depot/third_party/nixpkgs/pkgs/development/ocaml-modules/mirage-xen/makefile-no-opam.patch
Default email 9405df4a82 Project import generated by Copybara.
GitOrigin-RevId: 8e4fe32876ca15e3d5eb3ecd3ca0b224417f5f17
2021-04-26 15:14:03 -04:00

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Diff

diff --git a/lib/bindings/Makefile b/lib/bindings/Makefile
index 4e413c0..67c7bdc 100644
--- a/lib/bindings/Makefile
+++ b/lib/bindings/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
CC ?= cc
FREESTANDING_CFLAGS := $(shell PKG_CONFIG_PATH=$(PKG_CONFIG_PATH) pkg-config --cflags ocaml-freestanding)