Rewrite ext setup scripts + module-cc irony path

ext/setup-cc.sh

@@ -1,27 +1,48 @@
 #!/usr/bin/env bash
 
-cd ~/.emacs.d/ext
-source ./VARS
-
-LLVMV="3.8.0"
-LLVM="clang+llvm-${LLVMV}-x86_64-apple-darwin"
+source VARS
 
 #
 echo "Setting up C/C++ (irony-mode)"
 
-if is-mac; then
-    brew install cmake
-	brew install llvm --with-clang
-fi
+case "$OSTYPE" in
+    darwin*)
+        brew install cmake
+        brew install llvm --with-clang
+        ;;
+    linux*)
+        if is-arch; then
+            sudo pacman --noconfirm -S cmake clang
+        elif is-deb; then
+            echo "Not implemented"
+            exit 1
+        fi
+        ;;
+esac
 
 # Build irony-server
 git-repo "https://github.com/Sarcasm/irony-mode" "irony-mode"
+
+# Reset build directory
 cd irony-mode/server
 [ -d build ] && rm -rf build
 mkdir build && cd build
-cmake -DCMAKE_INSTALL_RPATH_USE_LINK_PATH\=ON \
-    -DCMAKE_INSTALL_PREFIX\=${CACHE_DIR}/irony/ ../ && \
-    cmake --build . --use-stderr --config Release --target install
-install_name_tool -change @rpath/libclang.dylib \
-    /usr/local/opt/llvm/lib/libclang.dylib \
-    ${CACHE_DIR}/irony/bin/irony-server
+
+DEST="$(pwd)/irony-mode/server/build/irony/"
+
+# Compile
+if is-mac
+then
+    cmake -DCMAKE_INSTALL_RPATH_USE_LINK_PATH\=ON \
+          -DCMAKE_INSTALL_PREFIX\="$DEST" ../
+else
+    cmake -DCMAKE_INSTALL_PREFIX\="$DEST" ../
+fi
+cmake --build . --use-stderr --config Release --target install
+
+if is-mac
+then
+    install_name_tool -change @rpath/libclang.dylib \
+        /usr/local/opt/llvm/lib/libclang.dylib \
+        $DEST/bin/irony-server
+fi