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changeset 588:9b02a14aaaea

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[project @ 1994-08-07 23:03:57 by jwe]
author jwe
date Sun, 07 Aug 1994 23:03:57 +0000
parents 68ef35f2157f
children 81b973e373f9
files configure.in
diffstat 1 files changed, 24 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/configure.in	Sun Aug 07 22:06:13 1994 +0000
+++ b/configure.in	Sun Aug 07 23:03:57 1994 +0000
@@ -21,7 +21,7 @@
 dnl along with Octave; see the file COPYING.  If not, write to the Free
 dnl Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 dnl
-AC_REVISION($Revision: 1.35 $)dnl
+AC_REVISION($Revision: 1.36 $)dnl
 AC_PREREQ(1.8)dnl
 AC_INIT(src/octave.cc)
 AC_CONFIG_HEADER(config.h)
@@ -242,6 +242,29 @@
 AC_SCO_INTL
 AC_XENIX_DIR
 dnl
+dnl Try to determine the floating point format.
+dnl
+AC_CHECKING([floating point format])
+${CC-cc} -DDP $CFLAGS $LDFLAGS $srcdir/float-type.c -o conftest >/dev/null 2>&1
+FLOAT_FORMAT=`./conftest`
+case "$FLOAT_FORMAT" in
+  IEEE_BIG_ENDIAN)
+    AC_DEFINE(IEEE_BIG_ENDIAN, 1)dnl
+  ;;
+  IEEE_LITTLE_ENDIAN)
+    AC_DEFINE(IEEE_LITTLE_ENDIAN, 1)dnl
+  ;;
+  VAX_D_FLOAT)
+    AC_DEFINE(VAX_D_FLOAT, 1)dnl
+  ;;
+  VAX_G_FLOAT)
+    AC_DEFINE(VAX_G_FLOAT, 1)dnl
+  ;;
+  *)
+    AC_WARN("unrecognized floating point format!")
+  ;;
+esac
+dnl
 dnl Does the C compiler handle alloca() and const correctly?
 dnl
 AC_ALLOCA