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Diffstat (limited to 'm4/ctng_prog_stat.m4')
-rw-r--r-- | m4/ctng_prog_stat.m4 | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/m4/ctng_prog_stat.m4 b/m4/ctng_prog_stat.m4 new file mode 100644 index 0000000..f7de93e --- /dev/null +++ b/m4/ctng_prog_stat.m4 @@ -0,0 +1,18 @@ +# Check that stat(1) is present and determine the syntax for the format +# string (BSD or GNU). +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 "$attr_bsd" = "642"], + [acx_cv_stat_flavor=BSD], + [test "$attr_gnu" = "642"], + [acx_cv_stat_flavor=GNU], + [AC_MSG_ERROR([cannot determine stat(1) format option])])]) + ]) |