fix: I hope this works on Windows.

CMakeLists.txt

@@ -1,40 +1,45 @@
 cmake_minimum_required(VERSION 3.15)
+
+# ======================
+# Version detection
+# ======================
 find_package(Git QUIET)
+
+set(IMETH_VERSION "1.0.0")
+
 if(GIT_FOUND)
     execute_process(
-            COMMAND ${GIT_EXECUTABLE} describe --tags --abbrev=0
-            WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-            OUTPUT_VARIABLE GIT_VERSION
-            OUTPUT_STRIP_TRAILING_WHITESPACE
-            ERROR_QUIET
+        COMMAND ${GIT_EXECUTABLE} describe --tags --abbrev=0
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+        OUTPUT_VARIABLE GIT_VERSION
+        OUTPUT_STRIP_TRAILING_WHITESPACE
+        ERROR_QUIET
     )
     if(GIT_VERSION)
-        string(REGEX REPLACE "^v" "" GIT_VERSION ${GIT_VERSION})
-        project(imeth LANGUAGES CXX VERSION ${GIT_VERSION})
-    else()
-        project(imeth LANGUAGES CXX VERSION 1.0.0)
+        string(REGEX REPLACE "^v" "" IMETH_VERSION "${GIT_VERSION}")
     endif()
-else()
-    project(imeth LANGUAGES CXX VERSION 1.0.0)
 endif()
-project(imeth LANGUAGES CXX VERSION ${PROJECT_VERSION})
 
+project(imeth VERSION ${IMETH_VERSION} LANGUAGES CXX)
+
+# ======================
+# Build settings
+# ======================
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 # ======================
-# Main library
+# Library
 # ======================
-file(GLOB_RECURSE IMETH_SOURCES
-    CONFIGURE_DEPENDS
-    "src/*.cpp"
+file(GLOB_RECURSE IMETH_SOURCES CONFIGURE_DEPENDS
+    src/*.cpp
 )
-add_library(imeth STATIC ${IMETH_SOURCES}
-        include/imeth/operation/combinatoric.hpp
-        src/operation/combinatoric.cpp)
 
-# Proper include handling (for both build & install)
+add_library(imeth STATIC ${IMETH_SOURCES})
+
+add_library(imeth::imeth ALIAS imeth)
+
 target_include_directories(imeth
     PUBLIC
         $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
@@ -45,31 +50,51 @@ target_include_directories(imeth
 # Installation
 # ======================
 include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
 
 install(
     TARGETS imeth
     EXPORT imethTargets
     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
 )
 
 install(
-    DIRECTORY include/imeth/
-    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/imeth
+    DIRECTORY include/
+    DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
 
 install(
     EXPORT imethTargets
-    FILE imethConfig.cmake
     NAMESPACE imeth::
     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/imeth
 )
 
 # ======================
-# Test executable
+# Config files
 # ======================
-add_executable(imeth_test tests/main.cpp)
+configure_package_config_file(
+    ${CMAKE_CURRENT_SOURCE_DIR}/cmake/imethConfig.cmake.in
+    ${CMAKE_CURRENT_BINARY_DIR}/imethConfig.cmake
+    INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/imeth
+)
 
-target_link_libraries(imeth_test PRIVATE imeth)
+write_basic_package_version_file(
+    ${CMAKE_CURRENT_BINARY_DIR}/imethConfigVersion.cmake
+    VERSION ${PROJECT_VERSION}
+    COMPATIBILITY AnyNewerVersion
+)
 
-# Add include dir for test only
-target_include_directories(imeth_test PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+install(
+    FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/imethConfig.cmake
+        ${CMAKE_CURRENT_BINARY_DIR}/imethConfigVersion.cmake
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/imeth
+)
+
+# ======================
+# Tests (build-only)
+# ======================
+add_executable(imeth_test tests/main.cpp)
+target_link_libraries(imeth_test PRIVATE imeth)

cmake/imethConfig.cmake.in

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