+2011-07-12 Paul Eggert <eggert@cs.ucla.edu>
+
+ sigpipe-die: use stdnoreturn.h
+ * lib/sigpipe-die.h: Include <stdnoreturn.h>.
+ (_GL_ATTRIBUTE_NORETURN): Remove; all uses replaced with noreturn.
+ * modules/sigpipe-die (Depends-on): Add stdnoreturn.
+
+ openat: use stdnoreturn.h
+ * lib/openat.h: Include <stdnoreturn.h>.
+ (_GL_ATTRIBUTE_NORETURN): Remove; all uses replaced with noreturn.
+ * modules/openat (Depends-on): Add stdnoreturn.
+
+ * lib/openat-die.c (openat_save_fail): Modernize comment.
+
+ * lib/xalloc-die.c (xalloc_die): Modernize comment.
+
+ * lib/glthread/thread.h: Modernize comment.
+
+ obstack: use _Noreturn
+ * lib/obstack.c (__attribute__): Remove macro.
+ (print_and_abort): Use _Noreturn.
+
+ c-stack: use _Noreturn
+ * lib/c-stack.c (die, overflow_handler, segv_handler):
+ Use _Noreturn rather than __attribute__((noreturn)).
+
+ argmatch-tests, exclude_tests: use _Noreturn
+ * tests/test-argmatch.c, tests/test-exclude.c (_GL_ATTRIBUTE_NORETURN):
+ Remove.
+ (ARGMATCH_DIE_DECL): Use _Noreturn instead.
+
+ stdlib: use _Noreturn
+ * lib/stdlib.in.h (_GL_ATTRIBUTE_NORETURN): Remove.
+ (_Exit): Use _Noreturn rather than _GL_ATTRIBUTE_NORETURN.
+ * modules/stdlib (Depends-on): Add _Noreturn.
+ (stdlib.h): Depend on $(_NORETURN_H), and copy it in.
+
+ stdnoreturn-tests: new module
+ * modules/stdnoreturn-tests, tests/test-stdnoreturn.c: New files.
+
+ stdnoreturn: new module
+ * MODULES.html.sh (Noreturn <stdnoreturn.h>): New section.
+ * m4/stdnoreturn.m4, modules/stdnoreturn: New files.
+
+ _Noreturn-tests: new module
+ * modules/_Noreturn-tests, tests/test-_Noreturn.c: New files.
+
+ _Noreturn: new module
+ * MODULES.html.sh (Support for systems lacking draft ISO C 1X):
+ New section, mentioning it.
+ * build-aux/_Noreturn.h, modules/_Noreturn: New files.
+
+ * m4/gnulib-common.m4 (gl_COMMON_BODY): Add _Noreturn.
+
+2011-07-11 Eric Blake <eblake@redhat.com>
+
+ ffs: new module
+ * modules/ffs: New file.
+ * m4/ffs.m4: Likewise.
+ * lib/ffs.c: Likewise.
+ * m4/strings_h.m4 (gl_HEADER_STRINGS_H_DEFAULTS): Add default.
+ * modules/strings (Makefile.am): Substitute witness.
+ (Depends-on): Add c++defs.
+ * lib/strings.in.h (ffs): Declare.
+ * modules/ffs-tests: New test file.
+ * tests/test-ffs.c: Test new module.
+ * MODULES.html.sh (Integer arithmetic functions): Mention it.
+ * doc/posix-functions/ffs.texi (ffs): Likewise.
+
+ regex: avoid compiler warning
+ * lib/regex.c (includes): Include <strings.h>, for use of
+ strcasecmp in regcomp.c.
+ Reported by Joachim Schmitz.
+
+2011-07-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ stdint: respect system's intmax_t if INTMAX_MAX
+ * lib/stdint.in.h (intmax_t, uintmax_t): If the system defines
+ INTMAX_MAX, assume its intmax_t is OK. Similarly for and
+ uintmax_t. This is for some Mac OS X builds, where intmax_t is
+ long but int64_t is long long, and where we will clash with the
+ system intmax_t if we override it. See
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-07/msg00160.html>.
+ (INTMAX_C, UINTMAX_C): For consistency, respect the system's
+ INTMAX_C if INTMAX_MAX and INTMAX_C are both defined, and
+ similarly for UINTMAX_C.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask tests: Avoid a compiler warning.
+ * tests/test-pthread_sigmask1.c (main): Complain if system() returns
+ non-zero.
+
+ sigprocmask tests: A better way to avoid a compiler warning.
+ * tests/test-sigprocmask.c: Don't include "ignore-value.h".
+ (main): Complain if system() returns non-zero.
+ * modules/sigprocmask-tests (Depends-on): Remove ignore-value.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Work around IRIX bug.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Test for the IRIX
+ bug.
+ * lib/pthread_sigmask.c (pthread_sigmask): usleep for some time when
+ there may be unblocked pending signals.
+ * doc/posix-functions/pthread_sigmask.texi: Mention the IRIX bug.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Work around Cygwin bug.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Test for the Cygwin
+ bug.
+ * lib/pthread_sigmask.c (pthread_sigmask): Fix the return value from
+ the system's pthread_sigmask function.
+ * doc/posix-functions/pthread_sigmask.texi: Mention the Cygwin bug.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Work around bug in single-threaded implementation.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Test for the
+ FreeBSD, HP-UX, Solaris bug.
+ (gl_PREREQ_PTHREAD_SIGMASK): New macro.
+ * lib/pthread_sigmask.c: Include <stddef.h>.
+ (pthread_sigmask): If HAVE_PTHREAD_SIGMASK, define as a wrapper around
+ the system's pthread_sigmask function.
+ * modules/pthread_sigmask (configure.ac): Invoke
+ gl_PREREQ_PTHREAD_SIGMASK.
+ * doc/posix-functions/pthread_sigmask.texi: Mention bug on FreeBSD,
+ HP-UX, Solaris.
+
+2011-07-08 Eric Blake <eblake@redhat.com>
+
+ test-sigprocmask: avoid compiler warning
+ * modules/sigprocmask-tests (Depends-on): Add ignore-value.
+ * tests/test-sigprocmask.c (main): Use it to silence warning.
+ Reported by Jim Meyering.
+
+ test-snprintf: avoid compiler warning
+ * tests/test-snprintf.c (main): Avoid shadowed declaration.
+ * tests/test-vsnprintf.c (main): Likewise.
+ Reported by Jim Meyering.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ Tests for module 'pthread_sigmask'.
+ * modules/pthread_sigmask-tests: New file.
+ * tests/test-pthread_sigmask1.c: New file, based on
+ tests/test-sigprocmask.c.
+ * tests/test-pthread_sigmask2.c: New file.
+
+2011-07-08 Jim Meyering <meyering@redhat.com>
+
+ test-getopt.h: avoid warning about an unused variable
+ * tests/test-getopt.h (test_getopt): Remove unused variable, "c".
+
+2011-07-07 Jim Meyering <meyering@redhat.com>
+
+ maint: reduce list of files exempt from sc_prohibit_leading_TABs
+ * Makefile (sc_prohibit_leading_TABs): Don't exempt m4/po.m4,
+ now that it no longer contains leading TABs.
+ Remove unused "url=FIXME" statement.
+
+2011-07-08 Paul Eggert <eggert@cs.ucla.edu>
+
+ pthread_sigmask: Assume POSIX when not gl_THREADLIB.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK):
+ When gl_THREADLIB is not in use, assume that the POSIX sematics
+ are desired. This is better for Emacs, which uses POSIX semantics
+ on GNUish and/or POSIXish platforms, and does not use threads at
+ all otherwise.
+
+ pthread_sigmask: fix typo when testing for libraries
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK):
+ AC_LINK_IFELSE, not AC_COMPILE_IFELSE.
+
+2011-07-08 Eric Blake <eblake@redhat.com>
+
+ fts: introduce FTS_NOATIME
+ * lib/fts_.h (FTS_NOATIME): New bit flag.
+ (FTS_OPTIONMASK): Adjust.
+ * lib/fts.c (diropen, fts_open, fts_build): Honor it.
+ (fd_ring_check): Debug code unconditionally uses O_NOATIME.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ Tests for module 'thread'.
+ * modules/thread-tests: New file.
+ * tests/test-thread_self.c: New file.
+ * tests/test-thread_create.cc: New file.
+
+2011-07-08 Bruno Haible <bruno@clisp.org>
+
+ thread: Avoid gcc warnings when using gl_thread_self().
+ * lib/glthread/thread.h (gl_thread_self): Return a pthread_t, not a
+ 'void *'.
+ (gl_thread_self_pointer): Update.
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ signal-c++-tests: Check declaration of pthread_sigmask.
+ * tests/test-signal-c++.cc: Check declaration of pthread_sigmask.
+ * modules/signal-c++-tests (Makefile.am): Link test-signal-c++ against
+ $(LIB_PTHREAD_SIGMASK).
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Fix link requirements on OSF/1 5.1 and with pth.
+ * lib/signal.in.h (pthread_sigmask): Override if
+ REPLACE_PTHREAD_SIGMASK is 1.
+ * m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Initialize
+ REPLACE_PTHREAD_SIGMASK.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Set also
+ REPLACE_PTHREAD_SIGMASK. Set and substitute LIB_PTHREAD_SIGMASK.
+ * modules/signal (Makefile.am): Substitute REPLACE_PTHREAD_SIGMASK.
+ * modules/pthread_sigmask (Depends-on, configure.ac): Update condition.
+ (Link): Set to $(LIB_PTHREAD_SIGMASK), not $(LIBMULTITHREAD).
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Ensure declaration in <signal.h>.
+ * lib/signal.in.h: On MacOS X, FreeBSD, OpenBSD, OSF/1, Solaris 2.6,
+ include <pthread.h>.
+ * doc/posix-functions/pthread_sigmask.texi: Mention the header file
+ problem.
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Document the module.
+ * doc/posix-functions/pthread_sigmask.texi: Mention the new module.
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Follow gnulib conventions.
+ * m4/pthread_sigmask.m4 (gl_FUNC_PTHREAD_SIGMASK): Renamed from
+ gl_PTHREAD_SIGMASK.
+ * modules/pthread_sigmask (configure.ac): Update.
+
+2011-07-07 Bruno Haible <bruno@clisp.org>
+
+ pthread_sigmask: Make declaration C++ safe.
+ * lib/signal.in.h: In two special conditions, just do an #include_next.
+ (pthread_sigmask): Test HAVE_PTHREAD_SIGMASK, not REPLACE_PTHREAD_MASK.
+ Invoke _GL_CXXALIAS_SYS and _GL_CXXALIASWARN.
+ * m4/signal_h.m4 (gl_SIGNAL_H_DEFAULTS): Initialize
+ HAVE_PTHREAD_SIGMASK, not REPLACE_PTHREAD_MASK.
+ * m4/pthread_sigmask.m4 (gl_PTHREAD_SIGMASK): Set HAVE_PTHREAD_SIGMASK,
+ not REPLACE_PTHREAD_MASK.
+ * modules/signal (Makefile.am): Substitute HAVE_PTHREAD_SIGMASK,
+ not REPLACE_PTHREAD_MASK.
+ * modules/pthread_sigmask (Depends-on, configure.ac): Update condition.
+
2011-07-07 Bruno Haible <bruno@clisp.org>
pthread_sigmask: Fix return value.