From 5c875965978b8e7466f68ef73d02616ffd0db306 Mon Sep 17 00:00:00 2001
From: nhmall <nhmall@nethack.org>
Date: Tue, 31 Oct 2023 13:08:32 -0400
Subject: [PATCH] support builds incl Qt6 with clang-14,15,16,17

---
 sys/unix/hints/include/compiler.370 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sys/unix/hints/include/compiler.370 b/sys/unix/hints/include/compiler.370
index bfeefca78..ce9896d9b 100755
--- a/sys/unix/hints/include/compiler.370
+++ b/sys/unix/hints/include/compiler.370
@@ -136,6 +136,7 @@ CCXX=clang++ -std=c++11
 CLANGPPGTEQ9 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 9)
 CLANGPPGTEQ11 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 11)
 CLANGPPGTEQ14 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 14)
+CLANGPPGTEQ17 := $(shell expr `$(CXX) -dumpversion | cut -f1 -d.` \>= 17)
 ifeq "$(CLANGPPGTEQ9)" "1"
 #CCXXFLAGS+=-Wformat-overflow
 endif
@@ -151,10 +152,11 @@ endif  # CPLUSPLUS_NEED_DEPSUPPRESS
 CFLAGS+=-fPIC
 ifdef CPLUSPLUS_NEED17
 ifeq "$(CLANGPPGTEQ14)" "1"
-CCXX=clang++ -std=c++20
-else
 CCXX=clang++ -std=c++17
 endif  # clang++ greater than or equal to 14
+ifeq "$(CLANGPPGTEQ17)" "1"
+CCXX=clang++ -std=c++20
+endif  # clang++ greater than or equal to 17
 endif  # CPLUSPLUS_NEED17
 endif  # end of clang++-specific section
 CXX=$(CCXX)