http://bugs.gentoo.org/192403
http://gcc.gnu.org/PR33417

--- gcc-4.3.1/gcc/config/freebsd-spec.h
+++ gcc-4.3.1/gcc/config/freebsd-spec.h
@@ -56,6 +56,8 @@
 	builtin_assert ("system=unix");					\
 	builtin_assert ("system=bsd");					\
 	builtin_assert ("system=FreeBSD");				\
+	if(!(flag_iso && (c_dialect_cxx () ? cxx_dialect == cxx98 : !flag_isoc99)))	\
+		builtin_define("_LONGLONG");				\
 	FBSD_TARGET_CPU_CPP_BUILTINS();					\
     }									\
   while (0)
--- gcc-4.3.1/gcc/config/t-freebsd-eh
+++ gcc-4.3.1/gcc/config/t-freebsd-eh
@@ -0,0 +1,4 @@
+# Use unwind-dw2-fde-glibc
+LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c \
+  $(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c $(srcdir)/unwind-c.c
+LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
--- gcc-4.3.1/gcc/config.gcc
+++ gcc-4.3.1/gcc/config.gcc
@@ -462,7 +462,7 @@
   # pleases around the provided core setting.
   gas=yes
   gnu_ld=yes
-  extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o"
+  extra_parts="crtbegin.o crtend.o crtbeginS.o crtendS.o crtbeginT.o"
   fbsd_major=`echo ${target} | sed -e 's/.*freebsd//g' | sed -e 's/\..*//g'`
   tm_defines="${tm_defines} FBSD_MAJOR=${fbsd_major}"
   tmake_file="t-slibgcc-elf-ver t-freebsd"
@@ -1116,6 +1116,10 @@
 	;;
 i[34567]86-*-freebsd*)
 	tm_file="${tm_file} i386/unix.h i386/att.h dbxelf.h elfos.h ${fbsd_tm_file} i386/freebsd.h"
+	fbsd_major=`echo ${target} | sed -e 's/.*freebsd//g' | sed -e 's/\..*//g'`
+	if test ${fbsd_major} -ge 7; then
+		tmake_file="${tmake_file} t-freebsd-eh"
+	fi
 	;;
 x86_64-*-freebsd*)
 	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"
--- gcc-4.3.1/gcc/crtstuff.c
+++ gcc-4.3.1/gcc/crtstuff.c
@@ -90,13 +90,15 @@
     && !defined(OBJECT_FORMAT_FLAT) \
     && defined(HAVE_LD_EH_FRAME_HDR) \
     && !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
-    && defined(__GLIBC__) && __GLIBC__ >= 2
+    && ((defined(__GLIBC__) && __GLIBC__ >= 2) \
+    || (defined(__FreeBSD_version) && __FreeBSD_version >= 700022))
 #include <link.h>
 /* uClibc pretends to be glibc 2.2 and DT_CONFIG is defined in its link.h.
    But it doesn't use PT_GNU_EH_FRAME ELF segment currently.  */
 # if !defined(__UCLIBC__) \
-     && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
-     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+     || (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+     || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) \
+     || (__FreeBSD_version >= 700022)
 #  define USE_PT_GNU_EH_FRAME
 # endif
 #endif
--- gcc-4.3.1/gcc/unwind-dw2-fde-glibc.c
+++ gcc-4.3.1/gcc/unwind-dw2-fde-glibc.c
@@ -49,8 +49,9 @@
 #include "gthr.h"
 
 #if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
-    && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
-	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
+    && ((__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG))) \
+    || (__FreeBSD_version >= 700022 ))
 
 #ifndef __RELOC_POINTER
 # define __RELOC_POINTER(ptr, base) ((ptr) + (base))
@@ -66,6 +67,13 @@
 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550)
 #endif
 
+/* Support FreeBSD */
+#ifndef ElfW
+# ifdef __ElfN
+#  define ElfW __ElfN
+# endif
+#endif
+
 struct unw_eh_callback_data
 {
   _Unwind_Ptr pc;