From: Ryan Schmidt <ryandesign@macports.org>
Date: Wed, 18 May 2022 10:53:08 +0000 (-0500)
Subject: src/tk/tkconfig.h: Micropolis build fixes for recent macOS
X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/micropolis/commitdiff_plain/056053a6a9c5d780be96ae4865d01fed5700f90c

src/tk/tkconfig.h: Micropolis build fixes for recent macOS

Fix:
tkoption.c:875:9: error: implicit declaration of function 'read' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    if (read(fileId, buffer, (int) statBuf.st_size) != statBuf.st_size) {
        ^
---

diff --git a/src/tk/tkconfig.h b/src/tk/tkconfig.h
index d8e27a2..ca64595 100644
--- a/src/tk/tkconfig.h
+++ b/src/tk/tkconfig.h
@@ -45,6 +45,7 @@
 #include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/time.h>
+#include <unistd.h>
 #ifndef _TCL
 #   include <tcl.h>
 #endif