From 1974267d96828c9e5320af98b507926516086350 Mon Sep 17 00:00:00 2001
From: "Simeon H.K. Fitch" <fitch@astraea.io>
Date: Sun, 1 Oct 2023 12:41:49 -0400
Subject: [PATCH] GDAL version regressions.

---
 src/spatial_ref/transform.rs      | 26 ++++++++++++++++++++++----
 src/vector/ops/transformations.rs |  2 +-
 2 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/src/spatial_ref/transform.rs b/src/spatial_ref/transform.rs
index 7e2e11d02..b672445fc 100644
--- a/src/spatial_ref/transform.rs
+++ b/src/spatial_ref/transform.rs
@@ -1,8 +1,8 @@
 use crate::errors;
 use crate::errors::GdalError;
-use crate::spatial_ref::{CoordTransformOptions, SpatialRef, SpatialRefRef};
+use crate::spatial_ref::{CoordTransformOptions, SpatialRef};
 use crate::utils::{_last_cpl_err, _last_null_pointer_err};
-use foreign_types::{foreign_type, ForeignType, ForeignTypeRef};
+use foreign_types::{foreign_type, ForeignType};
 use gdal_sys::{CPLErr, OGRCoordinateTransformationH};
 use libc::c_int;
 use std::ptr::null_mut;
@@ -52,20 +52,27 @@ impl CoordTransform {
         Ok(unsafe { Self::from_ptr(c_obj) })
     }
 
+    #[cfg(all(major_ge_3, minor_ge_4))]
     /// Get the source coordinate system
     pub fn source(&self) -> SpatialRef {
+        use crate::spatial_ref::SpatialRefRef;
+        use foreign_types::ForeignTypeRef;
         let c_obj = unsafe { gdal_sys::OCTGetSourceCS(self.as_ptr()) };
         let sr = unsafe { SpatialRefRef::from_ptr(c_obj) };
         sr.to_owned()
     }
 
+    #[cfg(all(major_ge_3, minor_ge_4))]
     /// Get the target coordinate system
     pub fn target(&self) -> SpatialRef {
+        use crate::spatial_ref::SpatialRefRef;
+        use foreign_types::ForeignTypeRef;
         let c_obj = unsafe { gdal_sys::OCTGetTargetCS(self.as_ptr()) };
         let sr = unsafe { SpatialRefRef::from_ptr(c_obj) };
         sr.to_owned()
     }
 
+    /// Convert `SpatialRef` to a string for error messages.
     fn _sr_disp(srs: &SpatialRef) -> String {
         srs.authority()
             .or_else(|_| srs.to_proj4())
@@ -186,11 +193,22 @@ impl CoordTransform {
             } else {
                 return Err(err);
             };
-            Err(GdalError::InvalidCoordinateRange {
+            #[cfg(all(major_ge_3, minor_ge_4))]
+            return Err(GdalError::InvalidCoordinateRange {
                 from: Self::_sr_disp(&self.source()),
                 to: Self::_sr_disp(&self.target()),
                 msg,
-            })
+            });
+            #[cfg(not(all(major_ge_3, minor_ge_4)))]
+            // Prior to GDAL 3.5, we don't have a way to get
+            // the source and destinations `SpatialRef`'s provided
+            // to the constructor, and storing them for prior versions
+            // just for this one case requires code bloat
+            return Err(GdalError::InvalidCoordinateRange {
+                from: "source".into(),
+                to: "destination".into(),
+                msg,
+            });
         }
     }
 
diff --git a/src/vector/ops/transformations.rs b/src/vector/ops/transformations.rs
index 9ad19545e..af407c210 100644
--- a/src/vector/ops/transformations.rs
+++ b/src/vector/ops/transformations.rs
@@ -196,7 +196,7 @@ impl GeometryRef {
                     "Options to make_valid require GDAL >= 3.4".into(),
                 ));
             }
-            unsafe { gdal_sys::OGR_G_MakeValid(self.c_geometry()) }
+            unsafe { gdal_sys::OGR_G_MakeValid(self.as_ptr()) }
         };
 
         if c_geom.is_null() {