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-rw-r--r--Makeconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/Makeconfig b/Makeconfig
index d21d7114e0..cbb2db0102 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -114,6 +114,12 @@ export sysdep_dir := $(sysdep_dir)
 ####
 
 
+# Set this to either `stdio' or `libio', to compile in either GNU stdio
+# or GNU libio.
+ifndef stdio
+stdio = stdio
+endif
+
 # Common prefix for machine-independent installation directories.
 ifeq ($(origin prefix),undefined) # ifndef would override explicit empty value.
 prefix = /usr/local