This fixes gfortran on powerpc for me; simply merge what is in base gcc.
Index: Makefile
===================================================================
RCS file: /cvs/ports/lang/gfortran/Makefile,v
retrieving revision 1.24
diff -u -p -r1.24 Makefile
--- Makefile 12 Jan 2014 22:16:02 -0000 1.24
+++ Makefile 18 Jan 2014 13:50:26 -0000
@@ -1,7 +1,6 @@
# $OpenBSD: Makefile,v 1.24 2014/01/12 22:16:02 pascal Exp $
ONLY_FOR_ARCHS = ${GCC4_ARCHS}
-BROKEN-powerpc = Segmentation fault during build
SYSV = 4.2.1
BROKEN-hppa = port not contributed
Index: patches/patch-gcc_config_rs6000_openbsd_h
===================================================================
RCS file: /cvs/ports/lang/gfortran/patches/patch-gcc_config_rs6000_openbsd_h,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 patch-gcc_config_rs6000_openbsd_h
--- patches/patch-gcc_config_rs6000_openbsd_h 10 Oct 2010 17:39:07 -0000
1.1.1.1
+++ patches/patch-gcc_config_rs6000_openbsd_h 18 Jan 2014 13:50:26 -0000
@@ -1,6 +1,6 @@
$OpenBSD: patch-gcc_config_rs6000_openbsd_h,v 1.1.1.1 2010/10/10 17:39:07
steven Exp $
---- gcc/config/rs6000/openbsd.h.orig Sat Jun 9 17:11:08 2007
-+++ gcc/config/rs6000/openbsd.h Sat Jun 9 18:24:52 2007
+--- gcc/config/rs6000/openbsd.h.orig Sat Jan 18 12:17:59 2014
++++ gcc/config/rs6000/openbsd.h Sat Jan 18 13:54:26 2014
@@ -0,0 +1,132 @@
+/* Configuration file for an rs6000 OpenBSD target.
+ Copyright (C) 1999 Free Software Foundation, Inc.
@@ -62,9 +62,6 @@ $OpenBSD: patch-gcc_config_rs6000_openbs
+#undef CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "%(cpp_os_openbsd)"
+
-+#undef LINKER_NAME
-+#define LINKER_NAME "ld"
-+
+#undef LINK_SPEC
+#define LINK_SPEC "%{shared:-shared} \
+ %{!shared: \
@@ -78,6 +75,9 @@ $OpenBSD: patch-gcc_config_rs6000_openbs
+
+#undef STARTFILE_DEFAULT_SPEC
+#define STARTFILE_DEFAULT_SPEC "%(startfile_openbsd)"
++
++#undef CRTSAVRES_DEFAULT_SPEC
++#define CRTSAVRES_DEFAULT_SPEC ""
+
+#undef ENDFILE_DEFAULT_SPEC
+#define ENDFILE_DEFAULT_SPEC "%(endfile_openbsd)"
Index: patches/patch-gcc_config_rs6000_rs6000_c
===================================================================
RCS file: patches/patch-gcc_config_rs6000_rs6000_c
diff -N patches/patch-gcc_config_rs6000_rs6000_c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-gcc_config_rs6000_rs6000_c 18 Jan 2014 13:50:26 -0000
@@ -0,0 +1,35 @@
+$OpenBSD$
+--- gcc/config/rs6000/rs6000.c.orig Sat Jan 18 13:56:24 2014
++++ gcc/config/rs6000/rs6000.c Sat Jan 18 13:56:36 2014
+@@ -13475,17 +13475,22 @@ rs6000_return_addr (int count, rtx frame)
+ don't try to be too clever here. */
+ if (count != 0 || (DEFAULT_ABI != ABI_AIX && flag_pic))
+ {
++ rtx x;
+ cfun->machine->ra_needs_full_frame = 1;
+
+- return
+- gen_rtx_MEM
+- (Pmode,
+- memory_address
+- (Pmode,
+- plus_constant (copy_to_reg
+- (gen_rtx_MEM (Pmode,
+- memory_address (Pmode, frame))),
+- RETURN_ADDRESS_OFFSET)));
++ if (count == 0)
++ {
++ gcc_assert (frame == frame_pointer_rtx);
++ x = arg_pointer_rtx;
++ }
++ else
++ {
++ x = memory_address (Pmode, frame);
++ x = copy_to_reg (gen_rtx_MEM (Pmode, x));
++ }
++
++ x = plus_constant (x, RETURN_ADDRESS_OFFSET);
++ return gen_rtx_MEM (Pmode, memory_address (Pmode, x));
+ }
+
+ cfun->machine->ra_need_lr = 1;
Index: patches/patch-gcc_config_rs6000_sysv4_h
===================================================================
RCS file: patches/patch-gcc_config_rs6000_sysv4_h
diff -N patches/patch-gcc_config_rs6000_sysv4_h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ patches/patch-gcc_config_rs6000_sysv4_h 18 Jan 2014 13:50:26 -0000
@@ -0,0 +1,47 @@
+$OpenBSD$
+--- gcc/config/rs6000/sysv4.h.orig Sat Jan 18 13:57:20 2014
++++ gcc/config/rs6000/sysv4.h Sat Jan 18 13:57:35 2014
+@@ -423,6 +423,7 @@ extern int rs6000_pic_labelno;
+ asm_fprintf (FILE, "%L%s", PREFIX)
+
+ /* Globalizing directive for a label. */
++#undef GLOBAL_ASM_OP
+ #define GLOBAL_ASM_OP "\t.globl "
+
+ /* This says how to output assembler code to declare an
+@@ -787,7 +788,7 @@ extern int fixuplabelno;
+ mcall-linux : crtsavres.o%s %(endfile_linux) ; \
+ mcall-gnu : crtsavres.o%s %(endfile_gnu) ; \
+ mcall-netbsd : crtsavres.o%s %(endfile_netbsd) ; \
+- mcall-openbsd: crtsavres.o%s %(endfile_openbsd) ; \
++ mcall-openbsd: %(endfile_openbsd) ; \
+ : %(crtsavres_default) %(endfile_default) }"
+
+ #define CRTSAVRES_DEFAULT_SPEC "crtsavres.o%s"
+@@ -967,7 +968,7 @@ ncrtn.o%s"
+
+ /* OpenBSD support. */
+ #ifndef LIB_OPENBSD_SPEC
+-#define LIB_OPENBSD_SPEC
"%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}}
%{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
++#define LIB_OPENBSD_SPEC OBSD_LIB_SPEC
+ #endif
+
+ #ifndef STARTFILE_OPENBSD_SPEC
+@@ -990,7 +991,7 @@ ncrtn.o%s"
+ #endif
+
+ #ifndef CPP_OS_OPENBSD_SPEC
+-#define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE}
%{pthread:-D_POSIX_THREADS}"
++#define CPP_OS_OPENBSD_SPEC OBSD_CPP_SPEC
+ #endif
+
+ /* WindISS support. */
+@@ -1126,7 +1127,7 @@ ncrtn.o%s"
+ be stacked, so that invocations of #pragma pack(pop)' will return
+ to the previous value. */
+
+-#define HANDLE_PRAGMA_PACK_PUSH_POP 1
++#define HANDLE_PRAGMA_PACK_PUSH_POP
+
+ /* Select a format to encode pointers in exception handling data. CODE
+ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
Index: patches/patch-gcc_config_rs6000_t-openbsd
===================================================================
RCS file: /cvs/ports/lang/gfortran/patches/patch-gcc_config_rs6000_t-openbsd,v
retrieving revision 1.1.1.1
diff -u -p -r1.1.1.1 patch-gcc_config_rs6000_t-openbsd
--- patches/patch-gcc_config_rs6000_t-openbsd 10 Oct 2010 17:39:07 -0000
1.1.1.1
+++ patches/patch-gcc_config_rs6000_t-openbsd 18 Jan 2014 13:50:26 -0000
@@ -1,13 +1,13 @@
$OpenBSD: patch-gcc_config_rs6000_t-openbsd,v 1.1.1.1 2010/10/10 17:39:07
steven Exp $
---- gcc/config/rs6000/t-openbsd.orig Tue Jun 12 12:23:22 2007
-+++ gcc/config/rs6000/t-openbsd Tue Jun 12 12:18:16 2007
-@@ -0,0 +1,55 @@
+--- gcc/config/rs6000/t-openbsd.orig Sat Jan 18 12:17:59 2014
++++ gcc/config/rs6000/t-openbsd Sat Jan 18 14:33:51 2014
+@@ -0,0 +1,59 @@
+# include t-rs6000 too
+# this is taken from t-ppccomm
+# but crt* removed.
+
+
-+LIB2FUNCS_EXTRA = tramp.S
++LIB2FUNCS_EXTRA = tramp.S darwin-ldouble.c
+
+# This one can't end up in shared libgcc
+LIB2FUNCS_STATIC_EXTRA = eabi.S
@@ -31,6 +31,10 @@ $OpenBSD: patch-gcc_config_rs6000_t-open
+tramp.S: $(srcdir)/config/rs6000/tramp.asm
+ cat $(srcdir)/config/rs6000/tramp.asm > tramp.S
+
++darwin-ldouble.c: $(srcdir)/config/rs6000/darwin-ldouble.c
++ cat $(srcdir)/config/rs6000/darwin-ldouble.c > darwin-ldouble.c
++
++# Switch synonyms
+# Switch synonyms
+MULTILIB_MATCHES_FLOAT = msoft-float=mcpu?401 \
+ msoft-float=mcpu?403 \
