debian/rules: Enable -fPIE / -pie hardening support for nxagent and nxproxy.

debian/rules

@@ -2,7 +2,7 @@
 
 NULL =
 
-export DEB_BUILD_MAINT_OPTIONS = hardening=+bindnow
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
 DPKG_EXPORT_BUILDFLAGS = 1
 include /usr/share/dpkg/buildflags.mk
 
@@ -52,7 +52,7 @@ override_dh_auto_install:
 
 override_dh_auto_build:
 
-	PREFIX=/usr dh_auto_build --parallel -- CDEBUGFLAGS="$(CPPFLAGS) $(CFLAGS)" LOCAL_LDFLAGS="$(LDFLAGS)" SHLIBGLOBALSFLAGS="$(LDFLAGS)" SHLIBDIR="$(LIBDIR)"
+	PREFIX=/usr dh_auto_build --parallel -- CDEBUGFLAGS="$(CPPFLAGS) $(CFLAGS)" LOCAL_LDFLAGS="$(LDFLAGS)" SHLIBGLOBALSFLAGS='$(filter-out -pie,$(LDFLAGS))' SHLIBDIR="$(LIBDIR)"
 
 override_dh_strip:
 	dh_strip -plibnx-x11-6 --dbg-package=libnx-x11-6-dbg