Update package version to 21.1.4

source.sh

@@ -2,32 +2,18 @@
 # 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/llvm/llvm-project/releases/download/llvmorg-${BPM_PKG_VERSION}/libclc-${BPM_PKG_VERSION}.src.tar.xz"
-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() {
-  mkdir build
-  cd build
-
-  cmake -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -G Ninja ..
-  ninja
+  cmake -B build -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Release -G Ninja
+  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() {
-  cd build
-  
-  DESTDIR="$BPM_OUTPUT" ninja install
+  DESTDIR="$BPM_OUTPUT" cmake --install build
 
-  install -Dm644 ../LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/libclc/LICENSE.TXT
+  # Install package license
+  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/libclc/LICENSE.TXT
 }