From aed34f7b3bd5a919dc547a637bc0534b08214c16 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Wed, 30 Jun 2021 17:24:41 -0700
Subject: [PATCH] remove unlink configuration check and Windows shim

Nothing in Graphviz uses unlink.
---
 configure.ac             | 2 +-
 windows/include/unistd.h | 1 -
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure.ac b/configure.ac
index ea4cb1fd2..68634d429 100644
--- a/configure.ac
+++ b/configure.ac
@@ -468,7 +468,7 @@ LIBS=$save_LIBS
 # Checks for library functions
 AC_CHECK_FUNCS([lrand48 drand48 srand48 setmode setenv getenv \
 	cbrt getpagesize \
-  ftruncate lseek64 stat64 unlink select])
+  ftruncate lseek64 stat64 select])
 
 AC_REPLACE_FUNCS([strcasestr])
 
diff --git a/windows/include/unistd.h b/windows/include/unistd.h
index cd9be941d..cc8e95598 100644
--- a/windows/include/unistd.h
+++ b/windows/include/unistd.h
@@ -24,7 +24,6 @@
 #define dup2 _dup2
 #define execve _execve
 #define ftruncate _chsize
-#define unlink _unlink
 #define fileno _fileno
 #define getcwd _getcwd
 #define chdir _chdir
-- 
2.40.0