VPN-6738: Statically link socksproxy to OpenSSL for Static Qt (#10060)

* Statically link socksproxy to OpenSSL for Static Qt
* Set OPENSSL_USE_STATIC_LIBS in the debian/rules file instead
* Upgrade Linux source bundle job to Ubuntu-22.04

.github/workflows/linux.yaml

@@ -16,7 +16,7 @@ concurrency:
 jobs:
   source-bundle:
     name: Source Bundle
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout sources
         uses: actions/checkout@v4
@@ -35,9 +35,7 @@ jobs:
 
       - name: Build source bundle
         shell: bash
-        env:
-          GITREF: ${{github.ref}}
-        run: ./scripts/linux/script.sh --source --gitref ${GITREF}
+        run: ./scripts/linux/script.sh --source --gitref ${{github.ref}}
 
       - name: Upload source bundle
         uses: actions/upload-artifact@v4

linux/debian/rules

@@ -11,13 +11,22 @@ ifneq (ok,$(shell dpkg --compare-versions $(GOLANG_NATIVE_VERSION) ge 2:1.18 &&
 	export PATH := $(GODIR)/bin:$(PATH)
 endif
 
+# Check Qt features.
+QT_INSTALL_HEADERS := $(shell pkg-config --variable=includedir Qt6Core || qmake6 -query QT_INSTALL_HEADERS || true)
+qtfeature = $(shell test -d "$(QT_INSTALL_HEADERS)" && echo "$(1)" | gcc -I "$(QT_INSTALL_HEADERS)" -include QtCore/qconfig.h -E - | grep -e '^[[:alnum:]_-]')
+ifeq (1,$(call qtfeature,QT_FEATURE_static))
+ifeq (1,$(call qtfeature,QT_FEATURE_openssl_linked))
+	OPENSSL_BUILD_ARGS := -DOPENSSL_USE_STATIC_LIBS=ON
+endif
+endif
+
 CMAKE_BUILD_DIR := build-$(DEB_HOST_MULTIARCH)
 
 %:
 	dh $@ --with=systemd --buildsystem=cmake+ninja --builddirectory=$(CMAKE_BUILD_DIR) --warn-missing
 
 override_dh_auto_configure:
-	dh_auto_configure -- -DWEBEXT_INSTALL_LIBDIR=/lib -DBUILD_ID=$(DEB_VERSION) -DBUILD_TESTS=OFF
+	dh_auto_configure -- -DWEBEXT_INSTALL_LIBDIR=/lib -DBUILD_ID=$(DEB_VERSION) -DBUILD_TESTS=OFF ${OPENSSL_BUILD_ARGS}
 
 override_dh_auto_test: