diff --git a/.travis.yml b/.travis.yml
index 6767649fe..98b83a15e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,7 +9,7 @@ matrix:
       addons:
          apt:
             sources: ['ubuntu-toolchain-r-test', 'llvm-toolchain-precise-3.6']
-            packages: ['clang-3.6', 'zlib1g-dev', 'libbz2-dev', 'libsnappy-dev']
+            packages: ['clang-3.6', 'zlib1g-dev', 'libbz2-dev', 'libsnappy-dev', 'libgflags-dev']
     - os: osx
       compiler: clang
 
diff --git a/build_tools/build_detect_platform b/build_tools/build_detect_platform
index fc8341e74..0e40ac52f 100755
--- a/build_tools/build_detect_platform
+++ b/build_tools/build_detect_platform
@@ -213,7 +213,7 @@ EOF
     fi
 
     # Test whether gflags library is installed
-    # http://code.google.com/p/gflags/
+    # http://gflags.github.io/gflags/
     # check if the namespace is gflags
     $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
       #include <gflags/gflags.h>