From e57f831ba59c75e87946bf2c8fbbef1134495707 Mon Sep 17 00:00:00 2001
From: Thilina Ratnayaka <thilinarmtb@gmail.com>
Date: Fri, 25 Oct 2024 15:32:58 -0500
Subject: [PATCH] Generate a cmake config file during install

---
 CMakeLists.txt            | 16 ++++++++++++++--
 cmake/nompConfig.cmake.in |  5 +++++
 tests/CMakeLists.txt      |  3 +--
 3 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 cmake/nompConfig.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbcca086..055550e5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,9 @@ set_target_properties(nomp PROPERTIES
   VERSION ${PROJECT_VERSION}
   SOVERSION 1
   PUBLIC_HEADER include/nomp.h)
-target_include_directories(nomp PRIVATE include ${CMAKE_BINARY_DIR}/include)
+target_include_directories(nomp
+  PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_PREFIX}/include>
+  PRIVATE ${PROJECT_SOURCE_DIR}/include ${CMAKE_BINARY_DIR}/include)
 target_compile_options(nomp PRIVATE $<$<C_COMPILER_ID:MSVC>:/W4 /WX>
   $<$<NOT:$<C_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic>)
 
@@ -174,9 +176,19 @@ if (FLAKE8)
     COMMENT "Running flake8 ...")
 endif()
 
-install(TARGETS nomp LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
+install(TARGETS nomp EXPORT nompTargets
+  LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
 
+install(EXPORT nompTargets FILE nompTargets.cmake NAMESPACE nomp::
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+include(CMakePackageConfigHelpers)
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/nompConfig.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/nompConfig.cmake
+  INSTALL_DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/nompConfig.cmake
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+
 install(DIRECTORY ${CMAKE_SOURCE_DIR}/python DESTINATION ${CMAKE_INSTALL_PREFIX})
 
 install(DIRECTORY scripts/ DESTINATION ${CMAKE_INSTALL_PREFIX}/bin
diff --git a/cmake/nompConfig.cmake.in b/cmake/nompConfig.cmake.in
new file mode 100644
index 00000000..a34f55fb
--- /dev/null
+++ b/cmake/nompConfig.cmake.in
@@ -0,0 +1,5 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+include("${CMAKE_CURRENT_LIST_DIR}/nompTargets.cmake")
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 001e27b3..5369d4a0 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -12,8 +12,7 @@ foreach(test_src ${TESTS})
     target_compile_options(${test_exe} PRIVATE -fsanitize=address)
     target_link_options(${test_exe} PRIVATE -fsanitize=address)
   endif()
-  install (TARGETS ${test_exe} RUNTIME DESTINATION
-    ${CMAKE_INSTALL_PREFIX}/tests)
+  install(TARGETS ${test_exe} RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/tests)
 endforeach()
 
 install(DIRECTORY ${CMAKE_SOURCE_DIR}/tests/ DESTINATION