From 928effd198303176c8feeabf36a55800394f20f1 Mon Sep 17 00:00:00 2001
From: Vitaly Isaev <isaev@corp.sputnik.ru>
Date: Wed, 13 May 2015 15:15:59 +0300
Subject: Debianization with CPack

---
 CMake/PackageDebian.cmake | 57 +++++++++++++++++++++++++++++++++++++++++++++++
 CMakeLists.txt            |  4 ++++
 2 files changed, 61 insertions(+)
 create mode 100644 CMake/PackageDebian.cmake

diff --git a/CMake/PackageDebian.cmake b/CMake/PackageDebian.cmake
new file mode 100644
index 00000000..ebe89314
--- /dev/null
+++ b/CMake/PackageDebian.cmake
@@ -0,0 +1,57 @@
+# ------------------- Debianization ---------------------
+if (UNIX)
+
+    # Set build environment
+    SET(CPACK_GENERATOR "TGZ;DEB")
+    SET(CPACK_SOURCE_TGZ "ON")
+
+    # Common package information
+    SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY
+        "FlatBuffers is an efficient cross platform serialization library for C++, with support for Java, C# and Go. It was created at Google specifically for game development and other performance-critical applications.")
+    SET(CPACK_DEBIAN_PACKAGE_HOMEPAGE "https://github.com/google/flatbuffers")
+    SET(CPACK_DEBIAN_PACKAGE_MAINTAINER "Vitaly Isaev <vitalyisaev2@gmail.com>")
+
+    # Derive package version from git
+    EXECUTE_PROCESS(
+        COMMAND date +%Y%m%d
+        OUTPUT_VARIABLE DATE
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    EXECUTE_PROCESS(
+      COMMAND git describe
+      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+      OUTPUT_VARIABLE GIT_DESCRIBE_DIRTY
+      OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+    string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" VERSION_MAJOR "${GIT_DESCRIBE_DIRTY}")
+    string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" VERSION_MINOR "${GIT_DESCRIBE_DIRTY}")
+    string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" VERSION_PATCH "${GIT_DESCRIBE_DIRTY}")
+    string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" VERSION_COMMIT "${GIT_DESCRIBE_DIRTY}")
+    SET(CPACK_PACKAGE_VERSION_MAJOR ${VERSION_MAJOR})
+    SET(CPACK_PACKAGE_VERSION_MINOR ${VERSION_MINOR})
+    SET(CPACK_PACKAGE_VERSION_PATCH ${VERSION_PATCH})
+    SET(CPACK_PACKAGE_VERSION "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-${VERSION_COMMIT}")
+    SET(CPACK_DEBIAN_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION}")
+
+    # Derive architecture
+    IF(NOT CPACK_DEBIAN_PACKAGE_ARCHITECTURE)
+      FIND_PROGRAM(DPKG_CMD dpkg)
+      IF(NOT DPKG_CMD)
+        MESSAGE(STATUS "Can not find dpkg in your path, default to i386.")
+        SET(CPACK_DEBIAN_PACKAGE_ARCHITECTURE i386)
+      ENDIF(NOT DPKG_CMD)
+      EXECUTE_PROCESS(COMMAND "${DPKG_CMD}" --print-architecture
+        OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        )
+    ENDIF(NOT CPACK_DEBIAN_PACKAGE_ARCHITECTURE)
+
+    # Package name
+    SET(CPACK_DEBIAN_PACKAGE_NAME "flatbuffers")
+    SET(CPACK_RESOURCE_FILE_LICENSE ${CMAKE_SOURCE_DIR}/LICENSE.txt)
+    SET(CPACK_PACKAGE_FILE_NAME 
+        "${CPACK_DEBIAN_PACKAGE_NAME}_${CPACK_DEBIAN_PACKAGE_VERSION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")
+
+endif(UNIX)
+
+INCLUDE(CPack)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 81c9e583..895a57e3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -222,3 +222,7 @@ if(FLATBUFFERS_BUILD_TESTS)
 endif()
 
 include(CMake/BuildFlatBuffers.cmake)
+
+if(FLATBUFFERS_PACKAGE_DEBIAN)
+    include(CMake/PackageDebian.cmake)
+endif()
-- 
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