# DP: DWARF2 EH unwinding support for AMD x86-64 and x86 KFreeBSD.

Index: b/src/libgcc/config.host
===================================================================
--- a/src/libgcc/config.host
+++ b/src/libgcc/config.host
@@ -590,7 +590,12 @@ i[34567]86-*-linux*)
 	tm_file="${tm_file} i386/elf-lib.h"
 	md_unwind_header=i386/linux-unwind.h
 	;;
-i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
+i[34567]86-*-kfreebsd*-gnu)
+	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
+	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	md_unwind_header=i386/freebsd-unwind.h
+	;;
+i[34567]86-*-knetbsd*-gnu | i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
 	tm_file="${tm_file} i386/elf-lib.h"
@@ -601,7 +606,12 @@ x86_64-*-linux*)
 	tm_file="${tm_file} i386/elf-lib.h"
 	md_unwind_header=i386/linux-unwind.h
 	;;
-x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu)
+x86_64-*-kfreebsd*-gnu)
+	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
+	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
+	md_unwind_header=i386/freebsd-unwind.h
+	;;
+x86_64-*-knetbsd*-gnu)
 	extra_parts="$extra_parts crtprec32.o crtprec64.o crtprec80.o crtfastmath.o"
 	tmake_file="${tmake_file} i386/t-crtpc i386/t-crtfm i386/t-crtstuff t-dfprules"
 	tm_file="${tm_file} i386/elf-lib.h"
--- a/src/libgcc/config/i386/freebsd-unwind.h
+++ a/src/libgcc/config/i386/freebsd-unwind.h
@@ -26,6 +26,8 @@
 /* Do code reading to identify a signal frame, and set the frame
    state data appropriately.  See unwind-dw2.c for the structs. */

+#ifndef inhibit_libc
+
 #include <sys/types.h>
 #include <signal.h>
 #include <sys/ucontext.h>
@@ -171,3 +171,5 @@
   return _URC_NO_REASON;
 }
 #endif /* ifdef __x86_64__  */
+
+#endif /* ifndef inhibit_libc */