Hi, Attached are some minor patches, comments?
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35536
--- origsrc/gcc-4.5.1/libjava/gnu/java/nio/channels/natFileChannelPosix.cc
2007-04-02 20:05:50.000000000 -0500
+++ src/gcc-4.5.1/libjava/gnu/java/nio/channels/natFileChannelPosix.cc
2010-10-27 13:39:34.044718100 -0500
@@ -386,7 +386,7 @@ FileChannelImpl::available (void)
#if defined (FIONREAD)
r = ::ioctl (fd, FIONREAD, &num);
- if (r == -1 && errno == ENOTTY)
+ if (r == -1 && (errno == ENOTTY || errno == EINVAL))
{
// If the ioctl doesn't work, we don't care.
r = 0;
--- origsrc/gcc-4.5.0/gcc/testsuite/gcc.target/i386/pr25993.c 2008-02-26
01:38:34.000000000 +0000
+++ src/gcc-4.5.0/gcc/testsuite/gcc.target/i386/pr25993.c 2010-04-25
16:17:21.703125000 +0100
@@ -1,5 +1,5 @@
/* { dg-do assemble } */
-/* { dg-skip-if "" { "*-*-darwin*" "*-*-mingw*" } { "*" } { "" } } */
+/* { dg-skip-if "" { "*-*-darwin*" "*-*-mingw*" "*-*-cygwin*" } { "*" } { "" }
} */
/* { dg-options "-std=c99 -x assembler-with-cpp" } */
#ifndef __ASSEMBLER__
Accept -pthread and -rdynamic for compatibility with Linux.
Add --large-address-aware, and use --tsaware, only with EXEs.
--- origsrc/gcc-4.7.2/gcc/config.gcc 2012-09-12 04:03:54.000000000 -0500
+++ src/gcc-4.7.2/gcc/config.gcc 2013-03-11 03:41:03.674656700 -0500
@@ -1417,7 +1417,7 @@ i[34567]86-*-cygwin*)
xm_file=i386/xm-cygwin.h
tmake_file="${tmake_file} i386/t-cygming t-slibgcc"
target_gtfiles="\$(srcdir)/config/i386/winnt.c"
- extra_options="${extra_options} i386/cygming.opt"
+ extra_options="${extra_options} i386/cygming.opt i386/cygwin.opt"
extra_objs="winnt.o winnt-stubs.o"
c_target_objs="${c_target_objs} msformat-c.o"
cxx_target_objs="${cxx_target_objs} winnt-cxx.o msformat-c.o"
--- origsrc/gcc-4.7.2/gcc/config/i386/cygwin.h 2012-02-13 15:46:38.000000000
-0600
+++ src/gcc-4.7.2/gcc/config/i386/cygwin.h 2013-03-06 00:13:25.986558800
-0600
@@ -22,7 +22,7 @@ along with GCC; see the file COPYING3.
#define EXTRA_OS_CPP_BUILTINS() /* Nothing. */
#undef CPP_SPEC
-#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} \
+#define CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} %{pthread: } \
-D__CYGWIN32__ -D__CYGWIN__ %{!ansi:-Dunix} -D__unix__ -D__unix \
%{mwin32:-DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ %{!ansi:-DWINNT}} \
%{!nostdinc:%{!mno-win32:-idirafter ../include/w32api%s -idirafter
../../include/w32api%s}}\
@@ -49,11 +49,7 @@ along with GCC; see the file COPYING3.
%{static|static-libgcc:-lgcc -lgcc_eh} \
%{!static: \
%{!static-libgcc: \
- %{!shared: \
- %{!shared-libgcc:-lgcc -lgcc_eh} \
- %{shared-libgcc:-lgcc_s -lgcc} \
- } \
- %{shared:-lgcc_s -lgcc} \
+ -lgcc_s -lgcc \
} \
} "
#else
@@ -72,6 +72,7 @@ along with GCC; see the file COPYING3.
#undef LIB_SPEC
#define LIB_SPEC "\
%{pg:-lgmon} \
+ %{pthread: } \
-lcygwin \
%{mwindows:-lgdi32 -lcomdlg32} \
-ladvapi32 -lshell32 -luser32 -lkernel32"
@@ -115,7 +116,9 @@ along with GCC; see the file COPYING3.
%{shared: --shared} %{mdll:--dll} \
%{static:-Bstatic} %{!static:-Bdynamic} \
%{shared|mdll: --enable-auto-image-base -e __cygwin_dll_entry@12} \
- --dll-search-prefix=cyg -tsaware"
+ --dll-search-prefix=cyg \
+ %{rdynamic: --export-all-symbols} \
+ %{!shared: %{!mdll: --large-address-aware --tsaware}}"
/* Binutils does not handle weak symbols from dlls correctly. For now,
do not use them unnecessarily in gthr-posix.h. */
--- origsrc/gcc-4.7.2/gcc/config/i386/cygwin.opt 1969-12-31
18:00:00.000000000 -0600
+++ src/gcc-4.7.2/gcc/config/i386/cygwin.opt 2013-03-11 03:36:36.556378400
-0500
@@ -0,0 +1,27 @@
+; Cygwin-specific options.
+
+; Copyright (C) 2005, 2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+;
+; This file is part of GCC.
+;
+; GCC 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 3, or (at your option) any later
+; version.
+;
+; GCC 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 GCC; see the file COPYING3. If not see
+; <http://www.gnu.org/licenses/>.
+
+pthread
+Driver
+
+rdynamic
+Driver
+
+; Retain blank line above
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