--- /dev/null
+/* Definitions of target machine for GNU compiler. MIPS RISC-OS, 5.0 BSD version.
+ Copyright (C) 1991 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define MIPS_BSD43
+
+#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_BSD43"
+
+#define SYSTEM_INCLUDE_DIR "/bsd43/usr/include"
+
+#define CPP_SPEC "\
+%{.cc: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.cxx: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.C: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.m: -D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
+%{.S: -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{!.S: -D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+
+#define LINK_SPEC "\
+%{G*} \
+%{!mgas: \
+ %{EB} %{!EB: -EB} \
+ %{EL: %e-EL not supported} \
+ %{mips1} %{mips2} %{mips3} %{bestGnum} \
+ %{shared} %{non_shared} %{!shared: %{!non_shared: -non_shared}} \
+ -systype /bsd43/ }"
+
+#define LIB_SPEC "%{p:-lprof1} %{pg:-lprof1} -lc"
+
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt1.o%s crtn.o%s}}"
+
+#define MACHINE_TYPE "RISC-OS BSD Mips"
+
+/* Generate calls to memcpy, etc., not bcopy, etc. */
+#define TARGET_MEM_FUNCTIONS
+
+/* Override defaults for finding the MIPS tools. */
+#define MD_STARTFILE_PREFIX "/bsd43/usr/lib/cmplrs/cc/"
+#define MD_EXEC_PREFIX "/bsd43/usr/lib/cmplrs/cc/"
+
+#include "mips.h"
--- /dev/null
+/* Definitions of target machine for GNU compiler. MIPS RISC-OS 5.0
+ default version.
+ Copyright (C) 1992 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define LINK_SPEC "\
+%{G*} \
+%{!mgas: \
+ %{EB} %{!EB: -EB} \
+ %{EL: %e-EL not supported} \
+ %{mips1} %{mips2} %{mips3} %{bestGnum} \
+ %{shared} %{non_shared} %{!shared: %{!non_shared: -non_shared}}"
+
+#include "mips.h"
--- /dev/null
+/* Definitions of target machine for GNU compiler. MIPS RISC-OS 5.0 System V version.
+ Copyright (C) 1991 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define MIPS_SYSV
+
+#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_SYSV"
+
+#define SYSTEM_INCLUDE_DIR "/sysv/usr/include"
+
+#define CPP_SPEC "\
+%{.cc: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.cxx: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.C: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.m: -D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
+%{.S: -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{!.S: -D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+
+#define LINK_SPEC "\
+%{G*} \
+%{!mgas: \
+ %{EB} %{!EB:-EB} \
+ %{EL: %e-EL not supported} \
+ %{mips1} %{mips2} %{mips3} %{bestGnum} \
+ %{shared} %{non_shared} %{!shared: %{!non_shared: -non_shared}} \
+ -systype /sysv/}"
+
+#define LIB_SPEC "%{p:-lprof1} %{pg:-lprof1} -lc crtn.o%s"
+
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt1.o%s}}"
+
+#define MACHINE_TYPE "RISC-OS System V Mips"
+
+/* Override defaults for finding the MIPS tools. */
+#define MD_STARTFILE_PREFIX "/sysv/usr/lib/cmplrs/cc/"
+#define MD_EXEC_PREFIX "/sysv/usr/lib/cmplrs/cc/"
+
+/* Mips System V doesn't have a getpagesize() function needed by the
+ trampoline code, so use the POSIX sysconf function to get it.
+ This is only done when compiling the trampoline code. */
+
+#ifdef L_trampoline
+#include <sys/param.h>
+#include <unistd.h>
+
+#ifdef _SC_PAGE_SIZE
+#define getpagesize() sysconf(_SC_PAGE_SIZE)
+
+#else /* older rev of OS */
+#define getpagesize() (NBPC)
+#endif /* !_SC_PAGE_SIZE */
+#endif /* L_trampoline */
+
+/* Generate calls to memcpy, etc., not bcopy, etc. */
+#define TARGET_MEM_FUNCTIONS
+
+#include "mips.h"
--- /dev/null
+/* Definitions of target machine for GNU compiler. MIPS RISC-OS 5.0 System V.4 version.
+ Copyright (C) 1992 Free Software Foundation, Inc.
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING. If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#define MIPS_SVR4
+
+#define CPP_PREDEFINES "-Dmips -Dunix -Dhost_mips -DMIPSEB -DR3000 -DSYSTYPE_SVR4"
+
+#define SYSTEM_INCLUDE_DIR "/svr4/usr/include"
+
+#define CPP_SPEC "\
+%{.cc: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.cxx: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.C: -D__LANGUAGE_C_PLUS_PLUS -D_LANGUAGE_C_PLUS_PLUS} \
+%{.m: -D__LANGUAGE_OBJECTIVE_C -D_LANGUAGE_OBJECTIVE_C} \
+%{.S: -D__LANGUAGE_ASSEMBLY -D_LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
+%{!.S: -D__LANGUAGE_C -D_LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
+
+#define LINK_SPEC "\
+%{G*} \
+%{!mgas: \
+ %{EB} %{!EB:-EB} \
+ %{EL: %e-EL not supported} \
+ %{mips1} %{mips2} %{mips3} %{bestGnum} \
+ %{shared} %{non_shared} %{!shared: %{!non_shared: -non_shared}} \
+ -systype /svr4/}"
+
+#define LIB_SPEC "%{p:-lprof1} %{pg:-lprof1} -lc crtn.o%s"
+
+#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt1.o%s}}"
+
+#define MACHINE_TYPE "RISC-OS System V.4 Mips"
+
+/* Override defaults for finding the MIPS tools. */
+#define MD_STARTFILE_PREFIX "/svr4/usr/lib/cmplrs/cc/"
+#define MD_EXEC_PREFIX "/svr4/usr/lib/cmplrs/cc/"
+
+/* Mips System V.4 doesn't have a getpagesize() function needed by the
+ trampoline code, so use the POSIX sysconf function to get it.
+ This is only done when compiling the trampoline code. */
+
+#ifdef L_trampoline
+#include <unistd.h>
+
+#define getpagesize() sysconf(_SC_PAGE_SIZE)
+#endif /* L_trampoline */
+
+/* Use atexit for static constructors/destructors, instead of defining
+ our own exit function. */
+#define HAVE_ATEXIT
+
+/* Generate calls to memcpy, etc., not bcopy, etc. */
+#define TARGET_MEM_FUNCTIONS
+
+#include "mips.h"