From 045c0bae56b70a12b24ae29fcd5a3852310f2c6e Mon Sep 17 00:00:00 2001
From: gitlost <burmartke@gmail.com>
Date: Wed, 3 Mar 2021 13:58:32 +0000
Subject: [PATCH] #219 frontend cmake: compile bundled getopt if not available,
 props Schaich Alonso

---
 frontend/CMakeLists.txt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/frontend/CMakeLists.txt b/frontend/CMakeLists.txt
index 05db17d2..d731ac9f 100644
--- a/frontend/CMakeLists.txt
+++ b/frontend/CMakeLists.txt
@@ -2,7 +2,15 @@
 
 project(zint_frontend)
 
-set(zint_frontend_SRCS main.c )
+include(CheckFunctionExists)
+
+check_function_exists(getopt HAVE_GETOPT)
+
+set(zint_frontend_SRCS main.c)
+
+if(NOT HAVE_GETOPT)
+    set(zint_frontend_SRCS ${zint_frontend_SRCS} getopt.c getopt1.c)
+endif(NOT HAVE_GETOPT)
 
 include_directories(BEFORE "${CMAKE_SOURCE_DIR}/backend")