build up a general Python infrastructure for extracting information from C headers, for use in writing tests of such headers. Thus, although this patch does not set up such infrastructure, the compute_c_consts function in gen-as-const.py might be moved to a separate Python module in a subsequent patch as a starting point for such infrastructure. The general idea of the code is the same as in the awk version, but no attempt is made to make the output files textually identical. When generating a header, a dict of constant names and values is generated internally then defines are printed in sorted order (rather than the order in the .sym file, which would have been used before). When generating a test that the values computed match those from a normal header inclusion, the test code is made into a compilation test using _Static_assert, where previously the comparisons were done only when the test was executed. One fragment of test generation (converting the previously generated header to use asconst_* prefixes on its macro names) is still in awk code in the makefiles; only the .sym processing and subsequent execution of the compiler to extract constants have moved to the Python script. Tested for x86_64, and with build-many-glibcs.py. * scripts/gen-as-const.py: New file. * scripts/gen-as-const.awk: Remove. * Makerules ($(common-objpfx)%.h $(common-objpfx)%.h.d): Use gen-as-const.py. ($(objpfx)test-as-const-%.c): Likewise.
2018-09-24Don't build libnsl for new ABIsAndreas Schwab1-50/+0
For architectures and ABIs that are added in version 2.29 or later the option --enable-obsolete-nsl is no longer available, and no libnsl compatibility library is built.
2018-08-22Add test-in-container infrastructure.DJ Delorie1-1/+2
* Makefile (testroot.pristine): New rules to initialize the test-in-container "testroot". * Makerules (all-testsuite): Add tests-container. * Rules (tests-expected): Add tests-container. (binaries-all-tests): Likewise. (tests-container): New, run these tests in the testroot container. * support/Makefile (others): Add *-container, support_paths.c, xmkdirp, and links-dso-program. * support/links-dso-program-c.c: New. * support/links-dso-program.cc: New. * support/test-container.c: New. * support/shell-container.c: New. * support/echo-container.c: New. * support/true-container.c: New. * support/xmkdirp.c: New. * support/xsymlink.c: New. * support/support_paths.c: New. * support/support.h: Add support paths prototypes. * support/xunistd.h: Add xmkdirp () and xsymlink (). * nss/tst-nss-test3.c: Convert to test-in-container. * nss/tst-nss-test3.root/: New.
2018-06-26Run thread shutdown functions in an explicit orderFlorian Weimer1-3/+0
This removes the __libc_thread_subfreeres hook in favor of explict calls. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
2018-02-23Define GEN_AS_CONST_HEADERS when generating header files [BZ #22792]H.J. Lu1-1/+8
Glibc build generates header files to define constants from special .sym files. If a .sym file includes the same header file which it generates, it leads to circular dependency which may lead to build hang on a many-core machine. Define GEN_AS_CONST_HEADERS when generating header files to avoid circular dependency. <tcb-offsets.h> is needed for i686 and it isn't needed for x86-64 at least since glibc 2.23. Tested on i686 and x86-64. [BZ #22792] * Makerules ($(common-objpfx)%.h): Pass -DGEN_AS_CONST_HEADERS to $(CC). * sysdeps/unix/sysv/linux/i386/lowlevellock.h: Include <tcb-offsets.h> only if GEN_AS_CONST_HEADERS isn't defined. * sysdeps/unix/sysv/linux/x86_64/lowlevellock.h: Don't include <tcb-offsets.h>.
2018-01-06Allow make-link-multidir to make subdirectoriesPalmer Dabbelt1-0/+1
The RISC-V Linux ABI doesn't define any libraries that go directly in lib, instead they go into lib32/ilp32 or lib64/lp64. This casuse make-link-multidir to fail when attempting to make library directories when building a static libc on multilib RISC-V systems. This patch uses scripts/mkinstalldirs to make the base directory of the target symlink of make-link-multidir. 2018-01-06 Palmer Dabbelt <palmer@sifive.com> * Makerules (make-link-multidir): Make directories before linking into them.
2018-01-01Update copyright dates with scripts/update-copyrights.Joseph Myers1-1/+1
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
2017-11-06Use newly built crt*.o files to build shared objects [BZ #22362]H.J. Lu1-0/+9
When multi-lib GCC is used to build glibc, the search order of GCC driver for crt*.o is -B*/`gcc -print-multi-directory`, the installed diretory, -B*/. This patch adds multi-lib support to csu/Makefile so that -B/glibc-build-directory/csu/ will pick up the newly built crt*.o. Tested on x86-64 for i686 and x32. [BZ #22362] * Makerules (make-link-multidir): New. * config.make.in (multidir): New. * configure.ac (libc_cv_multidir): New. AC_SUBST. * configure: Regenerated. * csu/Makefile [$(multidir) != .](multilib-extra-objs): New. [$(multidir) != .](extra-objs): Add $(multilib-extra-objs). [$(multidir) != .]($(addprefix $(objpfx)$(multidir)/, $(install-lib))): New target.
2017-08-31Place $(elf-objpfx)sofini.os last [BZ #22051]H.J. Lu1-1/+4
Since sofini.os terminates .eh_frame section, it should be placed last. [BZ #22051] * Makerules (build-module-helper-objlist): Filter out $(elf-objpfx)sofini.os. (build-shlib-objlist): Append $(elf-objpfx)sofini.os if it is needed.
2017-08-21Don't compile non-lib modules as lib modules [BZ #21864]H.J. Lu1-1/+2
Some programs have more than one source files. These non-lib modules should not be compiled with -DMODULE_NAME=libc. This patch puts these non-lib modules in $(others-extras) and adds $(others-extras) to all-nonlib. [BZ #21864] * Makerules (all-nonlib): Add $(others-extras). * catgets/Makefile (others-extras): New. * elf/Makefile (others-extras): Likewise. * nss/Makefile (others-extras): Likewise.
2017-06-14Remove __need_IOV_MAX and __need_FOPEN_MAX.Zack Weinberg1-9/+1
__need_FOPEN_MAX wasn't being used anywhere. __need_IOV_MAX was more complicated; the basic deal is that sys/uio.h wants to define a constant named UIO_MAXIOV and bits/xopen_lim.h wants to define a constant named IOV_MAX, with the same meaning. For no apparent reason this was being handled via bits/stdio_lim.h -- stdio.h is NOT supposed to define IOV_MAX -- and some mess in Makerules. Also, bits/uio.h on Linux was being used as a dumping ground for extension functions. So now we have bits/uio_lim.h, which defines __IOV_MAX. bits/xopen_lim.h and sys/uio.h use that to define their respective constants. We also now have bits/uio-ext.h, which is the official Proper Home for extensions to sys/uio.h. bits/uio.h is removed, and stdio_lim.h doesn't define IOV_MAX at all. * bits/uio_lim.h, sysdeps/unix/sysv/linux/bits/uio_lim.h * bits/uio-ext.h, sysdeps/unix/sysv/linux/bits/uio-ext.h: New file. * bits/uio.h, sysdeps/unix/sysv/linux/bits/uio.h: Delete file. * include/bits/xopen_lim.h: Use bits/uio_lim.h to get the value for IOV_MAX. * misc/Makefile: Install bits/uio-ext.h and bits/uio_lim.h. Don't install bits/uio.h. * misc/sys/uio.h: Don't include bits/uio.h. Do include bits/types/struct_iovec.h and bits/uio_lim.h. Set UIO_MAXIOV based on __IOV_MAX. Under __USE_GNU, also include bits/uio-ext.h. * stdio-common/stdio_lim.h.in: Remove logic for __need_FOPEN_MAX and __need_IOV_MAX. Don't define IOV_MAX at all. * Makerules (stdio_lim.h): Remove logic for setting IOV_MAX. * sysdeps/unix/sysv/linux/bits/fcntl-linux.h: Include bits/types/struct_iovec.h, not bits/uio.h. Use __ssize_t, not ssize_t, in function prototypes. Don't use hard TAB for double space after period in comments.
2017-06-13Make copy of <bits/std_abs.h> from GCC 7 [BZ #21573]H.J. Lu1-0/+8
<bits/std_abs.h> from GCC 7 will include /usr/include/stdlib.h from "#include_next" (instead of stdlib/stdlib.h in the glibc source directory), and this turns up as a make dependency. Also make a copy of <bits/std_abs.h> to prevent it from including /usr/include/stdlib.h. [BZ #21573] * Makerules [$(c++-bits-std_abs-h) != ""] (before-compile): Add $(common-objpfx)bits/std_abs.h. [$(c++-bits-std_abs-h) != ""] ($(common-objpfx)bits/std_abs.h): New target. * config.make.in (c++-bits-std_abs-h): New. * configure.ac (find_cxx_header): Use "\,$1," with sed. (CXX_BITS_STD_ABS_H): New. (AC_SUBST(CXX_BITS_STD_ABS_H)): Likewise. * configure: Regenerated.
2017-05-19Also create and use ldbl-compat-choose.h.Joseph Myers1-3/+5
This patch makes the glibc build generate an additional header ldbl-compat-choose.h that defines LONG_DOUBLE_COMPAT_CHOOSE_* macros for each libc and libm symbol, which select one or the other of their arguments based on whether the symbol was added before a change to long double != double. The effect of this is that it is then possible to define a macro maybe_long_double_symbol that automatically acts as either long_double_symbol or weak_alias depending on when the symbol being defined was added. This can be used when building long double functions from type-generic templates. Thus, with this patch ldbl-opt no longer needs special long double implementations of each new libm function added using such a template, and the existing such implementations are removed. This is a step towards being able more generally to use common macros to create all the aliases needed for a libm function, so reducing the amount of special-case code needed in ldbl-opt and ldbl-64-128, and facilitating subsequently adding *f32 / *f64 / *f128 / *f32x / *f64x aliases to existing functions (where the set of aliases that a function should have may depend on the architecture in various ways). Tested with build-many-glibcs.py. Except for on powerpc64le-linux-gnu, installed stripped shared libraries are unchanged by the patch. powerpc64le-linux-gnu is the unique configuration which used ldbl-opt from the start rather than adding a new long double choice after originally only having had long double = double. The effect of the patch there is that various cases that previously used long_double_symbol unconditionally now use weak_alias instead, so .os files contain e.g. a symbol cabsl instead of cabsl@@GLIBC_2.17. The final dynamic symbols and versions in the resulting shared libraries are unchanged (ABI tests pass), as is the disassembly of the shared libraries, but the differences in the .os files still result in different .gnu_hash contents in libm.so; the differences are of no significance and logically using weak_alias is what's most appropriate in those cases. * scripts/versions.awk: Generate ldbl-compat-choose.h. * sysdeps/ieee754/ldbl-opt/math-type-macros-ldouble.h: Include <ldbl-compat-choose.h>. (maybe_long_double_symbol): New macro. [!declare_mgen_alias] (declare_mgen_alias): Use maybe_long_double_symbol. * sysdeps/ieee754/ldbl-opt/s_canonicalizel.c: Remove. * sysdeps/ieee754/ldbl-opt/s_fmaxmagl.c: Likewise. * sysdeps/ieee754/ldbl-opt/s_fminmagl.c: Likewise. * sysdeps/ieee754/ldbl-opt/s_nextdownl.c: Likewise. * sysdeps/ieee754/ldbl-opt/w_llogbl.c: Likewise. * Makerules [$(build-shared) = yes && !avoid-generated] (before-compile): Add $(common-objpfx)ldbl-compat-choose.h. [$(build-shared) = yes && !avoid-generated] ($(common-objpfx)ldbl-compat-choose.h): New target.
2017-05-19Create and use first-versions.h with macros for function symbol versions.Joseph Myers1-3/+10
This patch arranges for the glibc build to generate a header first-versions.h that defines macros for the earliest symbol version in which each public symbol (GLIBC_[0-9]* symbol version, name only uses C identifier characters) is available. This is used in sysdeps/ieee754/ldbl-opt/math-type-macros-double.h to replace the manually defined LDOUBLE_*_libm_version macros for various functions defined using type-generic templates, the purpose of which is to use in LONG_DOUBLE_COMPAT tests "was this function originally added before glibc supported long double != double on this platform?". As discussed in <https://sourceware.org/ml/libc-alpha/2016-12/msg00246.html>, I expect this to be useful more generally in reducing the amount of special-case code needed in ldbl-opt and ldbl-64-128. Tested with build-many-glibcs.py that installed stripped shared libraries are unchanged by this patch. * scripts/versions.awk: Generate first-versions.h. * sysdeps/ieee754/ldbl-opt/math-type-macros-double.h: Include <first-versions.h>. (LDOUBLE_cabsl_libm_version): Remove macro. (LDOUBLE_cargl_libm_version): Likewise. (LDOUBLE_cimagl_libm_version): Likewise. (LDOUBLE_conjl_libm_version): Likewise. (LDOUBLE_creall_libm_version): Likewise. (LDOUBLE_cacosl_libm_version): Likewise. (LDOUBLE_cacoshl_libm_version): Likewise. (LDOUBLE_ccosl_libm_version): Likewise. (LDOUBLE_ccoshl_libm_version): Likewise. (LDOUBLE_casinl_libm_version): Likewise. (LDOUBLE_csinl_libm_version): Likewise. (LDOUBLE_casinhl_libm_version): Likewise. (LDOUBLE_csinhl_libm_version): Likewise. (LDOUBLE_catanl_libm_version): Likewise. (LDOUBLE_catanhl_libm_version): Likewise. (LDOUBLE_ctanl_libm_version): Likewise. (LDOUBLE_ctanhl_libm_version): Likewise. (LDOUBLE_cexpl_libm_version): Likewise. (LDOUBLE_clogl_libm_version): Likewise. (LDOUBLE_cprojl_libm_version): Likewise. (LDOUBLE_csqrtl_libm_version): Likewise. (LDOUBLE_cpowl_libm_version): Likewise. (LDOUBLE_clog10l_libm_version): Likewise. (LDOUBLE___clog10l_libm_version): Likewise. (LDOUBLE_fdiml_libm_version): Likewise. (LDOUBLE_fmaxl_libm_version): Likewise. (LDOUBLE_fminl_libm_version): Likewise. (LDOUBLE_ilogbl_libm_version): Likewise. (LDOUBLE_nanl_libm_version): Likewise. [!M_LIBM_NEED_COMPAT] (M_LIBM_NEED_COMPAT): Use FIRST_VERSION_libm_* macros. [!declare_mgen_libm_compat] (declare_mgen_libm_compat): Likewise. * Makerules [$(build-shared) = yes && !avoid-generated] (before-compile): Add $(common-objpfx)first-versions.h. [$(build-shared) = yes && !avoid-generated] ($(common-objpfx)first-versions.h): New target. ($(common-objpfx)sysd-versions): Depend on and change to rule for building $(common-objpfx)versions.stmp.
2017-05-11Suppress internal declarations for most of the testsuite.Zack Weinberg1-11/+42
This patch adds a new build module called 'testsuite'. IS_IN (testsuite) implies _ISOMAC, as do IS_IN_build and __cplusplus (which means several ad-hoc tests for __cplusplus can go away). libc-symbols.h now suppresses almost all of *itself* when _ISOMAC is defined; in particular, _ISOMAC mode does not get config.h automatically anymore. There are still quite a few tests that need to see internal gunk of one variety or another. For them, we now have 'tests-internal' and 'test-internal-extras'; files in this category will still be compiled with MODULE_NAME=nonlib, and everything proceeds as it always has. The bulk of this patch is moving tests from 'tests' to 'tests-internal'. There is also 'tests-static-internal', which has the same effect on files in 'tests-static', and 'modules-names-tests', which has the *inverse* effect on files in 'modules-names' (it's inverted because most of the things in modules-names are *not* tests). For both of these, the file must appear in *both* the new variable and the old one. There is also now a special case for when libc-symbols.h is included without MODULE_NAME being defined at all. (This happens during the creation of libc-modules.h, and also when preprocessing Versions files.) When this happens, IS_IN is set to be always false and _ISOMAC is *not* defined, which was the status quo, but now it's explicit. The remaining changes to C source files in this patch seemed likely to cause problems in the absence of the main change. They should be relatively self-explanatory. In a few cases I duplicated a definition from an internal header rather than move the test to tests-internal; this was a judgement call each time and I'm happy to change those however reviewers feel is more appropriate. * Makerules: New subdir configuration variables 'tests-internal' and 'test-internal-extras'. Test files in these categories will still be compiled with MODULE_NAME=nonlib. Test files in the existing categories (tests, xtests, test-srcs, test-extras) are now compiled with MODULE_NAME=testsuite. New subdir configuration variable 'modules-names-tests'. Files which are in both 'modules-names' and 'modules-names-tests' will be compiled with MODULE_NAME=testsuite instead of MODULE_NAME=extramodules. (gen-as-const-headers): Move to tests-internal. (do-tests-clean, common-mostlyclean): Support tests-internal. * Makeconfig (built-modules): Add testsuite. * Makefile: Change libof-check-installed-headers-c and libof-check-installed-headers-cxx to 'testsuite'. * Rules: Likewise. Support tests-internal. * benchtests/strcoll-inputs/filelist#en_US.UTF-8: Remove extra-modules.mk. * config.h.in: Don't check for __OPTIMIZE__ or __FAST_MATH__ here. * include/libc-symbols.h: Move definitions of _GNU_SOURCE, PASTE_NAME, PASTE_NAME1, IN_MODULE, IS_IN, and IS_IN_LIB to the very top of the file and rationalize their order. If MODULE_NAME is not defined at all, define IS_IN to always be false, and don't define _ISOMAC. If any of IS_IN (testsuite), IS_IN_build, or __cplusplus are true, define _ISOMAC and suppress everything else in this file, starting with the inclusion of config.h. Do check for inappropriate definitions of __OPTIMIZE__ and __FAST_MATH__ here, but only if _ISOMAC is not defined. Correct some out-of-date commentary. * include/math.h: If _ISOMAC is defined, undefine NO_LONG_DOUBLE and _Mlong_double_ before including math.h. * include/string.h: If _ISOMAC is defined, don't expose _STRING_ARCH_unaligned. Move a comment to a more appropriate location. * include/errno.h, include/stdio.h, include/stdlib.h, include/string.h * include/time.h, include/unistd.h, include/wchar.h: No need to check __cplusplus nor use __BEGIN_DECLS/__END_DECLS. * misc/sys/cdefs.h (__NTHNL): New macro. * sysdeps/m68k/m680x0/fpu/bits/mathinline.h (__m81_defun): Use __NTHNL to avoid errors with GCC 6. * elf/tst-env-setuid-tunables.c: Include config.h with _LIBC defined, for HAVE_TUNABLES. * inet/tst-checks-posix.c: No need to define _ISOMAC. * intl/tst-gettext2.c: Provide own definition of N_. * math/test-signgam-finite-c99.c: No need to define _ISOMAC. * math/test-signgam-main.c: No need to define _ISOMAC. * stdlib/tst-strtod.c: Convert to test-driver. Split locale_test to... * stdlib/tst-strtod1i.c: ...this new file. * stdlib/tst-strtod5.c: Convert to test-driver and add copyright notice. Split tests of __strtod_internal to... * stdlib/tst-strtod5i.c: ...this new file. * string/test-string.h: Include stdint.h. Duplicate definition of inhibit_loop_to_libcall here (from libc-symbols.h). * string/test-strstr.c: Provide dummy definition of libc_hidden_builtin_def when including strstr.c. * sysdeps/ia64/fpu/libm-symbols.h: Suppress entire file in _ISOMAC mode; no need to test __STRICT_ANSI__ nor __cplusplus as well. * sysdeps/x86_64/fpu/math-tests-arch.h: Include cpu-features.h. Don't include init-arch.h. * sysdeps/x86_64/multiarch/test-multiarch.h: Include cpu-features.h. Don't include init-arch.h. * elf/Makefile: Move tst-ptrguard1-static, tst-stackguard1-static, tst-tls1-static, tst-tls2-static, tst-tls3-static, loadtest, unload, unload2, circleload1, neededtest, neededtest2, neededtest3, neededtest4, tst-tls1, tst-tls2, tst-tls3, tst-tls6, tst-tls7, tst-tls8, tst-dlmopen2, tst-ptrguard1, tst-stackguard1, tst-_dl_addr_inside_object, and all of the ifunc tests to tests-internal. Don't add $(modules-names) to test-extras. * inet/Makefile: Move tst-inet6_scopeid_pton to tests-internal. Add tst-deadline to tests-static-internal. * malloc/Makefile: Move tst-mallocstate and tst-scratch_buffer to tests-internal. * misc/Makefile: Move tst-atomic and tst-atomic-long to tests-internal. * nptl/Makefile: Move tst-typesizes, tst-rwlock19, tst-sem11, tst-sem12, tst-sem13, tst-barrier5, tst-signal7, tst-tls3, tst-tls3-malloc, tst-tls5, tst-stackguard1, tst-sem11-static, tst-sem12-static, and tst-stackguard1-static to tests-internal. Link tests-internal with libpthread also. Don't add $(modules-names) to test-extras. * nss/Makefile: Move tst-field to tests-internal. * posix/Makefile: Move bug-regex5, bug-regex20, bug-regex33, tst-rfc3484, tst-rfc3484-2, and tst-rfc3484-3 to tests-internal. * stdlib/Makefile: Move tst-strtod1i, tst-strtod3, tst-strtod4, tst-strtod5i, tst-tls-atexit, and tst-tls-atexit-nodelete to tests-internal. * sunrpc/Makefile: Move tst-svc_register to tests-internal. * sysdeps/powerpc/Makefile: Move test-get_hwcap and test-get_hwcap-static to tests-internal. * sysdeps/unix/sysv/linux/Makefile: Move tst-setgetname to tests-internal. * sysdeps/x86_64/fpu/Makefile: Add all libmvec test modules to modules-names-tests.
2017-05-09Rename cppflags-iterator.mk to libof-iterator.mk, remove extra-modules.mk.Zack Weinberg1-6/+4
cppflags-iterator.mk no longer has anything to do with CPPFLAGS; all it does is set libof-$(foo) for a list of files. extra-modules.mk does the same thing, but with a different input variable, and doesn't let the caller control the module. Therefore, this patch gives cppflags-iterator.mk a better name, removes extra-modules.mk, and updates all uses of both. * extra-modules.mk: Delete file. * cppflags-iterator.mk: Rename to ... * libof-iterator.mk: ...this. Adjust comments. * Makerules, extra-lib.mk, benchtests/Makefile, elf/Makefile * elf/rtld-Rules, iconv/Makefile, locale/Makefile, malloc/Makefile * nscd/Makefile, sunrpc/Makefile, sysdeps/s390/Makefile: Use libof-iterator.mk instead of cppflags-iterator.mk or extra-modules.mk. * benchtests/strcoll-inputs/filelist#en_US.UTF-8: Remove extra-modules.mk and cppflags-iterator.mk, add libof-iterator.mk.
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