From 0ab4bf1143cdd709b3d704157b9d650eab40591a Mon Sep 17 00:00:00 2001
From: SpaceIm <30052553+SpaceIm@users.noreply.github.com>
Date: Sun, 11 Aug 2024 20:55:26 +0200
Subject: [PATCH] add missing include of stddef.h in IPhreeqc.h if no fortran
 module

when IPHREEQC_NO_FORTRAN_MODULE is defined, the type of the last parameter of SetBasicFortranCallback is size_t, which is defined in stddef.h
---
 src/IPhreeqc.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/IPhreeqc.h b/src/IPhreeqc.h
index 4c04c426..62d99029 100644
--- a/src/IPhreeqc.h
+++ b/src/IPhreeqc.h
@@ -6,6 +6,10 @@
 
 #include "Var.h"
 
+#ifdef IPHREEQC_NO_FORTRAN_MODULE
+#include <stddef.h>
+#endif
+
 /**
  * @mainpage IPhreeqc Library Documentation (@PHREEQC_VER@-@REVISION_SVN@)
  *