add cmake support

1 files changed, 66 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..3fb6c3c
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,66 @@
+cmake_minimum_required(VERSION 4.0)
+project(cheesemap
+  VERSION 0.1.0
+  DESCRIPTION "A high-performance HashMap"
+)
+
+if(MSVC)
+  message(FATAL_ERROR "You need to have a GNU compatible compiler")
+endif()
+
+## configuration
+
+set(CM_PANIC_SYM "panic_impl" CACHE STRING "Symbol name of the panic method")
+
+option(CM_ENABLE_EXTENDED_DEBUG "Whether to enable extended debug information" OFF)
+option(CM_ENABLE_UBSAN "Whether to enable undefined behavior sanitizer" OFF)
+option(CM_ENABLE_ASAN "Whether to enable address sanitizer" OFF)
+option(CM_ENABLE_SSE2 "Whether to enable SSE2 usage" OFF)
+
+## source
+
+set(cheesemap_source "${CMAKE_SOURCE_DIR}/cheesemap.c")
+
+## helper functions
+
+function(add_if_enabled target option_name)
+  if(NOT ${option_name})
+    return()
+  endif()
+
+  cmake_parse_arguments(ARG "" "" "COMPILE_OPTIONS;LINK_OPTIONS;DEFINITIONS" ${ARGN})
+
+  if(ARG_COMPILE_OPTIONS)
+    target_compile_options(${target} PRIVATE ${ARG_COMPILE_OPTIONS})
+  endif()
+
+  if(ARG_LINK_OPTIONS)
+    target_link_options(${target} PRIVATE ${ARG_LINK_OPTIONS})
+  endif()
+
+  if(ARG_DEFINITIONS)
+    target_compile_definitions(${target} PRIVATE ${ARG_DEFINITIONS})
+  endif()
+endfunction()
+
+## library target
+
+add_library(cheesemap OBJECT ${cheesemap_source})
+
+set_target_properties(cheesemap PROPERTIES
+  C_STANDARD 11
+  C_STANDARD_REQUIRED ON
+  C_EXTENSIONS ON
+  POSITION_INDEPENDENT_CODE ON
+)
+
+target_include_directories(cheesemap PUBLIC ${CMAKE_SOURCE_DIR})
+target_compile_definitions(cheesemap PRIVATE CM_PANIC_SYM=${CM_PANIC_SYM})
+target_compile_options(cheesemap PRIVATE -Wall -Wextra -Werror)
+
+add_if_enabled(cheesemap CM_ENABLE_EXTENDED_DEBUG COMPILE_OPTIONS -g3)
+add_if_enabled(cheesemap CM_ENABLE_UBSAN COMPILE_OPTIONS -fsanitize=undefined LINK_OPTIONS -fsanitize=undefined)
+add_if_enabled(cheesemap CM_ENABLE_ASAN COMPILE_OPTIONS -fsanitize=address LINK_OPTIONS -fsanitize=address)
+add_if_enabled(cheesemap CM_ENABLE_SSE2 COMPILE_OPTIONS -msse2 DEFINITIONS CM_ENABLE_SSE2=1)
+
+