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Diffstat (limited to 'm4/byteswap.m4')
| -rw-r--r-- | m4/byteswap.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/m4/byteswap.m4 b/m4/byteswap.m4 new file mode 100644 index 0000000..0f43994 --- /dev/null +++ b/m4/byteswap.m4 @@ -0,0 +1,19 @@ +# byteswap.m4 serial 4 +dnl Copyright (C) 2005, 2007, 2009-2020 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"]) +]) |