$NetBSD: patch-gcc_config.gcc,v 1.4 2018/11/09 11:22:13 mrg Exp $

Workaround netbsd's compatibility non-C99 cabs (causes gfortran link failures)
netbsd/arm eabi support

use nbsd_tm_file to make sure every netbsd target gets netbsd-stdint.h
(upstreamed)

add arm64 support.

--- gcc/config.gcc.orig	2018-01-08 13:39:11.000000000 +0000
+++ gcc/config.gcc	2018-11-09 09:20:10.688545085 +0000
@@ -781,7 +781,12 @@
   gas=yes
   gnu_ld=yes
   use_gcc_stdint=wrap
+# cabs/cabsf are renamed to __c99_cabs/cabsf
+  tm_p_file="${tm_p_file} netbsd-protos.h"
+  target_gtfiles="${target_gtfiles} \$(srcdir)/config/netbsd.c"
+  extra_objs="${extra_objs} netbsd.o"
 
+  nbsd_tm_file="netbsd.h netbsd-stdint.h netbsd-elf.h"
   # NetBSD 2.0 and later get POSIX threads enabled by default.
   # Allow them to be explicitly enabled on any other version.
   case ${enable_threads} in
@@ -962,6 +967,13 @@
 	tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-freebsd.h"
 	tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-freebsd"
 	;;
+aarch64*-*-netbsd*)
+	tm_file="${tm_file} dbxelf.h elfos.h ${nbsd_tm_file}"
+	tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-netbsd.h"
+	tmake_file="${tmake_file} aarch64/t-aarch64 aarch64/t-aarch64-netbsd"
+	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
+	# XXX big endian
+	;;
 aarch64*-*-linux*)
 	tm_file="${tm_file} dbxelf.h elfos.h gnu-user.h linux.h glibc-stdint.h"
 	tm_file="${tm_file} aarch64/aarch64-elf.h aarch64/aarch64-linux.h"
@@ -1001,7 +1013,7 @@
 	extra_options="${extra_options} alpha/elf.opt"
 	;;
 alpha*-*-netbsd*)
-	tm_file="elfos.h ${tm_file} netbsd.h alpha/elf.h netbsd-elf.h alpha/netbsd.h"
+	tm_file="elfos.h ${tm_file} ${nbsd_tm_file} alpha/elf.h alpha/netbsd.h"
 	tmake_file="${tmake_file} alpha/t-alpha"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt \
 		       alpha/elf.opt"
@@ -1092,10 +1104,37 @@
 	with_tls=${with_tls:-gnu}
 	;;
 arm*-*-netbsdelf*)
-	tm_file="dbxelf.h elfos.h netbsd.h netbsd-elf.h arm/elf.h arm/aout.h ${tm_file} arm/netbsd-elf.h"
-	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
 	tmake_file="${tmake_file} arm/t-arm"
-	target_cpu_cname="arm6"
+	tm_file="dbxelf.h elfos.h ${nbsd_tm_file} arm/elf.h"
+	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
+	case ${target} in
+	arm*eb-*) tm_defines="${tm_defines} TARGET_BIG_ENDIAN_DEFAULT=1" ;;
+	esac
+	case ${target} in
+	arm*-*-netbsdelf-*eabi*)
+	    tm_file="$tm_file arm/bpabi.h arm/netbsd-elf.h arm/netbsd-eabi.h"
+	    tmake_file="$tmake_file arm/t-bpabi arm/t-netbsdeabi"
+	    # The BPABI long long divmod functions return a 128-bit value in
+	    # registers r0-r3.  Correctly modeling that requires the use of
+	    # TImode.
+	    need_64bit_hwint=yes
+	    ;;
+	*)
+	    tm_file="$tm_file arm/netbsd-elf.h"
+	    tmake_file="$tmake_file arm/t-netbsd"
+	    ;;
+	esac
+	tm_file="${tm_file} arm/aout.h arm/arm.h"
+	case ${target} in
+	arm*-*-netbsdelf-*eabihf*)
+	    tm_defines="${tm_defines} TARGET_DEFAULT_FLOAT_ABI=ARM_FLOAT_ABI_HARD"
+	    ;;
+	esac
+	case ${target} in
+	armv4*) target_cpu_cname="strongarm";;
+	armv6*) target_cpu_cname="arm1176jzfs";;
+	armv7*) target_cpu_cname="cortexa8";;
+	esac
 	;;
 arm*-*-linux-*)			# ARM GNU/Linux with ELF
 	tm_file="dbxelf.h elfos.h gnu-user.h linux.h linux-android.h glibc-stdint.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
@@ -1485,12 +1524,14 @@
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/x86-64.h i386/freebsd.h i386/freebsd64.h"
 	;;
 i[34567]86-*-netbsdelf*)
-	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-stdint.h netbsd-elf.h i386/netbsd-elf.h"
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${nbsd_tm_file} i386/netbsd-elf.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
+	tmake_file="${tmake_file} i386/t-crtstuff"
 	;;
 x86_64-*-netbsd*)
-	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h netbsd.h netbsd-stdint.h netbsd-elf.h i386/x86-64.h i386/netbsd64.h"
+	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${nbsd_tm_file} i386/x86-64.h i386/netbsd64.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
+	tmake_file="${tmake_file} i386/t-crtstuff"
 	;;
 i[34567]86-*-openbsd*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h"
@@ -2381,7 +2422,7 @@
 	esac
 	;;
 powerpc-*-netbsd*)
-	tm_file="${tm_file} dbxelf.h elfos.h netbsd.h netbsd-elf.h freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
+	tm_file="${tm_file} dbxelf.h elfos.h ${nbsd_tm_file} freebsd-spec.h rs6000/sysv4.h rs6000/netbsd.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
 	tmake_file="${tmake_file} rs6000/t-netbsd"
 	extra_options="${extra_options} rs6000/sysv4.opt"
@@ -2700,7 +2741,7 @@
 			fi
 			tm_file="${tm_file} gnu-user.h linux.h glibc-stdint.h sh/linux.h" ;;
 	sh*-*-netbsd*)
-			tm_file="${tm_file} netbsd.h netbsd-elf.h sh/netbsd-elf.h"
+			tm_file="${tm_file} ${nbsd_tm_file} sh/netbsd-elf.h"
 			extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
 
 			;;
@@ -2860,7 +2901,7 @@
 	fi
 	;;
 sparc-*-netbsdelf*)
-	tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h netbsd.h netbsd-elf.h sparc/netbsd-elf.h"
+	tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h ${nbsd_tm_file} sparc/netbsd-elf.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
 	extra_options="${extra_options} sparc/long-double-switch.opt"
 	tmake_file="${tmake_file} sparc/t-sparc"
@@ -2908,7 +2949,7 @@
 	;;
 sparc64-*-netbsd*)
 	tm_file="sparc/biarch64.h ${tm_file}"
-	tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h netbsd.h netbsd-elf.h sparc/netbsd-elf.h"
+	tm_file="${tm_file} dbxelf.h elfos.h sparc/sysv4.h ${nbsd_tm_file} sparc/netbsd-elf.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt"
 	extra_options="${extra_options} sparc/long-double-switch.opt"
 	tmake_file="${tmake_file} sparc/t-sparc sparc/t-netbsd64"
@@ -3012,7 +3053,7 @@
 	extra_options="${extra_options} vax/elf.opt"
 	;;
 vax-*-netbsdelf*)
-	tm_file="${tm_file} elfos.h netbsd.h netbsd-elf.h vax/elf.h vax/netbsd-elf.h"
+	tm_file="${tm_file} elfos.h ${nbsd_tm_file} vax/elf.h vax/netbsd-elf.h"
 	extra_options="${extra_options} netbsd.opt netbsd-elf.opt vax/elf.opt"
 	;;
 vax-*-openbsd*)