X-Git-Url: https://tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=m4%2Fopenssl.m4;h=8d4a24bf6586854f7e18e3181b513f21767d0221;hp=32e41de76db75c55ecab6c75f862ac739f8c9761;hb=6e6b037ef4fd9877aeb1d947da7364409fa8cbb7;hpb=4370b98bb1dfa9eb1e400549cb6fcb6711aa1b29

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index 32e41de7..8d4a24bf 100644
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -1,46 +1,40 @@
 dnl Check to find the OpenSSL headers/libraries
 
-AC_DEFUN(tinc_OPENSSL,
+AC_DEFUN([tinc_OPENSSL],
 [
-  tinc_ac_save_CPPFLAGS="$CPPFLAGS"
-
   AC_ARG_WITH(openssl,
-    AC_HELP_STRING([--with-openssl=DIR], [OpenSSL base directory, or:]),
+    AS_HELP_STRING([--with-openssl=DIR], [OpenSSL base directory, or:]),
     [openssl="$withval"
-     CFLAGS="$CFLAGS -I$withval/include"
      CPPFLAGS="$CPPFLAGS -I$withval/include"
-     LIBS="$LIBS -L$withval/lib"]
+     LDFLAGS="$LDFLAGS -L$withval/lib"]
   )
 
   AC_ARG_WITH(openssl-include,
-    AC_HELP_STRING([--with-openssl-include=DIR], [OpenSSL headers directory (without trailing /openssl)]),
+    AS_HELP_STRING([--with-openssl-include=DIR], [OpenSSL headers directory (without trailing /openssl)]),
     [openssl_include="$withval"
-     CFLAGS="$CFLAGS -I$withval"
      CPPFLAGS="$CPPFLAGS -I$withval"]
   )
 
   AC_ARG_WITH(openssl-lib,
-    AC_HELP_STRING([--with-openssl-lib=DIR], [OpenSSL library directory]),
+    AS_HELP_STRING([--with-openssl-lib=DIR], [OpenSSL library directory]),
     [openssl_lib="$withval"
-     LIBS="$LIBS -L$withval"]
+     LDFLAGS="$LDFLAGS -L$withval"]
   )
 
-  AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h,
+  AC_CHECK_HEADERS(openssl/evp.h openssl/rsa.h openssl/rand.h openssl/err.h openssl/sha.h openssl/pem.h openssl/engine.h,
     [],
     [AC_MSG_ERROR([OpenSSL header files not found.]); break]
   )
 
-  CPPFLAGS="$tinc_ac_save_CPPFLAGS"
-
 case $host_os in
   *mingw*)
-    AC_CHECK_LIB(crypto, SHA1_version,
-      [LIBS="$LIBS -lcrypto -lgdi32"],
+    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.])]
     )