require CMake 3.21 and C17 closes #2850

dankamongmen · Jan 30, 2025 · ad6da72 · ad6da72
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diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -1,5 +1,5 @@
-# 3.14.0 introduced NAME_WLE
-cmake_minimum_required(VERSION 3.14.0)
+# 3.21.0 introduced C17 support
+cmake_minimum_required(VERSION 3.21.0)
 project(notcurses VERSION 3.0.13
   DESCRIPTION "Blingful UI for modern terminal emulators"
   HOMEPAGE_URL "https://nick-black.com/dankwiki/index.php/notcurses"

diff --git a/NEWS.md b/NEWS.md
@@ -7,6 +7,7 @@ rearrangements of Notcurses.
      quadrants/sextants implementations.
   * A bug introduced sometime in 2022 that caused unpredictable
     hangs on exit was resolved (#2837), yay!
+  * We now require CMake 3.21 (vs 3.14) and C17 (vs C11).
 
 * 3.0.13 (2025-01-11)
   * Fix regression when building with `USE_CXX=off`.

diff --git a/README.md b/README.md
@@ -106,7 +106,7 @@ portability, you should by all means use that fine library.
 Minimum versions generally indicate the oldest version I've tested with; it
 may well be possible to use still older versions. Let me know of any successes!
 
-* (build) CMake 3.14.0+ and a C11 compiler
+* (build) CMake 3.21.0+ and a C17 compiler
 * (OPTIONAL) (OpenImageIO, testing, C++ bindings): A C++17 compiler
 * (build+runtime) From [NCURSES](https://invisible-island.net/ncurses/announce.html): terminfo 6.1+
 * (build+runtime) GNU [libunistring](https://www.gnu.org/software/libunistring/) 0.9.10+