Import crypto/md5 module from gnulib.

* Makefile.in (MAKEFILE_MODULES): Add crypto/md5.
* admin/notes/copyright: Remove src/md5.c and src/md5.h as
special cases.
* src/Makefile.in (base_obj): Remove md5.o, since this file
is in lib now.
* src/deps.mk (md5.o): Remove.
* aclocal.m4, configure, lib/Makefile.in, lib/gnulib.mk, m4/gl-comp.m4:
Regenerate.
* lib/md5.c: Regenerate.  This renames the file from src/md5.c,
and adds some porting improvements from gnulib.
* lib/md5.h: Regenerate, likwise; rename from src/md5.h.
* m4/md5.m4: New file, from gnulib.

2011-02-18  Paul Eggert  <eggert@cs.ucla.edu>

1 files changed, 287 insertions, 42 deletions

diff --git a/configure b/configure
index a9cec714412..1b6e31b3b09 100755
--- a/configure
+++ b/configure
@@ -5881,6 +5881,7 @@ $as_echo "$ac_cv_safe_to_define___extensions__" >&6; }
 
   # Code from module arg-nonnull:
   # Code from module c++defs:
+  # Code from module crypto/md5:
   # Code from module dtoastr:
   # Code from module extensions:
 
@@ -13201,6 +13202,274 @@ fi
   export LIBC_FATAL_STDERR_
 
 
+   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
+$as_echo_n "checking whether byte ordering is bigendian... " >&6; }
+if ${ac_cv_c_bigendian+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_c_bigendian=unknown
+    # See if we're dealing with a universal compiler.
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifndef __APPLE_CC__
+               not a universal capable compiler
+             #endif
+             typedef int dummy;
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+        # Check for potential -arch flags.  It is not universal unless
+        # there are at least two -arch flags with different values.
+        ac_arch=
+        ac_prev=
+        for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do
+         if test -n "$ac_prev"; then
+           case $ac_word in
+             i?86 | x86_64 | ppc | ppc64)
+               if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then
+                 ac_arch=$ac_word
+               else
+                 ac_cv_c_bigendian=universal
+                 break
+               fi
+               ;;
+           esac
+           ac_prev=
+         elif test "x$ac_word" = "x-arch"; then
+           ac_prev=arch
+         fi
+       done
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    if test $ac_cv_c_bigendian = unknown; then
+      # See if sys/param.h defines the BYTE_ORDER macro.
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+             #include <sys/param.h>
+
+int
+main ()
+{
+#if ! (defined BYTE_ORDER && defined BIG_ENDIAN \
+                     && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \
+                     && LITTLE_ENDIAN)
+              bogus endian macros
+             #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  # It does; now see whether it defined to BIG_ENDIAN or not.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sys/types.h>
+                #include <sys/param.h>
+
+int
+main ()
+{
+#if BYTE_ORDER != BIG_ENDIAN
+                 not big endian
+                #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_bigendian=yes
+else
+  ac_cv_c_bigendian=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    fi
+    if test $ac_cv_c_bigendian = unknown; then
+      # See if <limits.h> defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris).
+      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+
+int
+main ()
+{
+#if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN)
+              bogus endian macros
+             #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  # It does; now see whether it defined to _BIG_ENDIAN or not.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+
+int
+main ()
+{
+#ifndef _BIG_ENDIAN
+                 not big endian
+                #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_bigendian=yes
+else
+  ac_cv_c_bigendian=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+    fi
+    if test $ac_cv_c_bigendian = unknown; then
+      # Compile a test program.
+      if test "$cross_compiling" = yes; then :
+  # Try to guess by grepping values from an object file.
+         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+short int ascii_mm[] =
+                  { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 };
+                short int ascii_ii[] =
+                  { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 };
+                int use_ascii (int i) {
+                  return ascii_mm[i] + ascii_ii[i];
+                }
+                short int ebcdic_ii[] =
+                  { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 };
+                short int ebcdic_mm[] =
+                  { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 };
+                int use_ebcdic (int i) {
+                  return ebcdic_mm[i] + ebcdic_ii[i];
+                }
+                extern int foo;
+
+int
+main ()
+{
+return use_ascii (foo) == use_ebcdic (foo);
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then
+              ac_cv_c_bigendian=yes
+            fi
+            if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then
+              if test "$ac_cv_c_bigendian" = unknown; then
+                ac_cv_c_bigendian=no
+              else
+                # finding both strings is unlikely to happen, but who knows?
+                ac_cv_c_bigendian=unknown
+              fi
+            fi
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+$ac_includes_default
+int
+main ()
+{
+
+             /* Are we little or big endian?  From Harbison&Steele.  */
+             union
+             {
+               long int l;
+               char c[sizeof (long int)];
+             } u;
+             u.l = 1;
+             return u.c[sizeof (long int) - 1] == 1;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  ac_cv_c_bigendian=no
+else
+  ac_cv_c_bigendian=yes
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+    fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5
+$as_echo "$ac_cv_c_bigendian" >&6; }
+ case $ac_cv_c_bigendian in #(
+   yes)
+     $as_echo "#define WORDS_BIGENDIAN 1" >>confdefs.h
+;; #(
+   no)
+      ;; #(
+   universal)
+
+$as_echo "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h
+
+     ;; #(
+   *)
+     as_fn_error $? "unknown endianness
+ presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;;
+ esac
+
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
+$as_echo_n "checking for inline... " >&6; }
+if ${ac_cv_c_inline+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_cv_c_inline=no
+for ac_kw in inline __inline__ __inline; do
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#ifndef __cplusplus
+typedef int foo_t;
+static $ac_kw foo_t static_foo () {return 0; }
+$ac_kw foo_t foo () {return 0; }
+#endif
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_c_inline=$ac_kw
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  test "$ac_cv_c_inline" != no && break
+done
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
+$as_echo "$ac_cv_c_inline" >&6; }
+
+case $ac_cv_c_inline in
+  inline | yes) ;;
+  *)
+    case $ac_cv_c_inline in
+      no) ac_val=;;
+      *) ac_val=$ac_cv_c_inline;;
+    esac
+    cat >>confdefs.h <<_ACEOF
+#ifndef __cplusplus
+#define inline $ac_val
+#endif
+_ACEOF
+    ;;
+esac
+
+
   { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether strtold conforms to C99" >&5
 $as_echo_n "checking whether strtold conforms to C99... " >&6; }
 if ${gl_cv_func_c99_strtold+:} false; then :
@@ -13964,48 +14233,6 @@ $as_echo "#define __GETOPT_PREFIX rpl_" >>confdefs.h
 fi
 
 
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for inline" >&5
-$as_echo_n "checking for inline... " >&6; }
-if ${ac_cv_c_inline+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  ac_cv_c_inline=no
-for ac_kw in inline __inline__ __inline; do
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h.  */
-#ifndef __cplusplus
-typedef int foo_t;
-static $ac_kw foo_t static_foo () {return 0; }
-$ac_kw foo_t foo () {return 0; }
-#endif
-
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
-  ac_cv_c_inline=$ac_kw
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-  test "$ac_cv_c_inline" != no && break
-done
-
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
-$as_echo "$ac_cv_c_inline" >&6; }
-
-case $ac_cv_c_inline in
-  inline | yes) ;;
-  *)
-    case $ac_cv_c_inline in
-      no) ac_val=;;
-      *) ac_val=$ac_cv_c_inline;;
-    esac
-    cat >>confdefs.h <<_ACEOF
-#ifndef __cplusplus
-#define inline $ac_val
-#endif
-_ACEOF
-    ;;
-esac
-
 
   GNULIB_MKTIME=0;
   GNULIB_NANOSLEEP=0;
@@ -14460,6 +14687,23 @@ fi
   gl_source_base='lib'
   # Code from module arg-nonnull:
   # Code from module c++defs:
+  # Code from module crypto/md5:
+
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS md5.$ac_objext"
+
+
+
+
+  :
+
   # Code from module dtoastr:
 
   # Code from module extensions:
@@ -17861,6 +18105,7 @@ if test -z "${GL_COND_LIBTOOL_TRUE}" && test -z "${GL_COND_LIBTOOL_FALSE}"; then
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
 
+
     gl_libobjs=
     gl_ltlibobjs=
     if test -n "$gl_LIBOBJS"; then