X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=m4%2Fopenssl.m4;h=32e41de76db75c55ecab6c75f862ac739f8c9761;hp=1a61a8b586c244ecb6e5f06d44d49c419b724fb1;hb=4370b98bb1dfa9eb1e400549cb6fcb6711aa1b29;hpb=ae50b0077e27c4c4d81a98da46c66865ffa069be

diff --git a/m4/openssl.m4 b/m4/openssl.m4
index 1a61a8b5..32e41de7 100644
--- a/m4/openssl.m4
+++ b/m4/openssl.m4
@@ -4,15 +4,23 @@ AC_DEFUN(tinc_OPENSSL,
 [
   tinc_ac_save_CPPFLAGS="$CPPFLAGS"
 
+  AC_ARG_WITH(openssl,
+    AC_HELP_STRING([--with-openssl=DIR], [OpenSSL base directory, or:]),
+    [openssl="$withval"
+     CFLAGS="$CFLAGS -I$withval/include"
+     CPPFLAGS="$CPPFLAGS -I$withval/include"
+     LIBS="$LIBS -L$withval/lib"]
+  )
+
   AC_ARG_WITH(openssl-include,
-    [  --with-openssl-include=DIR  OpenSSL headers directory (without trailing /openssl)],
+    AC_HELP_STRING([--with-openssl-include=DIR], [OpenSSL headers directory (without trailing /openssl)]),
     [openssl_include="$withval"
      CFLAGS="$CFLAGS -I$withval"
      CPPFLAGS="$CPPFLAGS -I$withval"]
   )
 
   AC_ARG_WITH(openssl-lib,
-    [  --with-openssl-lib=DIR  OpenSSL library directory],
+    AC_HELP_STRING([--with-openssl-lib=DIR], [OpenSSL library directory]),
     [openssl_lib="$withval"
      LIBS="$LIBS -L$withval"]
   )
@@ -24,10 +32,28 @@ AC_DEFUN(tinc_OPENSSL,
 
   CPPFLAGS="$tinc_ac_save_CPPFLAGS"
 
-  AC_CHECK_LIB(crypto, SHA1_version,
-    [LIBS="$LIBS -lcrypto"],
-    [AC_MSG_ERROR([OpenSSL libraries not found.])]
-  )
+case $host_os in
+  *mingw*)
+    AC_CHECK_LIB(crypto, SHA1_version,
+      [LIBS="$LIBS -lcrypto -lgdi32"],
+      [AC_MSG_ERROR([OpenSSL libraries not found.])]
+    )
+  ;;
+  *)
+    AC_CHECK_LIB(crypto, SHA1_version,
+      [LIBS="$LIBS -lcrypto"],
+      [AC_MSG_ERROR([OpenSSL libraries not found.])]
+    )
+
+    AC_CHECK_FUNC(dlopen,
+      [],
+      [AC_CHECK_LIB(dl, dlopen,
+        [LIBS="$LIBS -ldl"],
+        [AC_MSG_ERROR([OpenSSL depends on libdl.]); break]
+      )]
+    )
+  ;;
+esac
 
   AC_CHECK_FUNCS([RAND_pseudo_bytes EVP_EncryptInit_ex], ,
     [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
@@ -37,12 +63,4 @@ AC_DEFUN(tinc_OPENSSL,
     [AC_MSG_ERROR([Missing OpenSSL functionality, make sure you have installed the latest version.]); break],
     [#include <openssl/evp.h>]
   )
-
-  AC_CHECK_FUNC(dlopen,
-    [],
-    [AC_CHECK_LIB(dl, dlopen,
-      [LIBS="$LIBS -ldl"],
-      [AC_MSG_ERROR([OpenSSL depends on libdl.]); break]
-    )]
-  )
 ])