expat: use release archive

SynoCommunity#4545 (comment)

cross/expat/Makefile

@@ -1,10 +1,9 @@
 PKG_NAME = expat
 PKG_VERS = 2.2.7
-PKG_EXT = tar.gz
-PKG_DIST_NAME = R_2_2_7.$(PKG_EXT)
-PKG_DIST_SITE = https://github.com/lib$(PKG_NAME)/lib$(PKG_NAME)/archive/refs/tags
-PKG_DIST_FILE = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)
-PKG_DIR = lib$(PKG_NAME)-R_2_2_7/$(PKG_NAME)
+PKG_EXT = tar.bz2
+PKG_DIST_NAME = $(PKG_NAME)-$(PKG_VERS).$(PKG_EXT)
+PKG_DIST_SITE = https://github.com/libexpat/lib$(PKG_NAME)/releases/download/R_$(subst .,_,$(PKG_VERS))
+PKG_DIR = $(PKG_NAME)-$(PKG_VERS)
 
 DEPENDS =
 
@@ -13,13 +12,8 @@ COMMENT  = Expat is an XML parser library written in C. It is a stream-oriented
 LICENSE  = MIT
 
 GNU_CONFIGURE = 1
-PRE_CONFIGURE_TARGET = expat_pre_configure
 
 # TODO check "getrandom" syscall availability for each arch/DSM versions
 CONFIGURE_ARGS = CFLAGS=-DXML_POOR_ENTROPY
 
 include ../../mk/spksrc.cross-cc.mk
-
-.PHONY: expat_pre_configure
-expat_pre_configure:
-	$(RUN) ./buildconf.sh

cross/expat/digests

@@ -1,3 +1,3 @@
-expat-2.2.7.tar.gz SHA1 fedb0c4c822374fc4e03fbd1ca996f3ac8aa2781
-expat-2.2.7.tar.gz SHA256 4efe89dfd8c2f9b971bf9089efa4cc163ac997a75da92c08be14d80a091474e6
-expat-2.2.7.tar.gz MD5 bbcf74b466f9f49a985921e26f7244de
+expat-2.2.7.tar.bz2 SHA1 9c8a268211e3f1ae31c4d550e5be7708973ec6a6
+expat-2.2.7.tar.bz2 SHA256 cbc9102f4a31a8dafd42d642e9a3aa31e79a0aedaa1f6efd2795ebc83174ec18
+expat-2.2.7.tar.bz2 MD5 72f36b87cdb478aba1e78473393766aa