Added cmake package config file

Now sqlpp11 can be used with

find_package(Sqlpp11)
target_link_libraries(... sqlpp11)

in your project's CMakeLists.txt

CMakeLists.txt

@@ -38,6 +38,7 @@ endif()
 target_include_directories(sqlpp11 INTERFACE
   $<BUILD_INTERFACE:${DATE_INCLUDE_DIR}>
   $<BUILD_INTERFACE:${sqlpp11_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:include>
   )
 
 if (NOT MSVC)
@@ -64,10 +65,49 @@ target_compile_features(sqlpp11 INTERFACE
   )
 endif ()
 
+install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/sqlpp11"
+        DESTINATION include
+)
+
+install(TARGETS sqlpp11
+        EXPORT Sqlpp11Targets
+)
+
+include(CMakePackageConfigHelpers)
+
+write_basic_package_version_file(
+  "${CMAKE_CURRENT_BINARY_DIR}/cmake/Sqlpp11ConfigVersion.cmake"
+  VERSION ${Upstream_VERSION}
+  COMPATIBILITY AnyNewerVersion
+)
+
+export(EXPORT Sqlpp11Targets
+  FILE "${CMAKE_CURRENT_BINARY_DIR}/cmake/Sqlpp11Targets.cmake"
+)
+
+configure_file(cmake/Sqlpp11Config.cmake
+  "${CMAKE_CURRENT_BINARY_DIR}/cmake/Sqlpp11Config.cmake"
+  COPYONLY
+)
+
+set(ConfigPackageLocation lib/cmake/Sqlpp11)
+install(EXPORT Sqlpp11Targets
+  FILE
+    Sqlpp11Targets.cmake
+  DESTINATION
+    ${ConfigPackageLocation}
+)
+
+install(
+  FILES
+    cmake/Sqlpp11Config.cmake
+    "${CMAKE_CURRENT_BINARY_DIR}/cmake/Sqlpp11ConfigVersion.cmake"
+  DESTINATION
+    ${ConfigPackageLocation}
+)
+
+
 add_subdirectory(tests)
 add_subdirectory(test_static_asserts)
 add_subdirectory(test_constraints)
 add_subdirectory(examples)
-
-install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/sqlpp11" DESTINATION include)
-

cmake/Sqlpp11Config.cmake

@@ -0,0 +1,26 @@
+# Copyright (c) 2016, Christian David
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#   Redistributions of source code must retain the above copyright notice, this
+#   list of conditions and the following disclaimer.
+#
+#   Redistributions in binary form must reproduce the above copyright notice,
+#   this list of conditions and the following disclaimer in the documentation
+#   and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+include("${CMAKE_CURRENT_LIST_DIR}/Sqlpp11Targets.cmake")