autoconf: autoupdate macros

[openafs.git] / src / cf / bigendian.m4

diff --git a/src/cf/bigendian.m4 b/src/cf/bigendian.m4
index f8250cf..6c7ae80 100644 (file)
--- a/src/cf/bigendian.m4
+++ b/src/cf/bigendian.m4
@@ -8,30 +8,31 @@ dnl otherwise test for it and define it.  also allow options for overriding
 dnl it when cross-compiling
 
 AC_DEFUN([OPENAFS_CHECK_BIGENDIAN], [
-AC_ARG_ENABLE(bigendian,
-[  --enable-bigendian  the target is big endian],
-openafs_cv_c_bigendian=yes)
-AC_ARG_ENABLE(littleendian,
-[  --enable-littleendian       the target is little endian],
-openafs_cv_c_bigendian=no)
+AC_ARG_ENABLE([bigendian],
+    [AS_HELP_STRING([--enable-bigendian], [the target is big endian])],
+    [openafs_cv_c_bigendian=yes])
+AC_ARG_ENABLE([littleendian],
+    [AS_HELP_STRING([--enable-littleendian], [the target is little endian])],
+    [openafs_cv_c_bigendian=no])
+
 AC_CACHE_CHECK(whether byte order is known at compile time,
 openafs_cv_c_bigendian_compile,
-[AC_TRY_COMPILE([
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h>
-#include <sys/param.h>],[
+#include <sys/param.h>]], [[
 #if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
  bogus endian macros
-#endif], openafs_cv_c_bigendian_compile=yes, openafs_cv_c_bigendian_compile=no)])
+#endif]])],[openafs_cv_c_bigendian_compile=yes],[openafs_cv_c_bigendian_compile=no])])
 AC_CACHE_CHECK(whether byte ordering is bigendian, openafs_cv_c_bigendian,[
   if test "$openafs_cv_c_bigendian_compile" = "yes"; then
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <sys/types.h>
-#include <sys/param.h>],[
+#include <sys/param.h>]], [[
 #if BYTE_ORDER != BIG_ENDIAN
   not big endian
-#endif], openafs_cv_c_bigendian=yes, openafs_cv_c_bigendian=no)
+#endif]])],[openafs_cv_c_bigendian=yes],[openafs_cv_c_bigendian=no])
   else
-    AC_TRY_RUN([main () {
+    AC_RUN_IFELSE([AC_LANG_SOURCE([[main () {
       /* Are we little or big endian?  From Harbison&Steele.  */
       union
       {
@@ -40,8 +41,7 @@ AC_CACHE_CHECK(whether byte ordering is bigendian, openafs_cv_c_bigendian,[
     } u;
     u.l = 1;
     exit (u.c[sizeof (long) - 1] == 1);
-  }], openafs_cv_c_bigendian=no, openafs_cv_c_bigendian=yes,
-  AC_MSG_ERROR([specify either --enable-bigendian or --enable-littleendian]))
+  }]])],[openafs_cv_c_bigendian=no],[openafs_cv_c_bigendian=yes],[AC_MSG_ERROR(specify either --enable-bigendian or --enable-littleendian)])
   fi
 ])
 if test "$openafs_cv_c_bigendian" = "yes"; then