+2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2015-05-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * sjlj.m4: New file.
+
+ 2015-05-04 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
+ * bitfields.m4: Change int to long long, and use bitfields of
+ width 1 instead of 0.
+
+ 2015-05-01 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
+ * bitfields.m4: New file.
+
+ 2015-04-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-mpx.mk: New file.
+
+ 2015-03-25 Uros Bizjak <ubizjak@gmail.com>
+
+ PR bootstrap/65537
+ * bootstrap-lto-noplugin.mk: New build configuration.
+
+ 2014-11-13 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ * target-posix: New file.
+
+ 2014-10-27 Tom Tromey <tromey@redhat.com>
+
+ * gcc-plugin.m4: New file.
+
2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
Sync with GCC
--- /dev/null
+dnl Copyright (C) 2015 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Define HAVE_BITFIELD_TYPE_MATTERS if the type of bitfields effects their
+# alignment.
+
+AC_DEFUN([gt_BITFIELD_TYPE_MATTERS],
+[
+ AC_CACHE_CHECK([if the type of bitfields matters], gt_cv_bitfield_type_matters,
+ [
+ AC_TRY_COMPILE(
+ [struct foo1 { char x; char y:1; char z; };
+struct foo2 { char x; long long int y:1; char z; };
+int foo1test[ sizeof (struct foo1) < sizeof (struct foo2) ? 1 : -1 ]; ],
+ [], gt_cv_bitfield_type_matters=yes, gt_cv_bitfield_type_matters=no)
+ ])
+ if test $gt_cv_bitfield_type_matters = yes; then
+ AC_DEFINE(HAVE_BITFIELD_TYPE_MATTERS, 1,
+ [Define if the type of bitfields effects alignment.])
+ fi
+])
--- /dev/null
+# gcc-plugin.m4 -*- Autoconf -*-
+# Check whether GCC is able to be built with plugin support.
+
+dnl Copyright (C) 2014 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+# Check for plugin support.
+# Respects --enable-plugin.
+# Sets the shell variables enable_plugin and pluginlibs.
+AC_DEFUN([GCC_ENABLE_PLUGINS],
+ [# Check for plugin support
+ AC_ARG_ENABLE(plugin,
+ [AS_HELP_STRING([--enable-plugin], [enable plugin support])],
+ enable_plugin=$enableval,
+ enable_plugin=yes; default_plugin=yes)
+
+ pluginlibs=
+
+ case "${host}" in
+ *-*-darwin*)
+ if test x$build = x$host; then
+ export_sym_check="nm${exeext} -g"
+ elif test x$host = x$target; then
+ export_sym_check="$gcc_cv_nm -g"
+ else
+ export_sym_check=
+ fi
+ ;;
+ *)
+ if test x$build = x$host; then
+ export_sym_check="objdump${exeext} -T"
+ elif test x$host = x$target; then
+ export_sym_check="$gcc_cv_objdump -T"
+ else
+ export_sym_check=
+ fi
+ ;;
+ esac
+
+ if test x"$enable_plugin" = x"yes"; then
+
+ AC_MSG_CHECKING([for exported symbols])
+ if test "x$export_sym_check" != x; then
+ echo "int main() {return 0;} int foobar() {return 0;}" > conftest.c
+ ${CC} ${CFLAGS} ${LDFLAGS} conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+ if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+ : # No need to use a flag
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([yes])
+ AC_MSG_CHECKING([for -rdynamic])
+ ${CC} ${CFLAGS} ${LDFLAGS} -rdynamic conftest.c -o conftest$ac_exeext > /dev/null 2>&1
+ if $export_sym_check conftest$ac_exeext | grep -q foobar > /dev/null; then
+ plugin_rdynamic=yes
+ pluginlibs="-rdynamic"
+ else
+ plugin_rdynamic=no
+ enable_plugin=no
+ fi
+ AC_MSG_RESULT([$plugin_rdynamic])
+ fi
+ else
+ AC_MSG_RESULT([unable to check])
+ fi
+
+ # Check -ldl
+ saved_LIBS="$LIBS"
+ AC_SEARCH_LIBS([dlopen], [dl])
+ if test x"$ac_cv_search_dlopen" = x"-ldl"; then
+ pluginlibs="$pluginlibs -ldl"
+ fi
+ LIBS="$saved_LIBS"
+
+ # Check that we can build shared objects with -fPIC -shared
+ saved_LDFLAGS="$LDFLAGS"
+ saved_CFLAGS="$CFLAGS"
+ case "${host}" in
+ *-*-darwin*)
+ CFLAGS=`echo $CFLAGS | sed s/-mdynamic-no-pic//g`
+ CFLAGS="$CFLAGS -fPIC"
+ LDFLAGS="$LDFLAGS -shared -undefined dynamic_lookup"
+ ;;
+ *)
+ CFLAGS="$CFLAGS -fPIC"
+ LDFLAGS="$LDFLAGS -fPIC -shared"
+ ;;
+ esac
+ AC_MSG_CHECKING([for -fPIC -shared])
+ AC_TRY_LINK(
+ [extern int X;],[return X == 0;],
+ [AC_MSG_RESULT([yes]); have_pic_shared=yes],
+ [AC_MSG_RESULT([no]); have_pic_shared=no])
+ if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
+ pluginlibs=
+ enable_plugin=no
+ fi
+ LDFLAGS="$saved_LDFLAGS"
+ CFLAGS="$saved_CFLAGS"
+
+ # If plugin support had been requested but not available, fail.
+ if test x"$enable_plugin" = x"no" ; then
+ if test x"$default_plugin" != x"yes"; then
+ AC_MSG_ERROR([
+ Building GCC with plugin support requires a host that supports
+ -fPIC, -shared, -ldl and -rdynamic.])
+ fi
+ fi
+ fi
+])
projects / deliverable / binutils-gdb.git / commitdiff
