+2011-06-23 Eric Blake <eblake@redhat.com>
+
+ maint.mk: test further PATH_MAX issues
+ * top/maint.mk (sc_prohibit_path_max_array): Rename...
+ (sc_prohibit_path_max_allocation): ...and also test alloca.
+ Suggested by Jim Meyering.
+
+2011-06-22 Eric Blake <eblake@redhat.com>
+
+ maint.mk: add syntax-check to avoid char[PATH_MAX]
+ * top/maint.mk (sc_prohibit_path_max_array): New rule.
+
+ stat: be robust to PATH_MAX definition
+ * lib/stat.c (rpl_stat): Require reasonable PATH_MAX.
+ * modules/stat (Depends-on): Add verify.
+
+ link: work around IRIX bug
+ * m4/link.m4 (gl_FUNC_LINK): Expose the bug.
+ * lib/link.c (rpl_link): Work around it.
+ * tests/test-link.h (test_link): Enhance test.
+ * doc/posix-functions/link.texi (link): Document the bug.
+
+ getopt: silence clang warning
+ * lib/getopt.c (_getopt_internal_r): Avoid unlikely NULL
+ dereference.
+ Reported by Gustavo Martin Domato.
+
+2011-06-22 Jim Meyering <meyering@redhat.com>
+
+ bootstrap: do not insert a blank line into each .gitignore file
+ * build-aux/bootstrap (sort_patterns): Filter out blank lines.
+
+2011-06-21 Eric Blake <eblake@redhat.com>
+
+ perror: test for output mismatch
+ * m4/perror.m4 (gl_FUNC_PERROR): Add test, in order to replace
+ perror on IRIX.
+
+ strerror_r: fix OpenBSD behavior on out-of-range
+ * lib/strerror_r.c (strerror_r): Always use maximal string.
+ * doc/posix-functions/strerror_r.texi (strerror_r): Document it.
+
+ strerror_r: fix OpenBSD behavior on 0
+ * lib/strerror-override.c (strerror_override): Also override 0
+ when needed.
+ * lib/strerror-override.h (strerror_override): Likewise.
+ * lib/strerror.c (strerror): Simplify, now that 0 override is done
+ earlier.
+ * lib/strerror_r.c (strerror_r): Likewise.
+ * m4/strerror.m4 (gl_FUNC_STRERROR): Split detection of 0
+ behavior...
+ (gl_FUNC_STRERROR_0): ...into new macro.
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Replace strerror_r if 0
+ is overridden.
+ (gl_FUNC_STRERROR_R_WORKS): Avoid extra tests if 0 is broken.
+ * modules/strerror-override (Files): Add strerror.m4.
+ (configure.ac): Also provide override for 0 when needed.
+ * doc/posix-functions/strerror.texi (strerror): Document this.
+ * doc/posix-functions/perror.texi (perror): Likewise.
+
+ perror: adjust array size
+ * modules/perror (Depends-on): Add strerror-override.
+ * lib/perror.c (perror): Use it to avoid magic number.
+
+ strerror-override: reduce size
+ * lib/strerror-override.c (strerror_override): Use fewer lines.
+
+2011-06-20 Bruno Haible <bruno@clisp.org>
+
+ pathmax: Ensure correct value for PATH_MAX on HP-UX.
+ * lib/pathmax.h (PATH_MAX) [HP-UX]: Define to 1024.
+
+2011-06-20 Paul Eggert <eggert@cs.ucla.edu>
+
+ alloca: port to compilers that can optimize like GCC 4.6.0
+ * lib/alloca.c (find_stack_direction): New signature, taken from
+ Autoconf git. This works with GCC 4.6.0. This code should never
+ be used with GCC 4.6.0 itself, as GCC has alloca, but it might
+ be used with other compilers that optimize as well as GCC 4.6.0 does.
+ (alloca): Adjust to new signature.
+ * m4/alloca.m4 (__AC_LIBOBJ_ALLOCA) [Autoconf version < 2.69]:
+ New macro, which patches Autoconf in a similar way.
+
+ c-stack: stop worrying about stack direction
+ * lib/c-stack.c (find_stack_direction): Remove.
+ (segv_handler): Don't worry about stack direction growth, as it's
+ too much of a pain to configure this correctly, given how compilers
+ are optimizing-away our stack-growth detection code. Instead, assume
+ that any access to just before or just after the stack is OK.
+ * m4/c-stack.m4 (AC_SYS_XSI_STACK_OVERFLOW_HEURISTIC):
+ Don't require AC_FUNC_ALLOCA; no longer needed.
+
+2011-06-20 Eric Blake <eblake@redhat.com>
+
+ test-stat: don't allocate PATH_MAX bytes
+ * tests/test-stat.h (test_stat_func): Don't stack-allocate a
+ PATH_MAX-sized buffer.
+ * modules/openat-tests (Depends-on): Add getcwd-lgpl, drop pathmax.
+ * modules/stat-tests (Depends-on): Likewise.
+ * tests/test-fstatat.c (includes): Drop pathmax.h.
+ * tests/test-stat.c (includes): Likewise.
+ Reported by Bruno Haible.
+
+2011-06-20 Bruno Haible <bruno@clisp.org>
+
+ float: Work around <float.h> bugs on FreeBSD/x86, AIX with GCC, IRIX.
+ * lib/float.in.h: Add workarounds for FreeBSD/x86, AIX with GCC, IRIX.
+ * lib/float.c: New file.
+ * m4/float_h.m4 (gl_FLOAT_H): Also handle FreeBSD, AIX, IRIX. Set
+ REPLACE_FLOAT_LDBL.
+ * modules/float (Files): Add lib/float.c.
+ (configure.ac): Invoke AC_LIBOBJ.
+ * doc/posix-headers/float.texi: Mention problems on FreeBSD, AIX, IRIX.
+
+2011-06-20 Bruno Haible <bruno@clisp.org>
+
+ Tests for module 'float'.
+ * modules/float-tests: New file.
+ * tests/test-float.c: New file.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ isinf: Coding style.
+ * lib/isinf.c: Use GNU coding style.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ linkat test: Avoid test failure on AIX 7.1.
+ * tests/test-linkat.c (main): Allow EINVAL as alternate error value.
+ * tests/test-link.h (test_link): Likewise.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ pread test: Avoid test failure on OpenBSD 4.9.
+ * tests/test-pread.c (main): Allow EFBIG instead of EINBAL.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ sprintf-posix: Fix test failure on AIX 7.1.
+ * m4/printf.m4 (gl_PRINTF_PRECISION): Test against AIX bug.
+ * doc/posix-functions/dprintf.texi: Mention limited precision problem
+ on AIX.
+ * doc/posix-functions/fprintf.texi: Likewise.
+ * doc/posix-functions/printf.texi: Likewise.
+ * doc/posix-functions/snprintf.texi: Likewise.
+ * doc/posix-functions/sprintf.texi: Likewise.
+ * doc/posix-functions/vdprintf.texi: Likewise.
+ * doc/posix-functions/vfprintf.texi: Likewise.
+ * doc/posix-functions/vprintf.texi: Likewise.
+ * doc/posix-functions/vsnprintf.texi: Likewise.
+ * doc/posix-functions/vsprintf.texi: Likewise.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ roundl-ieee: Fix test failure on AIX 7.1.
+ * m4/roundl.m4 (gl_FUNC_ROUNDL): Test also the sign of roundl (-0.3L).
+ * doc/posix-functions/roundl.texi: Mention problem with negative
+ arguments.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ round-ieee: Fix test failures on AIX 7.1 and OSF/1 5.1.
+ * modules/round-ieee (Depends-on): Add floor-ieee, ceil-ieee.
+ * doc/posix-functions/round.texi: Mention problem with negative
+ arguments.
+ * doc/posix-functions/ceil.texi: Mention problem on OSF/1 5.1.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ roundf-ieee: Fix test failures on AIX 7.1 and OSF/1 5.1.
+ * m4/roundf.m4 (gl_FUNC_ROUNDF): Test also the sign of roundf (-0.3f).
+ * modules/roundf-ieee (Depends-on): Add floorf-ieee, ceilf-ieee.
+ * doc/posix-functions/roundf.texi: Mention problem with negative
+ arguments.
+ * doc/posix-functions/ceilf.texi: Mention problem on OSF/1 5.1.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ ceilf-ieee: Work around bug on MacOS X 10.5.
+ * doc/posix-functions/ceilf.texi: Mention the MacOS X 10.5 problem.
+
+ floor*-ieee, ceil*-ieee, trunc*-ieee, round*-ieee: More robust checks.
+ * m4/floorf.m4 (gl_FUNC_FLOORF): In the test whether the function is
+ IEEE compliant, avoid compiler optimizations.
+ * m4/floor.m4 (gl_FUNC_FLOOR): Likewise.
+ * m4/ceilf.m4 (gl_FUNC_CEILF): Likewise.
+ * m4/ceil.m4 (gl_FUNC_CEIL): Likewise.
+ * m4/ceill.m4 (gl_FUNC_CEILL): Likewise.
+ * m4/truncf.m4 (gl_FUNC_TRUNCF): Likewise.
+ * m4/trunc.m4 (gl_FUNC_TRUNC): Likewise.
+ * m4/truncl.m4 (gl_FUNC_TRUNCL): Likewise.
+ * m4/roundf.m4 (gl_FUNC_ROUNDF): Likewise.
+ * m4/round.m4 (gl_FUNC_ROUND): Likewise.
+ * m4/roundl.m4 (gl_FUNC_ROUNDL): Likewise.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ ceilf-ieee: Work around bug on AIX 7.1.
+ * m4/ceilf.m4 (gl_FUNC_CEILF): Test also the sign of ceilf (-0.3f).
+ * doc/posix-functions/ceilf.texi: Mention the AIX 7.1 problem.
+
+2011-06-19 Bruno Haible <bruno@clisp.org>
+
+ ceil-ieee: Work around bug on AIX 7.1.
+ * m4/ceil.m4 (gl_FUNC_CEIL): Test also the sign of ceil (-0.3).
+ * doc/posix-functions/ceil.texi: Mention the AIX 7.1 problem.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ fsync test: Avoid test failure on MacOS X and AIX.
+ * tests/test-fsync.c (fsync): Allow ENOTSUP and EBADF instead of
+ EINVAL.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ openat, fdopendir tests: Fix link errors.
+ * modules/openat-tests (Depends-on): Add progname.
+ * modules/fdopendir-tests (Depends-on): Likewise.
+ * tests/test-fchownat.c: Include progname.h.
+ (main): Call set_program_name.
+ * tests/test-fstatat.c: Include progname.h.
+ (main): Call set_program_name.
+ * tests/test-mkdirat.c: Include progname.h.
+ (main): Call set_program_name.
+ * tests/test-openat.c: Include progname.h.
+ (main): Call set_program_name.
+ * tests/test-unlinkat.c: Include progname.h.
+ (main): Call set_program_name.
+ * tests/test-fdopendir.c: Include progname.h.
+ (main): Call set_program_name.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ Doc update.
+ * doc/posix-functions/pthread_attr_getstack.texi: Update info regarding
+ HP-UX.
+ * doc/posix-functions/pthread_attr_setstack.texi: Likewise.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ getcwd tests: Avoid compilation error on HP-UX 11.31.
+ * modules/getcwd-tests (Depends-on): Add pathmax.
+ * tests/test-getcwd.c: Include pathmax.h.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ isfinite, isinf: Fix link error on AIX 6 and 7.
+ * m4/isfinite.m4 (gl_ISFINITE): When determining whether libm is
+ needed, also test the macro with a 'float' argument.
+ * m4/isinf.m4 (gl_ISINF): Likewise.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ getloadavg: Don't clobber LIBS. Regression from previous commit.
+ * m4/getloadavg.m4 (gl_PREREQ_GETLOADAVG): Move tests that use
+ AC_CHECK_LIB from here...
+ (gl_GETLOADAVG): ... to here, inside the experiment with LIBS.
+ (gl_GETLOADAVG, gl_PREREQ_GETLOADAVG): Rename gl_have_func to
+ gl_func_getloadavg_done.
+ Reported by Tom G. Christensen <tgc@jupiterrise.com>.
+
+2011-06-18 Bruno Haible <bruno@clisp.org>
+
+ clean-temp: Improve documentation.
+ * lib/clean-temp.h: Explain better how to use this module.
+ Reported by John Darrington <john@darrington.wattle.id.au>.
+
+2011-06-17 Bruno Haible <bruno@clisp.org>
+
+ pread, pwrite: Avoid cc warning on AIX.
+ * lib/unistd.in.h (pread): Undefine before defining as a macro.
+ (pwrite): Likewise.
+
2011-06-17 Bruno Haible <bruno@clisp.org>
spawn-pipe tests: Fix link error.