From f7a24052c28304aeff1b846619d0f62c7354c13b Mon Sep 17 00:00:00 2001
From: proddy <paul@derbyshire.nl>
Date: Mon, 16 Dec 2024 21:38:06 +0100
Subject: [PATCH] make makefile work for OSX

---
 Makefile | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 8674ab134..ea61bda61 100644
--- a/Makefile
+++ b/Makefile
@@ -16,11 +16,19 @@ T := $(shell $(MAKE) $(MAKECMDGOALS) --no-print-directory \
       ECHO="COUNTTHIS" | grep -c "COUNTTHIS")
 N := x
 C = $(words $N)$(eval N := x $N)
-ECHO = python $(I)/echo_progress.py --stepno=$C --nsteps=$T
+ECHO = python3 $(I)/echo_progress.py --stepno=$C --nsteps=$T
 endif
 
 # number of parallel compiles
-JOBS ?= $(shell nproc)
+UNAME_S := $(shell uname -s)
+ifeq ($(UNAME_S),Linux)
+    CFLAGS += -D LINUX
+	JOBS ?= $(shell nproc)
+endif
+ifeq ($(UNAME_S),Darwin)
+    CFLAGS += -D OSX
+	JOBS ?= $(shell sysctl -n hw.ncpu)
+endif
 MAKEFLAGS += -j $(JOBS) -l $(JOBS)
 
 #----------------------------------------------------------------------