debian/libnx-x11.postinst: Don't use dpkg-architecture (bin:package dpkg-dev) in…

debian/changelog

@@ -5,6 +5,10 @@ nx-libs (2:3.5.0.28-0x2go1) UNRELEASED; urgency=medium
   * Add 025_nxcomp-fix-ftbfs-against-jpeg9a.full+lite.patch. Fix FTBFS when
     built against libjpeg9a. Thanks to Gabriel Marcano for sending this in.
     (Fixes: #578).
+  * debian/libnx-x11.postinst:
+    + Don't use dpkg-architecture (bin:package dpkg-dev) in postinst script.
+      Instead prep a libnx-x11.postinst script at build time. (Fixes:
+      #621).
 
   [ Nito Martinez ]
   * Add 400_nxcomp-version.full+lite.patch. Allow 4-digit version comparison

debian/libnx-x11.postinst → debian/libnx-x11.postinst.in

@@ -23,11 +23,9 @@ case "$1" in
 		### FIXME: this is a work-around while we have not implemented
 		###        multiarch support into the Debian source package of
 		###        nx-libs.
-		if dpkg-architecture -qDEB_BUILD_MULTIARCH 1>/dev/null 2>/dev/null; then
-			libdir=/usr/lib/$(dpkg-architecture -qDEB_BUILD_MULTIARCH)
-		else
-			libdir=/usr/lib
-		fi
+
+		libdir=/usr/lib/#DEB_BUILD_MULTIARCH#
+
 		rm -f /usr/lib/nx/X11/Xinerama/libNX_X11.so.6
 		rm -f /usr/lib/nx/X11/Xinerama/libNX_Xext.so.6
 		if test -e $libdir/libX11.so.6; then

debian/rules

@@ -21,6 +21,7 @@ override_dh_clean:
 	rm -f nx-X11/programs/Xserver/hw/nxagent/changelog
 	rm -f nx-X11/programs/nxauth/changelog
 	rm -Rf replace.sh Makefile bin rgb VERSION.x2goagent etc/keystrokes.cfg
+	rm -f debian/libnx-x11.postinst
 	dh_clean
 
 override_dh_auto_install:
@@ -45,6 +46,9 @@ override_dh_auto_build:
 	ln -sf VERSION.x2goagent debian/VERSION
 	ln -sf nxcomp/VERSION debian/VERSION
 
+	# let's prep the libnx-x11.postinst script with the value of the build systems's DEB_BUILD_MULTIARCH variable
+	sed debian/libnx-x11.postinst.in -e 's/#DEB_BUILD_MULTIARCH#/$(DEB_BUILD_MULTIARCH)/' > debian/libnx-x11.postinst
+
 	# remove bundled libraries (keep this in sync with roll-tarball.sh)
 	rm -Rf nx-X11/extras/{drm,expat,fontconfig,freetype2,fonts,ogl-sample,regex,rman,ttf2pt1,x86emu,zlib}
 	rm -Rf nx-X11/lib/{expat,fontconfig,fontenc,font/FreeType,font/include/fontenc.h,freetype2,regex,zlib}