Set _FILE_OFFSET_BITS to 64

This allows for operating on large files when compiled in 32-bit mode. Fixes ccache#649.
biserov · Sep 2, 2020 · c765933 · c765933
1 parent eae946b
commit c765933
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cmake/config.h.in b/cmake/config.h.in
@@ -42,6 +42,11 @@
 #  define _XOPEN_SOURCE_EXTENDED
 #endif
 
+// Handle large files when compiled in 32-bit mode.
+#ifndef _FILE_OFFSET_BITS
+#  define _FILE_OFFSET_BITS 64
+#endif
+
 // clang-format off
 #cmakedefine _WIN32_WINNT @_WIN32_WINNT@
 // clang-format on