From 7f2db5c5b0d284845c80a01c0cbb833ff0509329 Mon Sep 17 00:00:00 2001
From: Sinan <sbulutw@gmail.com>
Date: Tue, 2 Jun 2020 01:51:35 -0700
Subject: [PATCH] qt: add conflict for old gcc (#16904)
Co-authored-by: Sinan81 <Sinan81@github>
---
var/spack/repos/builtin/packages/qt/package.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/var/spack/repos/builtin/packages/qt/package.py b/var/spack/repos/builtin/packages/qt/package.py
index 08721e85c2..ba28042fa3 100644
--- a/var/spack/repos/builtin/packages/qt/package.py
+++ b/var/spack/repos/builtin/packages/qt/package.py
@@ -151,6 +151,10 @@ class Qt(Package):
depends_on("double-conversion", when='@5.7:')
depends_on("pcre2+multibyte", when='@5.9:')
+ # gcc@4 is not supported as of Qt@5.14
+ # https://doc.qt.io/qt-5.14/supported-platforms.html
+ conflicts('%gcc@:4.99', when='@5.14:')
+
# Non-macOS dependencies and special macOS constraints
if MACOS_VERSION is None:
depends_on("fontconfig", when='freetype=spack')
--
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