From 4dfb70d88f61767ca49ea99f844402aa7f4d6ce9 Mon Sep 17 00:00:00 2001
From: Yoshi Sugawara <yoshi.sugawara@gmail.com>
Date: Wed, 25 Nov 2020 22:29:58 -1000
Subject: [PATCH] [iOS][tvOS] Add -DHAVE_UNISTD_H flag to compile zlib

---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index c6ddb005..13270746 100644
--- a/Makefile
+++ b/Makefile
@@ -174,7 +174,7 @@ else ifneq (,$(findstring ios,$(platform)))
    endif
    HAVE_LIGHTREC = 0
    LDFLAGS += $(IPHONEMINVER)
-   FLAGS   += $(IPHONEMINVER)
+   FLAGS   += $(IPHONEMINVER) -DHAVE_UNISTD_H
    CC      += $(IPHONEMINVER)
    CXX     += $(IPHONEMINVER)
 
@@ -184,6 +184,7 @@ else ifeq ($(platform), tvos-arm64)
    fpic := -fPIC
    SHARED := -dynamiclib
    HAVE_LIGHTREC = 0
+   FLAGS += -DHAVE_UNISTD_H
 
 ifeq ($(IOSSDK),)
    IOSSDK := $(shell xcodebuild -version -sdk appletvos Path)