re-write the handling of crypto libraries. try to use the one of

openssl's libcrypto or krb4's libdes that has all the required
functionality (md4, md5, sha1, des, rc4).  if there is no such
library, the included lib/des is built.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@10519 ec53bebd-3082-4978-b11e-865c3cabbd6b

configure.in

@@ -523,49 +523,7 @@ AC_GROK_TYPES([int8_t int16_t int32_t int64_t \
 	u_int8_t u_int16_t u_int32_t u_int64_t \
 	uint8_t uint16_t uint32_t uint64_t])
 
-dnl
-dnl crypto functions tests
-dnl
-
-AC_CHECK_HEADERS([				\
-	openssl/md4.h				\
-	openssl/md5.h				\
-	openssl/sha.h				\
-	openssl/des.h				\
-	openssl/rc4.h				\
-])
-
-AC_FIND_FUNC_NO_LIBS2(MD4_Init, crypto des, [], [], [], [$test_LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(MD5_Init, crypto des, [], [], [], [$test_LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(SHA1_Init, crypto des, [], [], [], [$test_LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(des_cbc_encrypt, crypto des, [], [], [], [$test_LIB_krb4])
-AC_FIND_FUNC_NO_LIBS2(RC4, crypto des, [], [], [], [$test_LIB_krb4])
-if test "$ac_cv_func_des_cbc_encrypt" = "yes" -a \
-"$ac_cv_func_MD4_Init"  = "yes" -a \
-"$ac_cv_func_MD5_Init"  = "yes" -a \
-"$ac_cv_func_SHA1_Init" = "yes" -a \
-"$ac_cv_func_RC4" = "yes"; then
-  DIR_des=''
-  LIB_des=''
-  if test "$krb4_libdir" != "" -a "$ac_cv_funclib_des_cbc_encrypt" = "-ldes"; then
-    LIB_des="-R $krb4_libdir -L$krb4_libdir"
-  fi
-  LIB_des="$LIB_des $ac_cv_funclib_MD4_Init"
-  LIB_des_a="$LIB_des"
-  LIB_des_so="$LIB_des"
-  LIB_des_appl="$LIB_des"
-else
-  DIR_des='des'
-  LIB_des='$(top_builddir)/lib/des/libdes.la'
-  LIB_des_a='$(top_builddir)/lib/des/.libs/libdes.a'
-  LIB_des_so='$(top_builddir)/lib/des/.libs/libdes.so'
-  LIB_des_appl="-ldes"
-fi
-AC_SUBST(DIR_des)
-AC_SUBST(LIB_des)
-AC_SUBST(LIB_des_a)
-AC_SUBST(LIB_des_so)
-AC_SUBST(LIB_des_appl)
+KRB_CRYPTO
 
 KRB_READLINE