diff --git a/build_sdl.sh b/build_sdl.sh
index 8f7de61..8ebe2c7 100755
--- a/build_sdl.sh
+++ b/build_sdl.sh
@@ -1,8 +1,9 @@
 #!/bin/bash
-. ./environmnent.sh
+. ./environment.sh
 pushd sdl/sdl1.3/Xcode-iPhoneOS/SDL
-xcodebuild -project SDLiPhoneOS.xcodeproj -alltargets
+xcodebuild -project SDLiPhoneOS.xcodeproj -target libSDL
 popd
+
 #the binarie is under sdl/sdl1.3/Xcode-iPhoneOS/SDL/build/Release-Universal/
 cp sdl/sdl1.3/Xcode-iPhoneOS/SDL/build/Release-iPhoneOS/libSDL.a $BUILDROOT/lib
 cp -a sdl/sdl1.3/include $BUILDROOT/include/SDL 
diff --git a/sdl/sdl1.3/Xcode-iPhoneOS/SDL/SDLiPhoneOS.xcodeproj/project.pbxproj b/sdl/sdl1.3/Xcode-iPhoneOS/SDL/SDLiPhoneOS.xcodeproj/project.pbxproj
index d55be9a..246448c 100755
--- a/sdl/sdl1.3/Xcode-iPhoneOS/SDL/SDLiPhoneOS.xcodeproj/project.pbxproj
+++ b/sdl/sdl1.3/Xcode-iPhoneOS/SDL/SDLiPhoneOS.xcodeproj/project.pbxproj
@@ -1594,6 +1594,7 @@
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				GCC_C_LANGUAGE_STANDARD = c99;
 				GCC_DEBUGGING_SYMBOLS = full;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
@@ -1610,6 +1611,7 @@
 				ARCHS = "$(ARCHS_STANDARD_32_BIT)";
 				"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
 				GCC_C_LANGUAGE_STANDARD = c99;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = NO;
 				IPHONEOS_DEPLOYMENT_TARGET = 5.0;
@@ -1626,6 +1628,7 @@
 				DEPLOYMENT_LOCATION = NO;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				PRODUCT_NAME = SDL;
 				SKIP_INSTALL = YES;
 			};
@@ -1638,6 +1641,7 @@
 				COPY_PHASE_STRIP = YES;
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				DEPLOYMENT_LOCATION = NO;
+				GCC_VERSION = com.apple.compilers.llvmgcc42;
 				PRODUCT_NAME = SDL;
 				SKIP_INSTALL = YES;
 				ZERO_LINK = NO;