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-rw-r--r--support/support.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/support/support.h b/support/support.h
index 34ae6e10cd..c6ff4bafb4 100644
--- a/support/support.h
+++ b/support/support.h
@@ -25,6 +25,8 @@
 
 #include <stddef.h>
 #include <sys/cdefs.h>
+/* For mode_t.  */
+#include <sys/stat.h>
 
 __BEGIN_DECLS
 
@@ -82,6 +84,16 @@ char *xasprintf (const char *format, ...)
 char *xstrdup (const char *);
 char *xstrndup (const char *, size_t);
 
+/* These point to the TOP of the source/build tree, not your (or
+   support's) subdirectory.  */
+extern const char support_srcdir_root[];
+extern const char support_objdir_root[];
+
+/* Corresponds to the --prefix= passed to configure.  */
+extern const char support_install_prefix[];
+/* Corresponds to the install's lib/ or lib64/ directory.  */
+extern const char support_libdir_prefix[];
+
 __END_DECLS
 
 #endif /* SUPPORT_H */