From 14ef83291096e019ebc48040cf63530a2574a26d Mon Sep 17 00:00:00 2001
From: Alex Kiernan <alex.kiernan@gmail.com>
Date: Sun, 19 Jan 2020 16:03:21 +0000
Subject: [PATCH] Use unistd.h not argp.h for all POSIX systems

getopt(3) is found in unistd.h on all POSIX systems and we make no use
of any of the GNU specific argp extensions. Include unistd.h directly to
allow building with musl on linux, whilst retaining compatibility with
glibc and other unices.

Upstream-Status: Submitted [https://github.com/Gregwar/fatcat/pull/34]
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
---
 src/fatcat.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/src/fatcat.cpp b/src/fatcat.cpp
index ce23ca07bb99..b4427e465bde 100644
--- a/src/fatcat.cpp
+++ b/src/fatcat.cpp
@@ -1,14 +1,10 @@
 #include <stdlib.h>
-#include<string.h>
-#ifdef __APPLE__
-#include <unistd.h>
-#else
+#include <string.h>
 #ifdef __WIN__
 #include <ctype.h>
 #include "xgetopt/xgetopt.h"
 #else
-#include <argp.h>
-#endif
+#include <unistd.h>
 #endif
 
 #include <stdio.h>