Detect Presence of `md5` on Darwin

This fixes #2568.

diff --git a/lib/Makefile b/lib/Makefile
index 6a26e6c7927c9dd059a7f1f58885cd805f545394..35860974d7549404aa98d921ee9a8da973e5c406 100644 (file)
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -176,7 +176,9 @@ UNAME := $(shell uname)
 
 ifndef BUILD_DIR
 ifeq ($(UNAME), Darwin)
-  HASH ?= md5
+  ifeq ($(shell md5 < /dev/null > /dev/null; echo $$?), 0)
+    HASH ?= md5
+  endif
 else ifeq ($(UNAME), FreeBSD)
   HASH ?= gmd5sum
 else ifeq ($(UNAME), NetBSD)

diff --git a/programs/Makefile b/programs/Makefile
index 7157c7a541fb24b512013462064027d1fd238785..fcdd90e53497d2d52457b74bfe18fe48ec56b94e 100644 (file)
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -103,7 +103,9 @@ UNAME := $(shell uname)
 
 ifndef BUILD_DIR
 ifeq ($(UNAME), Darwin)
-  HASH ?= md5
+  ifeq ($(shell md5 < /dev/null > /dev/null; echo $$?), 0)
+    HASH ?= md5
+  endif
 else ifeq ($(UNAME), FreeBSD)
   HASH ?= gmd5sum
 else ifeq ($(UNAME), NetBSD)