diff --git a/freestanding/Makefile b/freestanding/Makefile index f22d220d..3e97b4c5 100644 --- a/freestanding/Makefile +++ b/freestanding/Makefile @@ -1,4 +1,6 @@ -PKG_CONFIG_PATH := $(shell opam config var prefix)/lib/pkgconfig +ifneq (, $(shell command -v opam)) + PKG_CONFIG_PATH ?= $(shell opam config var prefix)/lib/pkgconfig +endif EXISTS := $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) pkg-config --exists ocaml-freestanding; echo $$?)