From 44e69c96435ae9e30bd7be23e272dc7b217b78a9 Mon Sep 17 00:00:00 2001
From: Christoph Sommer <mail@christoph-sommer.de>
Date: Fri, 12 Jan 2007 17:57:06 +0000
Subject: [PATCH] Basic configure functionality for cmake

SVN-Revision: 4552
---
 CMakeLists.txt                 | 21 ++++++++++++++++++++-
 config.h.cmake                 | 23 +++++++++++++++++++++++
 mk/cmake/ConfigureChecks.cmake | 16 ++++++++++++++++
 3 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 config.h.cmake
 create mode 100644 mk/cmake/ConfigureChecks.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 200a517c9..ab32f9b78 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,13 @@
 
 PROJECT(SUPERTUX)
 
+## Some default settings
+
+set(DEBUG 0 CACHE BOOL "Build with debugging options")
+set(ENABLE_BINRELOC 0 CACHE BOOL "Enable autopackage's BINRELOC features")
+set(APPDATADIR "" CACHE STRING "APPDATADIR for autopackage's BINRELOC features")
+set(ENABLE_SQDBG 0 CACHE BOOL "Build squirrel script interpreter with debugging options")
+
 ## Search here for additional cmake modules (for finding deps)
 
 set(CMAKE_MODULE_PATH ${SUPERTUX_SOURCE_DIR}/mk/cmake ${CMAKE_MODULE_PATH})
@@ -79,6 +86,19 @@ FIND_PACKAGE(PhysFS REQUIRED)
 INCLUDE_DIRECTORIES(${PHYSFS_INCLUDE_DIR})
 LINK_LIBRARIES(${PHYSFS_LIBRARY})
 
+#FIND_PACKAGE(ICONV REQUIRED)
+#INCLUDE_DIRECTORIES(${ICONV_INCLUDE_DIR})
+#LINK_LIBRARIES(${ICONV_LIBRARY})
+
+## Check platform-dependent build options
+
+INCLUDE(ConfigureChecks)
+
+## Create config.h
+
+configure_file(config.h.cmake ${CMAKE_BINARY_DIR}/config.h )
+include_directories (${CMAKE_BINARY_DIR}/)
+
 ## Also execute instructions in src/squirrel/CMakeLists.txt
 
 ADD_SUBDIRECTORY(src/squirrel)
@@ -89,7 +109,6 @@ LINK_DIRECTORIES(src/squirrel)
 
 ## Some additional include paths
 
-include_directories (${SUPERTUX_SOURCE_DIR}/)
 include_directories (${SUPERTUX_SOURCE_DIR}/src/)
 include_directories (${SUPERTUX_SOURCE_DIR}/src/squirrel/include/)
 
diff --git a/config.h.cmake b/config.h.cmake
new file mode 100644
index 000000000..3838a396e
--- /dev/null
+++ b/config.h.cmake
@@ -0,0 +1,23 @@
+#define PACKAGE_NAME "supertux"
+#define PACKAGE_VERSION "0.3.0"
+
+#cmakedefine DEBUG
+#cmakedefine ENABLE_SQDBG
+
+#cmakedefine ENABLE_BINRELOC
+#ifdef ENABLE_BINRELOC
+#define APPDATADIR ${APPDATADIR}
+#endif
+
+#define SIZEOF_VOID_P ${SIZEOF_VOID_P}
+#if SIZEOF_VOID_P == 8
+#define _SQ64
+#endif
+
+#cmakedefine HAVE_ICONV_CONST
+#ifdef HAVE_ICONV_CONST
+#define ICONV_CONST const
+#else
+#define ICONV_CONST
+#endif
+
diff --git a/mk/cmake/ConfigureChecks.cmake b/mk/cmake/ConfigureChecks.cmake
new file mode 100644
index 000000000..90fcfd204
--- /dev/null
+++ b/mk/cmake/ConfigureChecks.cmake
@@ -0,0 +1,16 @@
+include(CheckCXXSourceCompiles)
+include(CheckTypeSize)
+
+check_cxx_source_compiles(
+	"
+	#include <iconv.h>
+	// this declaration will fail when there already exists a non const char** version which returns size_t
+	double iconv(iconv_t cd,  char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft);
+	int main() { return 0; }
+	"
+	HAVE_ICONV_CONST
+)
+
+CHECK_TYPE_SIZE("void*" SIZEOF_VOID_P)
+message(STATUS "Size of void* is ${SIZEOF_VOID_P}")
+
-- 
2.11.0