apt: use termux docbook-xsl-nons

packages/apt/build.sh

@@ -3,11 +3,12 @@ TERMUX_PKG_DESCRIPTION="Front-end for the dpkg package manager"
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION=2.3.7
-TERMUX_PKG_REVISION=3
+TERMUX_PKG_REVISION=4
 TERMUX_PKG_SRCURL=http://deb.debian.org/debian/pool/main/a/apt/apt_${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_SHA256=c946a126263b3ea51a15216689602367c0da95d6878b76dc891ea335d87bd936
 # apt-key requires utilities from coreutils, findutils, gpgv, grep, sed.
 TERMUX_PKG_DEPENDS="coreutils, dpkg, findutils, gpgv, grep, libandroid-glob, libbz2, libc++, libcurl, libgnutls, liblz4, liblzma, sed, termux-licenses, xxhash, zlib"
+TERMUX_PKG_BUILD_DEPENDS="docbook-xsl"
 TERMUX_PKG_CONFLICTS="apt-transport-https, libapt-pkg"
 TERMUX_PKG_REPLACES="apt-transport-https, libapt-pkg"
 TERMUX_PKG_RECOMMENDS="game-repo, science-repo"
@@ -27,7 +28,6 @@ TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
 -DDPKG_DATADIR=$TERMUX_PREFIX/share/dpkg
 -DUSE_NLS=OFF
 -DWITH_DOC=OFF
--DDOCBOOK_XSL=/usr/share/xml/docbook/stylesheet/docbook-xsl
 "
 
 # ubuntu uses instead $PREFIX/lib instead of $PREFIX/libexec to
@@ -64,6 +64,10 @@ termux_step_pre_configure() {
 	CXXFLAGS+=" -Wno-c++11-narrowing"
 	# Fix glob() on Android 7.
 	LDFLAGS+=" -Wl,--no-as-needed -landroid-glob"
+
+	# for manpage build
+	local docbook_xsl_version=$(. $TERMUX_SCRIPTDIR/packages/docbook-xsl/build.sh; echo $TERMUX_PKG_VERSION)
+	TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" -DDOCBOOK_XSL=$TERMUX_PREFIX/share/xml/docbook/xsl-stylesheets-$docbook_xsl_version-nons"
 }
 
 termux_step_post_make_install() {