From ef6eda0641204bb9dd1b0604234116e91908195f Mon Sep 17 00:00:00 2001
From: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
Date: Mon, 31 Dec 2012 14:17:55 +0100
Subject: [Embtk] give ability to specify default FPU to use

Signed-off-by: Abdoulaye Walsimou Gaye <awg@embtoolkit.org>
---
 autoconf/configure.ac           | 11 +++++++++++
 configure                       | 21 ++++++++++++++++++++-
 include/llvm/Config/config.h.in |  3 +++
 3 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 3756c4f9ce..3fe6d42009 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -433,6 +433,17 @@ if test "$withval" != "Unknown" ; then
 		[Default float abi to use to all compiler invocations.])
 fi
 
+dnl Default FPU to use to all compiler invocations, in case of hard float
+AC_ARG_WITH(default-float,
+	AS_HELP_STRING([--with-default-fpu],
+	[Default FPU to use to all compiler invocations, in case of hard float.]),,
+	withval="Unknown")
+
+if test "$withval" != "Unknown" ; then
+	AC_DEFINE_UNQUOTED(DEFAULT_TARGET_FPU,"$withval",
+	[Default FPU to use to all compiler invocations, in case of hard float.])
+fi
+
 dnl Check for the endianness of the target
 AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little]))
 
diff --git a/configure b/configure
index f01670ab1b..c11738495e 100755
--- a/configure
+++ b/configure
@@ -1444,6 +1444,8 @@ Optional Packages:
                           invocations.
   --with-default-float    Default float abi to use to all compiler
                           invocations.
+  --with-default-fpu      Default FPU to use to all compiler invocations, in
+                          case of hard float.
   --with-optimize-option  Select the compiler options to use for optimized
                           builds
   --with-extra-options    Specify additional options to compile LLVM with
@@ -3993,6 +3995,23 @@ _ACEOF
 fi
 
 
+# Check whether --with-default-float was given.
+if test "${with_default_float+set}" = set; then
+  withval=$with_default_float;
+else
+  withval="Unknown"
+fi
+
+
+if test "$withval" != "Unknown" ; then
+
+cat >>confdefs.h <<_ACEOF
+#define DEFAULT_TARGET_FPU "$withval"
+_ACEOF
+
+fi
+
+
 
 { echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
 echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
@@ -10354,7 +10373,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<EOF
-#line 10357 "configure"
+#line 10376 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/include/llvm/Config/config.h.in b/include/llvm/Config/config.h.in
index 8644a3e9e0..25e7d761e2 100644
--- a/include/llvm/Config/config.h.in
+++ b/include/llvm/Config/config.h.in
@@ -21,6 +21,9 @@
 /* Default float abi to use to all compiler invocations. */
 #undef DEFAULT_TARGET_FLOAT
 
+/* Default FPU to use to all compiler invocations, in case of hard float. */
+#undef DEFAULT_TARGET_FPU
+
 /* Default cpu (-mcpu=cpu) to use to all compiler invocations. */
 #undef DEFAULT_TARGET_MCPU
 
-- 
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