From 3aa7b5c95014acf0c493e8d212732471b97d250d Mon Sep 17 00:00:00 2001
From: Marcus Holland-Moritz <github@mhxnet.de>
Date: Sun, 11 Feb 2024 17:01:19 +0100
Subject: [PATCH] chore(ricepp): add install support

---
 ricepp/CMakeLists.txt               | 67 +++++++++++++++++++++++++++--
 ricepp/cmake/ricepp-config.cmake.in | 17 ++++++++
 2 files changed, 81 insertions(+), 3 deletions(-)
 create mode 100644 ricepp/cmake/ricepp-config.cmake.in

diff --git a/ricepp/CMakeLists.txt b/ricepp/CMakeLists.txt
index 305c41c4..7e9128c7 100644
--- a/ricepp/CMakeLists.txt
+++ b/ricepp/CMakeLists.txt
@@ -28,7 +28,12 @@ if(NOT TARGET range-v3)
     GIT_REPOSITORY https://github.com/ericniebler/range-v3
     GIT_TAG 0.12.0
   )
-  FetchContent_MakeAvailable(range-v3)
+  # FetchContent_MakeAvailable(range-v3)
+  FetchContent_GetProperties(range-v3)
+  if(NOT range-v3_POPULATED)
+    FetchContent_Populate(range-v3)
+    add_subdirectory(${range-v3_SOURCE_DIR} ${range-v3_BINARY_DIR} EXCLUDE_FROM_ALL)
+  endif()
 endif()
 
 if(WIN32)
@@ -75,10 +80,61 @@ endforeach()
 
 add_library(ricepp ricepp.cpp ${RICEPP_OBJECTS_CPUSPECIFIC})
 target_link_libraries(ricepp PUBLIC range-v3)
-target_include_directories(ricepp PUBLIC include)
+target_include_directories(ricepp PUBLIC
+    $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
 target_compile_features(ricepp PUBLIC cxx_std_20)
 target_compile_definitions(ricepp PRIVATE ${RICEPP_CPU_SUPPORT})
 
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+set(CMAKE_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR}/cmake/ricepp CACHE STRING
+    "CMake package config files install location")
+
+configure_package_config_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/cmake/ricepp-config.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/ricepp-config.cmake
+  INSTALL_DESTINATION ${CMAKE_INSTALL_DIR}
+  PATH_VARS
+    CMAKE_INSTALL_INCLUDEDIR
+    CMAKE_INSTALL_DIR
+)
+
+write_basic_package_version_file(
+  ${CMAKE_CURRENT_BINARY_DIR}/ricepp-config-version.cmake
+  VERSION 0.1.0
+  COMPATIBILITY SameMajorVersion
+)
+
+install(
+  TARGETS ricepp
+  EXPORT ricepp-targets
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+)
+
+install(
+  DIRECTORY include/
+  DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+  FILES_MATCHING PATTERN "*.h"
+)
+
+install(
+  FILES ${CMAKE_CURRENT_BINARY_DIR}/ricepp-config.cmake
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ricepp
+)
+
+install(
+  EXPORT ricepp-targets
+  FILE ricepp-targets.cmake
+  NAMESPACE ricepp::
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ricepp
+)
+
 # # TODO: remove/rework
 # add_executable(ricepp_demo ricepp_demo.cpp)
 # target_link_libraries(ricepp_demo PRIVATE ricepp fmt)
@@ -98,7 +154,12 @@ if(WITH_TESTS)
       GIT_REPOSITORY https://github.com/google/googletest.git
       GIT_TAG v1.14.0
     )
-    FetchContent_MakeAvailable(googletest)
+    # FetchContent_MakeAvailable(googletest)
+    FetchContent_GetProperties(googletest)
+    if(NOT googletest_POPULATED)
+      FetchContent_Populate(googletest)
+      add_subdirectory(${googletest_SOURCE_DIR} ${googletest_BINARY_DIR} EXCLUDE_FROM_ALL)
+    endif()
   endif()
 
   enable_testing()
diff --git a/ricepp/cmake/ricepp-config.cmake.in b/ricepp/cmake/ricepp-config.cmake.in
new file mode 100644
index 00000000..0fbd2f5b
--- /dev/null
+++ b/ricepp/cmake/ricepp-config.cmake.in
@@ -0,0 +1,17 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+set_and_check(RICEPP_INCLUDE_DIRS "@PACKAGE_CMAKE_INSTALL_INCLUDEDIR@")
+set_and_check(RICEPP_INCLUDE_DIR "@PACKAGE_CMAKE_INSTALL_INCLUDEDIR@")
+set_and_check(RICEPP_CMAKE_DIR "@PACKAGE_CMAKE_INSTALL_DIR@")
+
+set(RICEPP_PREFIX_DIR "${PACKAGE_PREFIX_DIR}")
+
+if (NOT TARGET ricepp::ricepp)
+  include("${RICEPP_CMAKE_DIR}/ricepp-targets.cmake")
+endif()
+
+set(RICEPP_LIBRARIES ricepp::ricepp)
+
+find_dependency(range-v3)