Add missing CPP guards.

5 files changed, 25 insertions, 0 deletions

diff --git a/src/build_log.h b/src/build_log.h
index be12d85..a671467 100644
--- a/src/build_log.h
+++ b/src/build_log.h
@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef NINJA_BUILD_LOG_H_
+#define NINJA_BUILD_LOG_H_
+
 #include <map>
 #include <string>
 using namespace std;
@@ -61,3 +64,5 @@ struct BuildLog {
   BuildConfig* config_;
   bool needs_recompaction_;
 };
+
+#endif // NINJA_BUILD_LOG_H_
diff --git a/src/hash_map.h b/src/hash_map.h
index 45a83a9..dd63c01 100644
--- a/src/hash_map.h
+++ b/src/hash_map.h
@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef NINJA_MAP_H_
+#define NINJA_MAP_H_
+
 #include <ext/hash_map>
 
 using __gnu_cxx::hash_map;
@@ -24,3 +27,5 @@ struct hash<std::string> {
   }
 };
 }
+
+#endif // NINJA_MAP_H_
diff --git a/src/subprocess.h b/src/subprocess.h
index 35b7914..acdb625 100644
--- a/src/subprocess.h
+++ b/src/subprocess.h
@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef NINJA_SUBPROCESS_H_
+#define NINJA_SUBPROCESS_H_
+
 #include <string>
 #include <vector>
 #include <queue>
@@ -54,3 +57,5 @@ struct SubprocessSet {
   vector<Subprocess*> running_;
   queue<Subprocess*> finished_;
 };
+
+#endif // NINJA_SUBPROCESS_H_
diff --git a/src/test.h b/src/test.h
index 74ee430..988617f 100644
--- a/src/test.h
+++ b/src/test.h
@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef NINJA_TEST_H_
+#define NINJA_TEST_H_
+
 #include <gtest/gtest.h>
 
 #include "ninja.h"
@@ -53,3 +56,5 @@ struct VirtualFileSystem : public DiskInterface {
   typedef map<string, Entry> FileMap;
   FileMap files_;
 };
+
+#endif // NINJA_TEST_H_
diff --git a/src/util.h b/src/util.h
index e697b92..30544ca 100644
--- a/src/util.h
+++ b/src/util.h
@@ -12,6 +12,9 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+#ifndef NINJA_UTIL_H_
+#define NINJA_UTIL_H_
+
 // Dump a backtrace to stderr.
 // |skip_frames| is how many frames to skip;
 // DumpBacktrace implicitly skips itself already.
@@ -22,3 +25,5 @@ void Fatal(const char* msg, ...);
 
 // Log an error message.
 void Error(const char* msg, ...);
+
+#endif // NINJA_UTIL_H_