+2010-09-29 Bruno Haible <bruno@clisp.org>
+
+ Separate the module 'waitpid' from the module 'sys_wait'.
+ * lib/sys_wait.in.h (waitpid): Declare only if the 'waitpid' module is
+ present.
+ * m4/sys_wait_h.m4 (gl_SYS_WAIT_MODULE_INDICATOR): Invoke
+ gl_MODULE_INDICATOR_FOR_TESTS.
+ (gl_SYS_WAIT_H_DEFAULTS): Initialize GNULIB_WAITPID.
+ * modules/sys_wait (Depends-on): Remove waitpid.
+ (Makefile.am): Substitute GNULIB_WAITPID.
+ * modules/waitpid (configure.ac): Invoke gl_SYS_WAIT_MODULE_INDICATOR.
+ * tests/test-sys_wait-c++.cc (GNULIB_NAMESPACE::waitpid): Check the
+ signature only if the 'waitpid' module is present.
+ * doc/posix-functions/waitpid.texi: Mention the 'waitpid' module.
+ * NEWS: Mention the change.
+ * modules/grantpt (Depends-on): Add waitpid.
+ * modules/wait-process (Depends-on): Likewise.
+