xbps-src: New build-style qmake

Manual.md

@@ -596,6 +596,12 @@ be defined to set the allowed python versions to be built, i.e:
 - `slashpackage` For packages that use the /package hierarchy and package/compile to build,
 such as `daemontools` or any `djb` software.
 
+- `qmake` For packages that use Qt4/Qt5 qmake profiles (`*.pro`), qmake arguments
+for the configure phase can be passed in via `configure_args`, make build arguments can
+be passed in via `make_build_args` and install arguments via `make_install_args`. The build
+target can be overridden via `make_build_target` and the install target
+via `make_install_target`.
+
 > If `build_style` is not set, the template must (at least) define a
 `do_install()` function and optionally more phases via `do_xxx()` functions.
 

common/build-style/qmake.sh

@@ -0,0 +1,28 @@
+#
+# This helper is for templates using Qt4/Qt5 qmake.
+#
+do_configure() {
+	: ${configure_script:=qmake}
+
+	if [ -n "$build_pie" ]; then
+		${configure_script} ${configure_args} \
+			QMAKE_LFLAGS_SHLIB+=" -Wl,-z,now" \
+			QMAKE_LFLAGS_PLUGIN+=" -Wl,-z,now"
+	else
+		${configure_script} ${configure_args}
+	fi
+}
+
+do_build() {
+	: ${make_cmd:=make}
+
+	${make_cmd} ${makejobs} ${make_build_args} ${make_build_target}
+}
+
+do_install() {
+	: ${make_cmd:=make}
+	: ${make_install_target:=install}
+
+	${make_cmd} STRIP=true PREFIX=/usr DESTDIR=${DESTDIR} \
+		INSTALL_ROOT=${DESTDIR}/usr ${make_install_args} ${make_install_target}
+}