8 files changed, 32 insertions, 0 deletions

diff --git a/cstring/CMakeLists.txt b/cstring/CMakeLists.txt
index 1d1dfe4..99cc081 100644
--- a/cstring/CMakeLists.txt
+++ b/cstring/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(cstring)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 add_library(cstring
   src/cstring.c)
 
diff --git a/error/CMakeLists.txt b/error/CMakeLists.txt
index 7d7d03b..fbbc945 100644
--- a/error/CMakeLists.txt
+++ b/error/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(error)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 add_library(error
   src/error.c)
 
diff --git a/filesystem/CMakeLists.txt b/filesystem/CMakeLists.txt
index 07cfdc4..508f99d 100644
--- a/filesystem/CMakeLists.txt
+++ b/filesystem/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(filesystem)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 add_library(filesystem
   src/filesystem.c
   src/path.c)
diff --git a/list/CMakeLists.txt b/list/CMakeLists.txt
index 5e335cc..7e1df38 100644
--- a/list/CMakeLists.txt
+++ b/list/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(list)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 # Library
 
 add_library(list INTERFACE)
diff --git a/mem/CMakeLists.txt b/mem/CMakeLists.txt
index 007a95b..89bf444 100644
--- a/mem/CMakeLists.txt
+++ b/mem/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(mem)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 # Library
 
 add_library(mem
diff --git a/plugin/CMakeLists.txt b/plugin/CMakeLists.txt
index 58b956e..f2745b2 100644
--- a/plugin/CMakeLists.txt
+++ b/plugin/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(plugin)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 add_library(plugin
   src/plugin.c)
 
diff --git a/random/CMakeLists.txt b/random/CMakeLists.txt
index ad1b684..3c4b2dc 100644
--- a/random/CMakeLists.txt
+++ b/random/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(random)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 add_library(random
   src/mt19937-64.c
   src/normal.c)
diff --git a/timer/CMakeLists.txt b/timer/CMakeLists.txt
index 717f70b..fb300a0 100644
--- a/timer/CMakeLists.txt
+++ b/timer/CMakeLists.txt
@@ -2,6 +2,10 @@ cmake_minimum_required(VERSION 3.5)
 
 project(timer)
 
+set(CMAKE_C_STANDARD 23)
+set(CMAKE_C_STANDARD_REQUIRED On)
+set(CMAKE_C_EXTENSIONS Off)
+
 # Library
 
 set(SRC