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-rw-r--r--m4/byteswap.m419
-rw-r--r--m4/gnulib-comp.m44
2 files changed, 23 insertions, 0 deletions
diff --git a/m4/byteswap.m4 b/m4/byteswap.m4
new file mode 100644
index 00000000000..7566903dc49
--- /dev/null
+++ b/m4/byteswap.m4
@@ -0,0 +1,19 @@
+# byteswap.m4 serial 4
+dnl Copyright (C) 2005, 2007, 2009-2013 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl Written by Oskar Liljeblad.
+
+AC_DEFUN([gl_BYTESWAP],
+[
+ dnl Prerequisites of lib/byteswap.in.h.
+ AC_CHECK_HEADERS([byteswap.h], [
+ BYTESWAP_H=''
+ ], [
+ BYTESWAP_H='byteswap.h'
+ ])
+ AC_SUBST([BYTESWAP_H])
+ AM_CONDITIONAL([GL_GENERATE_BYTESWAP_H], [test -n "$BYTESWAP_H"])
+])
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 2e5a9cf97d1..ff36981c8d0 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -42,6 +42,7 @@ AC_DEFUN([gl_EARLY],
# Code from module allocator:
# Code from module at-internal:
# Code from module binary-io:
+ # Code from module byteswap:
# Code from module c-ctype:
# Code from module c-strcase:
# Code from module careadlinkat:
@@ -169,6 +170,7 @@ AC_DEFUN([gl_INIT],
gl_COMMON
gl_source_base='lib'
gl_FUNC_ALLOCA
+ gl_BYTESWAP
AC_CHECK_FUNCS_ONCE([readlinkat])
gl_CLOCK_TIME
gl_CLOSE_STREAM
@@ -794,6 +796,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/at-func.c
lib/binary-io.c
lib/binary-io.h
+ lib/byteswap.in.h
lib/c-ctype.c
lib/c-ctype.h
lib/c-strcase.h
@@ -912,6 +915,7 @@ AC_DEFUN([gl_FILE_LIST], [
m4/00gnulib.m4
m4/acl.m4
m4/alloca.m4
+ m4/byteswap.m4
m4/c-strtod.m4
m4/clock_time.m4
m4/close-stream.m4