--- ../diff/xorg-server/PKGBUILD	2018-06-22 16:47:46.000000000 +0100
+++ PKGBUILD	2018-07-19 15:07:40.427191358 +0100
@@ -91,6 +91,12 @@
   export CFLAGS=${CFLAGS/-fno-plt}
   export CXXFLAGS=${CXXFLAGS/-fno-plt}
   export LDFLAGS=${LDFLAGS/,-z,now}
+  if [[ " ${options[*]} " == *" debug "* ]]; then
+    # This is a debug build
+    export CFLAGS="${CFLAGS} -O0 -g3 -fno-lto"
+    export CXXFLAGS="${CXXFLAGS} -O0 -g3 -fno-lto"
+    export LDFLAGS="${LDFLAGS} -fno-lto"
+  fi
 
   arch-meson ${pkgbase}-$pkgver build \
     -D os_vendor="Arch Linux" \