diff -r b01ab1ef01fb -r d0461bd6d45b CMakeLists.txt
--- a/CMakeLists.txt	Fri Apr 29 02:42:46 2011 +0200
+++ b/CMakeLists.txt	Fri Apr 29 03:31:50 2011 +0200
@@ -46,6 +46,7 @@
 IF(NOT BUILD_ENGINE_LIBRARY)
 	SET(BUILD_ENGINE_LIBRARY 0)
 ENDIF(NOT BUILD_ENGINE_LIBRARY)
+set(target_dir "bin")
 
 
 if(APPLE)
@@ -59,57 +60,65 @@
 	set(target_dir ".")
 
 	#what system are we building for
-	set(minimum_macosx $ENV{MACOSX_DEPLOYMENT_TARGET})
+	set(minimum_macosx_version $ENV{MACOSX_DEPLOYMENT_TARGET})
 
 	#detect on which system are we
 	EXEC_PROGRAM("/usr/bin/sw_vers" ARGS "-productVersion" OUTPUT_VARIABLE current_macosx_version)
 	STRING(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" current_macosx_version ${current_macosx_version})
 
 	#if nothing is set, we deploy only for the current system
-	if(NOT minimum_macosx)
-		set(minimum_macosx ${current_macosx_version})
+	if(NOT minimum_macosx_version)
+		set(minimum_macosx_version ${current_macosx_version})
 	endif()
 
-	if (minimum_macosx LESS "10.4")
-		set(FATAL "Hedgewars is not supported for pre-10.4 systems")
+	#who uses them anyway?
+	if (minimum_macosx_version LESS "10.4")
+		message(FATAL_ERROR "Hedgewars is not supported on Mac OS X pre-10.4")
 	endif()
 
 	#this variable needs to be set for frapascal universal binary
 	if(NOT CMAKE_OSX_ARCHITECTURES)
-		if(current_macosx_version MATCHES "10.6")
-			set(CMAKE_OSX_ARCHITECTURES "x86_64;i386")
+		if(current_macosx_version LESS "10.6")
+			if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "powerpc*")
+				set(CMAKE_OSX_ARCHITECTURES "ppc7400")
+			else()
+				set(CMAKE_OSX_ARCHITECTURES "i386")
+			endif()
 		else()
-			set(CMAKE_OSX_ARCHITECTURES "i386;ppc7400")
+			set(CMAKE_OSX_ARCHITECTURES "x86_64")
 		endif()
 	endif()
 
-	message(STATUS "Build system: Mac OS X ${current_macosx_version} - Target ${minimum_macosx} ${CMAKE_OSX_ARCHITECTURES}")
-
 	#be sure to select ppc-compatible toolchains just in case
-	if(NOT minimum_macosx MATCHES "10.6")
+	if(minimum_macosx_version LESS "10.6")
 		set(CMAKE_C_COMPILER "gcc-4.0")
 		set(CMAKE_CXX_COMPILER "g++-4.0")
 	endif()
 
-	if(minimum_macosx MATCHES "10.4")
+	if(minimum_macosx_version MATCHES "10.4")
 		set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX10.4u.sdk/")
+		#workaround for http://playcontrol.net/ewing/jibberjabber/big_behind-the-scenes_chang.html#SDL_mixer (Update 2)
 		if(current_macosx_version MATCHES "10.4")
 			find_package(SDL_mixer REQUIRED)
 			set(pascal_compiler_flags_cmn "-k-dylib_file @loader_path/Frameworks/smpeg.framework/Versions/A/smpeg:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/smpeg.framework/Versions/A/smpeg" "-k-dylib_file @loader_path/Frameworks/mikmod.framework/Versions/A/mikmod:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/mikmod.framework/Versions/A/mikmod" ${pascal_compiler_flags_cmn})
 			set(CMAKE_C_FLAGS "-dylib_file @loader_path/Frameworks/smpeg.framework/Versions/A/smpeg:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/smpeg.framework/Versions/A/smpeg -dylib_file @loader_path/Frameworks/mikmod.framework/Versions/A/mikmod:${SDLMIXER_LIBRARY}/Versions/A/Frameworks/mikmod.framework/Versions/A/mikmod")
 		endif()
 	else()
-		set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX${minimum_macosx}.sdk/")
+		STRING(REGEX REPLACE "([0-9]+.[0-9]+).[0-9]+" "\\1" sdk_version ${minimum_macosx_version})
+		set(CMAKE_OSX_SYSROOT "/Developer/SDKs/MacOSX${sdk_version}.sdk/")
 	endif()
 
-	#1.set deployment target; 2.link with libsdlmain.a (when building an executable); 3.link with liblua.a (which requires readline)
-	set(pascal_compiler_flags_cmn "-k-macosx_version_min" "-k${minimum_macosx}" "-XR${CMAKE_OSX_SYSROOT}" ${pascal_compiler_flags_cmn})
+	#set deployment target
+	set(pascal_compiler_flags_cmn "-k-macosx_version_min" "-k${minimum_macosx_version}" "-XR${CMAKE_OSX_SYSROOT}" ${pascal_compiler_flags_cmn})
+	#link with liblua.a (which requires readline)
+	set(pascal_compiler_flags_cmn "-k${CMAKE_BINARY_DIR}/bin/liblua.a" "-k-lreadline" ${pascal_compiler_flags_cmn})
+	#link with libsdlmain.a (when building an executable)
 	if(NOT BUILD_ENGINE_LIBRARY)
 		set(pascal_compiler_flags_cmn "-k${CMAKE_BINARY_DIR}/bin/libSDLmain.a" ${pascal_compiler_flags_cmn})
 	endif()
-	set(pascal_compiler_flags_cmn "-k${CMAKE_BINARY_DIR}/bin/liblua.a" "-k-lreadline" ${pascal_compiler_flags_cmn})
-else(APPLE)
-	set(target_dir "bin")
+
+	message(STATUS "Build system: Mac OS X ${current_macosx_version} with GCC:${CMAKE_C_COMPILER}")
+	message(STATUS "Target system: Mac OS X ${minimum_macosx_version} for architecture(s):${CMAKE_OSX_ARCHITECTURES}")
 endif(APPLE)