diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..d343e5a
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.10)
+project(abacus VERSION 0.0.0 LANGUAGES CXX)
+enable_testing()
+
+add_library(common_options INTERFACE)
+target_compile_features(common_options INTERFACE
+  cxx_std_17
+)
+target_compile_options(common_options INTERFACE
+  -Wall
+  -Wextra
+)
+target_include_directories(common_options INTERFACE
+  src
+)
+
+add_subdirectory(src)
+add_subdirectory(tests)
diff --git a/flake.nix b/flake.nix
index 56d4ecf..cdf39b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -76,8 +76,8 @@
 
             nativeBuildInputs = with pkgs; [
               bison
+              cmake
               flex
-              meson
               ninja
               pkg-config
             ];
@@ -86,6 +86,8 @@
               gtest
             ];
 
+            doCheck = true;
+
             meta = with pkgs.lib; {
               description = "A simple calculator using big numbers";
               homepage = "https://gitea.belanyi.fr/ambroisie/abacus";
diff --git a/meson.build b/meson.build
deleted file mode 100644
index 4910f6a..0000000
--- a/meson.build
+++ /dev/null
@@ -1,13 +0,0 @@
-project(
-  'abacus',
-  'cpp',
-  version: '0.0.0',
-  license: 'MIT',
-  default_options: [
-    'warning_level=3',
-    'cpp_std=c++17',
-  ],
-)
-
-subdir('src')
-subdir('tests')
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
new file mode 100644
index 0000000..531ca47
--- /dev/null
+++ b/src/CMakeLists.txt
@@ -0,0 +1,12 @@
+add_executable(abacus abacus.cc)
+target_link_libraries(abacus PRIVATE common_options)
+
+add_subdirectory(bignum)
+add_subdirectory(parse)
+
+target_link_libraries(abacus PRIVATE
+  bignum
+  parse
+)
+
+install(TARGETS abacus)
diff --git a/src/abacus.cc b/src/abacus.cc
index 3e735a0..45d2394 100644
--- a/src/abacus.cc
+++ b/src/abacus.cc
@@ -1,4 +1,4 @@
-#include "parser-driver.hh" // FIXME: I would like `parse/parser-driver.hh` path instead...
+#include "parse/parser-driver.hh"
 
 int main() {
     abacus::parse::ParserDriver driver{};
diff --git a/src/bignum/CMakeLists.txt b/src/bignum/CMakeLists.txt
new file mode 100644
index 0000000..6b64eb6
--- /dev/null
+++ b/src/bignum/CMakeLists.txt
@@ -0,0 +1,5 @@
+add_library(bignum STATIC
+  bignum.cc
+  bignum.hh
+)
+target_link_libraries(bignum PRIVATE common_options)
diff --git a/src/bignum/meson.build b/src/bignum/meson.build
deleted file mode 100644
index af1e4e5..0000000
--- a/src/bignum/meson.build
+++ /dev/null
@@ -1,16 +0,0 @@
-bignum_sources = files(
-  'bignum.cc',
-  'bignum.hh',
-)
-
-bignum_inc = include_directories('.')
-
-bignum_lib = static_library(
-  'bignum',
-  sources: bignum_sources,
-)
-
-bignum = declare_dependency(
-  link_with: bignum_lib,
-  include_directories: bignum_inc,
-)
diff --git a/src/meson.build b/src/meson.build
deleted file mode 100644
index a6c5cb2..0000000
--- a/src/meson.build
+++ /dev/null
@@ -1,16 +0,0 @@
-abacus_sources = files(
-  'abacus.cc',
-)
-
-subdir('bignum')
-subdir('parse')
-
-abacus = executable(
-  'abacus',
-  sources: abacus_sources,
-  dependencies: [
-    bignum,
-    parse,
-  ],
-  install: true,
-)
diff --git a/src/parse/CMakeLists.txt b/src/parse/CMakeLists.txt
new file mode 100644
index 0000000..22a706c
--- /dev/null
+++ b/src/parse/CMakeLists.txt
@@ -0,0 +1,23 @@
+find_package(BISON REQUIRED)
+find_package(FLEX REQUIRED)
+
+bison_target(parser_sources parser.yy ${CMAKE_CURRENT_BINARY_DIR}/parser.cc DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/parser.hh)
+flex_target(scanner_sources scanner.ll  ${CMAKE_CURRENT_BINARY_DIR}/scanner.cc)
+add_flex_bison_dependency(scanner_sources parser_sources)
+
+add_library(parse STATIC
+  parser-driver.cc
+  parser-driver.hh
+  ${BISON_parser_sources_OUTPUTS}
+  ${FLEX_scanner_sources_OUTPUTS}
+)
+target_link_libraries(parse PRIVATE common_options)
+
+target_link_libraries(parse PRIVATE
+  bignum
+)
+
+target_include_directories(parse PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+)
diff --git a/src/parse/meson.build b/src/parse/meson.build
deleted file mode 100644
index 1a3bdcb..0000000
--- a/src/parse/meson.build
+++ /dev/null
@@ -1,48 +0,0 @@
-flex_binary = find_program('flex', required: true)
-lexer_sources = custom_target(
-  'lexer_sources',
-  input: 'scanner.ll',
-  output: 'scanner.cc',
-  command: [
-    flex_binary,
-    '-o',
-    '@OUTPUT@',
-    '@INPUT@',
-  ],
-)
-
-bison_binary = find_program('bison', required: true)
-parser_sources = custom_target(
-  'parser_sources',
-  input: 'parser.yy',
-  output: [
-    'parser.cc',
-    'parser.hh',
-  ],
-  command: [
-    bison_binary,
-    '@INPUT@',
-    '--output=@OUTPUT0@',
-    '--defines=@OUTPUT1@',
-    '--graph',
-    # FIXME: html output in bison 3.7.90
-  ],
-)
-
-parse_inc = include_directories('.')
-
-parse_lib = static_library(
-  'parser',
-  'parser-driver.cc',
-  'parser-driver.hh',
-  lexer_sources,
-  parser_sources,
-  dependencies: [
-    bignum,
-  ],
-)
-
-parse = declare_dependency(
-  link_with: parse_lib,
-  include_directories: parse_inc,
-)
diff --git a/src/parse/parser-driver.hh b/src/parse/parser-driver.hh
index d5ba7ea..ad88efd 100644
--- a/src/parse/parser-driver.hh
+++ b/src/parse/parser-driver.hh
@@ -4,7 +4,7 @@
 
 #include "parser.hh"
 
-#include "bignum.hh" // FIXME: I would like `bignum/bignum.hh` path instead...
+#include "bignum/bignum.hh"
 
 namespace abacus::parse {
 
diff --git a/src/parse/parser.yy b/src/parse/parser.yy
index d8fbc87..07e3e3a 100644
--- a/src/parse/parser.yy
+++ b/src/parse/parser.yy
@@ -36,7 +36,7 @@ namespace abacus::parse {
 class ParserDriver;
 } // namespace abacus::parse
 
-#include "bignum.hh" // FIXME: I would like `bignum/bignum.hh` path instead...
+#include "bignum/bignum.hh"
 }
 
 %code provides {
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
new file mode 100644
index 0000000..269aea0
--- /dev/null
+++ b/tests/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(unit)
diff --git a/tests/meson.build b/tests/meson.build
deleted file mode 100644
index 082b746..0000000
--- a/tests/meson.build
+++ /dev/null
@@ -1 +0,0 @@
-subdir('unit')
diff --git a/tests/unit/CMakeLists.txt b/tests/unit/CMakeLists.txt
new file mode 100644
index 0000000..bdf51ae
--- /dev/null
+++ b/tests/unit/CMakeLists.txt
@@ -0,0 +1,16 @@
+find_package(GTest)
+
+if (${GTest_FOUND})
+include(GoogleTest)
+
+add_executable(bignum_test bignum.cc)
+target_link_libraries(bignum_test PRIVATE common_options)
+
+target_link_libraries(bignum_test PRIVATE
+  bignum
+  GTest::gtest
+  GTest::gtest_main
+)
+
+gtest_discover_tests(bignum_test)
+endif (${GTest_FOUND})
diff --git a/tests/unit/bignum.cc b/tests/unit/bignum.cc
index f584778..b7306f4 100644
--- a/tests/unit/bignum.cc
+++ b/tests/unit/bignum.cc
@@ -2,7 +2,7 @@
 
 #include <gtest/gtest.h>
 
-#include "bignum.hh"
+#include "bignum/bignum.hh"
 
 using namespace abacus::bignum;
 
diff --git a/tests/unit/meson.build b/tests/unit/meson.build
deleted file mode 100644
index db8eddd..0000000
--- a/tests/unit/meson.build
+++ /dev/null
@@ -1,26 +0,0 @@
-gtest = dependency(
-  'gtest',
-  main: true,
-  required: false,
-)
-
-if gtest.found()
-  unit_test_sources = files(
-    'bignum.cc',
-  )
-
-  unit_tests = executable(
-    'unit_tests',
-    sources: unit_test_sources,
-    dependencies: [
-      bignum,
-      gtest,
-    ],
-  )
-
-  test(
-    'unit tests',
-    unit_tests,
-    protocol: 'gtest',
-  )
-endif