---
 configure           |    2 ++
 configure.ac        |    2 ++
 lib-src/Makefile.in |    6 ++++--
 3 files changed, 8 insertions(+), 2 deletions(-)

Index: configure
===================================================================
--- configure.orig
+++ configure
@@ -10951,6 +10951,7 @@ fi
 use_mmap_for_buffers=no
 case "$opsys" in
   cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
+  gnu-linux) use_mmap_for_buffers=yes ;;
 esac
 
 
Index: configure.ac
===================================================================
--- configure.ac.orig
+++ configure.ac
@@ -2048,6 +2048,7 @@ fi
 use_mmap_for_buffers=no
 case "$opsys" in
   cygwin|freebsd|irix6-5) use_mmap_for_buffers=yes ;;
+  gnu-linux) use_mmap_for_buffers=yes ;;
 esac
 
 AC_FUNC_MMAP