crosstool-ng/m4/ctng_prog_stat.m4

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# Check that stat(1) is present and determine the syntax for the format
# string (BSD or GNU). Defines ac_cv_stat_flavor to either GNU or BSD;
# and evaluates either IF-GNU or IF-BSD expression.
# CTNG_PROG_STAT([IF-GNU], [IF-BSD])
AC_DEFUN([CTNG_PROG_STAT],
[AX_REQUIRE_DEFINED([CTNG_CHECK_PROGS_REQ])
CTNG_CHECK_PROGS_REQ([stat], [stat])
AC_CACHE_CHECK([whether stat takes GNU or BSD format],
[acx_cv_stat_flavor],
[touch conftest
chmod 642 conftest
attr_bsd=$(stat -f '%Lp' conftest 2>/dev/null)
attr_gnu=$(stat -c '%a' conftest 2>/dev/null)
rm -f conftest
AS_IF([test "$attr_bsd" = "642"],
[acx_cv_stat_flavor=BSD
$2
],
[test "$attr_gnu" = "642"],
[acx_cv_stat_flavor=GNU
$1
],
[AC_MSG_ERROR([cannot determine stat(1) format option])])])
])