Add CPack commands to build a debian package.

CMakeLists.txt

@@ -391,4 +391,48 @@ else(CMAKE_BUILD_TYPE MATCHES Release)
 		message("                              ${CMAKE_C_FLAGS_RELEASE}")
 endif()
 
+set (CPACK_GENERATOR DEB)
+set (CPACK_PACKAGE_NAME "libevhtp")
+set (CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
+set (CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_MAJOR_VERSION})
+set (CPACK_PACKAGE_VERSION_MINOR ${PROJECT_MINOR_VERSION})
+set (CPACK_PACKAGE_VERSION_PATCH ${PROJECT_PATCH_VERSION})
+
+set(PROJECT_VERSION_REVISION 0)
+find_program(GIT_PROGRAM git DOC "git program")
+if(GIT_PROGRAM)
+  execute_process(
+    COMMAND ${GIT_PROGRAM} rev-parse --verify --short HEAD
+    OUTPUT_VARIABLE PROJECT_VERSION_REVISION
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+endif(GIT_PROGRAM)
+
+string(TOLOWER "${CPACK_PACKAGE_NAME}" CPACK_PACKAGE_NAME_LOWERCASE)
+find_program(DPKG_PROGRAM dpkg DOC "dpkg program of Debian-based systems")
+if(DPKG_PROGRAM)
+  execute_process(
+    COMMAND ${DPKG_PROGRAM} --print-architecture
+    OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_ARCHITECTURE
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+  set(CPACK_PACKAGE_FILE_NAME
+"${CPACK_PACKAGE_NAME_LOWERCASE}_${PROJECT_VERSION}-${PROJECT_VERSION_REVISION}_${CPACK_DEBIAN_PACKAGE_ARCHITECTURE}")  
+
+else(DPKG_PROGRAM)
+  set(CPACK_PACKAGE_FILE_NAME
+"${CPACK_PACKAGE_NAME_LOWERCASE}_${PROJECT_VERSION}-${PROJECT_VERSION_REVISION}_${CMAKE_SYSTEM_NAME}")
+endif(DPKG_PROGRAM)
+
+set (CPACK_DEBIAN_PACKAGE_MAINTAINER "unknown")
+find_program(WHOAMI_PROGRAM whoami DOC "whoami program")
+if(WHOAMI_PROGRAM)
+  execute_process(
+    COMMAND ${WHOAMI_PROGRAM}
+    OUTPUT_VARIABLE CPACK_DEBIAN_PACKAGE_MAINTAINER
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+endif(WHOAMI_PROGRAM)
+INCLUDE(CPack)
+
 message("")