strerror_r: Fix comments.

[pspp] / ChangeLog

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+2011-05-21  Bruno Haible  <bruno@clisp.org>
+
+       strerror_r: Fix comments.
+       * lib/strerror_r.c (strerror_r): Fix comment about Cygwin and sys_nerr.
+
+2011-05-21  Bruno Haible  <bruno@clisp.org>
+
+       relocatable-prog-wrapper: Fix possible link error.
+       * m4/setenv.m4 (gl_FUNC_SETENV_SEPARATE): Move determination of
+       HAVE_SETENV and REPLACE_SETENV and AC_LIBOBJ invocation from here...
+       (gl_FUNC_SETENV): ... to here.
+       * m4/canonicalize.m4 (gl_CANONICALIZE_LGPL_SEPARATE): Update comment.
+       * m4/readlink.m4 (gl_FUNC_READLINK_SEPARATE): Likewise.
+
+2011-05-21  Bruno Haible  <bruno@clisp.org>
+
+       relocatable-prog-wrapper: Assume strerror() exists.
+       * modules/relocatable-prog-wrapper (Files): Remove lib/strerror.c,
+       m4/strerror.m4.
+       (configure.ac): Don't invoke gl_FUNC_STRERROR_SEPARATE.
+       * lib/relocwrapper.c: Remove mention of strerror module.
+       * lib/strerror.c: Assume REPLACE_STRERROR is 1.
+       * m4/strerror.m4 (gl_FUNC_STRERROR_SEPARATE): Remove macro.
+       (gl_FUNC_STRERROR): Inline it here. Don't define REPLACE_STRERROR as a
+       C macro.
+
 2011-05-21  Bruno Haible  <bruno@clisp.org>
 
        select: Simplify replacement idiom.