From 76634cadd0c180fbb70624ce18c36678fd078520 Mon Sep 17 00:00:00 2001
From: Andrei Tatar <andrei@unikraft.io>
Date: Mon, 14 Aug 2023 16:44:20 +0200
Subject: [PATCH] Makefile.uk: Add minimum compiler version check

libcxx 14 relies on some C++ features that are only implemented starting
from GCC 11 and Clang 10.
This change adds an explicit compiler version check to warn the user
about this incompatibility.

Signed-off-by: Andrei Tatar <andrei@unikraft.io>
Reviewed-by: Stefan Jumarea <stefanjumarea02@gmail.com>
Reviewed-by: Maria Sfiraiala <maria.sfiraiala@gmail.com>
Reviewed-by: Radu Nichita <radunichita99@gmail.com>
Approved-by: Razvan Deaconescu <razvand@unikraft.io>
Tested-by: Unikraft CI <monkey@unikraft.io>
GitHub-Closes: #33
---
 Makefile.uk | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Makefile.uk b/Makefile.uk
index 7288e6e..9939c6c 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -39,6 +39,14 @@
 ################################################################################
 $(eval $(call addlib_s,libcxx,$(CONFIG_LIBCXX)))
 
+ifeq ($(CONFIG_LIBCXX),y)
+ifeq ($(call have_gcc),y)
+$(call error_if_gcc_version_lt,11,0)
+else ifeq ($(call have_clang),y)
+$(call error_if_clang_version_lt,10,0)
+endif
+endif
+
 ################################################################################
 # Sources
 ################################################################################
-- 
2.39.5