include pkg-config in the dependency

Author: kayceesrk

dune-project

@@ -20,7 +20,8 @@
  (name hdr_histogram)
  (synopsis "OCaml bindings to Hdr Histogram")
  (description "OCaml bindings to Hdr Histogram")
- (depends ocaml dune (ctypes (>= 0.20.1)) (ctypes-foreign (>= 0.18.0)))
+ (depends ocaml dune (ctypes (>= 0.20.1)) (ctypes-foreign (>= 0.18.0))
+          (conf-pkg-config :build))
  (tags
   ("histogram" "tail latency")))
 

hdr_histogram.opam

@@ -14,6 +14,7 @@ depends: [
   "dune" {>= "3.3"}
   "ctypes" {>= "0.20.1"}
   "ctypes-foreign" {>= "0.18.0"}
+  "conf-pkg-config" {build}
   "odoc" {with-doc}
 ]
 build: [

lib/dune

@@ -1,7 +1,6 @@
 (library
  (name hdr_histogram)
  (public_name hdr_histogram)
- ; (libraries core)
  ; ctypes backward compatibility shims warn sometimes; suppress them
  (flags (:standard -w -9-27))
  (ctypes