* configure.in: use AC_CHECK_SIZEOF(int) to set BITS16/BITS32.

	Use AC_TRY_RUN test to set MSBFIRST or LSBFIRST.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@5596 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb4/ChangeLog b/src/lib/krb4/ChangeLog
index ecf35d82de67cd15eb7c07aafb19bd76e8e73542..2f730c3e48726b39aa61c5e75fe3c05752b23415 100644 (file)
--- a/src/lib/krb4/ChangeLog
+++ b/src/lib/krb4/ChangeLog
@@ -1,3 +1,8 @@
+Fri Apr 28 01:38:42 1995  Mark W. Eichin  <eichin@cygnus.com>
+
+       * configure.in: use AC_CHECK_SIZEOF(int) to set BITS16/BITS32.
+       Use AC_TRY_RUN test to set MSBFIRST or LSBFIRST.
+
 Tue Mar 28 09:19:23 1995  Mark Eichin  <eichin@cygnus.com>
 
        * send_to_kdc.c (send_to_kdc): only use secondary port if entry

diff --git a/src/lib/krb4/configure.in b/src/lib/krb4/configure.in
index 8f10ace40fb2ce956f81661d7ed653ecc3f43fdf..de01bfd0b6d5600617523ee4048b379cadc3b78f 100644 (file)
--- a/src/lib/krb4/configure.in
+++ b/src/lib/krb4/configure.in
@@ -11,6 +11,32 @@ AC_PROG_INSTALL
 AC_CONST
 CHECK_FCNTL
 AC_HEADER_CHECK(unistd.h,AC_DEFINE(HAS_UNISTD_H))
+dnl need MSBFIRST, LSBFIRST, BITS16, BITS32
+AC_MSG_CHECKING([if system is msbfirst])
+AC_CACHE_VAL(krb5_cv_is_msbfirst,
+[AC_TRY_RUN(
+[#include <stdio.h>
+int main()
+{
+  int one = 1;
+  exit (*(char*) &one); /* MSBFIRST iff 1 */
+}],
+krb5_cv_is_msbfirst=yes, krb5_cv_is_msbfirst=no
+)])dnl fail on cross for now
+AC_MSG_RESULT($krb5_cv_is_msbfirst)
+if test $krb5_cv_is_msbfirst = yes; then
+       AC_DEFINE(MSBFIRST)
+else
+       AC_DEFINE(LSBFIRST)
+fi
+dnl
+dnl check int, set bits16/bits32 based on it
+AC_CHECK_SIZEOF(int)
+if test $ac_cv_sizeof_int = 2; then
+       AC_DEFINE(BITS16)
+else
+       AC_DEFINE(BITS32)
+fi
 ET_RULES
 SubdirLibraryRule([$(OBJS)])
 KRB_INCLUDE