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changeset 7796:1eae086746a0

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Move module indicator macros from *.m4 files to the module descriptions.
author Bruno Haible <bruno@clisp.org>
date Mon, 08 Jan 2007 20:48:03 +0000
parents ba03072b3113
children 10432bdf90d3
files lib/gc-gnulib.c lib/gc-libgcrypt.c m4/gc-arcfour.m4 m4/gc-arctwo.m4 m4/gc-des.m4 m4/gc-hmac-md5.m4 m4/gc-hmac-sha1.m4 m4/gc-md2.m4 m4/gc-md4.m4 m4/gc-md5.m4 m4/gc-random.m4 m4/gc-rijndael.m4 m4/gc-sha1.m4 modules/gc-arcfour modules/gc-arctwo modules/gc-des modules/gc-hmac-md5 modules/gc-hmac-sha1 modules/gc-md2 modules/gc-md4 modules/gc-md5 modules/gc-random modules/gc-rijndael modules/gc-sha1
diffstat 24 files changed, 112 insertions(+), 119 deletions(-) [+]
line wrap: on
line diff
--- a/lib/gc-gnulib.c
+++ b/lib/gc-gnulib.c
@@ -1,5 +1,5 @@
 /* gc-gnulib.c --- Common gnulib internal crypto interface functions
- * Copyright (C) 2002, 2003, 2004, 2005, 2006  Simon Josefsson
+ * Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007  Simon Josefsson
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published
@@ -29,7 +29,7 @@
 #include <string.h>
 
 /* For randomize. */
-#ifdef GC_USE_RANDOM
+#ifdef GNULIB_GC_RANDOM
 # include <unistd.h>
 # include <sys/types.h>
 # include <sys/stat.h>
@@ -38,33 +38,33 @@
 #endif
 
 /* Hashes. */
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 # include "md2.h"
 #endif
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
 # include "md4.h"
 #endif
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
 # include "md5.h"
 #endif
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
 # include "sha1.h"
 #endif
-#if defined(GC_USE_HMAC_MD5) || defined(GC_USE_HMAC_SHA1)
+#if defined(GNULIB_GC_HMAC_MD5) || defined(GNULIB_GC_HMAC_SHA1)
 # include "hmac.h"
 #endif
 
 /* Ciphers. */
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
 # include "arcfour.h"
 #endif
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
 # include "arctwo.h"
 #endif
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
 # include "des.h"
 #endif
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
 # include "rijndael-api-fst.h"
 #endif
 
@@ -80,7 +80,7 @@
   return;
 }
 
-#ifdef GC_USE_RANDOM
+#ifdef GNULIB_GC_RANDOM
 
 /* Randomness. */
 
@@ -174,17 +174,17 @@
 typedef struct _gc_cipher_ctx {
   Gc_cipher alg;
   Gc_cipher_mode mode;
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
   arctwo_context arctwoContext;
   char arctwoIV[ARCTWO_BLOCK_SIZE];
 #endif
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
   arcfour_context arcfourContext;
 #endif
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
   des_ctx desContext;
 #endif
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
   rijndaelKeyInstance aesEncKey;
   rijndaelKeyInstance aesDecKey;
   rijndaelCipherInstance aesContext;
@@ -207,7 +207,7 @@
 
   switch (alg)
     {
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
     case GC_ARCTWO40:
       switch (mode)
 	{
@@ -221,7 +221,7 @@
       break;
 #endif
 
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
     case GC_ARCFOUR128:
     case GC_ARCFOUR40:
       switch (mode)
@@ -235,7 +235,7 @@
       break;
 #endif
 
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
     case GC_DES:
       switch (mode)
 	{
@@ -248,7 +248,7 @@
       break;
 #endif
 
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
     case GC_AES128:
     case GC_AES192:
     case GC_AES256:
@@ -283,20 +283,20 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
     case GC_ARCTWO40:
       arctwo_setkey (&ctx->arctwoContext, keylen, key);
       break;
 #endif
 
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
     case GC_ARCFOUR128:
     case GC_ARCFOUR40:
       arcfour_setkey (&ctx->arcfourContext, key, keylen);
       break;
 #endif
 
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
     case GC_DES:
       if (keylen != 8)
 	return GC_INVALID_CIPHER;
@@ -304,7 +304,7 @@
       break;
 #endif
 
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
     case GC_AES128:
     case GC_AES192:
     case GC_AES256:
@@ -347,7 +347,7 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
     case GC_ARCTWO40:
       if (ivlen != ARCTWO_BLOCK_SIZE)
 	return GC_INVALID_CIPHER;
@@ -355,7 +355,7 @@
       break;
 #endif
 
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
     case GC_AES128:
     case GC_AES192:
     case GC_AES256:
@@ -401,7 +401,7 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
     case GC_ARCTWO40:
       switch (ctx->mode)
 	{
@@ -428,21 +428,21 @@
       break;
 #endif
 
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
     case GC_ARCFOUR128:
     case GC_ARCFOUR40:
       arcfour_stream (&ctx->arcfourContext, data, data, len);
       break;
 #endif
 
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
     case GC_DES:
       for (; len >= 8; len -= 8, data += 8)
 	des_ecb_encrypt (&ctx->desContext, data, data);
       break;
 #endif
 
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
     case GC_AES128:
     case GC_AES192:
     case GC_AES256:
@@ -471,7 +471,7 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_ARCTWO
+#ifdef GNULIB_GC_ARCTWO
     case GC_ARCTWO40:
       switch (ctx->mode)
 	{
@@ -500,21 +500,21 @@
       break;
 #endif
 
-#ifdef GC_USE_ARCFOUR
+#ifdef GNULIB_GC_ARCFOUR
     case GC_ARCFOUR128:
     case GC_ARCFOUR40:
       arcfour_stream (&ctx->arcfourContext, data, data, len);
       break;
 #endif
 
-#ifdef GC_USE_DES
+#ifdef GNULIB_GC_DES
     case GC_DES:
       for (; len >= 8; len -= 8, data += 8)
 	des_ecb_decrypt (&ctx->desContext, data, data);
       break;
 #endif
 
-#ifdef GC_USE_RIJNDAEL
+#ifdef GNULIB_GC_RIJNDAEL
     case GC_AES128:
     case GC_AES192:
     case GC_AES256:
@@ -555,16 +555,16 @@
   Gc_hash alg;
   Gc_hash_mode mode;
   char hash[MAX_DIGEST_SIZE];
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   struct md2_ctx md2Context;
 #endif
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
   struct md4_ctx md4Context;
 #endif
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
   struct md5_ctx md5Context;
 #endif
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
   struct sha1_ctx sha1Context;
 #endif
 } _gc_hash_ctx;
@@ -582,25 +582,25 @@
 
   switch (hash)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_init_ctx (&ctx->md2Context);
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       md4_init_ctx (&ctx->md4Context);
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       md5_init_ctx (&ctx->md5Context);
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       sha1_init_ctx (&ctx->sha1Context);
       break;
@@ -685,25 +685,25 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_process_bytes (data, len, &ctx->md2Context);
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       md4_process_bytes (data, len, &ctx->md4Context);
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       md5_process_bytes (data, len, &ctx->md5Context);
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       sha1_process_bytes (data, len, &ctx->sha1Context);
       break;
@@ -722,28 +722,28 @@
 
   switch (ctx->alg)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_finish_ctx (&ctx->md2Context, ctx->hash);
       ret = ctx->hash;
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       md4_finish_ctx (&ctx->md4Context, ctx->hash);
       ret = ctx->hash;
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       md5_finish_ctx (&ctx->md5Context, ctx->hash);
       ret = ctx->hash;
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       sha1_finish_ctx (&ctx->sha1Context, ctx->hash);
       ret = ctx->hash;
@@ -770,25 +770,25 @@
 {
   switch (hash)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_buffer (in, inlen, resbuf);
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       md4_buffer (in, inlen, resbuf);
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       md5_buffer (in, inlen, resbuf);
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       sha1_buffer (in, inlen, resbuf);
       break;
@@ -801,7 +801,7 @@
   return GC_OK;
 }
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 Gc_rc
 gc_md2 (const void *in, size_t inlen, void *resbuf)
 {
@@ -810,7 +810,7 @@
 }
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
 Gc_rc
 gc_md4 (const void *in, size_t inlen, void *resbuf)
 {
@@ -819,7 +819,7 @@
 }
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
 Gc_rc
 gc_md5 (const void *in, size_t inlen, void *resbuf)
 {
@@ -828,7 +828,7 @@
 }
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
 Gc_rc
 gc_sha1 (const void *in, size_t inlen, void *resbuf)
 {
@@ -837,7 +837,7 @@
 }
 #endif
 
-#ifdef GC_USE_HMAC_MD5
+#ifdef GNULIB_GC_HMAC_MD5
 Gc_rc
 gc_hmac_md5 (const void *key, size_t keylen,
 	     const void *in, size_t inlen, char *resbuf)
@@ -847,7 +847,7 @@
 }
 #endif
 
-#ifdef GC_USE_HMAC_SHA1
+#ifdef GNULIB_GC_HMAC_SHA1
 Gc_rc
 gc_hmac_sha1 (const void *key, size_t keylen,
 	      const void *in, size_t inlen, char *resbuf)
--- a/lib/gc-libgcrypt.c
+++ b/lib/gc-libgcrypt.c
@@ -1,5 +1,5 @@
 /* gc-libgcrypt.c --- Crypto wrappers around Libgcrypt for GC.
- * Copyright (C) 2002, 2003, 2004, 2005, 2006  Simon Josefsson
+ * Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007  Simon Josefsson
  *
  * This file is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published
@@ -30,7 +30,7 @@
 
 /* Get libgcrypt API. */
 #include <gcrypt.h>
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 # include "md2.h"
 #endif
 
@@ -63,7 +63,7 @@
   return;
 }
 
-#ifdef GC_USE_RANDOM
+#ifdef GNULIB_GC_RANDOM
 
 /* Randomness. */
 
@@ -230,7 +230,7 @@
   Gc_hash alg;
   Gc_hash_mode mode;
   gcry_md_hd_t gch;
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   char hash[GC_MD2_DIGEST_SIZE];
   struct md2_ctx md2Context;
 #endif
@@ -367,7 +367,7 @@
 gc_hash_hmac_setkey (gc_hash_handle handle, size_t len, const char *key)
 {
   _gc_hash_ctx *ctx = handle;
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg != GC_MD2)
 #endif
     gcry_md_setkey (ctx->gch, key, len);
@@ -378,7 +378,7 @@
 {
   _gc_hash_ctx *ctx = handle;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg == GC_MD2)
     md2_process_bytes (data, len, &ctx->md2Context);
   else
@@ -392,7 +392,7 @@
   _gc_hash_ctx *ctx = handle;
   const char *digest;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg == GC_MD2)
     {
       md2_finish_ctx (&ctx->md2Context, ctx->hash);
@@ -413,7 +413,7 @@
 {
   _gc_hash_ctx *ctx = handle;
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
   if (ctx->alg != GC_MD2)
 #endif
     gcry_md_close (ctx->gch);
@@ -428,32 +428,32 @@
 
   switch (hash)
     {
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
     case GC_MD2:
       md2_buffer (in, inlen, resbuf);
       return GC_OK;
       break;
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
     case GC_MD4:
       gcryalg = GCRY_MD_MD4;
       break;
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
     case GC_MD5:
       gcryalg = GCRY_MD_MD5;
       break;
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
     case GC_SHA1:
       gcryalg = GCRY_MD_SHA1;
       break;
 #endif
 
-#ifdef GC_USE_RMD160
+#ifdef GNULIB_GC_RMD160
     case GC_RMD160:
       gcryalg = GCRY_MD_RMD160;
       break;
@@ -470,7 +470,7 @@
 
 /* One-call interface. */
 
-#ifdef GC_USE_MD2
+#ifdef GNULIB_GC_MD2
 Gc_rc
 gc_md2 (const void *in, size_t inlen, void *resbuf)
 {
@@ -479,7 +479,7 @@
 }
 #endif
 
-#ifdef GC_USE_MD4
+#ifdef GNULIB_GC_MD4
 Gc_rc
 gc_md4 (const void *in, size_t inlen, void *resbuf)
 {
@@ -511,7 +511,7 @@
 }
 #endif
 
-#ifdef GC_USE_MD5
+#ifdef GNULIB_GC_MD5
 Gc_rc
 gc_md5 (const void *in, size_t inlen, void *resbuf)
 {
@@ -543,7 +543,7 @@
 }
 #endif
 
-#ifdef GC_USE_SHA1
+#ifdef GNULIB_GC_SHA1
 Gc_rc
 gc_sha1 (const void *in, size_t inlen, void *resbuf)
 {
@@ -575,7 +575,7 @@
 }
 #endif
 
-#ifdef GC_USE_HMAC_MD5
+#ifdef GNULIB_GC_HMAC_MD5
 Gc_rc
 gc_hmac_md5 (const void *key, size_t keylen,
 	     const void *in, size_t inlen, char *resbuf)
@@ -615,7 +615,7 @@
 }
 #endif
 
-#ifdef GC_USE_HMAC_SHA1
+#ifdef GNULIB_GC_HMAC_SHA1
 Gc_rc
 gc_hmac_sha1 (const void *key, size_t keylen,
 	      const void *in, size_t inlen, char *resbuf)
--- a/m4/gc-arcfour.m4
+++ b/m4/gc-arcfour.m4
@@ -1,5 +1,5 @@
-# gc-arcfour.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-arcfour.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_ARCFOUR],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_ARCFOUR, 1,
-    [Define if you want to support ARCFOUR through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_ARCFOUR
   fi
--- a/m4/gc-arctwo.m4
+++ b/m4/gc-arctwo.m4
@@ -1,5 +1,5 @@
-# gc-arctwo.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-arctwo.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_ARCTWO],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_ARCTWO, 1,
-    [Define if you want to support ARCTWO through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_ARCTWO
   fi
--- a/m4/gc-des.m4
+++ b/m4/gc-des.m4
@@ -1,5 +1,5 @@
-# gc-des.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-des.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,7 +7,6 @@
 AC_DEFUN([gl_GC_DES],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_DES, 1, [Define if you want to support DES through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_DES
   fi
--- a/m4/gc-hmac-md5.m4
+++ b/m4/gc-hmac-md5.m4
@@ -1,5 +1,5 @@
-# gc-hmac-md5.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-hmac-md5.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_HMAC_MD5],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_HMAC_MD5, 1,
-    [Define if you want to support HMAC-MD5 through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_MD5
     gl_HMAC_MD5
--- a/m4/gc-hmac-sha1.m4
+++ b/m4/gc-hmac-sha1.m4
@@ -1,5 +1,5 @@
-# gc-hmac-sha1.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-hmac-sha1.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_HMAC_SHA1],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_HMAC_SHA1, 1,
-    [Define if you want to support HMAC-SHA1 through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_SHA1
     gl_HMAC_SHA1
--- a/m4/gc-md2.m4
+++ b/m4/gc-md2.m4
@@ -1,10 +1,9 @@
-# gc-md2.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-md2.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 AC_DEFUN([gl_GC_MD2],
 [
-  AC_DEFINE(GC_USE_MD2, 1, [Define if you want to support MD2 through GC.])
 ])
--- a/m4/gc-md4.m4
+++ b/m4/gc-md4.m4
@@ -1,5 +1,5 @@
-# gc-md4.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-md4.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,7 +7,6 @@
 AC_DEFUN([gl_GC_MD4],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_MD4, 1, [Define if you want to support MD4 through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_MD4
   fi
--- a/m4/gc-md5.m4
+++ b/m4/gc-md5.m4
@@ -1,5 +1,5 @@
-# gc-md5.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-md5.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,7 +7,6 @@
 AC_DEFUN([gl_GC_MD5],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_MD5, 1, [Define if you want to support MD5 through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_MD5
   fi
--- a/m4/gc-random.m4
+++ b/m4/gc-random.m4
@@ -1,5 +1,5 @@
-# gc-random.m4 serial 1
-dnl Copyright (C) 2005, 2006 Free Software Foundation, Inc.
+# gc-random.m4 serial 2
+dnl Copyright (C) 2005-2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -84,6 +84,4 @@
                    [defined to the name of the pseudo random device])
   AC_DEFINE_UNQUOTED(NAME_OF_NONCE_DEVICE, "$NAME_OF_NONCE_DEVICE",
                    [defined to the name of the unpredictable nonce device])
-
-  AC_DEFINE(GC_USE_RANDOM, 1, [Define if you want to support RNG through GC.])
 ])
--- a/m4/gc-rijndael.m4
+++ b/m4/gc-rijndael.m4
@@ -1,5 +1,5 @@
-# gc-rijndael.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-rijndael.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_RIJNDAEL],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_RIJNDAEL, 1,
-    [Define if you want to support RIJNDAEL through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_RIJNDAEL
   fi
--- a/m4/gc-sha1.m4
+++ b/m4/gc-sha1.m4
@@ -1,5 +1,5 @@
-# gc-sha1.m4 serial 1
-dnl Copyright (C) 2005 Free Software Foundation, Inc.
+# gc-sha1.m4 serial 2
+dnl Copyright (C) 2005, 2007 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -7,8 +7,6 @@
 AC_DEFUN([gl_GC_SHA1],
 [
   AC_REQUIRE([gl_GC])
-  AC_DEFINE(GC_USE_SHA1, 1,
-    [Define if you want to support SHA-1 through GC.])
   if test "$ac_cv_libgcrypt" != yes; then
     gl_SHA1
   fi
--- a/modules/gc-arcfour
+++ b/modules/gc-arcfour
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_ARCFOUR
+gl_MODULE_INDICATOR([gc-arcfour])
 
 Makefile.am:
 
--- a/modules/gc-arctwo
+++ b/modules/gc-arctwo
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_ARCTWO
+gl_MODULE_INDICATOR([gc-arctwo])
 
 Makefile.am:
 
--- a/modules/gc-des
+++ b/modules/gc-des
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_DES
+gl_MODULE_INDICATOR([gc-des])
 
 Makefile.am:
 
--- a/modules/gc-hmac-md5
+++ b/modules/gc-hmac-md5
@@ -19,6 +19,7 @@
 
 configure.ac:
 gl_GC_HMAC_MD5
+gl_MODULE_INDICATOR([gc-hmac-md5])
 
 Makefile.am:
 
--- a/modules/gc-hmac-sha1
+++ b/modules/gc-hmac-sha1
@@ -19,6 +19,7 @@
 
 configure.ac:
 gl_GC_HMAC_SHA1
+gl_MODULE_INDICATOR([gc-hmac-sha1])
 
 Makefile.am:
 
--- a/modules/gc-md2
+++ b/modules/gc-md2
@@ -12,6 +12,7 @@
 
 configure.ac:
 gl_GC_MD2
+gl_MODULE_INDICATOR([gc-md2])
 
 Makefile.am:
 
--- a/modules/gc-md4
+++ b/modules/gc-md4
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_MD4
+gl_MODULE_INDICATOR([gc-md4])
 
 Makefile.am:
 
--- a/modules/gc-md5
+++ b/modules/gc-md5
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_MD5
+gl_MODULE_INDICATOR([gc-md5])
 
 Makefile.am:
 lib_SOURCES += md5.h
--- a/modules/gc-random
+++ b/modules/gc-random
@@ -9,6 +9,7 @@
 
 configure.ac:
 gl_GC_RANDOM
+gl_MODULE_INDICATOR([gc-random])
 
 Makefile.am:
 
--- a/modules/gc-rijndael
+++ b/modules/gc-rijndael
@@ -15,6 +15,7 @@
 
 configure.ac:
 gl_GC_RIJNDAEL
+gl_MODULE_INDICATOR([gc-rijndael])
 
 Makefile.am:
 
--- a/modules/gc-sha1
+++ b/modules/gc-sha1
@@ -13,6 +13,7 @@
 
 configure.ac:
 gl_GC_SHA1
+gl_MODULE_INDICATOR([gc-sha1])
 
 Makefile.am: