From ca8eab19eead31318a97270d78e6a1611ebae2ef Mon Sep 17 00:00:00 2001
From: Adel Kara Slimane <adel.ks@zegrapher.com>
Date: Mon, 7 Jun 2021 14:50:36 +0200
Subject: [PATCH] install.sh: Generic + Clang: prompt to replace libunwind with
 llvm-libunwind (#258)

---
 install.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/install.sh b/install.sh
index 126fd9f..16ca5cc 100755
--- a/install.sh
+++ b/install.sh
@@ -191,6 +191,14 @@ if [ "$1" = "install" ] || [ "$1" = "config" ]; then
   # Run init script that is also run in PKGBUILD, it will define some env vars that we will use
   _tkg_initscript
 
+  if [[ "${_compiler}" = "llvm" && "${_distro}" = "Generic" ]]; then
+    read -p "Replace \"libunwind\" with \"llvm-libunwind\" ? y/[n]:" _libunwind_replace
+    if [[ "${_libunwind_replace}" =~ ^(y|yes|Yes|Y)$ ]]; then
+      export LDFLAGS_MODULE="-unwindlib=libunwind"
+      export HOSTLDFLAGS="-unwindlib=libunwind"
+    fi
+  fi
+
   if [[ $1 = "install" && ! "$_distro" =~ ^(Ubuntu|Debian|Fedora|Suse|Generic)$ ]]; then
     msg2 "Variable \"_distro\" in \"customization.cfg\" hasn't been set to \"Ubuntu\", \"Debian\",  \"Fedora\" or \"Suse\""
     msg2 "This script can only install custom kernels for RPM and DEB based distros, though only those keywords are permitted. Exiting..."