configure.ac: Remove uwin* cases.

	* configure.ac: Remove uwin* cases.
	* config.build: Remove cases for i370-*-opened*, i370-*-mvs*,
	i[34567]86-*-sco3.2v5*, i[34567]86-sequent-ptx4*,
	i[34567]86-sequent-sysv4*, i[34567]86-*-sysv4*,
	i[34567]86-*-udk*, i[34567]86-*-uwin*, i386-*-vsta.
	* config.host: Remove cases for i370-*-opened*, i370-*-mvs*,
	i[34567]86-*-uwin*, powerpc-*-beos*.

From-SVN: r227077

gcc/ChangeLog

+2015-08-21  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
+
+	* configure.ac: Remove uwin* cases.
+	* config.build: Remove cases for i370-*-opened*, i370-*-mvs*,
+	i[34567]86-*-sco3.2v5*, i[34567]86-sequent-ptx4*,
+	i[34567]86-sequent-sysv4*, i[34567]86-*-sysv4*,
+	i[34567]86-*-udk*, i[34567]86-*-uwin*, i386-*-vsta.
+	* config.host: Remove cases for i370-*-opened*, i370-*-mvs*,
+	i[34567]86-*-uwin*, powerpc-*-beos*.
+
 2015-08-21  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* gencodes.c (gencodes): Print the comma for the preceding

gcc/config.build

@@ -56,10 +56,6 @@ case $build in
   hppa2*-*-hpux11* )
     build_install_headers_dir=install-headers-cpio
     ;;
-  i370-*-opened* | i370-*-mvs* )
-    # IBM 360/370/390 Architecture
-    build_xm_defines='FATAL_EXIT_CODE=12'
-    ;;
   i[34567]86-*-cygwin* | x86_64-*-cygwin* )
     build_xm_file=i386/xm-cygwin.h
     build_exeext=.exe
@@ -77,27 +73,6 @@ case $build in
     build_xm_file=i386/xm-djgpp.h
     build_exeext=.exe
     ;;
-  i[34567]86-*-sco3.2v5*) 
-    # 80386 running SCO Open Server 5
-    build_install_headers_dir=install-headers-cpio
-    ;;
-  i[34567]86-sequent-ptx4* | i[34567]86-sequent-sysv4* )
-    build_install_headers_dir=install-headers-cpio
-    ;;
-  i[34567]86-*-sysv4*) 
-    # Intel x86 running system V r4
-    build_install_headers_dir=install-headers-cpio
-    ;;
-  i[34567]86-*-udk*) 
-    # Intel x86 on SCO UW/OSR5 Dev Kit
-    build_install_headers_dir=install-headers-cpio
-    ;;
-  i[34567]86-*-uwin*)
-    build_exeext=.exe
-    ;;
-  i386-*-vsta) 
-    # Intel 80386's running VSTa kernel
-    ;;
   m68000-hp-hpux* | m68k-hp-hpux*) 
     # HP 9000 series 300
     build_install_headers_dir=install-headers-cpio

gcc/config.host

@@ -213,9 +213,6 @@ case ${host} in
     out_host_hook_obj=host-hpux.o
     host_xmake_file="${host_xmake_file} x-hpux"
     ;;
-  i370-*-opened* | i370-*-mvs* ) # IBM 360/370/390 Architecture
-    host_xm_defines='FATAL_EXIT_CODE=12'
-    ;;
   i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*)
     out_host_hook_obj=host-solaris.o
     host_xmake_file="${host_xmake_file} x-solaris"
@@ -252,18 +249,10 @@ case ${host} in
     out_host_hook_obj=host-mingw32.o
     host_lto_plugin_soname=liblto_plugin-0.dll
     ;;
-  i[34567]86-*-uwin*)
-    echo "*** UWIN may not be used as a host platform because"
-    echo "*** linking with posix.dll is not allowed by the GNU GPL."
-    exit 1
-    ;;
   i[34567]86-*-darwin* | x86_64-*-darwin*)
     out_host_hook_obj="${out_host_hook_obj} host-i386-darwin.o"
     host_xmake_file="${host_xmake_file} i386/x-darwin"
     ;;
-  powerpc-*-beos*)
-    host_can_use_collect2=no
-    ;;
   powerpc-*-darwin*)
     out_host_hook_obj="${out_host_hook_obj} host-ppc-darwin.o"
     host_xmake_file="${host_xmake_file} rs6000/x-darwin"

gcc/configure.ac

@@ -1795,7 +1795,7 @@ AS_HELP_STRING([--enable-win32-registry=KEY],
                 of the registry key])],,)
 
 case $host_os in
-  win32 | pe | cygwin* | mingw32* | uwin*)
+  win32 | pe | cygwin* | mingw32*)
     if test "x$enable_win32_registry" != xno; then
       AC_SEARCH_LIBS(RegOpenKeyExA, advapi32,, [enable_win32_registry=no])
     fi
@@ -2752,7 +2752,7 @@ gcc_GAS_CHECK_FEATURE([cfi sections directive],
 	.cfi_startproc
 	.cfi_endproc],
 [case $target_os in
-  win32 | pe | cygwin* | mingw32* | uwin*)
+  win32 | pe | cygwin* | mingw32*)
     # Need to check that we generated the correct relocation for the
     # .debug_frame section.  This was fixed for binutils 2.21.
     gcc_cv_as_cfi_sections_directive=no