Pthread support from Gwl.

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3041 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/build/unix/build.config

@@ -70,7 +70,7 @@ uqm_prepare_config()
 {
 	# Describe the menu:
 	MENU_main_ITEMS="debug graphics sound mikmod ovcodec netplay joystick \
-			ioformat accel"
+			ioformat accel threadlib"
 	case "$HOST_SYSTEM" in
 		Darwin)
 			# Installation directory not modifiable
@@ -92,6 +92,7 @@ uqm_prepare_config()
 	MENU_main_ITEM_joystick_TYPE=CHOICE
 	MENU_main_ITEM_ioformat_TYPE=CHOICE
 	MENU_main_ITEM_accel_TYPE=CHOICE
+	MENU_main_ITEM_threadlib_TYPE=CHOICE
 	MENU_main_ITEM_install_path_TYPE=MENU
 
 	CHOICE_debug_OPTIONS="nodebug debug strictdebug"
@@ -290,6 +291,31 @@ uqm_prepare_config()
 	}
 	CHOICE_accel_DEFAULT=asm
 
+	CHOICE_threadlib_OPTIONS="sdl pthread"
+	CHOICE_threadlib_TITLE="Thread library"
+	CHOICE_threadlib_OPTION_sdl_TITLE="SDL-controlled thread library"
+	CHOICE_threadlib_OPTION_sdl_ACTION="threadlib_sdl_action"
+	threadlib_sdl_action() {
+		CFLAGS="$CFLAGS -DTHREADLIB_SDL"
+		THREADLIB="SDL"
+	}
+	CHOICE_threadlib_OPTION_pthread_TITLE="Pthread thread library"
+	CHOICE_threadlib_OPTION_pthread_PRECOND="have_library pthread"
+	CHOICE_threadlib_OPTION_pthread_ACTION="threadlib_pthread_action"
+	threadlib_pthread_action() {
+		CFLAGS="$CFLAGS -DTHREADLIB_PTHREAD"
+		THREADLIB="PTHREAD"
+		use_library pthread
+	}
+	case "$HOST_SYSTEM" in
+		ARMV5|WINSCW)
+			CHOICE_threadlib_DEFAULT=pthread
+			;;
+		*)
+			CHOICE_threadlib_DEFAULT=sdl
+			;;
+	esac
+
 	MENU_install_path_ITEMS="install_prefix install_bindir install_libdir \
 			install_sharedir"
 	MENU_install_path_TITLE="Installation paths"
@@ -359,7 +385,7 @@ uqm_process_config() {
 			MAKE ECHON SED DEBUG JOYSTICK NETPLAY \
 			OGGVORBIS SOUNDMODULE USE_INTERNAL_MIKMOD \
 			HAVE_OPENGL HAVE_REGEX_H_FLAG USE_ZIP_IO \
-			USE_PLATFORM_ACCEL USE_WINSOCK \
+			USE_PLATFORM_ACCEL THREADLIB USE_WINSOCK \
 			INSTALL_LIBDIR INSTALL_BINDIR INSTALL_SHAREDIR \
 			REZ WINDRES $HAVE_SYMBOLS"
 	SUBSTITUTE_FILES="build.vars"