From 4e91af62d36189dc32c6aded0556490bf20cfb44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pawe=C5=82=20Bylica?= <chfast@gmail.com>
Date: Tue, 19 Jun 2018 11:25:19 +0200
Subject: [PATCH] CMake: Export CMake package config

---
 CMakeLists.txt                  | 26 +++++++++++++++++++++++++-
 cmake/Config.cmake.in           |  4 ++++
 lib/instructions/CMakeLists.txt |  2 +-
 3 files changed, 30 insertions(+), 2 deletions(-)
 create mode 100644 cmake/Config.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 76b280b..ab2b989 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,7 +14,9 @@ option(EVMC_EXAMPLES "Build EVMC examples" OFF)
 option(HUNTER_ENABLED "Enable Hunter package manager support" "${EVMC_TESTING}")
 
 include(cmake/cable/bootstrap.cmake)
+include(CableBuildType)
 include(CableCompilerSettings)
+include(CMakePackageConfigHelpers)
 include(HunterGate)
 include(GNUInstallDirs)
 include(defaults/HunterCacheServers)
@@ -30,13 +32,16 @@ HunterGate(
 project(evmc)
 set(PROJECT_VERSION "0.1.0.dev0")
 
+cable_set_build_type(DEFAULT Release CONFIGURATION_TYPES Debug Release)
+
 cable_configure_compiler(NO_STACK_PROTECTION)
 
 set(include_dir ${PROJECT_SOURCE_DIR}/include)
 
 add_library(evmc INTERFACE)
 add_library(evmc::evmc ALIAS evmc)
-target_include_directories(evmc INTERFACE ${include_dir})
+target_include_directories(evmc INTERFACE $<BUILD_INTERFACE:${include_dir}>$<INSTALL_INTERFACE:include>)
+install(TARGETS evmc EXPORT evmcTargets)
 
 install(DIRECTORY include/evmc DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
@@ -51,6 +56,25 @@ if(EVMC_EXAMPLES)
     add_subdirectory(examples)
 endif()
 
+write_basic_package_version_file(evmcConfigVersion.cmake COMPATIBILITY ExactVersion)
+
+configure_package_config_file(
+    cmake/Config.cmake.in
+    evmcConfig.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/evmc
+)
+
+install(
+    EXPORT evmcTargets
+    NAMESPACE evmc::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/evmc
+)
+install(
+    FILES
+    ${CMAKE_CURRENT_BINARY_DIR}/evmcConfig.cmake
+    ${CMAKE_CURRENT_BINARY_DIR}/evmcConfigVersion.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/evmc
+)
 
 if(WIN32)
     set(CPACK_GENERATOR ZIP)
diff --git a/cmake/Config.cmake.in b/cmake/Config.cmake.in
new file mode 100644
index 0000000..13df106
--- /dev/null
+++ b/cmake/Config.cmake.in
@@ -0,0 +1,4 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/evmcTargets.cmake")
+check_required_components(evmc)
diff --git a/lib/instructions/CMakeLists.txt b/lib/instructions/CMakeLists.txt
index 4d9905e..117e6c7 100644
--- a/lib/instructions/CMakeLists.txt
+++ b/lib/instructions/CMakeLists.txt
@@ -10,6 +10,6 @@ add_library(
 )
 
 add_library(evmc::instructions ALIAS instructions)
-target_include_directories(instructions PUBLIC ${include_dir})
+target_include_directories(instructions PUBLIC $<BUILD_INTERFACE:${include_dir}>$<INSTALL_INTERFACE:include>)
 
 install(TARGETS instructions EXPORT evmcTargets DESTINATION ${CMAKE_INSTALL_LIBDIR})