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Diffstat (limited to 'm4/isatty.m4')
| -rw-r--r-- | m4/isatty.m4 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/m4/isatty.m4 b/m4/isatty.m4 new file mode 100644 index 0000000..64fdb4e --- /dev/null +++ b/m4/isatty.m4 @@ -0,0 +1,19 @@ +# isatty.m4 serial 3 +dnl Copyright (C) 2012-2020 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. + +AC_DEFUN([gl_FUNC_ISATTY], +[ + AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) + AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles + dnl On native Windows, the system's isatty(), defined as an alias of _isatty() + dnl in the "oldnames" library, returns true for the NUL device. + case $host_os in + mingw*) REPLACE_ISATTY=1 ;; + esac +]) + +# Prerequisites of lib/isatty.c. +AC_DEFUN([gl_PREREQ_ISATTY], [:]) |