Change cmakelists

CMakeLists.txt

@@ -4,11 +4,18 @@ project(
   VERSION 1.0
   LANGUAGES C)
 
+# ------------------------------------------------
+# C standard — no compiler extensions
+# ------------------------------------------------
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_C_STANDARD_REQUIRED ON)
+set(CMAKE_C_EXTENSIONS OFF)
+
+# Export compile_commands.json (clangd / IDEs)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 # ------------------------------------------------
-# Detectar si este proyecto es el principal
+# Is this the root project or embedded (CPM / FetchContent)?
 # ------------------------------------------------
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
   set(ARENA_IS_TOP_LEVEL ON)
@@ -16,23 +23,75 @@ else()
   set(ARENA_IS_TOP_LEVEL OFF)
 endif()
 
-# Opciones
-option(ARRAYLIST_BUILD_TESTS "Build arena tests" ${ARENA_IS_TOP_LEVEL})
-option(ARRAYLIST_ENABLE_SANITIZERS "Enable sanitizers for tests" ON)
+# ------------------------------------------------
+# Options
+# ------------------------------------------------
+option(ARENA_BUILD_TESTS "Build arena tests" ${ARENA_IS_TOP_LEVEL})
+option(ARENA_BUILD_EXAMPLE "Build arena example" ${ARENA_IS_TOP_LEVEL})
+option(ARENA_ENABLE_INSTALL "Install arena" ${ARENA_IS_TOP_LEVEL})
+option(ARENA_ENABLE_SANITIZERS "Enable Address Sanitizer in tests" ON)
 
-# Librería
+# ------------------------------------------------
+# Portable warning flags
+# ------------------------------------------------
+if(MSVC)
+  set(ARENA_WARNING_FLAGS /W4)
+else()
+  set(ARENA_WARNING_FLAGS -Wall -Wextra -Wpedantic)
+endif()
+
+# ================================================================
+# LIBRARY
+# ================================================================
 add_library(arena src/arena.c)
 
+# Namespaced alias → consumers can write arena::arena
+add_library(arena::arena ALIAS arena)
+
 target_include_directories(
   arena PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
                $<INSTALL_INTERFACE:include>)
 
-target_compile_options(arena PRIVATE -Wall -Wextra -Wpedantic)
+# Propagate C11 requirement to consumers
+target_compile_features(arena PUBLIC c_std_11)
 
-# ------------------------
-# Testing
-# ------------------------
+# Warnings only for the lib itself, not propagated
+target_compile_options(arena PRIVATE ${ARENA_WARNING_FLAGS})
+
+# ================================================================
+# EXAMPLE  (optional, only when top-level)
+# ================================================================
+if(ARENA_BUILD_EXAMPLE)
+  add_executable(arena_example src/main.c)
+  target_link_libraries(arena_example PRIVATE arena)
+endif()
+
+# ================================================================
+# TESTS
+# ================================================================
 if(ARENA_BUILD_TESTS)
   enable_testing()
   add_subdirectory(test)
 endif()
+
+# ================================================================
+# INSTALL
+# ================================================================
+if(ARENA_ENABLE_INSTALL)
+  include(GNUInstallDirs)
+
+  install(
+    TARGETS arena
+    EXPORT arenaTargets
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
+
+  install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
+
+  install(
+    EXPORT arenaTargets
+    FILE arenaTargets.cmake
+    NAMESPACE arena::
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/arena)
+endif()