From 7b32a8f61f4b3a34cacbd029e85220787eada240 Mon Sep 17 00:00:00 2001
From: Uros Bizjak <ubizjak@gmail.com>
Date: Thu, 19 Jan 2017 22:00:53 +0100
Subject: re PR target/78478 (Compile Error for i386-rtems)

	PR target/78478
	* config/ax_check_define.m4: New file.

libgfortran/ChangeLog:

	PR target/78478
	* acinclude.m4: Include ../config/ax_check_define.m4
	* configure.ac: Check if _SOFT_FLOAT is defined.
	* configure.host (i?86 | x86_64): Use fpu-generic when
	have_soft_float is set.
	* configure: Regenerate.

From-SVN: r244651
---
 libgfortran/configure | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

(limited to 'libgfortran/configure')

diff --git a/libgfortran/configure b/libgfortran/configure
index 20b5e68..81238fc 100755
--- a/libgfortran/configure
+++ b/libgfortran/configure
@@ -25822,6 +25822,43 @@ $as_echo "#define HAVE_FP_ENABLE 1" >>confdefs.h
 fi
 
 
+# Check if _SOFT_FLOAT is defined
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _SOFT_FLOAT defined" >&5
+$as_echo_n "checking for _SOFT_FLOAT defined... " >&6; }
+if test "${ac_cv_defined__SOFT_FLOAT+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  #ifdef _SOFT_FLOAT
+  int ok;
+  #else
+  choke me
+  #endif
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ac_cv_defined__SOFT_FLOAT=yes
+else
+  ac_cv_defined__SOFT_FLOAT=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_defined__SOFT_FLOAT" >&5
+$as_echo "$ac_cv_defined__SOFT_FLOAT" >&6; }
+if test $ac_cv_defined__SOFT_FLOAT != "no"; then :
+  have_soft_float=yes
+fi
+
 # Runs configure.host to set up necessary host-dependent shell variables.
 # We then display a message about it, and propagate them through the
 # build chain.
-- 
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