X-Git-Url: https://git.deb.at/?a=blobdiff_plain;ds=sidebyside;f=m4%2Fsigned.m4;fp=m4%2Fsigned.m4;h=048f593698ba151c8c47f25b90df5c87c54e8aa0;hb=7c54e85b04f6d030ae47dd880d0391f6e35d1634;hp=0000000000000000000000000000000000000000;hpb=addc54efb596b39b0e4e6ce219ee0f1506337475;p=pkg%2Fabook.git

diff --git a/m4/signed.m4 b/m4/signed.m4
new file mode 100644
index 0000000..048f593
--- /dev/null
+++ b/m4/signed.m4
@@ -0,0 +1,17 @@
+# signed.m4 serial 1 (gettext-0.10.40)
+dnl Copyright (C) 2001-2002 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 From Bruno Haible.
+
+AC_DEFUN([bh_C_SIGNED],
+[
+  AC_CACHE_CHECK([for signed], bh_cv_c_signed,
+   [AC_TRY_COMPILE(, [signed char x;], bh_cv_c_signed=yes, bh_cv_c_signed=no)])
+  if test $bh_cv_c_signed = no; then
+    AC_DEFINE(signed, ,
+              [Define to empty if the C compiler doesn't support this keyword.])
+  fi
+])