diff --git a/.abf.yml b/.abf.yml
index 53e83ba..96fa1cd 100644
--- a/.abf.yml
+++ b/.abf.yml
@@ -1,2 +1,3 @@
 sources:
-  "v1.0.2.tar.gz": 4322aac381c8ca8de14771d15ea5c9052d6050be
+  v1.0.2.tar.gz: 4322aac381c8ca8de14771d15ea5c9052d6050be
+  xsettingsd-1.0.2.tar.gz: 682d0c968c45cbef80b6d0f896d9e347dc0b7c3a
diff --git a/xsettingsd.spec b/xsettingsd.spec
index 53e0959..8029d07 100644
--- a/xsettingsd.spec
+++ b/xsettingsd.spec
@@ -1,14 +1,21 @@
-Summary:	Provides settings to X11 applications via the XSETTINGS specification
-Name:		xsettingsd
-Version:	1.0.2
-Release:	1
-Group:		Graphical desktop/Other
-License:	BSD
-Url:		https://github.com/derat/xsettingsd
-Source0:	https://github.com/derat/xsettingsd/archive/v%{version}.tar.gz
+%global  optflags %(echo %{optflags} | sed -e 's/-ffat-lto-objects//g' -e 's/-fvar-tracking-assignments//g' -e 's/-Wa,//g' -e 's/--compress-debug-sections//g' -e 's/-fno-devirtualize//g' )
+%define     _llvm_ver 16
+%define     _optdir /opt
+%define     _llvm_path %{_optdir}/llvm%{_llvm_ver}
+
+Summary:        Provides settings to X11 applications via the XSETTINGS specification
+Name:           xsettingsd
+Version:        1.0.2
+Release:        1
+Group:          Graphical desktop/Other
+License:        BSD
+URL:            https://github.com/derat/xsettingsd
+Source0:        %{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 BuildRequires:	cmake
 BuildRequires:	scons
+BuildRequires:  llvm%{_llvm_ver}
 BuildRequires:	pkgconfig(x11)
+BuildRequires:  python38-devel
 
 %description
 xsettingsd is a daemon that implements the XSETTINGS specification.
@@ -19,9 +26,14 @@ GTK+ applications and want to configure things such as themes, font
 antialiasing/hinting, and UI sound effects.
 
 %prep
-%autosetup -p1
+%setup -q
 
 %build
+export CC=%{_llvm_path}/bin/clang
+export CXX=%{_llvm_path}/bin/clang++
+export AR=%{_llvm_path}/bin/llvm-ar
+export NM=%{_llvm_path}/bin/llvm-nm
+
 %cmake
 %make
 
@@ -29,7 +41,7 @@ antialiasing/hinting, and UI sound effects.
 %makeinstall_std -C build
 
 %files
-%doc COPYING
+%doc README.md COPYING
 %{_bindir}/%{name}
 %{_bindir}/dump_xsettings
 %{_mandir}/man1/%{name}.1.*