tcl: cleanups

No need to set DEPENDS_class-native explicitly as self-dependencies are ignored
now.

Don't rewrite do_configure, autotools_do_configure works.

Actually invoke the install-private-headers target (autotools_do_install doesn't
take arguments).

Remove redundant cd.

(From OE-Core rev: e41c0827f54ea81274df98473e27263ef7e02c8d)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/tcltk/tcl_8.6.6.bb

@@ -35,23 +35,15 @@ VER = "${PV}"
 
 inherit autotools ptest binconfig
 
-DEPENDS_class-native = "zlib-native"
-
 EXTRA_OECONF = "--enable-threads --disable-rpath --libdir=${libdir}"
 
-do_configure() {
-	cd ${S}
-	gnu-configize
-	cd ${B}
-	oe_runconf
-}
-
 do_compile_prepend() {
 	echo > ${S}/../compat/fixstrtod.c
 }
 
 do_install() {
-	autotools_do_install install-private-headers
+	autotools_do_install
+	oe_runmake 'DESTDIR=${D}' install-private-headers
 	ln -sf ./tclsh${VER} ${D}${bindir}/tclsh
 	ln -sf tclsh8.6 ${D}${bindir}/tclsh${VER}
 	sed -i "s;-L${B};-L${STAGING_LIBDIR};g" tclConfig.sh
@@ -59,7 +51,6 @@ do_install() {
 	install -d ${D}${bindir_crossscripts}
 	install -m 0755 tclConfig.sh ${D}${bindir_crossscripts}
 	install -m 0755 tclConfig.sh ${D}${libdir}
-	cd ..
 	for dir in compat generic unix; do
 		install -d ${D}${includedir}/${BPN}${VER}/$dir
 		install -m 0644 ${S}/../$dir/*.h ${D}${includedir}/${BPN}${VER}/$dir/