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-rw-r--r--configure.ac23
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4b1ae7c3c9..f75609e743 100644
--- a/configure.ac
+++ b/configure.ac
@@ -865,6 +865,29 @@ else
SNPRINTF_RETURNS_BOGUS=
fi
GIT_CONF_SUBST([SNPRINTF_RETURNS_BOGUS])
+#
+# Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
+# bits in mode values.
+AC_CACHE_CHECK([whether the platform uses typical file type bits],
+ [ac_cv_sane_mode_bits], [
+AC_EGREP_CPP(yippeeyeswehaveit,
+ AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
+[#if S_IFMT == 0170000 && \
+ S_IFREG == 0100000 && S_IFDIR == 0040000 && S_IFLNK == 0120000 && \
+ S_IFBLK == 0060000 && S_IFCHR == 0020000 && \
+ S_IFIFO == 0010000 && S_IFSOCK == 0140000
+yippeeyeswehaveit
+#endif
+]),
+ [ac_cv_sane_mode_bits=yes],
+ [ac_cv_sane_mode_bits=no])
+])
+if test $ac_cv_sane_mode_bits = yes; then
+ NEEDS_MODE_TRANSLATION=
+else
+ NEEDS_MODE_TRANSLATION=UnfortunatelyYes
+fi
+GIT_CONF_SUBST([NEEDS_MODE_TRANSLATION])
## Checks for library functions.