strerror_r: avoid corrupting errno on Solaris

[pspp] / ChangeLog

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+2011-05-20  Eric Blake  <eblake@redhat.com>
+
+       strerror_r: avoid corrupting errno on Solaris
+       * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Check for Solaris behavior.
+       * doc/posix-functions/strerror_r.texi (strerror_r): Document it.
+
+       strerror_r: avoid compiler warning
+       * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Don't return a char*.
+
+       strerror_r: simplify AIX code
+       * lib/strerror_r.c (strerror_r): Filter out buflen of 1 up front.
+
+       test-perror: avoid spurious failure on FreeBSD
+       * modules/perror-tests (Depends-on): Add strerror, now that
+       strerror_r no longer pulls it in.
+
+2011-05-20  Bruno Haible  <bruno@clisp.org>
+
+       strerror_r-posix: Remove unused dependencies.
+       * modules/strerror_r-posix (Depends-on): Remove strerror.
+       Reported by Eric Blake.
+
+2011-05-20  Paul Eggert  <eggert@cs.ucla.edu>
+
+       intprops: remove assumption about A|B representation
+       * lib/intprops.h (_GL_BINARY_OP_OVERFLOW): Do not assume that A|B
+       is a valid integer if both A and B are.  Although this is true for
+       all known practical hosts, the C standard doesn't guarantee it,
+       and the code need not assume it.  Also, this change may work around
+       HP-UX 11.23 and IRIX 6.5 cc bugs reported by Bruno Haible in
+       <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00426.html>.
+
+2011-05-20  Eric Blake  <eblake@redhat.com>
+
+       perror: work around FreeBSD bug
+       * m4/perror.m4 (gl_FUNC_PERROR): Also replace perror if strerror_r
+       is broken.  Move AC_LIBOBJ...
+       * modules/perror (configure.ac): Here.
+       * doc/posix-functions/perror.texi (perror): Document this.
+       * tests/test-perror2.c (main): Enhance test.
+
+       test-perror: check for strerror interactions
+       * tests/macros.h (STREQ) Add macro.
+       * modules/perror-tests (Files): Add second test.
+       * tests/test-perror2.c (main): New file.
+       * doc/posix-functions/perror.texi (perror): Document glibc bug.
+
+       test-perror: rewrite to use init script
+       * modules/perror-tests (Files): Add init.sh.
+       * tests/test-perror.sh: Use temporary directory.
+
 2011-05-20  Jim Meyering  <meyering@redhat.com>
 
        maint: replace misused "a" with "an"