Merge pull request #436 from dagar/cmake-configure

cmake configure script

CMakeLists.txt

 cmake_minimum_required(VERSION 2.8)
 project(pyston C CXX ASM)
 
+set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
+
+include(CheckTypeSize)
 include(ExternalProject)
 
-set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 set(DEPS_DIR $ENV{HOME}/pyston_deps)
 
 # set build type to release by default
@@ -160,6 +162,17 @@ find_package(LibLZMA REQUIRED)
 link_directories(${CMAKE_BINARY_DIR}/libunwind/lib)
 link_directories(${LLVM_LIBRARY_DIRS})
 
+
+# generate config.h - must be after LLVM is configured
+set(CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_SOURCE_DIR}/src/runtime/types.h)
+set(CMAKE_REQUIRED_DEFINITIONS "-DNVALGRIND -D__STDC_CONSTANT_MACROS -D__STDC_LIMIT_MACROS")
+set(CMAKE_REQUIRED_INCLUDES ${DEPS_DIR}/llvm-trunk/include
+                            ${CMAKE_BINARY_DIR}/llvm/include
+                            ${CMAKE_SOURCE_DIR}/from_cpython/Include
+                            ${CMAKE_SOURCE_DIR}/src)
+check_type_size("pyston::BoxedDict" SIZEOF_BOXEDDICT LANGUAGE CXX)
+configure_file(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_BINARY_DIR}/config.h)
+
 add_subdirectory(lib_pyston)
 add_subdirectory(from_cpython)
 add_subdirectory(src)

cmake/CheckTypeSize.c.in

+/* Pyston: This file is included from cmake 3 for compatability
+ * downloaded 2015-04-03
+ * https://github.com/Kitware/CMake/blob/master/Modules/CheckTypeSize.c.in
+ */
+
+@headers@
+
+#undef KEY
+#if defined(__i386)
+# define KEY '_','_','i','3','8','6'
+#elif defined(__x86_64)
+# define KEY '_','_','x','8','6','_','6','4'
+#elif defined(__ppc__)
+# define KEY '_','_','p','p','c','_','_'
+#elif defined(__ppc64__)
+# define KEY '_','_','p','p','c','6','4','_','_'
+#endif
+
+#define SIZE (sizeof(@type@))
+char info_size[] =  {'I', 'N', 'F', 'O', ':', 's','i','z','e','[',
+  ('0' + ((SIZE / 10000)%10)),
+  ('0' + ((SIZE / 1000)%10)),
+  ('0' + ((SIZE / 100)%10)),
+  ('0' + ((SIZE / 10)%10)),
+  ('0' +  (SIZE    % 10)),
+  ']',
+#ifdef KEY
+  ' ','k','e','y','[', KEY, ']',
+#endif
+  '\0'};
+
+#ifdef __CLASSIC_C__
+int main(argc, argv) int argc; char *argv[];
+#else
+int main(int argc, char *argv[])
+#endif
+{
+  int require = 0;
+  require += info_size[argc];
+  (void)argv;
+  return require;
+}

config.h.in

+/*--------------------------------------------------------------------------
+ * This file is autogenerated from config.h.in 
+ * during the cmake configuration of your project.
+ * --------------------------------------------------------------------------*/
+#ifndef _CONFIG_H_
+#define _CONFIG_H_
+
+#define SIZEOF_BOXEDDICT @SIZEOF_BOXEDDICT@
+
+#endif