Update preprocessor macro.

interkosmos · interkosmos · commit 27d27a8d3faf · 2025-07-27T18:32:05.000+02:00
diff --git a/src/modbus.F90 b/src/modbus.F90
@@ -1,4 +1,4 @@
-! modbus.f90
+! modbus.F90
 !
 ! Author:  Philipp Engel
 ! Licence: ISC
@@ -8,7 +8,7 @@ module modbus
     implicit none (type, external)
     private
 
-#if defined (__flang__)
+#if defined (__flang__) || (defined (__GFORTRAN__) && __GNUC__ > 15) || (defined (__GFORTRAN__) && __GNUC__ == 15 && __GNUC_MINOR__ >= 2)
 
     public :: c_uint8_t
     public :: c_uint16_t
