From c9f798a07b1722571278b22265cddf1bd428a0b4 Mon Sep 17 00:00:00 2001
From: Bruce Mitchener <bruce.mitchener@gmail.com>
Date: Thu, 21 May 2020 21:57:05 +0700
Subject: [PATCH] Enable LUA_USE_POSIX, fix tmpnam warning on macOS.

On macOS, we want to use `mkstemp` rather than `tmpnam`. Enable
POSIX support in Lua to fix that (and some other things). Since
POSIX support also enables the flag for POPEN, we no longer need
to do that directly for Linux.
---
 build.sh | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/build.sh b/build.sh
index 38c0e068..ffd1d01b 100755
--- a/build.sh
+++ b/build.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 
-cflags="-Wall -O3 -g -std=gnu11 -Isrc -DLUA_USE_POPEN"
+cflags="-Wall -O3 -g -std=gnu11 -Isrc"
 lflags="-lSDL2 -lm"
 
 if [[ $* == *windows* ]]; then
   platform="windows"
   outfile="lite.exe"
   compiler="x86_64-w64-mingw32-gcc"
-  cflags="$cflags -Iwinlib/SDL2-2.0.10/x86_64-w64-mingw32/include"
+  cflags="$cflags -DLUA_USE_POPEN -Iwinlib/SDL2-2.0.10/x86_64-w64-mingw32/include"
   lflags="$lflags -Lwinlib/SDL2-2.0.10/x86_64-w64-mingw32/lib"
   lflags="-lmingw32 -lSDL2main $lflags -mwindows -o $outfile res.res"
   x86_64-w64-mingw32-windres res.rc -O coff -o res.res
@@ -15,6 +15,7 @@ else
   platform="unix"
   outfile="lite"
   compiler="gcc"
+  cflags="$cflags -DLUA_USE_POSIX"
   lflags="$lflags -o $outfile"
 fi