#############################################################
#
# m4
#
#############################################################
M4_SOURCE:=m4-1.4.tar.gz
M4_SITE:=ftp://ftp.gnu.org/gnu/m4
M4_CAT:=zcat
M4_DIR:=$(BUILD_DIR)/m4-1.4
M4_BINARY:=m4
M4_TARGET_BINARY:=usr/bin/m4

$(DL_DIR)/$(M4_SOURCE):
	 $(WGET) -P $(DL_DIR) $(M4_SITE)/$(M4_SOURCE)

m4-source: $(DL_DIR)/$(M4_SOURCE)

$(M4_DIR)/.unpacked: $(DL_DIR)/$(M4_SOURCE)
	$(M4_CAT) $(DL_DIR)/$(M4_SOURCE) | tar -C $(BUILD_DIR) -xvf -
	touch $(M4_DIR)/.unpacked

$(M4_DIR)/.configured: $(M4_DIR)/.unpacked
	(cd $(M4_DIR); rm -rf config.cache; \
		$(TARGET_CONFIGURE_OPTS) \
		CFLAGS="$(TARGET_CFLAGS)" \
		./configure \
		--target=$(GNU_TARGET_NAME) \
		--host=$(GNU_TARGET_NAME) \
		--build=$(GNU_HOST_NAME) \
		--prefix=/usr \
		--exec-prefix=/usr \
	);
	touch  $(M4_DIR)/.configured

$(M4_DIR)/src/$(M4_BINARY): $(M4_DIR)/.configured
	$(MAKE) CC=$(TARGET_CC) -C $(M4_DIR)

$(TARGET_DIR)/$(M4_TARGET_BINARY): $(M4_DIR)/src/$(M4_BINARY)
	$(MAKE) \
	    prefix=$(TARGET_DIR)/usr \
	    exec_prefix=$(TARGET_DIR)/usr \
	    bindir=$(TARGET_DIR)/usr/bin \
	    sbindir=$(TARGET_DIR)/usr/sbin \
	    libexecdir=$(TARGET_DIR)/usr/lib \
	    datadir=$(TARGET_DIR)/usr/share \
	    sysconfdir=$(TARGET_DIR)/etc \
	    localstatedir=$(TARGET_DIR)/var \
	    libdir=$(TARGET_DIR)/usr/lib \
	    infodir=$(TARGET_DIR)/usr/info \
	    mandir=$(TARGET_DIR)/usr/man \
	    includedir=$(TARGET_DIR)/usr/include \
	    -C $(M4_DIR) install;
	$(STRIP) $(TARGET_DIR)/$(M4_TARGET_BINARY) > /dev/null 2>&1
	rm -rf $(TARGET_DIR)/share/locale $(TARGET_DIR)/usr/info \
		$(TARGET_DIR)/usr/man $(TARGET_DIR)/usr/share/doc

m4: uclibc $(TARGET_DIR)/$(M4_TARGET_BINARY)

m4-clean:
	$(MAKE) DESTDIR=$(TARGET_DIR) CC=$(TARGET_CC) -C $(M4_DIR) uninstall
	-$(MAKE) -C $(M4_DIR) clean

m4-dirclean:
	rm -rf $(M4_DIR)