Switch to new package format

recipe.sh

@@ -0,0 +1,23 @@
+# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
+# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
+
+# The build function is executed in the source directory
+# This function is used to compile the source code
+build() {
+  cmake -B build \
+        -D CMAKE_POLICY_VERSION_MINIMUM=3.5 \
+        -D CMAKE_INSTALL_PREFIX=/usr \
+        -D INSTALL_HELPER_SCRIPTS=0
+  cmake --build build
+}
+
+# The package function is executed in the source directory
+# This function is used to move the compiled files into the output directory
+package() {
+  DESTDIR="$BPM_OUTPUT" cmake --install build
+
+  # Install package licenses
+  install -Dm644 "$BPM_SOURCE"/docs/lgpl-3.0.txt "$BPM_OUTPUT"/usr/share/licenses/lensfun/lgpl-3.0.txt
+  install -Dm644 "$BPM_SOURCE"/docs/cc-by-sa-3.0.txt "$BPM_OUTPUT"/usr/share/licenses/lensfun/cc-by-sa-3.0.txt
+}