Added version.h that is prepopulated by cmake.

.gitignore

@@ -1 +1,2 @@
 build/
+include/yaml-cpp/version.h

CMakeLists.txt

@@ -116,6 +116,8 @@ include_directories(${YAML_CPP_SOURCE_DIR}/include)
 find_package(Boost REQUIRED)
 include_directories(${Boost_INCLUDE_DIRS})
 
+# Create version.h
+configure_file(${header_directory}/version.h.in ${CMAKE_SOURCE_DIR}/${header_directory}/version.h)
 
 ###
 ### General compilation settings

include/yaml-cpp/version.h.in

@@ -0,0 +1,17 @@
+#ifndef YAML_CPP_VERSION_H
+#define YAML_CPP_VERSION_H
+
+#if defined(_MSC_VER) ||                                            \
+    (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || \
+     (__GNUC__ >= 4))  // GCC supports "pragma once" correctly since 3.4
+#pragma once
+#endif
+
+#define YAML_CPP_VERSION_MAJOR ${YAML_CPP_VERSION_MAJOR}
+#define YAML_CPP_VERSION_MINOR ${YAML_CPP_VERSION_MINOR}
+#define YAML_CPP_VERSION_PATCH ${YAML_CPP_VERSION_PATCH}
+
+// String representation of the current version (ie. "0.1.2")
+#define YAML_CPP_VERSION "${YAML_CPP_VERSION}"
+
+#endif  // YAML_CPP_VERSION_H

test/version_test.cpp

@@ -0,0 +1,27 @@
+#include "yaml-cpp/version.h"
+
+#include "gtest/gtest.h"
+
+namespace YAML {
+namespace {
+TEST(VersionTest, Major)
+{
+  ASSERT_EQ(YAML_CPP_VERSION_MAJOR, 0);
+}
+
+TEST(VersionTest, Minor)
+{
+  ASSERT_EQ(YAML_CPP_VERSION_MINOR, 5);
+}
+
+TEST(VersionTest, Path)
+{
+  ASSERT_EQ(YAML_CPP_VERSION_PATCH, 2);
+}
+
+TEST(VersionTest, String)
+{
+  ASSERT_STREQ(YAML_CPP_VERSION, "0.5.2");
+}
+}
+}