lua: Migrate to gentargets and improve it

Closes #803

Based on initial patch by rvpaasen@t3i.nl

[Peter: lua/luac needs liblua.so.* on target]
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

1 files changed, 108 insertions, 67 deletions

diff --git a/package/lua/lua.mk b/package/lua/lua.mk
index aeb6c8285..9b2302144 100644
--- a/package/lua/lua.mk
+++ b/package/lua/lua.mk
@@ -4,78 +4,119 @@
 #
 #############################################################
 
-LUA_VERSION=5.1.4
+LUA_VERSION = 5.1.4
+LUA_SITE = http://www.lua.org/ftp
+LUA_INSTALL_STAGING = YES
 
-LUA_SOURCE=lua-$(LUA_VERSION).tar.gz
-LUA_CAT:=$(ZCAT)
-LUA_SITE=http://www.lua.org/ftp
-
-LUA_DIR=$(BUILD_DIR)/lua-$(LUA_VERSION)
-
-LUA_CFLAGS=-DLUA_USE_LINUX
-LUA_MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
-
-$(DL_DIR)/$(LUA_SOURCE):
-	$(call DOWNLOAD,$(LUA_SITE),$(LUA_SOURCE))
-
-$(LUA_DIR)/.unpacked: $(DL_DIR)/$(LUA_SOURCE)
-	$(LUA_CAT) $(DL_DIR)/$(LUA_SOURCE) | tar -C $(BUILD_DIR) $(TAR_OPTIONS) -
-	touch $(LUA_DIR)/.unpacked
-
-$(LUA_DIR)/src/lua: $(LUA_DIR)/.unpacked
-	rm -f $@
-	$(MAKE) $(TARGET_CONFIGURE_OPTS) \
-		MYCFLAGS=$(LUA_CFLAGS) \
-		MYLIBS=$(LUA_MYLIBS) \
-		AR="$(TARGET_CROSS)ar rcu" \
-		-C $(LUA_DIR)/src all
-
-$(LUA_DIR)/src/luac: $(LUA_DIR)/src/lua
-
-$(LUA_DIR)/src/liblua.a: $(LUA_DIR)/src/lua
-
-$(STAGING_DIR)/usr/lib/liblua.a: $(LUA_DIR)/src/liblua.a
-	cp -dpf $(LUA_DIR)/src/liblua.a $(STAGING_DIR)/usr/lib/liblua.a
-
-$(STAGING_DIR)/usr/bin/lua: $(LUA_DIR)/src/lua
-	cp -dpf $(LUA_DIR)/src/lua $(STAGING_DIR)/usr/bin/lua
-
-$(STAGING_DIR)/usr/bin/luac: $(LUA_DIR)/src/luac
-	cp -dpf $(LUA_DIR)/src/luac $(STAGING_DIR)/usr/bin/luac
-
-$(TARGET_DIR)/usr/lib/liblua.a: $(STAGING_DIR)/usr/lib/liblua.a
-	cp -dpf $(STAGING_DIR)/usr/lib/liblua.a $(TARGET_DIR)/usr/lib/liblua.a
-
-$(TARGET_DIR)/usr/bin/lua: $(STAGING_DIR)/usr/bin/lua
-	cp -dpf $(STAGING_DIR)/usr/bin/lua $(TARGET_DIR)/usr/bin/lua
-
-$(TARGET_DIR)/usr/bin/luac: $(STAGING_DIR)/usr/bin/luac
-	cp -dpf $(STAGING_DIR)/usr/bin/luac $(TARGET_DIR)/usr/bin/luac
-
-
-lua-bins:	$(TARGET_DIR)/usr/bin/lua $(TARGET_DIR)/usr/bin/luac
+ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
+	LUA_MYCFLAGS += -fPIC -DLUA_USE_DLOPEN
+	LUA_MYLIBS += -ldl
+endif
 
-lua-libs: $(if $(BR2_HAVE_DEVFILES),$(TARGET_DIR)/usr/lib/liblua.a)
+ifeq ($(BR2_PACKAGE_LUA_INTERPRETER_READLINE),y)
+	LUA_DEPENDENCIES = readline ncurses
+	LUA_MYLIBS += -lreadline -lhistory -lncurses
+	LUA_MYCFLAGS += -DLUA_USE_LINUX
+else
+	LUA_MYCFLAGS += -DLUA_USE_POSIX
+endif
 
-lua: readline ncurses lua-bins lua-libs
+define LUA_BUILD_CMDS
+	sed -i -e 's/-O2//' $(@D)/src/Makefile
+	sed -i -e 's/\/usr\/local/\/usr/' $(@D)/etc/lua.pc
+	$(MAKE) $(TARGET_CONFIGURE_OPTS) MYCFLAGS="$(LUA_MYCFLAGS)" \
+	MYLIBS="$(LUA_MYLIBS)" AR="$(TARGET_CROSS)ar rcu" \
+	PKG_VERSION=$(LUA_VERSION) -C $(@D)/src all
+endef
+
+ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
+define LUA_INSTALL_STAGING_SHARED_LIB
+	$(INSTALL) -D $(@D)/src/liblua.so.$(LUA_VERSION) \
+		$(STAGING_DIR)/usr/lib/liblua.so.$(LUA_VERSION)
+	ln -sf liblua.so.$(LUA_VERSION) $(STAGING_DIR)/usr/lib/liblua.so
+endef
+endif
 
-lua-source: $(DL_DIR)/$(LUA_SOURCE)
+define LUA_INSTALL_STAGING_CMDS
+	$(INSTALL) -m 0644 -D $(@D)/etc/lua.pc \
+		$(STAGING_DIR)/usr/lib/pkgconfig
+	$(INSTALL) $(@D)/src/liblua.a $(STAGING_DIR)/usr/lib
+	$(INSTALL) $(@D)/src/lua $(STAGING_DIR)/usr/bin
+	$(INSTALL) $(@D)/src/luac $(STAGING_DIR)/usr/bin
+	$(INSTALL) $(@D)/src/lua.h $(STAGING_DIR)/usr/include
+	$(INSTALL) $(@D)/src/luaconf.h $(STAGING_DIR)/usr/include
+	$(INSTALL) $(@D)/src/lualib.h $(STAGING_DIR)/usr/include
+	$(INSTALL) $(@D)/src/lauxlib.h $(STAGING_DIR)/usr/include
+endef
+
+ifeq ($(BR2_PACKAGE_LUA_INTERPRETER),y)
+define LUA_INSTALL_INTERPRETER
+	$(INSTALL) $(@D)/src/lua $(TARGET_DIR)/usr/bin
+endef
+endif
 
-lua-clean:
-	rm -f $(STAGING_DIR)/usr/bin/lua $(TARGET_DIR)/usr/bin/luac
-	rm -f $(STAGING_DIR)/usr/lib/liblua.a
-	rm -f $(TARGET_DIR)/usr/bin/lua $(TARGET_DIR)/usr/bin/luac
-	rm -f $(TARGET_DIR)/usr/lib/liblua.a
-	-$(MAKE) -C $(LUA_DIR) clean
+ifeq ($(BR2_PACKAGE_LUA_COMPILER),y)
+define LUA_INSTALL_COMPILER
+	$(INSTALL) $(@D)/src/luac $(TARGET_DIR)/usr/bin
+endef
+endif
 
-lua-dirclean:
-	rm -rf $(LUA_DIR)
+ifeq ($(BR2_PACKAGE_LUA_SHARED_LIBRARY),y)
+define LUA_INSTALL_LIBRARY
+	$(INSTALL) $(@D)/src/liblua.so.$(LUA_VERSION) \
+		$(TARGET_DIR)/usr/lib/liblua.so.$(LUA_VERSION)
+	ln -sf liblua.so.$(LUA_VERSION) $(TARGET_DIR)/usr/lib/liblua.so
+	$(INSTALL) $(@D)/src/liblua.a $(TARGET_DIR)/usr/lib/liblua.a
+endef
+else
+define LUA_INSTALL_LIBRARY
+	$(INSTALL) $(@D)/src/liblua.a $(TARGET_DIR)/usr/lib/liblua.a
+endef
+endif
 
-#############################################################
-#
-# Toplevel Makefile options
-#
-#############################################################
-ifeq ($(BR2_PACKAGE_LUA),y)
-TARGETS+=lua
+ifeq ($(BR2_HAVE_DEVFILES),y)
+define LUA_INSTALL_DEVFILES
+	$(INSTALL) -m 0644 -D $(@D)/etc/lua.pc \
+		$(TARGET_DIR)/usr/lib/pkgconfig/lua.pc
+	$(INSTALL) $(@D)/src/lua.h $(TARGET_DIR)/usr/include
+	$(INSTALL) $(@D)/src/luaconf.h $(TARGET_DIR)/usr/include
+	$(INSTALL) $(@D)/src/lualib.h $(TARGET_DIR)/usr/include
+	$(INSTALL) $(@D)/src/lauxlib.h $(TARGET_DIR)/usr/include
+endef
 endif
+
+define LUA_INSTALL_TARGET_CMDS
+	$(LUA_INSTALL_INTERPRETER)
+	$(LUA_INSTALL_COMPILER)
+	$(LUA_INSTALL_LIBRARY)
+	$(LUA_INSTALL_DEVFILES)
+endef
+
+LUA_INSTALLED_FILES = \
+	/usr/include/lua.h \
+	/usr/include/luaconf.h \
+	/usr/include/lualib.h \
+	/usr/include/lauxlib.h \
+	/usr/lib/pkgconfig/lua.pc \
+	/usr/bin/lua \
+	/usr/bin/luac \
+	/usr/lib/liblua.a \
+	/usr/lib/liblua.so*
+
+define LUA_UNINSTALL_STAGING_CMDS
+	for i in $(LUA_INSTALLED_FILES); do \
+		rm -f $(STAGING_DIR)$$i; \
+	done
+endef
+
+define LUA_UNINSTALL_TARGET_CMDS
+	for i in $(LUA_INSTALLED_FILES); do \
+		rm -f $(TARGET_DIR)$$i; \
+	done
+endef
+
+define LUA_CLEAN_CMDS
+	-$(MAKE) -C $(@D) clean
+endef
+
+$(eval $(call GENTARGETS,package,lua))