1 files changed, 47 insertions, 0 deletions
diff --git a/cmake/Modules/CMakeTestJavaCompiler.cmake b/cmake/Modules/CMakeTestJavaCompiler.cmake
new file mode 100644
index 000000000..e524bc251
--- /dev/null
+++ b/cmake/Modules/CMakeTestJavaCompiler.cmake
@@ -0,0 +1,47 @@
+#=============================================================================
+# Copyright 2004-2009 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distributed this file outside of CMake, substitute the full
+#  License text for the above reference.)
+
+# This file is used by EnableLanguage in cmGlobalGenerator to
+# determine that that selected Java compiler can actually compile
+# and link the most basic of programs.   If not, a fatal error
+# is set and cmake stops processing commands and will not generate
+# any makefiles or projects.
+
+set(CMAKE_Java_COMPILER_WORKS 1 CACHE INTERNAL "")
+
+if (NOT CMAKE_Java_COMPILER_WORKS)
+    message(STATUS "Check for working Java compiler: ${CMAKE_Java_COMPILER}")
+
+    file(WRITE ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testJavaCompiler.java
+        "class HelloWorldApp {\n"
+        "  public static void main(String[] args) {\n"
+        "    System.out.println("Hello World!");\n"
+        "  }\n"
+        "}\n"
+    )
+
+    try_compile(CMAKE_Java_COMPILER_WORKS
+        ${CMAKE_BINARY_DIR}
+        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testJavaCompiler.java
+        OUTPUT_VARIABLE OUTPUT
+    )
+
+    if (CMAKE_Java_COMPILER_WORKS)
+        message(STATUS "Check for working Java compiler: ${CMAKE_C_COMPILER} -- works")
+        file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+            "Determining if the C compiler works passed with "
+            "the following output:\n${OUTPUT}\n\n"
+        )
+        set(CMAKE_Java_COMPILER_WORKS 1 CACHE INTERNAL "")
+    endif (CMAKE_Java_COMPILER_WORKS)
+endif (NOT CMAKE_Java_COMPILER_WORKS)