From d4e7d987a39befc9793f83a15f7411e8aef8bc6f Mon Sep 17 00:00:00 2001
From: Zack Middleton <zack@cloemail.com>
Date: Thu, 8 Feb 2018 10:20:39 -0600
Subject: [PATCH] Fix MAC_OS_X_VERSION_MIN_REQUIRED for macOS 10.10 and later

Manually specifying MACOSX_VERSION_MIN=10.10 or later would use the
wrong value for MAC_OS_X_VERSION_MIN_REQUIRED define. 1100 instead of
101000.
---
 Makefile | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 4aa9f519..ee8cbf92 100644
--- a/Makefile
+++ b/Makefile
@@ -426,8 +426,15 @@ ifeq ($(PLATFORM),darwin)
     MACOSX_VERSION_MIN=10.7
   endif
 
-  # Multiply by 100 and then remove decimal. 10.7 -> 1070.0 -> 1070
-  MAC_OS_X_VERSION_MIN_REQUIRED=$(shell echo '$(MACOSX_VERSION_MIN) * 100' | bc | cut -d. -f1)
+  MACOSX_MAJOR=$(shell echo $(MACOSX_VERSION_MIN) | cut -d. -f1)
+  MACOSX_MINOR=$(shell echo $(MACOSX_VERSION_MIN) | cut -d. -f2)
+  ifeq ($(shell test $(MACOSX_MINOR) -gt 9; echo $$?),0)
+    # Multiply and then remove decimal. 10.10 -> 101000.0 -> 101000
+    MAC_OS_X_VERSION_MIN_REQUIRED=$(shell echo "$(MACOSX_MAJOR) * 10000 + $(MACOSX_MINOR) * 100" | bc | cut -d. -f1)
+  else
+    # Multiply by 100 and then remove decimal. 10.7 -> 1070.0 -> 1070
+    MAC_OS_X_VERSION_MIN_REQUIRED=$(shell echo "$(MACOSX_VERSION_MIN) * 100" | bc | cut -d. -f1)
+  endif
 
   LDFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN)
   BASE_CFLAGS += -mmacosx-version-min=$(MACOSX_VERSION_MIN) \