vcpkg/ports/cfitsio/0001-correct-headers-for-getcwd.patch

From 67400fcbd3ab2f7e68a8e7a60139b1b615debae2 Mon Sep 17 00:00:00 2001
From: Nicole Mazzuca <mazzucan@outlook.com>
Date: Wed, 23 Sep 2020 10:27:43 -0700
Subject: [PATCH] correct headers for getcwd

---
 fitsio.h | 3 +++
 group.c  | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/fitsio.h b/fitsio.h
index ec26d9d..792bb95 100644
--- a/fitsio.h
+++ b/fitsio.h
@@ -39,6 +39,9 @@ SERVICES PROVIDED HEREUNDER."
 #define CFITSIO_MAJOR 3
 #define CFITSIO_SONAME 5
 
+/* Required for getcwd() */
+#define _POSIX_C_SOURCE 200112L
+
 /* the SONAME is incremented in a new release if the binary shared */
 /* library (on linux and Mac systems) is not backward compatible */
 /* with the previous release of CFITSIO */
diff --git a/group.c b/group.c
index 9326c57..cec0f6a 100644
--- a/group.c
+++ b/group.c
@@ -24,7 +24,7 @@
 #include <direct.h>   /* defines the getcwd function on Windows PCs */
 #endif
 
-#if defined(unix) || defined(__unix__)  || defined(__unix) || defined(HAVE_UNISTD_H)
+#if defined(unix) || defined(__unix__)  || defined(__unix) || defined(__APPLE__) || defined(HAVE_UNISTD_H)
 #include <unistd.h>  /* needed for getcwd prototype on unix machines */
 #endif
 
-- 
2.24.3 (Apple Git-128)