Use the existance of cryptlib.h to control SSL compiling.

src/syncterm/CMakeLists.txt

@@ -2,6 +2,8 @@ project (SyncTERM C)
 
 cmake_minimum_required(VERSION 2.8.11)
 
+INCLUDE (CheckIncludeFiles)
+
 set(SOURCE
 	uifc32.c
 	uifcx.c
@@ -79,7 +81,14 @@ target_include_directories(syncterm PRIVATE ../uifc)
 target_include_directories(syncterm PRIVATE ../sbbs3)
 target_include_directories(syncterm PRIVATE ../comio)
 target_include_directories(syncterm PRIVATE ../smblib)
+if(WIN32)
+	include_directories(syncterm PRIVATE ../../3rdp/win32.release/cryptlib/include)
+endif()
 target_link_libraries(syncterm m)
+CHECK_INCLUDE_FILES(cryptlib.h HAS_CRYPTLIB_H)
+if(NOT HAS_CRYPTLIB_H)
+    target_compile_definitions(syncterm PRIVATE WITHOUT_CRYPTLIB)
+endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "NetBSD")
 	target_link_libraries(syncterm util)
@@ -91,5 +100,4 @@ elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
 	target_link_libraries(syncterm util)
 endif()
 
-
 install(TARGETS syncterm DESTINATION bin)

src/syncterm/st_crypt.h

@@ -4,7 +4,7 @@
 #define _ST_CRYPT_H_
 
 #ifndef WITHOUT_CRYPTLIB
-#include"cryptlib.h"
+#include <cryptlib.h>
 #if CRYPTLIB_VERSION < 3400
 #define CRYPT_ATTRIBUTE_ERRORMESSAGE	CRYPT_ATTRIBUTE_INT_ERRORMESSAGE
 #endif