Check for EVP_EncryptInit_ex instead of SHA1_Version in OpenSSL.

The latter function disappeared, and wasn't actually used in tinc, so now we
check on a function that we do use.

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index f091300..8d4a24b 100644 (file)
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -28,13 +28,13 @@ AC_DEFUN([tinc_OPENSSL],
 
 case $host_os in
   *mingw*)
-    AC_CHECK_LIB(crypto, SHA1_version,
+    AC_CHECK_LIB(crypto, EVP_EncryptInit_ex,
       [LIBS="$LIBS -lcrypto -lgdi32 -lcrypt32"],
       [AC_MSG_ERROR([OpenSSL libraries not found.])]
     )
   ;;
   *)
-    AC_CHECK_LIB(crypto, SHA1_version,
+    AC_CHECK_LIB(crypto, EVP_EncryptInit_ex,
       [LIBS="$LIBS -lcrypto"],
       [AC_MSG_ERROR([OpenSSL libraries not found.])]
     )