Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 746 insertions, 0 deletions

diff --git a/gcc-4.9/config/acinclude.m4 b/gcc-4.9/config/acinclude.m4
new file mode 100644
index 000000000..8242b2c7a
--- /dev/null
+++ b/gcc-4.9/config/acinclude.m4
@@ -0,0 +1,746 @@
+dnl This file is included into all any other acinclude file that needs
+dnl to use these macros.
+
+dnl This is copied from autoconf 2.12, but does calls our own AC_PROG_CC_WORKS,
+dnl and doesn't call AC_PROG_CXX_GNU, cause we test for that in  AC_PROG_CC_WORKS.
+dnl We are probably using a cross compiler, which will not be able to fully
+dnl link an executable.  This should really be fixed in autoconf itself.
+dnl Find a working G++ cross compiler. This only works for the GNU C++ compiler.
+AC_DEFUN([CYG_AC_PROG_CXX_CROSS],
+[AC_BEFORE([$0], [AC_PROG_CXXCPP])
+AC_CHECK_PROGS(CXX, $CCC c++ g++ gcc CC cxx cc++, gcc)
+
+CYG_AC_PROG_GXX_WORKS
+
+if test $ac_cv_prog_gxx = yes; then
+  GXX=yes
+dnl Check whether -g works, even if CXXFLAGS is set, in case the package
+dnl plays around with CXXFLAGS (such as to build both debugging and
+dnl normal versions of a library), tasteless as that idea is.
+  ac_test_CXXFLAGS="${CXXFLAGS+set}"
+  ac_save_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS=
+  AC_PROG_CXX_G
+  if test "$ac_test_CXXFLAGS" = set; then
+    CXXFLAGS="$ac_save_CXXFLAGS"
+  elif test $ac_cv_prog_cxx_g = yes; then
+    CXXFLAGS="-g -O2"
+  else
+    CXXFLAGS="-O2"
+  fi
+else
+  GXX=
+  test "${CXXFLAGS+set}" = set || CXXFLAGS="-g"
+fi
+])
+
+dnl See if the G++ compiler we found works.
+AC_DEFUN([CYG_AC_PROG_GXX_WORKS],
+[AC_MSG_CHECKING([whether the G++ compiler ($CXX $CXXFLAGS $LDFLAGS) actually works])
+AC_LANG_SAVE
+AC_LANG_CPLUSPLUS
+dnl Try a test case. We only compile, because it's close to impossible
+dnl to get a correct fully linked executable with a cross compiler. For
+dnl most cross compilers, this test is bogus. For G++, we can use various
+dnl other compile line options to get a decent idea that the cross compiler
+dnl actually does work, even though we can't produce an executable without
+dnl more info about the target it's being compiled for. This only works
+dnl for the GNU C++ compiler.
+
+dnl Transform the name of the compiler to it's cross variant, unless
+dnl CXX is set. This is also what CXX gets set to in the generated
+dnl Makefile.
+if test x"${CXX}" = xc++ ; then
+    CXX=`echo gcc | sed -e "${program_transform_name}"`
+fi
+
+dnl Get G++'s full path to libgcc.a
+libgccpath=`${CXX} --print-libgcc`
+
+dnl If we don't have a path with libgcc.a on the end, this isn't G++.
+if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
+   ac_cv_prog_gxx=yes
+else
+   ac_cv_prog_gxx=no
+fi
+
+dnl If we are using G++, look for the files that need to exist if this
+dnl compiler works.
+if test x"${ac_cv_prog_gxx}" = xyes ; then
+    gccfiles=`echo $libgccpath | sed -e 's:/libgcc.a::'`
+    if test -f ${gccfiles}/specs -a -f ${gccfiles}/cpp -a -f ${gccfiles}/cc1plus; then
+	gccfiles=yes
+    else
+	gccfiles=no
+    fi
+    gcclibs=`echo $libgccpath | sed -e 's:lib/gcc-lib/::' -e 's:/libgcc.a::' -e 's,\(.*\)/.*,\1,g'`/lib
+    if test -d ${gcclibs}/ldscripts -a -f ${gcclibs}/libc.a -a -f ${gcclibs}/libstdc++.a ; then
+	gcclibs=yes
+    else
+	gcclibs=no
+    fi
+fi
+
+dnl If everything is OK, then we can safely assume the compiler works.
+if test x"${gccfiles}" = xno -o x"${gcclibs}" = xno; then
+    ac_cv_prog_cxx_works=no
+    AC_MSG_ERROR(${CXX} is a non-working cross compiler)
+else
+   ac_cv_prog_cxx_works=yes 
+fi
+
+AC_LANG_RESTORE
+AC_MSG_RESULT($ac_cv_prog_cxx_works)
+if test x"$ac_cv_prog_cxx_works" = xno; then
+  AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.])
+fi
+AC_MSG_CHECKING([whether the G++ compiler ($CXX $CXXFLAGS $LDFLAGS) is a cross-compiler])
+AC_MSG_RESULT($ac_cv_prog_cxx_cross)
+cross_compiling=$ac_cv_prog_cxx_cross
+AC_SUBST(CXX)
+])
+
+dnl ====================================================================
+dnl Find a working GCC cross compiler. This only works for the GNU gcc compiler.
+dnl This is based on the macros above for G++.
+AC_DEFUN([CYG_AC_PROG_CC_CROSS],
+[AC_BEFORE([$0], [AC_PROG_CCPP])
+AC_CHECK_PROGS(CC, cc, gcc)
+
+CYG_AC_PROG_GCC_WORKS
+
+if test $ac_cv_prog_gcc = yes; then
+  GCC=yes
+dnl Check whether -g works, even if CFLAGS is set, in case the package
+dnl plays around with CFLAGS (such as to build both debugging and
+dnl normal versions of a library), tasteless as that idea is.
+  ac_test_CFLAGS="${CFLAGS+set}"
+  ac_save_CFLAGS="$CFLAGS"
+  CFLAGS=
+  AC_PROG_CC_G
+  if test "$ac_test_CFLAGS" = set; then
+    CFLAGS="$ac_save_CFLAGS"
+  elif test $ac_cv_prog_cc_g = yes; then
+    CFLAGS="-g -O2"
+  else
+    CFLAGS="-O2"
+  fi
+else
+  GXX=
+  test "${CFLAGS+set}" = set || CFLAGS="-g"
+fi
+])
+
+dnl See if the GCC compiler we found works.
+AC_DEFUN([CYG_AC_PROG_GCC_WORKS],
+[AC_MSG_CHECKING([whether the Gcc compiler ($CC $CFLAGS $LDFLAGS) actually works])
+AC_LANG_SAVE
+AC_LANG_C
+dnl Try a test case. We only compile, because it's close to impossible
+dnl to get a correct fully linked executable with a cross
+dnl compiler. For most cross compilers, this test is bogus. For G++,
+dnl we can use various other compile line options to get a decent idea
+dnl that the cross compiler actually does work, even though we can't
+dnl produce an executable without more info about the target it's
+dnl being compiled for. This only works for the GNU C++ compiler.
+
+dnl Transform the name of the compiler to it's cross variant, unless
+dnl CXX is set. This is also what CC gets set to in the generated Makefile.
+if test x"${CC}" = xcc ; then
+    CC=`echo gcc | sed -e "${program_transform_name}"`
+fi
+
+dnl Get Gcc's full path to libgcc.a
+libgccpath=`${CC} --print-libgcc`
+
+dnl If we don't have a path with libgcc.a on the end, this isn't G++.
+if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
+   ac_cv_prog_gcc=yes
+else
+   ac_cv_prog_gcc=no
+fi
+
+dnl If we are using Gcc, look for the files that need to exist if this
+dnl compiler works.
+if test x"${ac_cv_prog_gcc}" = xyes ; then
+    gccfiles=`echo $libgccpath | sed -e 's:/libgcc.a::'`
+    if test -f ${gccfiles}/specs -a -f ${gccfiles}/cpp -a -f ${gccfiles}/cc1plus; then
+	gccfiles=yes
+    else
+	gccfiles=no
+    fi
+    gcclibs=`echo $libgccpath | sed -e 's:lib/gcc-lib/::' -e 's:/libgcc.a::' -e 's,\(.*\)/.*,\1,g'`/lib
+    if test -d ${gcclibs}/ldscripts -a -f ${gcclibs}/libc.a -a -f ${gcclibs}/libstdc++.a ; then
+	gcclibs=yes
+    else
+	gcclibs=no
+    fi
+fi
+
+dnl If everything is OK, then we can safely assume the compiler works.
+if test x"${gccfiles}" = xno -o x"${gcclibs}" = xno; then
+    ac_cv_prog_cc_works=no
+    AC_MSG_ERROR(${CC} is a non-working cross compiler)    
+else
+    ac_cv_prog_cc_works=yes
+fi
+
+AC_LANG_RESTORE
+AC_MSG_RESULT($ac_cv_prog_cc_works)
+if test x"$ac_cv_prog_cc_works" = xno; then
+  AC_MSG_ERROR([installation or configuration problem: C++ compiler cannot create executables.])
+fi
+AC_MSG_CHECKING([whether the Gcc compiler ($CC $CFLAGS $LDFLAGS) is a cross-compiler])
+AC_MSG_RESULT($ac_cv_prog_cc_cross)
+cross_compiling=$ac_cv_prog_cc_cross
+AC_SUBST(CC)
+])
+
+dnl ====================================================================
+dnl Find the BFD library in the build tree. This is used to access and
+dnl manipulate object or executable files.
+AC_DEFUN([CYG_AC_PATH_BFD], [
+AC_MSG_CHECKING(for the bfd header in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+dnl Look for the header file
+AC_CACHE_VAL(ac_cv_c_bfdh,[
+for i in $dirlist; do
+    if test -f "$i/bfd/bfd.h" ; then
+	ac_cv_c_bfdh=`(cd $i/bfd; ${PWDCMD-pwd})`
+	break
+    fi
+done
+])
+if test x"${ac_cv_c_bfdh}" != x; then
+    BFDHDIR="-I${ac_cv_c_bfdh}"
+    AC_MSG_RESULT(${ac_cv_c_bfdh})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(BFDHDIR)
+
+dnl Look for the library
+AC_MSG_CHECKING(for the bfd library in the build tree)
+AC_CACHE_VAL(ac_cv_c_bfdlib,[
+for i in $dirlist; do
+    if test -f "$i/bfd/Makefile" ; then
+	ac_cv_c_bfdlib=`(cd $i/bfd; ${PWDCMD-pwd})`
+    fi
+done
+])
+dnl We list two directories cause bfd now uses libtool
+if test x"${ac_cv_c_bfdlib}" != x; then
+    BFDLIB="-L${ac_cv_c_bfdlib} -L${ac_cv_c_bfdlib}/.libs"
+    AC_MSG_RESULT(${ac_cv_c_bfdlib})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(BFDLIB)
+])
+
+dnl ====================================================================
+dnl Find the libiberty library. This defines many commonly used C
+dnl functions that exists in various states based on the underlying OS.
+AC_DEFUN([CYG_AC_PATH_LIBERTY], [
+AC_MSG_CHECKING(for the liberty library in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_liberty,[
+for i in $dirlist; do
+    if test -f "$i/libiberty/Makefile" ; then
+	ac_cv_c_liberty=`(cd $i/libiberty; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_liberty}" != x; then
+    LIBERTY="-L${ac_cv_c_liberty}"
+    AC_MSG_RESULT(${ac_cv_c_liberty})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(LIBERTY)
+])
+
+dnl ====================================================================
+dnl Find the opcodes library. This is used to do dissasemblies.
+AC_DEFUN([CYG_AC_PATH_OPCODES], [
+AC_MSG_CHECKING(for the opcodes library in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_opc,[
+for i in $dirlist; do
+    if test -f "$i/opcodes/Makefile" ; then
+	ac_cv_c_opc=`(cd $i/opcodes; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_opc}" != x; then
+    OPCODESLIB="-L${ac_cv_c_opc}"
+    AC_MSG_RESULT(${ac_cv_c_opc})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(OPCODESLIB)
+])
+
+dnl ====================================================================
+dnl Look for the DejaGnu header file in the source tree. This file
+dnl defines the functions used to testing support.
+AC_DEFUN([CYG_AC_PATH_DEJAGNU], [
+AC_MSG_CHECKING(for the testing support files in the source tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_dejagnu,[
+for i in $dirlist; do
+    if test -f "$srcdir/$i/ecc/ecc/infra/testlib/current/include/dejagnu.h" ; then
+	ac_cv_c_dejagnu=`(cd $srcdir/$i/ecc/ecc/infra/testlib/current/include; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_dejagnu}" != x; then
+    DEJAGNUHDIR="-I${ac_cv_c_dejagnu}"
+    AC_MSG_RESULT(${ac_cv_c_dejagnu})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_CACHE_VAL(ac_cv_c_dejagnulib,[
+for i in $dirlist; do
+    if test -f "$srcdir/$i/infra/testlib/current/lib/hostutil.exp" ; then
+	ac_cv_c_dejagnulib=`(cd $srcdir/$i/infra/testlib/current/lib; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_dejagnulib}" != x; then
+    DEJAGNULIB="${ac_cv_c_dejagnulib}"
+else
+    DEJAGNULIB=""
+fi
+AC_MSG_CHECKING(for runtest in the source tree)
+AC_CACHE_VAL(ac_cv_c_runtest,[
+for i in $dirlist; do
+    if test -f "$srcdir/$i/dejagnu/runtest" ; then
+	ac_cv_c_runtest=`(cd $srcdir/$i/dejagnu; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_runtest}" != x; then
+    RUNTESTDIR="${ac_cv_c_runtest}"
+   AC_MSG_RESULT(${ac_cv_c_runtest})
+else
+    RUNTESTDIR=""
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(RUNTESTDIR)
+AC_SUBST(DEJAGNULIB)
+AC_SUBST(DEJAGNUHDIR)
+])
+
+dnl ====================================================================
+dnl Find the libintl library in the build tree. This is for
+dnl  internationalization support.
+AC_DEFUN([CYG_AC_PATH_INTL], [
+AC_MSG_CHECKING(for the intl header in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+dnl Look for the header file
+AC_CACHE_VAL(ac_cv_c_intlh,[
+for i in $dirlist; do
+    if test -f "$i/intl/libintl.h" ; then
+	ac_cv_c_intlh=`(cd $i/intl; ${PWDCMD-pwd})`
+	break
+    fi
+done
+])
+if test x"${ac_cv_c_intlh}" != x; then
+    INTLHDIR="-I${ac_cv_c_intlh}"
+    AC_MSG_RESULT(${ac_cv_c_intlh})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(INTLHDIR)
+
+dnl Look for the library
+AC_MSG_CHECKING(for the libintl library in the build tree)
+AC_CACHE_VAL(ac_cv_c_intllib,[
+for i in $dirlist; do
+    if test -f "$i/intl/Makefile" ; then
+	ac_cv_c_intllib=`(cd $i/intl; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_intllib}" != x; then
+    INTLLIB="-L${ac_cv_c_intllib} -lintl"
+    AC_MSG_RESULT(${ac_cv_c_intllib})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(INTLLIB)
+])
+
+dnl ====================================================================
+dnl Find the simulator library.
+AC_DEFUN([CYG_AC_PATH_SIM], [
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.. ../../../../../../../../../.."
+case "$target_cpu" in
+    powerpc)	target_dir=ppc ;;
+    sparc*)	target_dir=erc32 ;;
+    mips*)	target_dir=mips ;;
+    *)		target_dir=$target_cpu ;;
+esac
+dnl First look for the header file
+AC_MSG_CHECKING(for the simulator header file)
+AC_CACHE_VAL(ac_cv_c_simh,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/include/remote-sim.h" ; then
+	ac_cv_c_simh=`(cd ${srcdir}/$i/include; ${PWDCMD-pwd})`
+	break
+    fi
+done
+])
+if test x"${ac_cv_c_simh}" != x; then
+    SIMHDIR="-I${ac_cv_c_simh}"
+    AC_MSG_RESULT(${ac_cv_c_simh})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(SIMHDIR)
+
+dnl See whether it's a devo or Foundry branch simulator
+AC_MSG_CHECKING(Whether this is a devo simulator )
+AC_CACHE_VAL(ac_cv_c_simdevo,[
+    CPPFLAGS="$CPPFLAGS $SIMHDIR"
+    AC_EGREP_HEADER([SIM_DESC sim_open.*struct _bfd], remote-sim.h,
+        ac_cv_c_simdevo=yes,
+        ac_cv_c_simdevo=no)
+])
+if test x"$ac_cv_c_simdevo" = x"yes" ; then
+    AC_DEFINE(HAVE_DEVO_SIM)
+fi
+AC_MSG_RESULT(${ac_cv_c_simdevo})
+AC_SUBST(HAVE_DEVO_SIM)
+
+dnl Next look for the library
+AC_MSG_CHECKING(for the simulator library)
+AC_CACHE_VAL(ac_cv_c_simlib,[
+for i in $dirlist; do
+    if test -f "$i/sim/$target_dir/Makefile" ; then
+	ac_cv_c_simlib=`(cd $i/sim/$target_dir; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_simlib}" != x; then
+    SIMLIB="-L${ac_cv_c_simlib}"
+else
+    AC_MSG_RESULT(none)
+    dnl FIXME: this is kinda bogus, cause umtimately the TM will build
+    dnl all the libraries for several architectures. But for now, this
+    dnl will work till then.
+dnl     AC_MSG_CHECKING(for the simulator installed with the compiler libraries)
+    dnl Transform the name of the compiler to it's cross variant, unless
+    dnl CXX is set. This is also what CXX gets set to in the generated
+    dnl Makefile.
+    CROSS_GCC=`echo gcc | sed -e "s/^/$target/"`
+
+    dnl Get G++'s full path to libgcc.a
+changequote(,)
+    gccpath=`${CROSS_GCC} --print-libgcc | sed -e 's:[a-z0-9A-Z\.\-]*/libgcc.a::' -e 's:lib/gcc-lib/::'`lib
+changequote([,])
+    if test -f $gccpath/libsim.a -o -f $gccpath/libsim.so ; then
+        ac_cv_c_simlib="$gccpath/"
+        SIMLIB="-L${ac_cv_c_simlib}"
+	AC_MSG_RESULT(${ac_cv_c_simlib})
+    else
+        AM_CONDITIONAL(PSIM, test x$psim = xno)
+	SIMLIB=""
+	AC_MSG_RESULT(none)
+dnl         ac_cv_c_simlib=none
+    fi
+fi
+AC_SUBST(SIMLIB)
+])
+
+dnl ====================================================================
+dnl Find the libiberty library.
+AC_DEFUN([CYG_AC_PATH_LIBIBERTY], [
+AC_MSG_CHECKING(for the libiberty library in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_libib,[
+for i in $dirlist; do
+    if test -f "$i/libiberty/Makefile" ; then
+	ac_cv_c_libib=`(cd $i/libiberty/; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_libib}" != x; then
+    LIBIBERTY="-L${ac_cv_c_libib}"
+    AC_MSG_RESULT(${ac_cv_c_libib})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(LIBIBERTY)
+])
+
+dnl ====================================================================
+AC_DEFUN([CYG_AC_PATH_DEVO], [
+AC_MSG_CHECKING(for devo headers in the source tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_devoh,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/include/remote-sim.h" ; then
+	ac_cv_c_devoh=`(cd ${srcdir}/$i/include; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_devoh}" != x; then
+    DEVOHDIR="-I${ac_cv_c_devoh}"
+    AC_MSG_RESULT(${ac_cv_c_devoh})
+else
+    AC_MSG_RESULT(none)
+fi
+AC_SUBST(DEVOHDIR)
+])
+
+dnl ====================================================================
+dnl Find all the ILU headers and libraries
+AC_DEFUN([CYG_AC_PATH_ILU], [
+AC_MSG_CHECKING(for ILU kernel headers in the source tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_iluh,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/ilu/runtime/kernel/method.h" ; then
+	ac_cv_c_iluh=`(cd ${srcdir}/$i/ilu/runtime/kernel; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_iluh}" != x; then
+    ILUHDIR="-I${ac_cv_c_iluh}"
+    AC_MSG_RESULT(${ac_cv_c_iluh})
+else
+    AC_MSG_RESULT(none)
+fi
+
+AC_MSG_CHECKING(for ILU kernel headers in the build tree)
+dirlist=".. ../../ ../../../ ../../../../ ../../../../../ ../../../../../../ ../../../../../../.. ../../../../../../../.. ../../../../../../../../.. ../../../../../../../../../.."
+AC_CACHE_VAL(ac_cv_c_iluh5,[
+for i in $dirlist; do
+    if test -f "$i/ilu/runtime/kernel/iluconf.h" ; then
+	ac_cv_c_iluh5=`(cd $i/ilu/runtime/kernel; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_iluh5}" != x; then
+    ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh5}"
+    AC_MSG_RESULT(${ac_cv_c_iluh5})
+else
+    AC_MSG_RESULT(none)
+fi
+
+AC_MSG_CHECKING(for ILU C++ headers in the source tree)
+AC_CACHE_VAL(ac_cv_c_iluh2,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/ilu/stubbers/cpp/resource.h" ; then
+	ac_cv_c_iluh2=`(cd ${srcdir}/$i/ilu/stubbers/cpp; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_iluh2}" != x; then
+    ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh2}"
+    AC_MSG_RESULT(${ac_cv_c_iluh2})
+else
+    AC_MSG_RESULT(none)
+fi
+
+AC_MSG_CHECKING(for ILU C headers)
+AC_CACHE_VAL(ac_cv_c_iluh3,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/ilu/stubbers/c/resource.h" ; then
+	ac_cv_c_iluh3=`(cd ${srcdir}/$i/ilu/stubbers/c  ; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_iluh3}" != x; then
+    ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh3}"
+    AC_MSG_RESULT(${ac_cv_c_iluh3})
+else
+    AC_MSG_RESULT(none)
+fi
+
+AC_MSG_CHECKING(for ILU C runtime headers)
+AC_CACHE_VAL(ac_cv_c_iluh4,[
+for i in $dirlist; do
+    if test -f "${srcdir}/$i/ilu/runtime/c/ilucstub.h" ; then
+	ac_cv_c_iluh4=`(cd ${srcdir}/$i/ilu/runtime/c  ; ${PWDCMD-pwd})`
+    fi
+done
+])
+if test x"${ac_cv_c_iluh4}" != x; then
+    ILUHDIR="${ILUHDIR} -I${ac_cv_c_iluh4}"
+    AC_MSG_RESULT(${ac_cv_c_iluh4})
+else
+    AC_MSG_RESULT(none)
+fi
+
+AC_CACHE_VAL(ac_cv_c_ilupath,[
+for i in $dirlist; do
+    if test -f "$i/ilu/Makefile" ; then
+	ac_cv_c_ilupath=`(cd $i/ilu; ${PWDCMD-pwd})`
+	break
+    fi
+done
+])
+ILUTOP=${ac_cv_c_ilupath}
+
+AC_MSG_CHECKING(for the ILU library in the build tree)
+AC_CACHE_VAL(ac_cv_c_ilulib,[
+if test -f "$ac_cv_c_ilupath/runtime/kernel/Makefile" ; then
+    ac_cv_c_ilulib=`(cd $ac_cv_c_ilupath/runtime/kernel; ${PWDCMD-pwd})`
+    AC_MSG_RESULT(found ${ac_cv_c_ilulib}/libilu.a)
+else
+    AC_MSG_RESULT(no)
+fi])
+   
+AC_MSG_CHECKING(for the ILU C++ bindings library in the build tree)
+AC_CACHE_VAL(ac_cv_c_ilulib2,[
+if test -f "$ac_cv_c_ilupath/runtime/cpp/Makefile" ; then
+    ac_cv_c_ilulib2=`(cd $ac_cv_c_ilupath/runtime/cpp; ${PWDCMD-pwd})`
+    AC_MSG_RESULT(found ${ac_cv_c_ilulib2}/libilu-c++.a)
+else
+    AC_MSG_RESULT(no)
+fi])
+
+AC_MSG_CHECKING(for the ILU C bindings library in the build tree)
+AC_CACHE_VAL(ac_cv_c_ilulib3,[
+if test -f "$ac_cv_c_ilupath/runtime/c/Makefile" ; then
+    ac_cv_c_ilulib3=`(cd $ac_cv_c_ilupath/runtime/c; ${PWDCMD-pwd})`
+    AC_MSG_RESULT(found ${ac_cv_c_ilulib3}/libilu-c.a)
+else
+    AC_MSG_RESULT(no)
+fi])
+
+AC_MSG_CHECKING(for the ILU Tk bindings library in the build tree)
+AC_CACHE_VAL(ac_cv_c_ilulib4,[
+if test -f "$ac_cv_c_ilupath/runtime/mainloop/Makefile" ; then
+    ac_cv_c_ilulib4=`(cd $ac_cv_c_ilupath/runtime/mainloop; ${PWDCMD-pwd})`
+    AC_MSG_RESULT(found ${ac_cv_c_ilulib4}/libilu-tk.a)
+else
+    AC_MSG_RESULT(no)
+fi])
+
+if test x"${ac_cv_c_ilulib}" = x -a x"${ac_cv_c_ilulib2}" = x; then
+  ILUHDIR=""
+fi
+
+if test x"${ac_cv_c_ilulib}" != x -a x"${ac_cv_c_ilulib2}" != x; then
+    ILULIB="-L${ac_cv_c_ilulib} -L${ac_cv_c_ilulib2} -L${ac_cv_c_ilulib3} -L${ac_cv_c_ilulib4}"
+else
+    ILULIB=""
+fi
+
+if test x"${ILULIB}" = x; then
+    AC_MSG_CHECKING(for ILU libraries installed with the compiler)
+    AC_CACHE_VAL(ac_cv_c_ilulib5,[
+    NATIVE_GCC=`echo gcc | sed -e "${program_transform_name}"`
+
+    dnl Get G++'s full path to it's libraries
+    ac_cv_c_ilulib5=`${NATIVE_GCC} --print-libgcc | sed -e 's:lib/gcc-lib/.*::'`lib
+    if test -f $ac_cv_c_ilulib5/libilu-c.a -o -f $ac_cv_c_ilulib5/libilu-c.so ; then
+        if test x"${ILUHDIR}" = x; then
+               ILUHDIR="-I${ac_cv_c_ilulib5}/../include"
+        fi
+        ILULIB="-L${ac_cv_c_ilulib5}"
+        AC_MSG_RESULT(${ac_cv_c_ilulib5})
+    else
+        ac_cv_c_ilulib=none
+        AC_MSG_RESULT(none)
+    fi
+fi])
+AC_SUBST(ILUHDIR)
+AC_SUBST(ILULIB)
+AC_SUBST(ILUTOP)
+])
+
+dnl ====================================================================
+dnl This defines the byte order for the host. We can't use
+dnl AC_C_BIGENDIAN, cause we want to create a config file and
+dnl substitue the real value, so the header files work right
+AC_DEFUN([CYG_AC_C_ENDIAN], [
+AC_MSG_CHECKING(to see if this is a little endian host)
+AC_CACHE_VAL(ac_cv_c_little_endian, [
+ac_cv_c_little_endian=unknown
+# See if sys/param.h defines the BYTE_ORDER macro.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if !BYTE_ORDER || !_BIG_ENDIAN || !_LITTLE_ENDIAN
+ bogus endian macros
+#endif], [# It does; now see whether it defined to _LITTLE_ENDIAN or not.
+AC_TRY_COMPILE([#include <sys/types.h>
+#include <sys/param.h>], [
+#if BYTE_ORDER != _LITTLE_ENDIAN
+ not big endian
+#endif], ac_cv_c_little_endian=yes, ac_cv_c_little_endian=no)
+])
+if test ${ac_cv_c_little_endian} = unknown; then
+old_cflags=$CFLAGS
+CFLAGS=-g
+AC_TRY_RUN([
+main () {
+  /* Are we little or big endian?  From Harbison&Steele.  */
+  union
+  {
+    long l;
+    char c[sizeof (long)];
+  } u;
+  u.l = 1;
+  exit (u.c[0] == 1);
+}],
+ac_cv_c_little_endian=no,
+ac_cv_c_little_endian=yes,[
+dnl Yes, this is ugly, and only used for a canadian cross anyway. This
+dnl is just to keep configure from stopping here.
+case "${host}" in
+changequote(,)
+   i[3456789]86-*-*) ac_cv_c_little_endian=yes ;;
+   sparc*-*-*)    ac_cv_c_little_endian=no ;;
+changequote([,])
+  *)    AC_MSG_WARN(Can't cross compile this test) ;;
+esac])
+CFLAGS=$old_cflags
+fi])
+
+if test x"${ac_cv_c_little_endian}" = xyes; then
+    AC_DEFINE(LITTLE_ENDIAN_HOST)
+    ENDIAN="CYG_LSBFIRST";
+else
+    ENDIAN="CYG_MSBFIRST";
+fi
+AC_MSG_RESULT(${ac_cv_c_little_endian})
+AC_SUBST(ENDIAN)
+])
+
+dnl ====================================================================
+dnl Look for the path to libgcc, so we can use it to directly link
+dnl in libgcc.a with LD.
+AC_DEFUN([CYG_AC_PATH_LIBGCC],
+[AC_MSG_CHECKING([Looking for the path to libgcc.a])
+AC_LANG_SAVE
+AC_LANG_C
+
+dnl Get Gcc's full path to libgcc.a
+libgccpath=`${CC} --print-libgcc`
+
+dnl If we don't have a path with libgcc.a on the end, this isn't G++.
+if test `echo $libgccpath | sed -e 's:/.*/::'` = libgcc.a ; then
+   ac_cv_prog_gcc=yes
+else
+   ac_cv_prog_gcc=no
+fi
+
+dnl 
+if test x"${ac_cv_prog_gcc}" = xyes ; then
+   gccpath=`echo $libgccpath | sed -e 's:/libgcc.a::'`
+   LIBGCC="-L${gccpath}"
+   AC_MSG_RESULT(${gccpath})
+else
+   LIBGCC=""
+   AC_MSG_ERROR(Not using gcc)
+fi
+
+AC_LANG_RESTORE
+AC_SUBST(LIBGCC)
+])