+# Remove the entries in $skipdirs and $noconfigdirs from $configdirs and
+# $target_configdirs.
+# If we have the source for $noconfigdirs entries, add them to $notsupp.
+
+notsupp=""
+for dir in . $skipdirs $noconfigdirs ; do
+ dirname=`echo $dir | sed -e s/target-//g`
+ if test $dir != . && echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ configdirs=`echo " ${configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+ if test $dir != . && echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ target_configdirs=`echo " ${target_configdirs} " | sed -e "s/ ${dir} / /"`
+ if test -r $srcdir/$dirname/configure ; then
+ if echo " ${skipdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ true
+ else
+ notsupp="$notsupp $dir"
+ fi
+ fi
+ fi
+done
+
+# Sometimes the tools are distributed with libiberty but with no other
+# libraries. In that case, we don't want to build target-libiberty.
+if test -n "${target_configdirs}" ; then
+ others=
+ for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
+ if test "$i" != "libiberty" ; then
+ if test -r $srcdir/$i/configure ; then
+ others=yes;
+ break;
+ fi
+ fi
+ done
+ if test -z "${others}" ; then
+ target_configdirs=
+ fi
+fi
+
+# Quietly strip out all directories which aren't configurable in this tree.
+# This relies on all configurable subdirectories being autoconfiscated, which
+# is now the case.
+configdirs_all="$configdirs"
+configdirs=
+for i in ${configdirs_all} ; do
+ if test -f ${srcdir}/$i/configure ; then
+ configdirs="${configdirs} $i"
+ fi
+done
+target_configdirs_all="$target_configdirs"
+target_configdirs=
+for i in ${target_configdirs_all} ; do
+ j=`echo $i | sed -e s/target-//g`
+ if test -f ${srcdir}/$j/configure ; then
+ target_configdirs="${target_configdirs} $i"
+ fi
+done
+
+# Produce a warning message for the subdirs we can't configure.
+# This isn't especially interesting in the Cygnus tree, but in the individual
+# FSF releases, it's important to let people know when their machine isn't
+# supported by the one or two programs in a package.
+
+if test -n "${notsupp}" && test -z "${norecursion}" ; then
+ # If $appdirs is non-empty, at least one of those directories must still
+ # be configured, or we error out. (E.g., if the gas release supports a
+ # specified target in some subdirs but not the gas subdir, we shouldn't
+ # pretend that all is well.)
+ if test -n "$appdirs" ; then
+ for dir in $appdirs ; do
+ if test -r $dir/Makefile.in ; then
+ if echo " ${configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ appdirs=""
+ break
+ fi
+ if echo " ${target_configdirs} " | grep " ${dir} " >/dev/null 2>&1; then
+ appdirs=""
+ break
+ fi
+ fi
+ done
+ if test -n "$appdirs" ; then
+ echo "*** This configuration is not supported by this package." 1>&2
+ exit 1
+ fi
+ fi
+ # Okay, some application will build, or we don't care to check. Still
+ # notify of subdirs not getting built.
+ echo "*** This configuration is not supported in the following subdirectories:" 1>&2
+ echo " ${notsupp}" 1>&2
+ echo " (Any other directories should still work fine.)" 1>&2
+fi
+
+case "$host" in
+ *msdosdjgpp*)
+ enable_gdbtk=no ;;
+esac
+
+copy_dirs=
+
+# Handle --with-headers=XXX. If the value is not "yes", the contents of
+# the named directory are copied to $(tooldir)/sys-include.
+if test x"${with_headers}" != x ; then
+ if test x${is_cross_compiler} = xno ; then
+ echo 1>&2 '***' --with-headers is only supported when cross compiling
+ exit 1
+ fi
+ if test x"${with_headers}" != xyes ; then
+ case "${exec_prefixoption}" in
+ "") x=${prefix} ;;
+ *) x=${exec_prefix} ;;
+ esac
+ copy_dirs="${copy_dirs} ${with_headers} $x/${target_alias}/sys-include"
+ fi
+fi
+
+# Handle --with-libs=XXX. If the value is not "yes", the contents of
+# the name directories are copied to $(tooldir)/lib. Multiple directories
+# are permitted.
+if test x"${with_libs}" != x ; then
+ if test x${is_cross_compiler} = xno ; then
+ echo 1>&2 '***' --with-libs is only supported when cross compiling
+ exit 1
+ fi
+ if test x"${with_libs}" != xyes ; then
+ # Copy the libraries in reverse order, so that files in the first named
+ # library override files in subsequent libraries.
+ case "${exec_prefixoption}" in
+ "") x=${prefix} ;;
+ *) x=${exec_prefix} ;;
+ esac
+ for l in ${with_libs}; do
+ copy_dirs="$l $x/${target_alias}/lib ${copy_dirs}"
+ done
+ fi
+fi
+
+# Handle ${copy_dirs}
+set fnord ${copy_dirs}
+shift
+while test $# != 0 ; do
+ if test -f $2/COPIED && test x"`cat $2/COPIED`" = x"$1" ; then
+ :
+ else
+ echo Copying $1 to $2
+
+ # Use the install script to create the directory and all required
+ # parent directories.
+ if test -d $2 ; then
+ :
+ else
+ echo >config.temp
+ ${srcdir}/install-sh -c -m 644 config.temp $2/COPIED
+ fi
+
+ # Copy the directory, assuming we have tar.
+ # FIXME: Should we use B in the second tar? Not all systems support it.
+ (cd $1; tar -cf - .) | (cd $2; tar -xpf -)
+
+ # It is the responsibility of the user to correctly adjust all
+ # symlinks. If somebody can figure out how to handle them correctly
+ # here, feel free to add the code.
+
+ echo $1 > $2/COPIED
+ fi
+ shift; shift
+done
+
+# Work in distributions that contain no compiler tools, like Autoconf.
+tentative_cc=""
+host_makefile_frag=/dev/null
+if test -d ${srcdir}/config ; then
+case "${host}" in
+ m68k-hp-hpux*)
+ # Avoid "too much defining" errors from HPUX compiler.
+ tentative_cc="cc -Wp,-H256000"
+ # If "ar" in $PATH is GNU ar, the symbol table may need rebuilding.
+ # If it's HP/UX ar, this should be harmless.
+ RANLIB="ar ts"
+ ;;
+ m68k-apollo-sysv*)
+ tentative_cc="cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DUSG"
+ ;;
+ m68k-apollo-bsd*)
+ #None of the Apollo compilers can compile gas or binutils. The preprocessor
+ # chokes on bfd, the compiler won't let you assign integers to enums, and
+ # other problems. Defining CC to gcc is a questionable way to say "don't use
+ # the apollo compiler" (the preferred version of GCC could be called cc,
+ # or whatever), but I'm not sure leaving CC as cc is any better...
+ #CC=cc -A ansi -A runtype,any -A systype,any -U__STDC__ -DNO_STDARG
+ # Used to have BISON=yacc.
+ tentative_cc=gcc
+ ;;
+ m88k-dg-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ ;;
+ m88k-harris-cxux*)
+ # Under CX/UX, we want to tell the compiler to use ANSI mode.
+ tentative_cc="cc -Xa"
+ host_makefile_frag="config/mh-cxux"
+ ;;
+ m88k-motorola-sysv*)
+ ;;
+ mips*-dec-ultrix*)
+ tentative_cc="cc -Wf,-XNg1000"
+ host_makefile_frag="config/mh-decstation"
+ ;;
+ mips*-nec-sysv4*)
+ # The C compiler on NEC MIPS SVR4 needs bigger tables.
+ tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
+ host_makefile_frag="config/mh-necv4"
+ ;;
+ mips*-sgi-irix4*)
+ # Tell compiler to use K&R C. We can't compile under the SGI Ansi
+ # environment. Also bump switch table size so that cp-parse will
+ # compile. Bump string length limit so linker builds.
+ tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
+ ;;
+ mips*-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ mips*-*-sysv*)
+ # This is for a MIPS running RISC/os 4.52C.
+
+ # This is needed for GDB, but needs to be in the top-level make because
+ # if a library is compiled with the bsd headers and gets linked with the
+ # sysv system libraries all hell can break loose (e.g. a jmp_buf might be
+ # a different size).
+ # ptrace(2) apparently has problems in the BSD environment. No workaround is
+ # known except to select the sysv environment. Could we use /proc instead?
+ # These "sysv environments" and "bsd environments" often end up being a pain.
+ #
+ # This is not part of CFLAGS because perhaps not all C compilers have this
+ # option.
+ tentative_cc="cc -systype sysv"
+ ;;
+ i370-ibm-opened*)
+ tentative_cc="c89"
+ ;;
+ i[[3456]]86-*-sysv5*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456]]86-*-dgux*)
+ tentative_cc="gcc -Wall -ansi -D__using_DGUX"
+ host_makefile_frag="config/mh-dgux386"
+ ;;
+ i[[3456]]86-ncr-sysv4.3*)
+ # The MetaWare compiler will generate a copyright message unless you
+ # turn it off by adding the -Hnocopyr flag.
+ tentative_cc="cc -Hnocopyr"
+ ;;
+ i[[3456]]86-ncr-sysv4*)
+ # for an NCR 3000 (i486/SVR4) system.
+ # The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
+ # This compiler not only emits obnoxious copyright messages every time
+ # you run it, but it chokes and dies on a whole bunch of GNU source
+ # files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
+ tentative_cc="/usr/ccs/ATT/cc"
+ host_makefile_frag="config/mh-ncr3000"
+ ;;
+ i[[3456]]86-*-sco3.2v5*)
+ ;;
+ i[[3456]]86-*-sco*)
+ # The native C compiler botches some simple uses of const. Unfortunately,
+ # it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
+ tentative_cc="cc -Dconst="
+ host_makefile_frag="config/mh-sco"
+ ;;
+ i[[3456]]86-*-udk*)
+ host_makefile_frag="config/mh-sysv5"
+ ;;
+ i[[3456]]86-*-solaris2*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+ i[[3456]]86-*-msdosdjgpp*)
+ host_makefile_frag="config/mh-djgpp"
+ ;;
+ *-cygwin*)
+ host_makefile_frag="config/mh-cygwin"
+ ;;
+ *-mingw32*)
+ host_makefile_frag="config/mh-mingw32"
+ ;;
+ *-interix*)
+ host_makefile_frag="config/mh-interix"
+ ;;
+ vax-*-ultrix2*)
+ # The old BSD pcc isn't up to compiling parts of gdb so use gcc
+ tentative_cc=gcc
+ ;;
+ *-*-solaris2*)
+ host_makefile_frag="config/mh-solaris"
+ ;;
+ m68k-sun-sunos*)
+ # Sun's C compiler needs the -J flag to be able to compile cp-parse.c
+ # without overflowing the jump tables (-J says to use a 32 bit table)
+ tentative_cc="cc -J"
+ ;;
+ *-hp-hpux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ *-*-hiux*)
+ tentative_cc="cc -Wp,-H256000"
+ ;;
+ rs6000-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/usr/cygnus/progressive/bin/gcc"
+ host_makefile_frag="config/mh-lynxrs6k"
+ ;;
+ *-*-lynxos*)
+ # /bin/cc is less than useful for our purposes. Always use GCC
+ tentative_cc="/bin/gcc"
+ ;;
+ *-*-sysv4*)
+ host_makefile_frag="config/mh-sysv4"
+ ;;
+esac
+fi
+
+extra_arflags_for_target=
+extra_nmflags_for_target=
+extra_ranlibflags_for_target=
+target_makefile_frag=/dev/null
+case "${target}" in
+ i[[3456]]86-*-netware*)
+ target_makefile_frag="config/mt-netware"
+ ;;
+ powerpc-*-netware*)
+ target_makefile_frag="config/mt-netware"
+ ;;
+ *-*-linux*)
+ target_makefile_frag="config/mt-linux"
+ ;;
+ *-*-aix4.[[3456789]]* | *-*-aix[[56789]].*)
+ # nm and ar from AIX 4.3 and above require -X32_64 flag to all ar and nm
+ # commands to handle both 32-bit and 64-bit objects. These flags are
+ # harmless if we're using GNU nm or ar.
+ extra_arflags_for_target=" -X32_64"
+ extra_nmflags_for_target=" -B -X32_64"
+ ;;
+ *-*-darwin*)
+ # ranlib from Darwin requires the -c flag to look at common symbols.
+ extra_ranlibflags_for_target=" -c"
+ ;;
+ mips*-*-pe | sh*-*-pe | *arm-wince-pe)
+ target_makefile_frag="config/mt-wince"
+ ;;
+esac
+
+alphaieee_frag=/dev/null
+case $target in
+ alpha*-*-*)
+ # This just makes sure to use the -mieee option to build target libs.
+ # This should probably be set individually by each library.
+ alphaieee_frag="config/mt-alphaieee"
+ ;;
+esac
+
+# If --enable-target-optspace always use -Os instead of -O2 to build
+# the target libraries, similarly if it is not specified, use -Os
+# on selected platforms.
+ospace_frag=/dev/null
+case "${enable_target_optspace}:${target}" in
+ yes:*)
+ ospace_frag="config/mt-ospace"
+ ;;
+ :d30v-*)
+ ospace_frag="config/mt-d30v"
+ ;;
+ :m32r-* | :d10v-* | :fr30-*)
+ ospace_frag="config/mt-ospace"
+ ;;
+ no:* | :*)
+ ;;
+ *)
+ echo "*** bad value \"${enable_target_optspace}\" for --enable-target-optspace flag; ignored" 1>&2
+ ;;
+esac
+
+# Set with_gnu_as and with_gnu_ld as appropriate.
+#
+# This is done by determining whether or not the appropriate directory
+# is available, and by checking whether or not specific configurations
+# have requested that this magic not happen.
+#
+# The command line options always override the explicit settings in
+# configure.in, and the settings in configure.in override this magic.
+#
+# If the default for a toolchain is to use GNU as and ld, and you don't
+# want to do that, then you should use the --without-gnu-as and
+# --without-gnu-ld options for the configure script.
+
+if test x${use_gnu_as} = x &&
+ echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
+ with_gnu_as=yes
+ extra_host_args="$extra_host_args --with-gnu-as"
+fi
+
+if test x${use_gnu_ld} = x &&
+ echo " ${configdirs} " | grep " ld " > /dev/null 2>&1 ; then
+ with_gnu_ld=yes
+ extra_host_args="$extra_host_args --with-gnu-ld"
+fi
+
+# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
+# can detect this case.
+
+if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
+ with_newlib=yes
+ extra_host_args="$extra_host_args --with-newlib"
+fi