Switch to new download format and fix description

pkg.info

@@ -1,10 +1,19 @@
 name: mpc
-description: Minimalist command line interface to MPD
+description: Library for the arithmetic of complex numbers with arbitrarily high precision
 version: 1.3.1
-revision: 2
+revision: 3
 url: https://www.multiprecision.org/
 license: GPL2-or-later
+maintainers:
+  - [email protected]
 architecture: any
-depends: ["glibc","gmp","mpfr"]
-make_depends: ["bash","binutils","coreutils","diffutils","gawk","gcc","glibc","grep","gmp","make","mpfr","sed","texinfo"]
 type: source
+depends:
+  - glibc
+  - gmp
+  - mpfr
+downloads:
+  - url: https://ftpmirror.gnu.org/gnu/mpc/mpc-${BPM_PKG_VERSION}.tar.gz
+    extract_to: ${BPM_SOURCE}
+    extract_strip_components: 1
+    checksum: ab642492f5cf882b74aa0cb730cd410a81edcdbec895183ce930e706c1c759b8

source.sh

@@ -2,16 +2,6 @@
 # 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://ftpmirror.gnu.org/gnu/mpc/mpc-${BPM_PKG_VERSION}.tar.gz"
-FILENAME="${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 "$BPM_SOURCE"
-}
-
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
@@ -33,6 +23,7 @@ check() {
 package() {
   make DESTDIR="$BPM_OUTPUT" install
   make DESTDIR="$BPM_OUTPUT" install-html
-  mkdir -p "$BPM_OUTPUT"/usr/share/licenses/mpc
+
-  cp COPYING.LESSER "$BPM_OUTPUT"/usr/share/licenses/mpc/COPYING.LESSER
+  # Install package license
+  install -Dm644 COPYING.LESSER "$BPM_OUTPUT"/usr/share/licenses/mpc/COPYING.LESSER
 }