diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..567609b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
diff --git a/0xtest/CMakeLists.txt b/0xtest/CMakeLists.txt
new file mode 100644
index 0000000..1ba12fe
--- /dev/null
+++ b/0xtest/CMakeLists.txt
@@ -0,0 +1,11 @@
+
+file(GLOB TEST_SOURCES 
+	unit/*.c
+	rand.c
+	main.c
+)
+
+add_executable(0xtest ${TEST_SOURCES})
+target_include_directories(0xtest PUBLIC .)
+target_compile_definitions(0xtest PRIVATE TARGET_0XTEST)
+target_link_libraries(0xtest PUBLIC 0xc)
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..1552806
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,104 @@
+cmake_minimum_required(VERSION 4.0)
+set(CMAKE_C_STANDARD 11)
+
+project(lib0xc C)
+
+# only export debug symbols if someone is working on the project
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+endif()
+
+file(GLOB LIB_SOURCES 
+  src/0xc/*.c
+  src/0xc/std/*.c
+  src/0xc/std/call/field/type/*.c
+  src/0xc/std/call/field/*.c
+  src/0xc/sys/*.c
+  src/0xc/sys/buff/*.c
+  src/0xc/sys/buff/type/*.c
+  src/0xc/sys/check/*.c
+  src/0xc/sys/log/*.c
+  posix/0xc/posix/std/alloc.c
+  posix/0xc/posix/sys/buff/type/mmap.c
+  posix/0xc/posix/sys/log/stream.c
+  posix/0xc/posix/sys/panic.c
+)
+
+file(GLOB LIB_HEADERS 
+  src/0xc/shim/*.h
+  src/0xc/std/*.h
+  src/0xc/sys/*.h
+  src/0xc/sys/buff/*.h
+)
+
+add_library(0xc
+  ${LIB_SOURCES}
+)
+
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+  target_compile_options(0xc PRIVATE -g)
+elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
+  target_compile_options(0xc PRIVATE -O3)
+  target_link_options(0xc PRIVATE -O3)
+endif()
+
+target_compile_options(0xc PUBLIC
+  -Werror
+  -Wall
+  -Wextra
+  -Wcast-qual
+  -Wconversion
+  -Wformat=2
+  -Wformat-security
+  -Wnull-dereference
+  -Wvla
+  -Warray-bounds
+  -Wimplicit-fallthrough
+  -Wint-conversion
+  -Wdouble-promotion
+  -Wstrict-prototypes
+  -Wbad-function-cast
+  -Wfloat-equal
+  -Wpointer-arith
+  -Wundef
+)
+
+if (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+  target_compile_options(0xc PUBLIC
+    -Wshorten-64-to-32
+    -Warray-bounds-pointer-arithmetic
+    -Wconditional-uninitialized
+    -Wloop-analysis
+    -Wshift-sign-overflow
+    -Wtautological-constant-in-range-compare
+    -Wcomma
+    -Wassign-enum
+    -Wformat-type-confusion
+    -Widiomatic-parentheses
+    -Wunreachable-code-aggressive
+    -Wthread-safety
+    -ftrivial-auto-var-init=zero
+    -Wno-duplicate-decl-specifier
+  )
+elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+  target_compile_options(0xc PUBLIC
+    -Wformat-signedness
+    -Wuninitialized
+    -Wlogical-op
+    -Wduplicated-cond
+  )
+endif()
+
+target_include_directories(0xc PUBLIC src posix)
+
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  target_compile_definitions(0xc PRIVATE POINTER_TAG_BITS_HI=16 POINTER_TAG_BITS_LO=3)
+endif()
+if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
+  target_compile_definitions(0xc PRIVATE POINTER_TAG_BITS_HI=0 POINTER_TAG_BITS_LO=3)
+endif()
+
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  add_subdirectory(0xtest)
+endif()
+