From 8e41cd84a55c0b62b19e910dcc2c67130368a6e4 Mon Sep 17 00:00:00 2001
From: Mikko Johannes Koivunalho <mikko.koivunalho@iki.fi>
Date: Thu, 2 May 2019 22:02:56 +0200
Subject: [PATCH] Improve exporting project

Signed-off-by: Mikko Johannes Koivunalho <mikko.koivunalho@iki.fi>
---
 CMakeLists.txt              | 36 +++++++++++++++++++++++++++++++++++-
 cmake/check-config.cmake.in |  3 +++
 src/CMakeLists.txt          |  5 +++--
 3 files changed, 41 insertions(+), 3 deletions(-)
 create mode 100644 cmake/check-config.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 52f1bfb..1594322 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ extract_version(configure.ac CHECK_MAJOR_VERSION)
 extract_version(configure.ac CHECK_MINOR_VERSION)
 extract_version(configure.ac CHECK_MICRO_VERSION)
 
-set(CHECK_VERSION
+set(check_VERSION
   "${CHECK_MAJOR_VERSION}.${CHECK_MINOR_VERSION}.${CHECK_MICRO_VERSION}")
 
 set(MEMORY_LEAKING_TESTS_ENABLED 1)
@@ -366,3 +366,37 @@ if (CHECK_ENABLE_TESTS)
       COMMAND sh ${CMAKE_CURRENT_SOURCE_DIR}/tests/test_set_max_msg_size.sh)
   endif(UNIX OR MINGW OR MSYS)
 endif()
+
+###############################################################################
+# Export project, prepare a config and config-version files
+set(LIB_INSTALL_DIR lib CACHE FILEPATH "lib INSTALL DIR")
+set(EXPORT_NAME ${CMAKE_PROJECT_NAME})
+include(CMakePackageConfigHelpers)
+configure_package_config_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/${EXPORT_NAME}-config.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_NAME}-config.cmake
+    INSTALL_DESTINATION ${LIB_INSTALL_DIR}/${EXPORT_NAME}/cmake
+)
+write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_NAME}-config-version.cmake
+    VERSION ${check_VERSION}
+    COMPATIBILITY AnyNewerVersion
+)
+
+export(EXPORT check-targets
+    FILE "${CMAKE_CURRENT_BINARY_DIR}/check-targets.cmake"
+    NAMESPACE Check::
+)
+
+install(EXPORT check-targets
+    NAMESPACE Check::
+    FILE check-targets.cmake
+    DESTINATION lib/cmake/${EXPORT_NAME}
+)
+install(
+    FILES
+        "${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_NAME}-config.cmake"
+        "${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_NAME}-config-version.cmake"
+    DESTINATION lib/cmake/${EXPORT_NAME}
+)
+
diff --git a/cmake/check-config.cmake.in b/cmake/check-config.cmake.in
new file mode 100644
index 0000000..15aabf7
--- /dev/null
+++ b/cmake/check-config.cmake.in
@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+include("${CMAKE_CURRENT_LIST_DIR}/check-targets.cmake")
+
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c2dbfda..ceed074 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -62,10 +62,11 @@ if(MSVC)
 endif (MSVC)
 
 install(TARGETS check 
-  EXPORT check
+  EXPORT check-targets
+  INCLUDES DESTINATION include
   RUNTIME DESTINATION bin
   LIBRARY DESTINATION lib
   ARCHIVE DESTINATION lib)
 
 install(FILES ${CMAKE_BINARY_DIR}/src/check.h DESTINATION include)
-install(EXPORT check DESTINATION cmake)
+
-- 
2.50.1