diff --git a/info.yml b/info.yml
new file mode 100644
index 0000000..79ad78f
--- /dev/null
+++ b/info.yml
@@ -0,0 +1,15 @@
+name: unifdef
+description: Utility that selectively processes conditional C preprocessor
+version: "2.12"
+revision: 2
+url: https://dotat.at/prog/unifdef/
+license: BSD-2-Clause
+maintainers:
+  - enumdev@enumerated.dev
+architecture: any
+type: source
+downloads:
+  - url: https://dotat.at/prog/unifdef/unifdef-${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: fba564a24db7b97ebe9329713ac970627b902e5e9e8b14e19e024eb6e278d10b
diff --git a/pkg.info b/pkg.info
deleted file mode 100644
index 28db65a..0000000
--- a/pkg.info
+++ /dev/null
@@ -1,7 +0,0 @@
-name: unifdef
-description: Utility that selectively processes conditional C preprocessor #if and #ifdef directives and removes them
-version: 2.12
-url: https://dotat.at/prog/unifdef/
-license: BSD-2-Clause
-architecture: any
-type: source
diff --git a/source.sh b/recipe.sh
similarity index 74%
rename from source.sh
rename to recipe.sh
index e516ca8..fd6c8ae 100644
--- a/source.sh
+++ b/recipe.sh
@@ -1,15 +1,12 @@
-# This is the source.sh script. It is executed by BPM in a temporary directory when compiling a source package
+# 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
 
-DOWNLOAD="https://dotat.at/prog/unifdef/unifdef-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${DOWNLOAD##*/}"
-
 # The prepare function is executed in the root of the temp directory
-# This function is used for downloading files and putting them into the correct location
+# This function is used for putting downloaded files to the correct location or applying patches
 prepare() {
-  wget "$DOWNLOAD"
-  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
+  # Fix build with GCC 15
+  sed -i 's/constexpr/unifdef_&/g' "$BPM_SOURCE"/unifdef.c
 }
 
 # The build function is executed in the source directory
@@ -29,5 +26,6 @@ check() {
 package() {
   make DESTDIR="$BPM_OUTPUT" prefix=/usr install
 
+  # Install package license
   install -Dm644 "$BPM_SOURCE"/COPYING "$BPM_OUTPUT"/usr/share/licenses/unifdef/COPYING
 }