[PATCH 2/3] Drop AC_SUBST(build_exeext)

[Jon Turney]

The autoconf variable build_exeext isn't defined, and it's value isn't
used.
---
 winsup/doc/configure.ac | 2 --
 1 file changed, 2 deletions(-)

diff --git a/winsup/doc/configure.ac b/winsup/doc/configure.ac
index 8364dc79e..32e52415a 100644
--- a/winsup/doc/configure.ac
+++ b/winsup/doc/configure.ac
@@ -20,7 +20,5 @@ AC_CANONICAL_TARGET
 
 AC_PROG_CC
 
-AC_SUBST(build_exeext)
-
 AC_CONFIG_FILES([Makefile])
 AC_OUTPUT
-- 
2.28.0