From: Mark Eichin <eichin@mit.edu>
Date: Fri, 28 Apr 1995 05:53:43 +0000 (+0000)
Subject: 	* configure.in: use AC_CHECK_SIZEOF(int) to set BITS16/BITS32.
X-Git-Tag: krb5-1.0-beta5~156
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=86090c2919d58c71b1b3115c3851c8f0837319e4;p=krb5.git

	* 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 ecf35d82d..2f730c3e4 100644
--- 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 8f10ace40..de01bfd0b 100644
--- 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