--- config/ChangeLog
+++ config/ChangeLog
@@ -19,6 +19,10 @@
* tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when
cross-compiling.
+2009-06-25 Olivier Hainque <hainque@adacore.com>
+
+ * config/mh-ppc-aix (BOOT_ADAFLAGS): Remove -mminimal-toc.
+
2009-05-26 Rafael Avila de Espindola <espindola@google.com>
* plugins.m4: New.
@@ -39,6 +43,27 @@
"# no Tcl configs found".
(SC_LOAD_TKCONFIG): Similarily for TK_BIN_DIR.
+2009-04-09 Jakub Jelinek <jakub@redhat.com>
+
+ * lead-dot.m4: Change copyright header to refer to version
+ 3 of the GNU General Public License and to point readers at the
+ COPYING3 file and the FSF's license web page.
+ * warnings.m4: Likewise.
+
+2009-02-11 Kai Tietz <kai.tietz@onevision.com>
+
+ * mh-cygwin (LDFLAGS): Add linker option to increase stack limit
+ up to 8MB.
+
+2009-01-23 Jie Zhang <jie.zhang@analog.com>
+
+ * tls.m4 (GCC_CHECK_EMUTLS): Define.
+
+2008-12-21 Andrew Pinski <pinskia@gmail.com>
+
+ PR target/38300
+ * unwind_ipinfo.m4: Darwin before 9 does not have _Unwind_GetIPInfo.
+
2008-11-21 Kai Tietz <kai.tietz@onevision.com>
Fix PR/25502
* tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when
cross-compiling.
+2009-06-25 Olivier Hainque <hainque@adacore.com>
+
+ * config/mh-ppc-aix (BOOT_ADAFLAGS): Remove -mminimal-toc.
+
2009-05-26 Rafael Avila de Espindola <espindola@google.com>
* plugins.m4: New.
"# no Tcl configs found".
(SC_LOAD_TKCONFIG): Similarily for TK_BIN_DIR.
+2009-04-09 Jakub Jelinek <jakub@redhat.com>
+
+ * lead-dot.m4: Change copyright header to refer to version
+ 3 of the GNU General Public License and to point readers at the
+ COPYING3 file and the FSF's license web page.
+ * warnings.m4: Likewise.
+
+2009-02-11 Kai Tietz <kai.tietz@onevision.com>
+
+ * mh-cygwin (LDFLAGS): Add linker option to increase stack limit
+ up to 8MB.
+
+2009-01-23 Jie Zhang <jie.zhang@analog.com>
+
+ * tls.m4 (GCC_CHECK_EMUTLS): Define.
+
+2008-12-21 Andrew Pinski <pinskia@gmail.com>
+
+ PR target/38300
+ * unwind_ipinfo.m4: Darwin before 9 does not have _Unwind_GetIPInfo.
+
2008-11-21 Kai Tietz <kai.tietz@onevision.com>
Fix PR/25502
# -*- Autoconf -*-
-# Copyright (C) 2003 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2009 Free Software Foundation, Inc.
# This program 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 2, or (at your option)
+# the Free Software Foundation; either version 3, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
# serial 1
EXTRA_TARGET_HOST_ALL_MODULES=maybe-all-libtermcap
EXTRA_TARGET_HOST_INSTALL_MODULES=maybe-install-libtermcap
+# Increase stack limit to same as Linux default.
+LDFLAGS += -Wl,--stack,8388608
+
all-gdb: maybe-all-libtermcap
install-gdb: maybe-all-libtermcap
-
-# Compile Ada files with minimal-toc in addition to the default flags (at
-# least -gnatg is required to compile language defined units). The primary
-# focus is gnatlib, so that the library does not use nearly the entire TOC of
-# applications until gnatlib is built as a shared library on AIX. Compiling
-# the compiler with -mminimal-toc does not cause any harm.
-BOOT_ADAFLAGS = -gnatapg -mminimal-toc
+# To prevent the Ada static runtime library from using nearly the entire
+# TOC, we used to compile Ada files with minimal-toc in addition to -gnatg
+# (mandatory to compile language defined units). This incured a performance
+# penalty and is not required with section anchors enabled by default so we
+# don't do it any more.
+BOOT_ADAFLAGS = -gnatapg
BOOT_LDFLAGS = -Wl,-bbigtoc
LDFLAGS = `case $(CC) in *gcc*) echo -Wl,-bbigtoc ;; esac;`
AC_DEFINE(HAVE_CC_TLS, 1,
[Define to 1 if the target assembler supports thread-local storage.])
fi])
+
+dnl Check whether TLS is emulated.
+AC_DEFUN([GCC_CHECK_EMUTLS], [
+ AC_CACHE_CHECK([whether the thread-local storage support is from emutls],
+ gcc_cv_use_emutls, [
+ gcc_cv_use_emutls=no
+ echo '__thread int a; int b; int main() { return a = b; }' > conftest.c
+ if AC_TRY_COMMAND(${CC-cc} -Werror -S -o conftest.s conftest.c 1>&AS_MESSAGE_LOG_FD); then
+ if grep __emutls_get_address conftest.s > /dev/null; then
+ gcc_cv_use_emutls=yes
+ fi
+ fi
+ rm -f conftest.*
+ ])
+ if test "$gcc_cv_use_emutls" = "yes" ; then
+ AC_DEFINE(USE_EMUTLS, 1,
+ [Define to 1 if the target use emutls for thread-local storage.])
+ fi])
*) have_unwind_getipinfo=yes ;;
esac
else
- have_unwind_getipinfo=yes
+ # Darwin before version 9 does not have _Unwind_GetIPInfo.
+ changequote(,)
+ case ${target} in
+ *-*-darwin[3-8]|*-*-darwin[3-8].*) have_unwind_getipinfo=no ;;
+ *) have_unwind_getipinfo=yes ;;
+ esac
+ changequote([,])
fi
if test x$have_unwind_getipinfo = xyes; then
# Autoconf include file defining macros related to compile-time warnings.
-# Copyright 2004, 2005, 2007 Free Software Foundation, Inc.
+# Copyright 2004, 2005, 2007, 2009 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 2, or (at your option) any later
+#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
#for more details.
#You should have received a copy of the GNU General Public License
-#along with GCC; see the file COPYING. If not, write to the Free
-#Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-#02110-1301, USA.
+#along with GCC; see the file COPYING3. If not see
+#<http://www.gnu.org/licenses/>.
# ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS)
# Sets @VARIABLE@ to the subset of the given options which the
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