Initial Commit

pkg.info

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+name: libpng
+description: PNG formatted image file manipulation library
+version: 1.6.47
+url: http://www.libpng.org/pub/png/libpng.html
+license: custom
+architecture: any
+depends: ["bash","zlib"]
+type: source

source.sh

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+# This is the source.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 $BPM_OUTPUT
+
+DOWNLOAD="https://github.com/pnggroup/libpng/archive/refs/tags/v${BPM_PKG_VERSION}.tar.gz"
+FILENAME="${DOWNLOAD##*/}"
+
+# The prepare function is executed in the root of the temp directory
+# This function is used for downloading files and putting them into the correct location
+prepare() {
+  wget "$DOWNLOAD"
+  tar -xvf "$FILENAME" --strip-components=1 -C "$BPM_SOURCE"
+}
+
+# The build function is executed in the source directory
+# This function is used to compile the source code
+build() {
+  ./configure --prefix=/usr --disable-static
+  make
+}
+
+# The check function is executed in the source directory
+# This function is used to run tests to verify the package has been compiled correctly
+check() {
+  make check
+}
+
+# The package function is executed in the source directory
+# This function is used to move the compiled files into the output directory
+package() {
+  make DESTDIR="$BPM_OUTPUT" install
+
+  install -Dm644 "$BPM_SOURCE"/LICENSE "$BPM_OUTPUT"/usr/share/licenses/libpng/LICENSE
+}