add gnulib modules

* bootstrap.conf: Add gnulib modules and build libgreputils.a.
* configure.ac: Remove macros subsumed by gnulib.
* lib/Makefile.am: Remove files subsumed by gnulib.
* lib/alloca.c: Remove.
* lib/atexit.c: Remove.
* lib/error.c: Remove.
* lib/error.h: Remove.
* lib/fnmatch.c: Remove.
* lib/fnmatch.h: Remove.
* lib/getopt.c: Remove.
* lib/getopt.h: Remove.
* lib/getopt1.c: Remove.
* lib/gettext.h: Remove.
* lib/malloc.c: Remove.
* lib/memchr.c: Remove.
* lib/obstack.c: Remove.
* lib/obstack.h: Remove.
* lib/quotearg.c: Remove.
* lib/quotearg.h: Remove.
* lib/realloc.c: Remove.
* lib/stpcpy.c: Remove.
* lib/strtol.c: Remove.
* lib/strtoul.c: Remove.
* lib/strtoull.c: Remove.
* lib/xalloc.h: Remove.
* lib/xmalloc.c: Remove.
* lib/xstrtol.c: Remove.
* lib/xstrtol.h: Remove.
* lib/xstrtoumax.c: Remove.
* m4/error.m4: Remove.
* m4/inttypes_h.m4: Remove.
* m4/malloc.m4: Remove.
* m4/realloc.m4: Remove.
* m4/uintmax_t.m4: Remove.
* m4/ulonglong.m4: Remove.
* m4/xstrtoumax.m4: Remove.
* src/system.h: Remove strerror, sys_nerr, sys_errlist.

8 files changed, 49 insertions, 173 deletions

diff --git a/m4/.gitignore b/m4/.gitignore
index 62c3b1e6..b0d63087 100644
--- a/m4/.gitignore
+++ b/m4/.gitignore
@@ -1,5 +1,15 @@
 00gnulib.m4
+alloca.m4
+atexit.m4
+btowc.m4
 codeset.m4
+errno_h.m4
+error.m4
+exitfail.m4
+extensions.m4
+fcntl_h.m4
+fnmatch.m4
+getopt.m4
 gettext.m4
 glibc2.m4
 glibc21.m4
@@ -8,26 +18,65 @@ gnulib-common.m4
 gnulib-comp.m4
 gnulib-tool.m4
 iconv.m4
+include_next.m4
+inline.m4
 intdiv0.m4
 intl.m4
 intldir.m4
 intlmacosx.m4
 intmax.m4
 inttypes-pri.m4
+inttypes.m4
+inttypes_h.m4
 lcmessage.m4
 lib-ld.m4
 lib-link.m4
 lib-prefix.m4
+localcharset.m4
+locale-fr.m4
+locale-ja.m4
+locale-zh.m4
 lock.m4
 longlong.m4
+malloc.m4
+mbrtowc.m4
+mbsinit.m4
+mbsrtowcs.m4
+memchr.m4
+mmap-anon.m4
+multiarch.m4
 nls.m4
 onceonly.m4
 po.m4
 printf-posix.m4
 progtest.m4
+quotearg.m4
+realloc.m4
+regex.m4
 size_max.m4
+ssize_t.m4
+stdbool.m4
+stddef_h.m4
+stdint.m4
 stdint_h.m4
+stdlib_h.m4
+stpcpy.m4
+strerror.m4
+string_h.m4
+strtoimax.m4
+strtol.m4
+strtoll.m4
+strtoul.m4
+strtoull.m4
+strtoumax.m4
+threadlib.m4
+unistd_h.m4
 visibility.m4
+wchar.m4
 wchar_t.m4
+wcrtomb.m4
+wctype.m4
 wint_t.m4
+xalloc.m4
 xsize.m4
+xstrtol.m4
diff --git a/m4/error.m4 b/m4/error.m4
deleted file mode 100644
index cbf00426..00000000
--- a/m4/error.m4
+++ /dev/null
@@ -1,11 +0,0 @@
-#serial 1
-
-dnl FIXME: put these prerequisite-only *.m4 files in a separate
-dnl directory -- otherwise, they'll conflict with existing files.
-
-dnl These are the prerequisite macros for GNU's error.c file.
-AC_DEFUN([jm_PREREQ_ERROR],
-[
-  AC_CHECK_FUNCS(strerror strerror_r vprintf doprnt)
-  AC_HEADER_STDC
-])
diff --git a/m4/inttypes_h.m4 b/m4/inttypes_h.m4
deleted file mode 100644
index 6b046bb1..00000000
--- a/m4/inttypes_h.m4
+++ /dev/null
@@ -1,22 +0,0 @@
-#serial 3
-
-dnl From Paul Eggert.
-
-# Define HAVE_INTTYPES_H if <inttypes.h> exists,
-# doesn't clash with <sys/types.h>, and declares uintmax_t.
-
-AC_DEFUN([jm_AC_HEADER_INTTYPES_H],
-[
-  AC_CACHE_CHECK([for inttypes.h], jm_ac_cv_header_inttypes_h,
-  [AC_TRY_COMPILE(
-    [#include <sys/types.h>
-#include <inttypes.h>],
-    [uintmax_t i = (uintmax_t) -1;],
-    jm_ac_cv_header_inttypes_h=yes,
-    jm_ac_cv_header_inttypes_h=no)])
-  if test $jm_ac_cv_header_inttypes_h = yes; then
-    AC_DEFINE_UNQUOTED(HAVE_INTTYPES_H, 1,
-[Define if <inttypes.h> exists, doesn't clash with <sys/types.h>,
-   and declares uintmax_t. ])
-  fi
-])
diff --git a/m4/malloc.m4 b/m4/malloc.m4
deleted file mode 100644
index bc43b607..00000000
--- a/m4/malloc.m4
+++ /dev/null
@@ -1,34 +0,0 @@
-#serial 3
-
-dnl From Jim Meyering.
-dnl Determine whether malloc accepts 0 as its argument.
-dnl If it doesn't, arrange to use the replacement function.
-dnl
-
-AC_DEFUN([jm_FUNC_MALLOC],
-[
- dnl xmalloc.c requires that this symbol be defined so it doesn't
- dnl mistakenly use a broken malloc -- as it might if this test were omitted.
- AC_DEFINE_UNQUOTED(HAVE_DONE_WORKING_MALLOC_CHECK, 1,
-                    [Define if the malloc check has been performed. ])
-
- AC_CACHE_CHECK([for working malloc], jm_cv_func_working_malloc,
-  [AC_TRY_RUN([
-    char *malloc ();
-    int
-    main ()
-    {
-      exit (malloc (0) ? 0 : 1);
-    }
-	  ],
-	 jm_cv_func_working_malloc=yes,
-	 jm_cv_func_working_malloc=no,
-	 dnl When crosscompiling, assume malloc is broken.
-	 jm_cv_func_working_malloc=no)
-  ])
-  if test $jm_cv_func_working_malloc = no; then
-    AC_LIBOBJ(malloc)
-    AC_DEFINE_UNQUOTED(malloc, rpl_malloc,
-      [Define to rpl_malloc if the replacement function should be used.])
-  fi
-])
diff --git a/m4/realloc.m4 b/m4/realloc.m4
deleted file mode 100644
index d40a048b..00000000
--- a/m4/realloc.m4
+++ /dev/null
@@ -1,34 +0,0 @@
-#serial 3
-
-dnl From Jim Meyering.
-dnl Determine whether realloc works when both arguments are 0.
-dnl If it doesn't, arrange to use the replacement function.
-dnl
-
-AC_DEFUN([jm_FUNC_REALLOC],
-[
- dnl xmalloc.c requires that this symbol be defined so it doesn't
- dnl mistakenly use a broken realloc -- as it might if this test were omitted.
- AC_DEFINE_UNQUOTED(HAVE_DONE_WORKING_REALLOC_CHECK, 1,
-                    [Define if the realloc check has been performed. ])
-
- AC_CACHE_CHECK([for working realloc], jm_cv_func_working_realloc,
-  [AC_TRY_RUN([
-    char *realloc ();
-    int
-    main ()
-    {
-      exit (realloc (0, 0) ? 0 : 1);
-    }
-	  ],
-	 jm_cv_func_working_realloc=yes,
-	 jm_cv_func_working_realloc=no,
-	 dnl When crosscompiling, assume realloc is broken.
-	 jm_cv_func_working_realloc=no)
-  ])
-  if test $jm_cv_func_working_realloc = no; then
-    AC_LIBOBJ(realloc)
-    AC_DEFINE_UNQUOTED(realloc, rpl_realloc,
-      [Define to rpl_realloc if the replacement function should be used.])
-  fi
-])
diff --git a/m4/uintmax_t.m4 b/m4/uintmax_t.m4
deleted file mode 100644
index c3e8ecf6..00000000
--- a/m4/uintmax_t.m4
+++ /dev/null
@@ -1,21 +0,0 @@
-#serial 5
-
-dnl From Paul Eggert.
-
-
-# Define uintmax_t to `unsigned long' or `unsigned long long'
-# if <inttypes.h> does not exist.
-
-AC_DEFUN([jm_AC_TYPE_UINTMAX_T],
-[AC_PREREQ(2.13)dnl
-  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])dnl
-  if test $jm_ac_cv_header_inttypes_h = no; then
-    AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
-    test $ac_cv_type_unsigned_long_long = yes \
-      && ac_type='unsigned long long' \
-      || ac_type='unsigned long'
-    AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
-[  Define to unsigned long or unsigned long long
-   if <inttypes.h> doesn't define.])
-  fi
-])
diff --git a/m4/ulonglong.m4 b/m4/ulonglong.m4
deleted file mode 100644
index 51fc4181..00000000
--- a/m4/ulonglong.m4
+++ /dev/null
@@ -1,17 +0,0 @@
-#serial 2
-
-dnl From Paul Eggert.
-
-AC_DEFUN([jm_AC_TYPE_UNSIGNED_LONG_LONG],
-[
-  AC_CACHE_CHECK([for unsigned long long], ac_cv_type_unsigned_long_long,
-  [AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
-    [unsigned long long ullmax = (unsigned long long) -1;
-     return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
-    ac_cv_type_unsigned_long_long=yes,
-    ac_cv_type_unsigned_long_long=no)])
-  if test $ac_cv_type_unsigned_long_long = yes; then
-    AC_DEFINE(HAVE_UNSIGNED_LONG_LONG, 1,
-      [Define if you have the unsigned long long type.])
-  fi
-])
diff --git a/m4/xstrtoumax.m4 b/m4/xstrtoumax.m4
deleted file mode 100644
index 9bbcec7e..00000000
--- a/m4/xstrtoumax.m4
+++ /dev/null
@@ -1,34 +0,0 @@
-#serial 2
-
-# autoconf tests required for use of xstrtoumax.c
-
-AC_DEFUN([jm_AC_PREREQ_XSTRTOUMAX],
-[
-  AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
-  AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
-  AC_CHECK_HEADERS(stdlib.h)
-
-  AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
-    jm_cv_func_strtoumax_macro,
-    AC_EGREP_CPP([inttypes_h_defines_strtoumax], [#include <inttypes.h>
-#ifdef strtoumax
- inttypes_h_defines_strtoumax
-#endif],
-      jm_cv_func_strtoumax_macro=yes,
-      jm_cv_func_strtoumax_macro=no))
-
-  if test "$jm_cv_func_strtoumax_macro" != yes; then
-    AC_REPLACE_FUNCS(strtoumax)
-  fi
-
-  dnl We don't need (and can't compile) the replacement strtoull
-  dnl unless the type `unsigned long long' exists.
-  dnl Also, only the replacement strtoumax invokes strtoull,
-  dnl so we need the replacement strtoull only if strtoumax does not exist.
-  case "$ac_cv_type_unsigned_long_long,$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in
-    yes,no,no)
-      AC_REPLACE_FUNCS(strtoull)
-      ;;
-  esac
-
-])