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Description: Avoid defining objects twice
Author: Stephen Kitt <skitt@debian.org>
This allows building with -fno-common (the GCC 10 default).
--- a/texmap/ntmap.c
+++ b/texmap/ntmap.c
@@ -55,7 +55,7 @@
int Lighting_on=1; // initialize to no lighting
int Tmap_flat_flag = 0; // 1 = render texture maps as flat shaded polygons.
int Current_seg_depth; // HACK INTERFACE: how far away the current segment (& thus texture) is
-int Max_perspective_depth;
+extern int Max_perspective_depth;
int Max_flat_depth;
// These variables are the interface to assembler. They get set for each texture map, which is a real waste of time.
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