Merge from transactional-memory branch.

From-SVN: r181154

1 files changed, 131 insertions, 0 deletions

diff --git a/libitm/configure.tgt b/libitm/configure.tgt
new file mode 100644
index 0000000..efc01e0
--- /dev/null
+++ b/libitm/configure.tgt
@@ -0,0 +1,131 @@
+# -*- shell-script -*-
+#   Copyright (C) 2011 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 of the License, or
+# (at your option) any later version.
+# 
+# This program 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 this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  
+
+# This is the target specific configuration file.  This is invoked by the
+# autoconf generated configure script.  Putting it in a separate shell file
+# lets us skip running autoconf when modifying target specific information.
+
+# This file switches on the shell variable ${target}, and sets the
+# following shell variables:
+#  config_path		An ordered list of directories to search for
+#			sources and headers.  This is relative to the
+#			config subdirectory of the source tree.
+#  XCFLAGS		Add extra compile flags to use.
+#  XLDFLAGS		Add extra link flags to use.
+
+# Optimize TLS usage by avoiding the overhead of dynamic allocation.
+if test $gcc_cv_have_tls = yes ; then
+  case "${target}" in
+
+    # For x86, we use slots in the TCB head for most of our TLS.
+    # The setup of those slots in beginTransaction can afford to
+    # use the global-dynamic model.
+    i[456]86-*-linux* | x86_64-*-linux*)
+	;;
+    
+    *-*-linux*)
+	XCFLAGS="${XCFLAGS} -ftls-model=initial-exec"
+	;;
+  esac
+fi
+
+# Map the target cpu to an ARCH sub-directory.  At the same time,
+# work out any special compilation flags as necessary.
+case "${target_cpu}" in
+  alpha*)	ARCH=alpha ;;
+  ia64*)	ARCH=ia64 ;;
+  mips*)	ARCH=mips ;;
+  powerpc*)	ARCH=powerpc ;;
+  s390*)	ARCH=s390 ;;
+
+  i[456]86)
+	case " ${CC} ${CFLAGS} " in
+	  *" -m64 "*)
+	    ;;
+	  *)
+	    if test -z "$with_arch"; then
+	      XCFLAGS="${XCFLAGS} -march=i486 -mtune=${target_cpu}"
+	      XCFLAGS="${XCFLAGS} -fomit-frame-pointer"
+	    fi
+	esac
+	ARCH=x86
+	;;
+
+  x86_64)
+	case " ${CC} ${CFLAGS} " in
+	  *" -m32 "*)
+	    XCFLAGS="${XCFLAGS} -march=i486 -mtune=i686"
+	    XCFLAGS="${XCFLAGS} -fomit-frame-pointer"
+	    ;;
+	esac
+	ARCH=x86
+	;;
+
+  sparcv9 | sparc64)
+	# Note that sparcv7 and sparcv8 is not included here.  We need cas.
+	echo "int i;" > conftestx.c
+	if ${CC} ${CFLAGS} -c -o conftestx.o conftestx.c > /dev/null 2>&1; then
+	  case "`/usr/bin/file conftestx.o`" in
+	    *32-bit*)
+	      case " ${CC} ${CFLAGS}" in
+		*" -mcpu=ultrasparc"*)
+		  ;;
+		*)
+		  XCFLAGS="${XCFLAGS} -mcpu=v9"
+		  ;;
+	      esac
+	      ;;
+	  esac
+	fi
+	rm -f conftestx.c conftestx.o
+	ARCH=sparc
+	;;
+
+  *)
+	ARCH="${target_cpu}"
+	;;
+esac
+  
+# Since we require POSIX threads, assume a POSIX system by default.
+config_path="$ARCH posix generic"
+
+# Other system configury
+case "${target}" in
+  *-*-linux*)
+	if test $enable_linux_futex = yes; then
+	  config_path="linux/$ARCH linux $config_path"
+	fi
+	;;
+
+  *-*-hpux11*)
+	# HPUX v11.x requires -lrt to resolve sem_init in libgomp.la
+	XLDFLAGS="${XLDFLAGS} -lrt"
+	;;
+
+  *-*-mingw32*)
+	config_path="$ARCH mingw32 posix generic"
+	;;
+
+  *-*-solaris2.[56]*)
+	config_path="$ARCH posix95 posix generic"
+	XLDFLAGS="${XLDFLAGS} -lposix4"
+	;;
+
+  *-*-darwin*)
+	config_path="$ARCH bsd posix generic"
+	;;
+esac