From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Gold856 <117957790+Gold856@users.noreply.github.com>
Date: Fri, 22 Nov 2024 09:54:00 -0500
Subject: [PATCH 2/8] Make mrcal functions extern "C"

---
 mrcal.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mrcal.h b/mrcal.h
index 1eef334a79597cfae61f8111ab97ca04f02b83b2..488ddfe72b3407b3fcb7c3d9de43d1a07433744d 100644
--- a/mrcal.h
+++ b/mrcal.h
@@ -20,7 +20,9 @@
 ////////////////////////////////////////////////////////////////////////////////
 //////////////////// Lens models
 ////////////////////////////////////////////////////////////////////////////////
-
+#ifdef __cplusplus
+extern "C" {
+#endif
 // Return an array of strings listing all the available lens models
 //
 // These are all "unconfigured" strings that use "..." placeholders for any
@@ -846,6 +848,9 @@ void                 mrcal_free_cameramodel(mrcal_cameramodel_t** cameramodel);
 bool mrcal_write_cameramodel_file(const char* filename,
                                   const mrcal_cameramodel_t* cameramodel);
 
+#ifdef __cplusplus
+} // extern "C"
+#endif
 #define DECLARE_mrcal_apply_color_map(T,Tname)                          \
     bool mrcal_apply_color_map_##Tname(                                 \
         mrcal_image_bgr_t*    out,                                      \