Bump LLVM version to 5.0

This required updating the utility script
because llvm-config's version is now
5.0.0svn.

Author: CodaFi

.travis.yml

@@ -18,7 +18,7 @@ matrix:
     sudo: required
     dist: trusty
     env:
-    - LLVM_API_VERSION=4.0
+    - LLVM_API_VERSION=5.0
     before_install:
     - export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:"${PKG_CONFIG_PATH}"
     - wget -O - http://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -

utils/make-pkgconfig.swift

@@ -68,6 +68,7 @@ func makeFile() throws {
 
   let versionStr = run(llvmConfig, args: ["--version"])!
                      .replacing(charactersIn: .newlines, with: "")
+                     .replacingOccurrences(of: "svn", with: "")
   let components = versionStr.components(separatedBy: ".")
                              .flatMap { Int($0) }