From 450409095ab2dbe206b6b44be2426da46a487b53 Mon Sep 17 00:00:00 2001
From: Vitaly Zaitsev <vitaly@easycoding.org>
Date: Fri, 15 Mar 2019 20:14:54 +0100
Subject: [PATCH] Added Clang build support.

Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>
---
 kepka.spec | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/kepka.spec b/kepka.spec
index 183f8727e..6b7f270d6 100644
--- a/kepka.spec
+++ b/kepka.spec
@@ -1,3 +1,11 @@
+# Allow to use Clang compiler...
+%global clang 0
+
+# Applying workaround to RHBZ#1559007...
+%if 0%{?clang}
+%global optflags %(echo %{optflags} | sed -e 's/-mcet//g' -e 's/-fcf-protection//g' -e 's/-fstack-clash-protection//g')
+%endif
+
 Name: kepka
 Version: 2.0.0
 Release: 1%{?dist}
@@ -20,6 +28,13 @@ BuildRequires: gcc-c++
 BuildRequires: cmake
 BuildRequires: gcc
 
+# Clang compiler and tools if enabled...
+%if 0%{?clang}
+BuildRequires: compiler-rt
+BuildRequires: clang
+BuildRequires: llvm
+%endif
+
 # Development packages for main application...
 BuildRequires: guidelines-support-library-devel
 BuildRequires: libappindicator-devel
@@ -58,6 +73,12 @@ personal or business messaging needs.
 mkdir -p %{_target_platform}
 
 %build
+# Overriding compiler settings...
+%if 0%{?clang}
+export CC=clang
+export CXX=clang++
+%endif
+
 # Configuring application...
 pushd %{_target_platform}
     %cmake -G Ninja -DPACKAGED_BUILD=1 -DCMAKE_BUILD_TYPE=Release ..