Our libgcrypt is recent enough so patch out the tests which
prevent cross compiling dar. Also set the required gettext
version to 0.19 and remove a test for static linking, which
always works for Void Linux.

--- configure.ac	2017-01-21 11:59:32.000000000 +0100
+++ configure.ac	2017-01-25 12:42:51.662888147 +0100
@@ -8,7 +8,7 @@
 
 AM_INIT_AUTOMAKE([subdir-objects])
 AM_GNU_GETTEXT([external])
-AM_GNU_GETTEXT_VERSION
+AM_GNU_GETTEXT_VERSION([0.19])
 XGETTEXT_EXTRA_OPTIONS='--keyword=dar_gettext'
 AM_ICONV
 
@@ -528,58 +528,10 @@
                                          local_crypto="no"
                                         ])
               if test "$local_crypto" = "yes" ; then
-	         min_version_gcrypt="1.4.0"
-                 AC_DEFINE_UNQUOTED(MIN_VERSION_GCRYPT, "$min_version_gcrypt", [libgcrypt minimum version])
-		 min_version_gcrypt_hash_bug="1.6.0"
-		 AC_DEFINE_UNQUOTED(MIN_VERSION_GCRYPT_HASH_BUG, "$min_version_gcrypt_hash_bug", [ligcrypt minimum version without hash bug])
-		 AC_MSG_CHECKING([for libgcrypt usability])
-                 AC_RUN_IFELSE([AC_LANG_PROGRAM([[ extern "C"
-		 				  {
-                                                       #if HAVE_GCRYPT_H
-                                                       #include <gcrypt.h>
-                                                       #endif
-                                                  }
-						  #include <iostream>
-						  using namespace std;
-					      ]],
-                                              [[
-						 if(!gcry_check_version(MIN_VERSION_GCRYPT))
-						 {
-						   cout << "ligcrypt version too low, minimum version is " << MIN_VERSION_GCRYPT << endl;
-                                                   exit(1);
-						 }
-                                                 else
-  						   exit(0);
-                                              ]])
-			        ],
-                                [ AC_DEFINE(CRYPTO_AVAILABLE, 1, [header and linking is available to have strong encryption works])
-				  AC_MSG_RESULT([ok])
-                                  AC_RUN_IFELSE([AC_LANG_PROGRAM([[ extern "C"
-				  				    {
-								     #if HAVE_GCRYPT_H
-                                                                     #include <gcrypt.h>
-                                                                     #endif
-                                                                    }
-								 ]],
-								 [[
-								     if(!gcry_check_version(MIN_VERSION_GCRYPT_HASH_BUG))
-								       exit(1);
-								     else
-								       exit(0);
- 								 ]])
-						],
-						[],
-						[ libgcrypt_hash_bug="yes" ])
-				],
-				[
-				  if test "$?" = "1" ; then
-				    AC_MSG_RESULT([failed: need libgcypt >= $min_version_gcrypt, disabling strong encryption support])
-				  else
- 				    AC_MSG_RESULT([failed: libgcrypt is unusable, cannot even call gcry_check_version(). Disabling strong encryption support])
-				  fi
-				  local_crypto="no"
-				])
-             else
+                AC_DEFINE_UNQUOTED(MIN_VERSION_GCRYPT, "1.4.0", [libgcrypt minimum version])
+		 AC_DEFINE_UNQUOTED(MIN_VERSION_GCRYPT_HASH_BUG, "1.6.0", [ligcrypt minimum version without hash bug])
+                AC_DEFINE(CRYPTO_AVAILABLE, 1, [header and linking is available to have strong encryption works])
+              else
                 AC_MSG_WARN([strong encryption support not available])
              fi
            ])
@@ -1119,61 +1119,8 @@
 	      ],
               [])
 
-
-MEM_LDFLAGS=$LDFLAGS
-MEM_CXXFLAGS=$CXXFLAGS
-LDFLAGS="-static $MEM_LDFLAGS $GPGME_LIBS"
-CXXFLAGS="$CXXFLAGS $GPGME_CFLAGS"
-AC_MSG_CHECKING([static linking])
-AC_RUN_IFELSE([AC_LANG_PROGRAM([[ extern "C" {
-				    	        #if HAVE_STDIO_H
-                                                #include <stdio.h>
-						#endif
-						#if HAVE_EXECINFO_H
-						#include <execinfo.h>
-						#endif
-						#if HAVE_STDLIB_H
-						#include <stdlib.h>
-						#endif
-						#if HAVE_PTHREAD_H
-						#include <pthread.h>
-						#endif
-                                             }
-                               ]],
-                               [[
-			       #if HAVE_EXECINFO_H
-			          const int buf_size = 20;
-				  void *buffer[buf_size];
-				  int size = backtrace(buffer, buf_size);
-				  char **symbols = backtrace_symbols(buffer, size);
-
-				  if(symbols != nullptr)
-				    free(symbols);
-			       #endif
-			       #if MUTEX_WORKS
-			         pthread_mutex_t test;
-				 if(pthread_mutex_init(&test, NULL) == 0)
-				 {
-				    if(pthread_mutex_lock(&test) == 0)
-				       pthread_mutex_unlock(&test);
-				 }
-				 pthread_mutex_destroy(&test);
-			       #endif
-
-                                  printf("Hello World!");
-				  return 0;
-                               ]])
-	       ],
-               [
-	         AC_MSG_RESULT([yes, perfect!])
-		 static_pb="no"
-	       ],
-               [
-	         AC_MSG_RESULT([failed])
-	         static_pb="yes"
-	       ])
-LDFLAGS=$MEM_LDFLAGS
-CXXFLAGS=$MEM_CXXFLAGS
+# static linking supported
+static_pb="yes"
 
 AM_CONDITIONAL([MAKE_ALL_DIR], [test $examples = "yes"])
 AM_CONDITIONAL([BUILD_DAR_STATIC], [test $build_static = "yes" -a $static_pb = "no"])