coreutils: fix cross compilation and manpages generation differently.

Rather than building a -doc subpkg that is only built in native builds,
build all utils in the host to be able to generate the manpages and then
install the result to DESTDIR.

This avoids and old and stupid issue while cross building base-system.

Close #1598

srcpkgs/coreutils-doc

@@ -1 +0,0 @@
-coreutils

srcpkgs/coreutils/template

@@ -4,7 +4,7 @@ version=8.23
 revision=6
 bootstrap=yes
 makedepends="gmp-devel acl-devel libcap-devel"
-replaces="chroot-coreutils>=0"
+replaces="chroot-coreutils>=0 coreutils-doc>=0"
 short_desc="The GNU core utilities"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://www.gnu.org/software/coreutils"
@@ -17,6 +17,18 @@ if [ "$CHROOT_READY" ]; then
 	hostmakedepends="perl"
 fi
 
+pre_configure() {
+	# Build natively all utils for the host, we need this to generate
+	# the manpages via help2man.
+	if [ "$CROSS_BUILD" ]; then
+		CC=cc LD=ld AR=ar RANLIB=ranlib CFLAGS=-Os CXXFLAGS=-Os LDFLAGS= \
+			./configure --prefix=${wrksrc}/coreutils-${XBPS_MACHINE}
+		make ${makejobs}
+		make install
+		make distclean
+	fi
+}
+
 do_configure() {
 	if [ "$CROSS_BUILD" ]; then
 		configure_args+=" fu_cv_sys_stat_statfs2_bsize=no
@@ -51,22 +63,8 @@ do_build() {
 }
 do_install() {
 	make DESTDIR=${DESTDIR} install
-
 	if [ "$CROSS_BUILD" ]; then
-		rm -rf ${DESTDIR}/usr/share/info
+		mv ${wrksrc}/coreutils-${XBPS_MACHINE}/share/man \
+			${DESTDIR}/usr/share
 	fi
 }
-
-if [ -z "$CROSS_BUILD" ]; then
-
-coreutils-doc_package() {
-	noarch=yes
-	short_desc+=" - documentation files"
-	replaces="coreutils<8.20_4"
-	pkg_install() {
-		vmove usr/share/info
-		vmove usr/share/man
-	}
-}
-
-fi