From 377106fac109b2d084137e48525cf68efdc50343 Mon Sep 17 00:00:00 2001
From: Victor Polevoy <fx@thefx.co>
Date: Wed, 22 Feb 2023 15:05:16 +0100
Subject: [PATCH] Attempt to find the correct path for openssl.

The installation path for openssl may vary depending on the way
used for its installation and the macOS version.

This commit attempts to find the correct path for openssl to use.
---
 Makefile | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 016a77160..223a10159 100644
--- a/Makefile
+++ b/Makefile
@@ -100,9 +100,20 @@ ifeq ($(USE_SSL),1)
       SSL_LDFLAGS=-lssl -lcrypto
     endif
   else
-    OPENSSL_PREFIX?=/usr/local/opt/openssl
-    CFLAGS+=-I$(OPENSSL_PREFIX)/include
-    SSL_LDFLAGS+=-L$(OPENSSL_PREFIX)/lib -lssl -lcrypto
+    # On old OSX and macOS, MacPort and HomeBrew both used to install openssl
+    # into this directory. On newer machines, homebrew installs into its own
+    # opt/homebrew/ install prefix.
+    IS_OLD_PATH=$(shell sh -c 'test -d /usr/local/opt/openssl')
+
+    ifeq ($(IS_OLD_PATH),1)
+      OPENSSL_PREFIX?=/usr/local/opt/openssl
+      CFLAGS+=-I$(OPENSSL_PREFIX)/include
+      SSL_LDFLAGS+=-L$(OPENSSL_PREFIX)/lib -lssl -lcrypto
+    else
+      OPENSSL_PREFIX?=/opt/homebrew/opt/openssl
+      CFLAGS+=-I$(OPENSSL_PREFIX)/include
+      SSL_LDFLAGS+=-L$(OPENSSL_PREFIX)/lib -lssl -lcrypto
+    endif
   endif
 endif