* aclocal.m4 (libiberty_AC_DECLARE_ERRNO): New macro. * configure.in (libiberty_AC_DECLARE_ERRNO): Add check. * configure, config.in: Regenerate. * pexecute.c, strtol.c, strtoul.c: Declare errno if necessary. From-SVN: r35199
* aclocal.m4: New file with new test libiberty_AC_FUNC_STRNCMP. * configure.in (AC_CHECK_HEADERS): Add sys/mman.h fcntl.h. (libiberty_AC_FUNC_STRNCMP): Invoke. * strncmp.c: New file. From-SVN: r33498