Convert packages to {host,}makedepends and XBPS_CROSS_BUILD.

srcpkgs/python/template

@@ -14,8 +14,7 @@ pycompile_dirs="usr/lib/python2.7"
 subpackages="${pkgname}-devel"
 
 makedepends="libffi-devel readline-devel gdbm-devel openssl-devel
- expat-devel db-devel sqlite-devel bzip2-devel"
-crossmakedepends="${makedepends}"
+ expat-devel db-devel sqlite-devel bzip2-devel zlib-devel"
 
 # Force posix semaphores by default; sem_open requires /dev/shm and
 # it's not mounted in chroot.
@@ -23,10 +22,7 @@ _confargs="--with-threads --enable-ipv6 --with-signal-module --enable-shared
  --with-system-ffi --enable-unicode=ucs4 --with-system-expat
  --with-wctype-functions ac_cv_posix_semaphores_enabled=yes"
 
-if [ -n "$XBPS_CROSS_TRIPLET" ]; then
-	# Don't need host makedepends.
-	unset makedepends
-
+if [ "$XBPS_CROSS_BUILD" ]; then
 	# cross build; have to build it in 2 stages: native and host.
 	do_build() {
 		# Native build
@@ -39,15 +35,15 @@ if [ -n "$XBPS_CROSS_TRIPLET" ]; then
 		# Cross build
 		patch -Np1 -i ${FILESDIR}/Python-2.7.3-xcompile.patch
 		sed -i "/SQLITE_OMIT_LOAD_EXTENSION/d" setup.py
-		CFLAGS="$CFLAGS -I/usr/$XBPS_CROSS_TRIPLET/include" \
-			LDFLAGS="$LDFLAGS -L/usr/$XBPS_CROSS_TRIPLET/lib" \
+		CFLAGS="$CFLAGS -I$XBPS_CROSS_BASE/include" \
+			LDFLAGS="$LDFLAGS -L$XBPS_CROSS_BASE/lib" \
 			./configure ${CONFIGURE_SHARED_ARGS} \
 			${_confargs} ac_cv_buggy_getaddrinfo=no || return 1
 		make HOSTPYTHON=./hostpython HOSTPGEN=./Parser/hostpgen \
 			BLDSHARED="${XBPS_CROSS_TRIPLET}-gcc -shared" \
 			CROSS_COMPILE=$XBPS_CROSS_TARGET CROSS_COMPILE_TARGET=yes \
 			HOSTARCH=$XBPS_CROSS_TRIPLET BUILDARCH=$XBPS_MACHINE-unknown-linux-gnu \
-			PYTHON_XCOMPILE_DEPENDENCIES_PREFIX="/usr/$XBPS_CROSS_TRIPLET" \
+			PYTHON_XCOMPILE_DEPENDENCIES_PREFIX="$XBPS_CROSS_BASE" \
 			${makejobs} || return 1
 	}
 	do_install() {