Switch to new download format

source.sh

@@ -2,18 +2,13 @@
 # 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/libunwind/libunwind/releases/download/v${BPM_PKG_VERSION}/libunwind-${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"
-
   cd "$BPM_SOURCE"
   # Fix GCC 15 error
   sed -i '/func.s/s/s//' tests/Gtest-nomalloc.c
+
   autoreconf -fi
 }
 
@@ -21,8 +16,10 @@ prepare() {
 # This function is used to compile the source code
 build() {
   ./configure --prefix=/usr --disable-static
+
   # prevent excessive overlinking due to libtool
   sed -i -e 's/ -shared / -Wl,-O1,--as-needed\0/g' libtool
+
   make
 }