# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
+# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2014
# Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
m4_include([ltversion.m4])
m4_include([lt~obsolete.m4])
m4_include([config/isl.m4])
-m4_include([config/cloog.m4])
AC_INIT(move-if-change)
AC_PREREQ(2.64)
# these library is used by various programs built for the build
# environment
#
-build_libs="build-libiberty"
+build_libs="build-libiberty build-libcpp"
# these tools are built for the build environment
build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
# these libraries are used by various programs built for the host environment
#f
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl cloog libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
# If --enable-gold is used, "gold" may replace "ld".
-host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1"
# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
target-newlib \
target-libgomp \
target-libcilkrts \
+ target-liboffloadmic \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
esac
+AC_ARG_ENABLE(as-accelerator-for,
+[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
+ [build as offload target compiler.
+ Specify offload host triple by ARG])],
+ENABLE_AS_ACCELERATOR_FOR=$enableval,
+ENABLE_AS_ACCELERATOR_FOR=no)
+
+AC_ARG_ENABLE(offload-targets,
+[AS_HELP_STRING([--enable-offload-targets=LIST],
+ [enable offloading to devices from comma-separated LIST of
+ TARGET[=DIR]. Use optional path to find offload target compiler
+ during the build])],
+[
+ if test x"$enable_offload_targets" = x; then
+ AC_MSG_ERROR([no offload targets specified])
+ fi
+], [enable_offload_targets=])
+
# Handle --enable-gold, --enable-ld.
# --disable-gold [--enable-ld]
# Build only ld. Default option.
if test "$is_elf" = "yes"; then
# Check for target supported by gold.
case "${target}" in
- i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* | tilegx*-*-*)
+ i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
+ | aarch64*-*-* | tilegx*-*-*)
configdirs="$configdirs gold"
if test x${ENABLE_GOLD} = xdefault; then
default_ld=gold
noconfigdirs="$noconfigdirs target-libstdc++-v3"
fi]
+# If this is accelerator compiler and its target is intelmic we enable
+# target liboffloadmic by default. If this is compiler with offloading
+# for intelmic we enable host liboffloadmic by default. Otherwise
+# liboffloadmic is disabled by default.
+AC_ARG_ENABLE([liboffloadmic],
+AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
+ [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
+[case "$enableval" in
+ no | host | target)
+ enable_liboffloadmic=$enableval ;;
+ *)
+ AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
+esac],
+[if test "${ENABLE_AS_ACCELERATOR_FOR}" != "no"; then
+ case "${target}" in
+ *-intelmic-* | *-intelmicemul-*)
+ enable_liboffloadmic=target
+ extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
+ ;;
+ *)
+ enable_liboffloadmic=no
+ ;;
+ esac
+else
+ case "${enable_offload_targets}" in
+ *-intelmic-* | *-intelmicemul-*)
+ enable_liboffloadmic=host
+ extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
+ ;;
+ *)
+ enable_liboffloadmic=no
+ ;;
+ esac
+fi])
+AC_SUBST(extra_liboffloadmic_configure_flags)
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
fi
fi
+# Disable liboffloadmic on unsupported systems.
+if test -d ${srcdir}/liboffloadmic; then
+ if test x$enable_liboffloadmic != xno; then
+ AC_MSG_CHECKING([for liboffloadmic support])
+ if (srcdir=${srcdir}/liboffloadmic; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-liboffloadmic"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable libitm on unsupported systems.
if test -d ${srcdir}/libitm; then
if test x$enable_libitm = x; then
;;
*-*-lynxos*)
noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
+ ;;
+esac
+
+# Disable the go frontend on systems where it is known to not work. Please keep
+# this in sync with contrib/config-list.mk.
+case "${target}" in
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+ unsupported_languages="$unsupported_languages go"
+ ;;
esac
# Disable libgo for some systems where it is known to not work.
mips*-*-*)
noconfigdirs="$noconfigdirs gprof"
;;
+ nvptx*-*-*)
+ # nvptx is just a compiler
+ noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
+ ;;
sh-*-* | sh64-*-*)
case "${target}" in
sh*-*-elf)
fi])
AC_SUBST(poststage1_ldflags)
-# GCC GRAPHITE dependences, ISL and CLOOG which in turn requires ISL.
-# Basic setup is inlined here, actual checks are in config/cloog.m4 and
-# config/isl.m4
+# GCC GRAPHITE dependency ISL.
+# Basic setup is inlined here, actual checks are in config/isl.m4
-AC_ARG_WITH(cloog,
- [AS_HELP_STRING(
- [--with-cloog=PATH],
- [Specify prefix directory for the installed CLooG-ISL package.
- Equivalent to --with-cloog-include=PATH/include
- plus --with-cloog-lib=PATH/lib])])
AC_ARG_WITH(isl,
[AS_HELP_STRING(
[--with-isl=PATH],
dnl Only execute fail-action, if ISL has been requested.
ISL_IF_FAILED([
AC_MSG_ERROR([Unable to find a usable ISL. See config.log for details.])])
-
- if test "x$gcc_cv_isl" != "xno"; then
- # Check for CLOOG
- dnl Provide configure switches and initialize clooginc & clooglibs
- dnl with user input.
- CLOOG_INIT_FLAGS
- dnl The versions of CLooG that work for Graphite.
- CLOOG_CHECK_VERSION(0,18,1)
-
- dnl Only execute fail-action, if CLooG has been requested.
- CLOOG_IF_FAILED([
- AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
- fi
fi
-# If the ISL check failed, disable builds of in-tree
-# variants of both ISL and CLooG
+# If the ISL check failed, disable builds of in-tree variant of ISL
if test "x$with_isl" = xno ||
test "x$gcc_cv_isl" = xno; then
- noconfigdirs="$noconfigdirs cloog isl"
+ noconfigdirs="$noconfigdirs isl"
islinc=
- clooginc=
- clooglibs=
-fi
-
-# If the CLooG check failed, disable builds of in-tree
-# variants of CLooG
-if test "x$with_cloog" = xno ||
- test "x$gcc_cv_cloog" = xno; then
- noconfigdirs="$noconfigdirs cloog isl"
- clooginc=
- clooglibs=
fi
AC_SUBST(isllibs)
AC_SUBST(islinc)
-AC_SUBST(clooglibs)
-AC_SUBST(clooginc)
# Check for LTO support.
AC_ARG_ENABLE(lto,
new_enable_languages=,c,
# If LTO is enabled, add the LTO front end.
- extra_host_libiberty_configure_flags=
if test "$enable_lto" = "yes" ; then
case ,${enable_languages}, in
*,lto,*) ;;
esac
if test "${build_lto_plugin}" = "yes" ; then
configdirs="$configdirs lto-plugin"
- extra_host_libiberty_configure_flags=--enable-shared
fi
fi
- AC_SUBST(extra_host_libiberty_configure_flags)
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
;;
esac
-# Disable libcilkrts, libitm, libsanitizer, libvtv if we're not building C++
+# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
case ,${enable_languages}, in
*,c++,*)
# Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
esac
;;
*)
- noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer target-libvtv"
+ noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
;;
esac
esac
fi
+# Sometimes we have special requirements for the host libiberty.
+extra_host_libiberty_configure_flags=
+case " $configdirs " in
+ *" lto-plugin "* | *" libcc1 "*)
+ # When these are to be built as shared libraries, the same applies to
+ # libiberty.
+ extra_host_libiberty_configure_flags=--enable-shared
+ ;;
+esac
+AC_SUBST(extra_host_libiberty_configure_flags)
+
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
changequote([,])
case $lib in
- mpc | mpfr | gmp | isl | cloog)
+ mpc | mpfr | gmp | isl)
# If we're processing --with-$lib, --with-$lib-include or
# --with-$lib-lib, for one of the libs above, and target is
# different from host, don't pass the current argument to any
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
-# desired.
-build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
+# desired. We can't even use the same cache file for all build-side
+# libraries, as they're compiled differently; some with C, some with
+# C++ or with different feature-enabling options.
+build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in