configure.host: Define ieee_flags and set it to -mieee for sh.

	* configure.host: Define ieee_flags and set it to -mieee for sh.
	* configure.ac: Set IEEE_FLAGS with ieee_flags.
	* Makefile.am: Add IEEE_FLAGS to AM_CFLAGS.
	* configure: Regenerate.
	* Makefile.in: Regenerate.

From-SVN: r150280

libgfortran/ChangeLog

+2009-07-30  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+	* configure.host: Define ieee_flags and set it to -mieee for sh.
+	* configure.ac: Set IEEE_FLAGS with ieee_flags.
+	* Makefile.am: Add IEEE_FLAGS to AM_CFLAGS.
+	* configure: Regenerate.
+	* Makefile.in: Regenerate.
+
 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	* configure.ac (_AC_ARG_VAR_PRECIOUS): Use m4_rename_force.

libgfortran/Makefile.am

@@ -37,6 +37,10 @@ AM_CFLAGS += -fcx-fortran-rules
 SECTION_FLAGS = @SECTION_FLAGS@
 AM_CFLAGS += $(SECTION_FLAGS)
 
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS = @IEEE_FLAGS@
+AM_CFLAGS += $(IEEE_FLAGS)
+
 gfor_io_src= \
 io/close.c \
 io/file_pos.c \

libgfortran/Makefile.in

@@ -815,7 +815,8 @@ AMDEP_TRUE = @AMDEP_TRUE@
 AMTAR = @AMTAR@
 
 # Fortran rules for complex multiplication and division
-AM_CFLAGS = @AM_CFLAGS@ -fcx-fortran-rules $(SECTION_FLAGS)
+AM_CFLAGS = @AM_CFLAGS@ -fcx-fortran-rules $(SECTION_FLAGS) \
+	$(IEEE_FLAGS)
 AM_FCFLAGS = @AM_FCFLAGS@
 AR = @AR@
 AS = @AS@
@@ -843,6 +844,9 @@ FCFLAGS = @FCFLAGS@
 FGREP = @FGREP@
 FPU_HOST_HEADER = @FPU_HOST_HEADER@
 GREP = @GREP@
+
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS = @IEEE_FLAGS@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@

libgfortran/configure

@@ -457,7 +457,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir onestep_TRUE onestep_FALSE onestep host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT multi_basedir toolexecdir toolexeclibdir CC ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE AM_FCFLAGS AM_CFLAGS CFLAGS LIBGFOR_USE_SYMVER_TRUE LIBGFOR_USE_SYMVER_FALSE SECTION_FLAGS AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB LIBTOOL SED EGREP FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S OBJDUMP ac_ct_OBJDUMP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP CPPFLAGS enable_shared enable_static FC FCFLAGS LDFLAGS ac_ct_FC extra_ldflags_libgfortran FPU_HOST_HEADER LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS build build_cpu build_vendor build_os build_libsubdir build_subdir host_subdir target_subdir onestep_TRUE onestep_FALSE onestep host host_cpu host_vendor host_os target target_cpu target_vendor target_os INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA CYGPATH_W PACKAGE VERSION ACLOCAL AUTOCONF AUTOMAKE AUTOHEADER MAKEINFO install_sh STRIP ac_ct_STRIP INSTALL_STRIP_PROGRAM mkdir_p AWK SET_MAKE am__leading_dot AMTAR am__tar am__untar MAINTAINER_MODE_TRUE MAINTAINER_MODE_FALSE MAINT multi_basedir toolexecdir toolexeclibdir CC ac_ct_CC EXEEXT OBJEXT DEPDIR am__include am__quote AMDEP_TRUE AMDEP_FALSE AMDEPBACKSLASH CCDEPMODE am__fastdepCC_TRUE am__fastdepCC_FALSE AM_FCFLAGS AM_CFLAGS CFLAGS LIBGFOR_USE_SYMVER_TRUE LIBGFOR_USE_SYMVER_FALSE SECTION_FLAGS AS ac_ct_AS AR ac_ct_AR RANLIB ac_ct_RANLIB LIBTOOL SED EGREP FGREP GREP LD DUMPBIN ac_ct_DUMPBIN NM LN_S OBJDUMP ac_ct_OBJDUMP lt_ECHO DSYMUTIL ac_ct_DSYMUTIL NMEDIT ac_ct_NMEDIT LIPO ac_ct_LIPO OTOOL ac_ct_OTOOL OTOOL64 ac_ct_OTOOL64 CPP CPPFLAGS enable_shared enable_static FC FCFLAGS LDFLAGS ac_ct_FC extra_ldflags_libgfortran FPU_HOST_HEADER IEEE_FLAGS LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 ac_pwd=`pwd`
 
@@ -33816,6 +33816,10 @@ echo "$as_me: FPU dependent file will be ${fpu_host}.h" >&6;}
 FPU_HOST_HEADER=config/${fpu_host}.h
 
 
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS="${ieee_flags}"
+
+
 # Check out attribute support.
 
   echo "$as_me:$LINENO: checking whether the target supports hidden visibility" >&5
@@ -35568,6 +35572,7 @@ s,@LDFLAGS@,$LDFLAGS,;t t
 s,@ac_ct_FC@,$ac_ct_FC,;t t
 s,@extra_ldflags_libgfortran@,$extra_ldflags_libgfortran,;t t
 s,@FPU_HOST_HEADER@,$FPU_HOST_HEADER,;t t
+s,@IEEE_FLAGS@,$IEEE_FLAGS,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t
 s,@LTLIBOBJS@,$LTLIBOBJS,;t t
 CEOF

libgfortran/configure.ac

@@ -448,6 +448,10 @@ AC_MSG_NOTICE([FPU dependent file will be ${fpu_host}.h])
 FPU_HOST_HEADER=config/${fpu_host}.h
 AC_SUBST(FPU_HOST_HEADER)
 
+# Some targets require additional compiler options for IEEE compatibility.
+IEEE_FLAGS="${ieee_flags}"
+AC_SUBST(IEEE_FLAGS)
+
 # Check out attribute support.
 LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY
 LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT

libgfortran/configure.host

@@ -38,3 +38,10 @@ fi
 if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then
   fpu_host='fpu-aix'
 fi
+
+# Some targets require additional compiler options for NaN/Inf.
+ieee_flags=
+case "${host_cpu}" in
+  sh*)
+    ieee_flags="-mieee" ;;
+esac