feat: dev install

CMakeLists.txt

@@ -5,18 +5,45 @@ project(
   DESCRIPTION "C Libraries for recreational Programming."
   LANGUAGES C)
 
-add_library(c-libs ${PROJECT_SOURCE_DIR}/src/dyn-arr.c)
+add_library(c-libs ${CMAKE_CURRENT_SOURCE_DIR}/src/dyn-arr.c)
-target_include_directories(c-libs PUBLIC "${PROJECT_SOURCE_DIR}/include")
+target_include_directories(
+  c-libs PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+                $<INSTALL_INTERFACE:include>)
 
 include(CTest)
 if(BUILD_TESTING)
   find_package(PkgConfig REQUIRED)
   pkg_check_modules(CRITERION REQUIRED IMPORTED_TARGET GLOBAL criterion)
 
-  add_executable(tests test/main.c)
+  add_executable(tests ${CMAKE_CURRENT_SOURCE_DIR}/test/darr.c)
   target_link_libraries(tests c-libs PkgConfig::CRITERION)
 
   add_test(NAME all_tests COMMAND tests)
 endif()
 
-install(TARGETS c-libs)
+# Install Part #################################################################
+include(CMakePackageConfigHelpers)
+include(GNUInstallDirs)
+
+install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+install(
+  TARGETS c-libs
+  EXPORT c-libs
+  ARCHIVE DESTINATION lib
+  LIBRARY DESTINATION lib
+  RUNTIME DESTINATION bin)
+
+install(
+  EXPORT c-libs
+  FILE c-libsTargets.cmake
+  NAMESPACE c-lib::
+  DESTINATION lib/cmake/c-lib)
+
+configure_package_config_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/c-libConfig.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/c-libConfig.cmake
+  INSTALL_DESTINATION lib/cmake/c-lib)
+
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/c-libConfig.cmake
+        DESTINATION lib/cmake/c-lib)

c-libConfig.cmake.in

@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/c-libTargets.cmake")

nix/c-libs.nix

@@ -10,6 +10,7 @@ stdenv.mkDerivation (finalAttrs: {
   pname = "c-libs";
   version = "0.1.0";
   src = ../.;
+  outputs = ["out" "dev"];
   nativeBuildInputs = [cmake] ++ lib.optional finalAttrs.doCheck pkg-config;
   buildInputs = [] ++ lib.optional finalAttrs.doCheck criterion;