3 files changed, 167 insertions, 0 deletions
diff --git a/CMake/CheckFunctionWithHeaderExists.cmake b/CMake/CheckFunctionWithHeaderExists.cmake
new file mode 100644
index 000000000..7d824cd96
--- /dev/null
+++ b/CMake/CheckFunctionWithHeaderExists.cmake
@@ -0,0 +1,54 @@
+#
+# Check if the symbol exists in include files
+#
+# CHECK_FUNCTIONWITHHEADER_EXISTS - macro which checks the symbol exists in include files.
+# SYMBOL - symbol
+# FILES  - include files to check
+# VARIABLE - variable to return result
+#
+
+MACRO(CHECK_FUNCTIONWITHHEADER_EXISTS SYMBOL FILES VARIABLE)
+  IF("${VARIABLE}" MATCHES "^${VARIABLE}$")
+    SET(CHECK_SYMBOL_EXISTS_CONTENT "/* */\n")
+    SET(MACRO_CHECK_SYMBOL_EXISTS_FLAGS ${CMAKE_REQUIRED_FLAGS})
+    IF(CMAKE_REQUIRED_LIBRARIES)
+      SET(CHECK_SYMBOL_EXISTS_LIBS 
+        "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
+    ENDIF(CMAKE_REQUIRED_LIBRARIES)
+    FOREACH(FILE ${FILES})
+      SET(CHECK_SYMBOL_EXISTS_CONTENT
+        "${CHECK_SYMBOL_EXISTS_CONTENT}#include <${FILE}>\n")
+    ENDFOREACH(FILE)
+    SET(CHECK_SYMBOL_EXISTS_CONTENT
+      "${CHECK_SYMBOL_EXISTS_CONTENT}\nint main()\n{\n${SYMBOL};return 0;\n}\n")
+
+    FILE(WRITE ${CMAKE_BINARY_DIR}/CMakeTmp/CheckSymbolExists.c 
+      "${CHECK_SYMBOL_EXISTS_CONTENT}")
+
+    MESSAGE(STATUS "Looking for ${SYMBOL}")
+    TRY_COMPILE(${VARIABLE}
+      ${CMAKE_BINARY_DIR}
+      ${CMAKE_BINARY_DIR}/CMakeTmp/CheckSymbolExists.c
+      CMAKE_FLAGS 
+      -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_SYMBOL_EXISTS_FLAGS}
+      "${CHECK_SYMBOL_EXISTS_LIBS}"
+      OUTPUT_VARIABLE OUTPUT)
+    IF(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${SYMBOL} - found")
+      SET(${VARIABLE} 1 CACHE INTERNAL "Have symbol ${SYMBOL}")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeOutput.log 
+        "Determining if the ${SYMBOL} "
+        "exist passed with the following output:\n"
+        "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeTmp/CheckSymbolExists.c:\n"
+        "${CHECK_SYMBOL_EXISTS_CONTENT}\n")
+    ELSE(${VARIABLE})
+      MESSAGE(STATUS "Looking for ${SYMBOL} - not found.")
+      SET(${VARIABLE} "" CACHE INTERNAL "Have symbol ${SYMBOL}")
+      FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log 
+        "Determining if the ${SYMBOL} "
+        "exist failed with the following output:\n"
+        "${OUTPUT}\nFile ${CMAKE_BINARY_DIR}/CMakeTmp/CheckSymbolExists.c:\n"
+        "${CHECK_SYMBOL_EXISTS_CONTENT}\n")
+    ENDIF(${VARIABLE})
+  ENDIF("${VARIABLE}" MATCHES "^${VARIABLE}$")
+ENDMACRO(CHECK_FUNCTIONWITHHEADER_EXISTS)
diff --git a/CMake/FLTKConfig.cmake.in b/CMake/FLTKConfig.cmake.in
new file mode 100644
index 000000000..3f53597cc
--- /dev/null
+++ b/CMake/FLTKConfig.cmake.in
@@ -0,0 +1,32 @@
+#-----------------------------------------------------------------------------
+#
+# FLTKConfig.cmake - FLTK CMake configuration file for external projects.
+#
+# This file is configured by FLTK and used by the UseFLTK.cmake module
+# to load FLTK's settings for an external project.
+
+# The FLTK source tree.
+SET(FLTK_SOURCE_DIR "@FLTK_SOURCE_DIR@")
+
+# The FLTK include file directories.
+SET(FLTK_EXECUTABLE_DIRS "@FLTK_EXECUTABLE_DIRS@")
+SET(FLTK_LIBRARY_DIRS "@FLTK_LIBRARY_DIRS@")
+SET(FLTK_LIBRARIES "fltk_images;fltk;fltk_gl;fltk_forms")
+
+# The C and C++ flags added by FLTK to the cmake-configured flags.
+SET(FLTK_REQUIRED_C_FLAGS "@FLTK_REQUIRED_C_FLAGS@")
+SET(FLTK_REQUIRED_CXX_FLAGS "@FLTK_REQUIRED_CXX_FLAGS@")
+
+# The FLTK version number
+SET(FLTK_VERSION_MAJOR "@FLTK_VERSION_MAJOR@")
+SET(FLTK_VERSION_MINOR "@FLTK_VERSION_MINOR@")
+SET(FLTK_VERSION_PATCH "@FLTK_VERSION_PATCH@")
+
+# The location of the UseFLTK.cmake file.
+SET(FLTK_USE_FILE "@FLTK_USE_FILE@")
+
+# The build settings file.
+SET(FLTK_BUILD_SETTINGS_FILE "@FLTK_BUILD_SETTINGS_FILE@")
+
+# Whether FLTK was built with shared libraries.
+SET(FLTK_BUILD_SHARED "@BUILD_SHARED_LIBS@")
diff --git a/CMake/PlatformTests.cxx b/CMake/PlatformTests.cxx
new file mode 100644
index 000000000..828a93eb2
--- /dev/null
+++ b/CMake/PlatformTests.cxx
@@ -0,0 +1,81 @@
+#ifdef HAVE_LIBZ
+
+#include <zlib.h>
+
+int main()
+{
+	unsigned long compressedSize = 0;
+	unsigned char cd[100];
+	const unsigned char ud[100] = "";
+	unsigned long uncompressedSize = 0;
+
+	// Call zlib's compress function.
+	if(compress(cd, &compressedSize, ud, uncompressedSize) != Z_OK)
+		{
+		return 0;
+		}
+	return 1;
+}
+
+
+#endif
+
+#ifdef HAVE_LIBJPEG
+
+#include <stdio.h>
+#include <jpeglib.h>
+
+int main()
+{
+	struct jpeg_decompress_struct cinfo;
+	jpeg_create_decompress(&cinfo);
+	jpeg_read_header(&cinfo, TRUE);
+	return 1;
+}
+
+#endif
+
+#ifdef HAVE_LIBPNG
+#include <png.h>
+int main()
+{
+	png_structp png_ptr = png_create_read_struct
+		(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
+		 NULL, NULL);
+	png_infop info_ptr = png_create_info_struct(png_ptr);
+	png_set_sig_bytes(png_ptr, 8);
+	png_read_info(png_ptr, info_ptr);
+
+	return 0;
+}
+#endif
+
+#ifdef HAVE_PNG_H
+#include <png.h>
+int main() { retunr 0;}
+#endif
+
+#ifdef HAVE_PNG_GET_VALID
+#include <png.h>
+int main()
+{
+	png_structp png_ptr = png_create_read_struct
+		(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
+		 NULL, NULL);
+	png_infop info_ptr = png_create_info_struct(png_ptr);
+	png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS);
+	return 0;
+}
+#endif
+
+#ifdef HAVE_PNG_SET_TRNS_TO_ALPHA
+#include <png.h>
+int main()
+{
+	png_structp png_ptr = png_create_read_struct
+		(PNG_LIBPNG_VER_STRING, (png_voidp)NULL,
+		 NULL, NULL);
+	png_set_tRNS_to_alpha(png_ptr);
+	return 0;
+}
+#endif