cpulimit: use CFLAGS and LDFLAGS

srcpkgs/cpulimit/template

@@ -1,7 +1,7 @@
 # Template file for 'cpulimit'
 pkgname=cpulimit
 version=0.2
-revision=1
+revision=2
 build_style=gnu-makefile
 short_desc="Tool to limit the CPU usage of a process"
 maintainer="Steve Prybylski <sa.prybylx@gmail.com>"
@@ -10,6 +10,10 @@ homepage="https://github.com/opsengine/cpulimit"
 distfiles="https://github.com/opsengine/${pkgname}/archive/v${version}.tar.gz"
 checksum=64312f9ac569ddcadb615593cd002c94b76e93a0d4625d3ce1abb49e08e2c2da
 
+pre_build() {
+	export CFLAGS="$CFLAGS $LDFLAGS"
+}
+
 do_install() {
 	vbin src/cpulimit
 }