From 9aec288c73dbdfcffb272ef56f8de6dd411f4145 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Sat, 21 Mar 2015 20:52:59 -0400
Subject: finally, add midipix as a gcc target.

signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.
---
 config.sub             | 10 +++++++++-
 configure              |  2 +-
 gcc/config.gcc         | 30 ++++++++++++++++++++++++++++++
 gcc/config.host        |  3 +++
 libgcc/config.host     |  8 +++++++-
 libstdc++-v3/configure |  4 ++++
 6 files changed, 54 insertions(+), 3 deletions(-)

diff --git a/config.sub b/config.sub
index 204218c07..b0e45f3be 100755
--- a/config.sub
+++ b/config.sub
@@ -756,6 +756,14 @@ case $basic_machine in
         microblaze)
 		basic_machine=microblaze-xilinx
 		;;
+	midipix32)
+		basic_machine=i386-pc
+		os=-midipix32
+		;;
+	midipix64)
+		basic_machine=x86_64-pc
+		os=-midipix64
+		;;
 	mingw32)
 		basic_machine=i386-pc
 		os=-mingw32
@@ -1317,7 +1325,7 @@ case $os in
 	      | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \
 	      | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \
 	      | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \
-	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es*)
+	      | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -midipix*)
 	# Remember, each alternative MUST END IN *, to match a version number.
 		;;
 	-qnx*)
diff --git a/configure b/configure
index 266b29dfa..301ddc5f9 100755
--- a/configure
+++ b/configure
@@ -3088,7 +3088,7 @@ fi
 if test x$enable_libgomp = x ; then
     # Enable libgomp by default on hosted POSIX systems.
     case "${target}" in
-    *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+    *-*-linux* | *-*-midipix* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
 	;;
     *-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
 	;;
diff --git a/gcc/config.gcc b/gcc/config.gcc
index 6569afe8a..5b20b7344 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -2793,6 +2793,36 @@ m32c-*-elf*)
 	c_target_objs="m32c-pragma.o"
 	cxx_target_objs="m32c-pragma.o"
  	;;
+*-*-midipix*)
+	native_system_header_dir="/include"
+	local_includedir="/local/include"
+
+	xm_file=
+	tm_file="vxworks-dummy.h i386/biarch64.h i386/i386.h i386/unix.h i386/bsd.h i386/gas.h dbxcoff.h i386/midipix.h glibc-stdint.h"
+
+	xm_defines="HAVE_GAS_ALIGNED_COMM=1 __TARGET_SYMVER_REJECTED=1"
+	tm_defines="HAVE_GAS_ALIGNED_COMM=1 __TARGET_SYMVER_REJECTED=1"
+
+	tmake_file="i386/t-midipix t-slibgcc i386/t-gmm_malloc i386/t-i386 i386/t-fprules-softfp soft-fp/t-softfp"
+
+	target_gtfiles="\$(srcdir)/config/i386/winnt.c \$(srcdir)/config/i386/midipix.c"
+
+	extra_objs="midipix_winnt_common.o midipix_winnt_stubs.o midipix.o"
+	extra_options="fused-madd.opt i386/i386.opt i386/midipix.opt"
+
+	c_target_objs="i386-c.o"
+	cxx_target_objs="i386-c.o midipix_winnt_cxx.o"
+
+	gas=yes
+	gnu_as=yes
+	gnu_ld=yes
+
+	thread_file=posix
+	default_use_cxa_atexit=yes
+
+	use_gcc_tgmath=no
+	use_gcc_stdint=wrap
+	;;
 *)
 	echo "*** Configuration ${target} not supported" 1>&2
 	exit 1
diff --git a/gcc/config.host b/gcc/config.host
index d0342b996..2ff30ca36 100644
--- a/gcc/config.host
+++ b/gcc/config.host
@@ -233,6 +233,9 @@ case ${host} in
     out_host_hook_obj=host-mingw32.o
     host_lto_plugin_soname=liblto_plugin-0.dll
     ;;
+  *-*-midipix*)
+    host_exeext=.exe
+    ;;
   i[34567]86-*-uwin*)
     echo "*** UWIN may not be used as a host platform because"
     echo "*** linking with posix.dll is not allowed by the GNU GPL."
diff --git a/libgcc/config.host b/libgcc/config.host
index 25e949e0f..f77a42120 100644
--- a/libgcc/config.host
+++ b/libgcc/config.host
@@ -334,6 +334,12 @@ i[34567]86-*-cygwin* | i[34567]86-*-mingw*)
 	;;
 x86_64-*-mingw*)
 	;;
+i[34567]86-*-midipix*)
+	tmake_file="${tmake_file} i386/t-midipix"
+	;;
+x86_64-*-midipix*)
+	tmake_file="${tmake_file} i386/t-midipix"
+	;;
 i[34567]86-*-interix3*)
 	;;
 ia64*-*-elf*)
@@ -622,7 +628,7 @@ i[34567]86-*-darwin* | x86_64-*-darwin* | \
 esac
 
 case ${host} in
-i[34567]86-*-linux* | x86_64-*-linux*)
+i[34567]86-*-linux* | x86_64-*-linux* | x86_64-*-midipix*)
 	# Provide backward binary compatibility for 64bit Linux/x86.
 	if test "${host_address}" = 64; then
 		tmake_file="${tmake_file} i386/${host_address}/t-softfp-compat"
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index 3e959e867..551a1d273 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -63479,6 +63479,10 @@ $as_echo "$ac_ld_relro" >&6; }
     $as_echo "#define HAVE_TANHF 1" >>confdefs.h
 
     ;;
+
+  *midipix*)
+    ;;
+
   *)
     as_fn_error "No support for this host/target combination." "$LINENO" 5
    ;;
-- 
cgit v1.2.3