makes Qt path and openssl path depend on environment variable

provide default value that may work outside our docker build images

will get sensible value when run inside our official docker build images

Signed-off-by: Matthieu Gallien <matthieu.gallien@nextcloud.com>

admin/linux/build-appimage.sh

@@ -7,6 +7,8 @@ export EXECUTABLE_NAME=${EXECUTABLE_NAME:-nextcloud}
 export BUILD_UPDATER=${BUILD_UPDATER:-OFF}
 export BUILDNR=${BUILDNR:-0000}
 export DESKTOP_CLIENT_ROOT=${DESKTOP_CLIENT_ROOT:-/home/user}
+export QT_BASE_DIR=${QT_BASE_DIR:-/usr}
+export OPENSSL_ROOT_DIR=${OPENSSL_ROOT_DIR:-/usr/lib/x86_64-linux-gnu}
 
 # Set defaults
 export SUFFIX=${DRONE_PULL_REQUEST:=master}
@@ -24,8 +26,8 @@ mkdir build-client
 cd build-client
 cmake \
     -G Ninja \
-    -DCMAKE_PREFIX_PATH=/opt/qt6.6.3 \
-    -DOPENSSL_ROOT_DIR=/usr/local/lib64 \
+    -DCMAKE_PREFIX_PATH=${QT_BASE_DIR} \
+    -DOPENSSL_ROOT_DIR=${OPENSSL_ROOT_DIR} \
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DBUILD_TESTING=OFF \
     -DBUILD_UPDATER=$BUILD_UPDATER \
@@ -70,7 +72,7 @@ chmod a+x ${APPIMAGE_NAME}
 rm ./${APPIMAGE_NAME}
 cp -r ./squashfs-root ./linuxdeploy-squashfs-root
 
-export LD_LIBRARY_PATH=/app/usr/lib:/opt/qt6.6.3/lib:/usr/local/lib/x86_64-linux-gnu:/usr/local/lib:/usr/local/lib64
+export LD_LIBRARY_PATH=/app/usr/lib:${QT_BASE_DIR}/lib:/usr/local/lib/x86_64-linux-gnu:/usr/local/lib:/usr/local/lib64
 ./linuxdeploy-squashfs-root/AppRun --desktop-file=${DESKTOP_FILE} --icon-file=usr/share/icons/hicolor/512x512/apps/${APPNAME}.png --executable=usr/bin/${EXECUTABLE_NAME} --appdir=AppDir
 
 # Use linuxdeploy-plugin-qt to deploy qt dependencies
@@ -81,7 +83,7 @@ chmod a+x ${APPIMAGE_NAME}
 rm ./${APPIMAGE_NAME}
 cp -r ./squashfs-root ./linuxdeploy-plugin-qt-squashfs-root
 
-export PATH=/opt/qt6.6.3/bin:${PATH}
+export PATH=${QT_BASE_DIR}/bin:${PATH}
 export QML_SOURCES_PATHS=${DESKTOP_CLIENT_ROOT}/src/gui
 ./linuxdeploy-plugin-qt-squashfs-root/AppRun --appdir=AppDir