From 31ec197811701767b65720ce0655b50b2dbbfb10 Mon Sep 17 00:00:00 2001
From: ArthurSonzogni <sonzogniarthur@gmail.com>
Date: Sat, 26 Apr 2025 00:44:44 +0200
Subject: [PATCH] Set c++ standard.

---
 BUILD.bazel     |  5 ++++-
 bazel/ftxui.bzl | 35 +++++++++++++++++++++++++++++------
 2 files changed, 33 insertions(+), 7 deletions(-)

diff --git a/BUILD.bazel b/BUILD.bazel
index df97147a..74d4ae41 100644
--- a/BUILD.bazel
+++ b/BUILD.bazel
@@ -14,7 +14,9 @@
 # - Support WebAssembly
 
 load("@rules_cc//cc:defs.bzl", "cc_binary", "cc_library", "cc_test")
-load(":bazel/ftxui.bzl", "ftxui_cc_library", "generate_examples")
+load(":bazel/ftxui.bzl", "ftxui_cc_library")
+load(":bazel/ftxui.bzl", "generate_examples")
+load(":bazel/ftxui.bzl", "cpp20")
 
 package(default_visibility = ["//visibility:public"])
 
@@ -241,6 +243,7 @@ cc_test(
         "include",
         "src",
     ],
+    copts = cpp20(),
     deps = [
         "//:ftxui",
         "@googletest//:gtest_main",
diff --git a/bazel/ftxui.bzl b/bazel/ftxui.bzl
index 0a42a7f5..aa0eb775 100644
--- a/bazel/ftxui.bzl
+++ b/bazel/ftxui.bzl
@@ -2,6 +2,33 @@
 
 load("@rules_cc//cc:defs.bzl", "cc_library")
 
+def cpp17():
+    return select({
+        "@rules_cc//cc/compiler:msvc-cl": ["/std:c++17"],
+        "@rules_cc//cc/compiler:clang-cl": ["/std:c++17"],
+        "@rules_cc//cc/compiler:clang": ["-std=c++17"],
+        "@rules_cc//cc/compiler:gcc": ["-std=c++17"],
+        "//conditions:default": ["-std=c++17"],
+    })
+
+def cpp20():
+    return select({
+        "@rules_cc//cc/compiler:msvc-cl": ["/std:c++20"],
+        "@rules_cc//cc/compiler:clang-cl": ["/std:c++20"],
+        "@rules_cc//cc/compiler:clang": ["-std=c++20"],
+        "@rules_cc//cc/compiler:gcc": ["-std=c++20"],
+        "//conditions:default": ["-std=c++20"],
+    })
+
+def utf8():
+    return select({
+        "@rules_cc//cc/compiler:msvc-cl": ["/utf-8"],
+        "@rules_cc//cc/compiler:clang-cl": ["/utf-8"],
+        "@rules_cc//cc/compiler:clang": ["-finput-charset=UTF-8"],
+        "@rules_cc//cc/compiler:gcc": ["-finput-charset=UTF-8"],
+        "//conditions:default": ["-finput-charset=UTF-8"],
+    })
+
 def ftxui_cc_library(
         name,
         srcs,
@@ -9,11 +36,6 @@ def ftxui_cc_library(
         linkopts = [],
         deps = []):
 
-    cpp20 = select({
-      "@bazel_tools//tools/cpp:msvc": ["/std:c++20"],
-      "//conditions:default":         ["-std=c++20"],
-    })
-
     cc_library(
         name = name,
         srcs = srcs,
@@ -26,7 +48,7 @@ def ftxui_cc_library(
             "include",
             "src",
         ],
-        copts = cpp20,
+        copts = cpp17() + utf8(),
         visibility = ["//visibility:public"],
     )
 
@@ -47,4 +69,5 @@ def generate_examples():
             name = name,
             srcs = [src],
             deps = ["//:component"],
+            copts = cpp20() + utf8(),
         )