Newer
Older
${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.
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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[[3456789]]86-*-sysv5*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-dgux*)
tentative_cc="gcc -Wall -ansi -D__using_DGUX"
host_makefile_frag="config/mh-dgux386"
;;
i[[3456789]]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[[3456789]]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[[3456789]]86-*-sco3.2v5*)
i[[3456789]]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[[3456789]]86-*-udk*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-solaris2*)
host_makefile_frag="config/mh-sysv4"
;;
i[[3456789]]86-*-msdosdjgpp*)
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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
i[[3456789]]86-*-netware*)
target_makefile_frag="config/mt-netware"
target_makefile_frag="config/mt-netware"
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
case $target in
alpha*-*-*)
# This just makes sure to use the -mieee option to build target libs.
# This should probably be set individually by each library.
alphaieee_frag="config/mt-alphaieee"
# If --enable-target-optspace always use -Os instead of -O2 to build
# the target libraries, similarly if it is not specified, use -Os
# on selected platforms.
case "${enable_target_optspace}:${target}" in
yes:*)
ospace_frag="config/mt-ospace"
ospace_frag="config/mt-d30v"
;;
:m32r-* | :d10v-* | :fr30-*)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
;;
*)
echo "*** bad value \"${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"
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"
# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " target-newlib " > /dev/null 2>&1 ; then
extra_host_args="$extra_host_args --with-newlib"
# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
case "${target}" in
mips*-*-irix[[56]]*)
;;
mips*-*-* | alpha*-*-osf*)
with_stabs=yes;
extra_host_args="${extra_host_args} --with-stabs"
;;
esac
fi
# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
# them automatically.
case "${host}" in
hppa*64*-*-hpux11*)
extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
found=
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
found=yes
break
fi
done
IFS="$save_ifs"
if test -z "${found}" && test -n "${tentative_cc}" ; then
CC=$tentative_cc
fi
fi
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_alias}
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build_tooldir=${tooldir}
# Generate a default definition for YACC. This is used if the makefile can't
# locate bison or byacc in objdir.
for prog in 'bison -y' byacc yacc
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_YACC="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_YACC" && break
done
# Generate a default definition for M4. This is used if the makefile can't
# locate m4 in objdir.
for prog in gm4 gnum4 m4
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_M4="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_M4" && break
done
# Generate a default definition for LEX. This is used if the makefile can't
# locate flex in objdir.
for prog in flex lex
do
set dummy $prog; tmp=$2
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/$tmp; then
DEFAULT_LEX="$prog"
break
fi
done
IFS="$save_ifs"
test -n "$DEFAULT_LEX" && break
done
if test "${build}" != "${host}" ; then
# If we are doing a Canadian Cross, in which the host and build systems
# are not the same, we set reasonable default values for the tools.
BISON=${BISON-bison}
CC=${CC-${host_alias}-gcc}
CFLAGS=${CFLAGS-"-g -O2"}
CXX=${CXX-${host_alias}-c++}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CC_FOR_TARGET=${CC_FOR_TARGET-${target_alias}-gcc}
CXX_FOR_TARGET=${CXX_FOR_TARGET-${target_alias}-c++}
GCJ_FOR_TARGET=${GCJ_FOR_TARGET-${target_alias}-gcj}
GCC_FOR_TARGET=${GCC_FOR_TARGET-${CC_FOR_TARGET-${target_alias}-gcc}}
BUILD_PREFIX=${build_alias}-
BUILD_PREFIX_1=${build_alias}-
MAKEINFO=${MAKEINFO-makeinfo}
if test -z "${YACC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/bison; then
YACC="bison -y"
break
fi
if test -f $dir/byacc; then
YACC=byacc
break
fi
if test -f $dir/yacc; then
YACC=yacc
break
fi
done
IFS="$save_ifs"
if test -z "${YACC}" ; then
YACC="bison -y"
fi
fi
if test -z "${LEX}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/flex; then
LEX=flex
break
fi
if test -f $dir/lex; then
LEX=lex
break
fi
done
IFS="$save_ifs"
LEX=${LEX-flex}
fi
else
# Set reasonable default values for some tools even if not Canadian.
# Of course, these are different reasonable default values, originally
# specified directly in the Makefile.
# We don't export, so that autoconf can do its job.
# Note that all these settings are above the fragment inclusion point
# in Makefile.in, so can still be overridden by fragments.
# This is all going to change when we autoconfiscate...
BISON="\$(USUAL_BISON)"
CC_FOR_BUILD="\$(CC)"
GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
BUILD_PREFIX=
BUILD_PREFIX_1=loser-
MAKEINFO="\$(USUAL_MAKEINFO)"
LEX="\$(USUAL_LEX)"
YACC="\$(USUAL_YACC)"
# If CC is still not set, try to get gcc.
if test -z "${CC}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
CC="gcc"
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
break
fi
done
IFS="$save_ifs"
CC=${CC-cc}
else
# Determine if we are using gcc.
cat > conftest.c <<EOF
#ifdef __GNUC__
yes;
#endif
EOF
if ${CC} -E conftest.c | grep yes >/dev/null 2>&1; then
cc_prog_is_gcc=yes
fi
rm -f conftest.c
if test -z "${CFLAGS}"; then
# Here CC is set but CFLAGS is not. Use a quick hack to use -O2 if CC
# is set to a version of gcc.
if test "$cc_prog_is_gcc" = yes; then
echo 'void f(){}' > conftest.c
if test -z "`${CC} -g -c conftest.c 2>&1`"; then
CFLAGS=${CFLAGS-"-g -O2"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
else
CFLAGS=${CFLAGS-"-O2"}
CXXFLAGS=${CXXFLAGS-"-O2"}
fi
rm -f conftest*
fi
fi
fi
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"; then
if test "$cc_prog_is_gcc" = yes; then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
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esac
fi
fi
CXX=${CXX-"c++"}
CFLAGS=${CFLAGS-"-g"}
CXXFLAGS=${CXXFLAGS-"-g -O2"}
fi
# FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
# Set up the list of links to be made.
# ${links} is the list of link names, and ${files} is the list of names to link to.
# Make the links.
configlinks="${links}"
if test -r ./config.status ; then
mv -f ./config.status ./config.back
fi
while test -n "${files}" ; do
# set file to car of files, files to cdr of files
set ${files}; file=$1; shift; files=$*
set ${links}; link=$1; shift; links=$*
if test ! -r ${srcdir}/${file} ; then
if test ! -r ${file} ; then
echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
exit 1
else
srcfile=${file}
fi
else
srcfile=${srcdir}/${file}
fi
${remove} -f ${link}
# Make a symlink if possible, otherwise try a hard link
if ${symbolic_link} ${srcfile} ${link} >/dev/null 2>&1 ; then
true
else
# We need to re-remove the file because Lynx leaves a
# very strange directory there when it fails an NFS symlink.
${remove} -r -f ${link}
${hard_link} ${srcfile} ${link}
fi
if test ! -r ${link} ; then
echo '***' "${progname}: unable to link \"${link}\" to \"${srcfile}\"." 1>&2
exit 1
fi
echo "Linked \"${link}\" to \"${srcfile}\"."
done
# Create a .gdbinit file which runs the one in srcdir
# and tells GDB to look there for source files.
if test -r ${srcdir}/.gdbinit ; then
case ${srcdir} in
.) ;;
*) cat > ./.gdbinit <<EOF
# ${NO_EDIT}
dir ${srcdir}
dir .
source ${srcdir}/.gdbinit
EOF
;;
esac
fi
# Make sure that the compiler is able to generate an executable. If it
# can't, we are probably in trouble. We don't care whether we can run the
# executable--we might be using a cross compiler--we only care whether it
# can be created. At this point the main configure script has set CC.
echo "int main () { return 0; }" > conftest.c
${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
if test $? = 0 ; then
if test -s conftest || test -s conftest.exe ; then
we_are_ok=yes
fi
fi
case $we_are_ok in
no)
echo 1>&2 "*** The command '${CC} -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c' failed."
echo 1>&2 "*** You must set the environment variable CC to a working compiler."
rm -f conftest*
exit 1
;;
esac
rm -f conftest*
# The Solaris /usr/ucb/cc compiler does not appear to work.
case "${host}" in
sparc-sun-solaris2*)
CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
if test -d /opt/cygnus/bin ; then
if test "$could_use" = "" ; then
could_use="/opt/cygnus/bin"
else
could_use="$could_use or /opt/cygnus/bin"
fi
fi
if test "$could_use" = "" ; then
echo "Warning: compilation may fail because you're using"
echo "/usr/ucb/cc. You should change your PATH or CC "
echo "variable and rerun configure."
else
echo "Warning: compilation may fail because you're using"
echo "/usr/ucb/cc, when you should use the C compiler from"
echo "$could_use. You should change your"
echo "PATH or CC variable and rerun configure."
fi
fi
;;
esac
# If --enable-shared was set, we must set LD_LIBRARY_PATH so that the
# binutils tools will find libbfd.so.
case "${enable_shared}" in
no | "") SET_LIB_PATH= ;;
*) SET_LIB_PATH="\$(REALLY_SET_LIB_PATH)" ;;
esac
case "${host}" in
*-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
*) RPATH_ENVVAR=LD_LIBRARY_PATH ;;
esac
# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
# This is the final value for target_configdirs. configdirs already
# has its final value, as does build_modules. It's time to create some
# lists of valid targets.
all_build_modules=
configure_build_modules=
for module in ${build_modules} ; do
all_build_modules=all-build-${module}
configure_build_modules=configure-build-${module}
done
# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# and in that case we want gdb to be built without tk. Ugh!
# In fact I believe gdb is the *only* package directly dependent on tk,
# so we should be able to put the 'maybe's in unconditionally and
# leave out the maybe dependencies when enable_gdbtk is false. I'm not
# 100% sure that that's safe though.
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gdb_tk="maybe-all-tcl maybe-all-tk maybe-all-itcl maybe-all-tix maybe-all-libgui"
case "$enable_gdbtk" in
no)
GDB_TK="" ;;
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yes)
GDB_TK="${gdb_tk}" ;;
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# Only add the dependency on gdbtk when GDBtk is part of the gdb
# distro. Eventually someone will fix this and move Insight, nee
# gdbtk to a separate directory.
if test -d ${srcdir}/gdb/gdbtk ; then
GDB_TK="${gdb_tk}"
else
GDB_TK=""
fi
;;
esac
# Create the 'maybe dependencies'. This uses a temporary file.
# While at that, we remove Makefiles if we were started for recursive
# configuration, so that the top-level Makefile reconfigures them,
# like we used to do when configure itself was recursive.
echo '# maybedep.tmp' > maybedep.tmp
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mts="configure all install check clean distclean dvi info install-info"
mts="${mts} installcheck mostlyclean maintainer-clean TAGS"
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# Loop over modules and make-targets.
for module in ${build_modules} ; do
if test -z "${no_recursion}" \
&& test -f ${build_subdir}/${module}/Makefile; then
echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
rm -f ${build_subdir}/${module}/Makefile
fi
for mt in ${mts} ; do
case ${mt} in
install) ;; # No installing build modules.
*) echo "maybe-${mt}-build-${module}: ${mt}-build-${module}" >> maybedep.tmp ;;
esac
done
done
for module in ${configdirs} ; do
if test -z "${no_recursion}" \
&& test -f ${module}/Makefile; then
echo 1>&2 "*** removing ${module}/Makefile to force reconfigure"
rm -f ${module}/Makefile
fi
for mt in ${mts} ; do
echo "maybe-${mt}-${module}: ${mt}-${module}" >> maybedep.tmp
done
done
for module in ${target_configdirs} ; do
if test -z "${no_recursion}" \
&& test -f ${target_subdir}/${module}/Makefile; then
echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
rm -f ${target_subdir}/${module}/Makefile
fi
for mt in ${mts} ; do
echo "maybe-${mt}-target-${module}: ${mt}-target-${module}" >> maybedep.tmp
done
maybe_dependencies=maybedep.tmp
AC_SUBST_FILE(maybe_dependencies)
# Create the serialization dependencies. This uses a temporary file.
AC_ARG_ENABLE([serial-configure],
[ --enable-serial-[{host,target,build}-]configure
Force sequential configuration of
sub-packages for the host, target or build
machine, or all sub-packages])
case ${enable_serial_configure} in
yes)
enable_serial_build_configure=yes
enable_serial_host_configure=yes
enable_serial_target_configure=yes
;;
esac
# These force 'configure's to be done one at a time, to avoid problems
# with contention over a shared config.cache.
rm -f serdep.tmp
echo '# serdep.tmp' > serdep.tmp
test "x${enable_serial_build_configure}" = xyes &&
for item in ${build_configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-build-${item}: configure-build-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
olditem=
test "x${enable_serial_host_configure}" = xyes &&
for item in ${configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-${item}: configure-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
olditem=
test "x${enable_serial_target_configure}" = xyes &&
for item in ${target_configdirs} ; do
case ${olditem} in
"") ;;
*) echo "configure-target-${item}: configure-target-${olditem}" >> serdep.tmp ;;
esac
olditem=${item}
done
serialization_dependencies=serdep.tmp
AC_SUBST_FILE(serialization_dependencies)
# Base args. Strip norecursion, cache-file, srcdir, host, build,
# target and nonopt. These are the ones we might not want to pass
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# down to subconfigures. Also strip program-prefix, program-suffix,
# and program-transform-name, so that we can pass down a consistent
# program-transform-name. If autoconf has put single quotes around
# any of these arguments (because they contain shell metacharacters)
# then this will fail; in practice this only happens for
# --program-transform-name, so be sure to override --program-transform-name
# at the end of the argument list.
# These will be expanded by make, so quote '$'.
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cat <<\EOF_SED > conftestsed
s/ --no[[^ ]]* / /
s/ --c[[a-z-]]*[[= ]][[^ ]]* / /
s/ --sr[[a-z-]]*[[= ]][[^ ]]* / /
s/ --ho[[a-z-]]*[[= ]][[^ ]]* / /
s/ --bu[[a-z-]]*[[= ]][[^ ]]* / /
s/ --t[[a-z-]]*[[= ]][[^ ]]* / /
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s/ --program-[[pst]][[a-z-]]*[[= ]][[^ ]]* / /
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s/ -cache-file[[= ]][[^ ]]* / /
s/ -srcdir[[= ]][[^ ]]* / /
s/ -host[[= ]][[^ ]]* / /
s/ -build[[= ]][[^ ]]* / /
s/ -target[[= ]][[^ ]]* / /
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s/ -program-prefix[[= ]][[^ ]]* / /
s/ -program-suffix[[= ]][[^ ]]* / /
s/ -program-transform-name[[= ]][[^ ]]* / /
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s/ [[^' -][^ ]*] / /
s/^ *//;s/ *$//
s,\$,$$,g
EOF_SED
sed -f conftestsed <<EOF_SED > conftestsed.out
${ac_configure_args}
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EOF_SED
baseargs=`cat conftestsed.out`
rm -f conftestsed conftestsed.out
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# Add in --program-transform-name, after --program-prefix and
# --program-suffix have been applied to it. Autoconf has already
# doubled dollar signs and backslashes in program_transform_name; we want
# the backslashes un-doubled, and then the entire thing wrapped in single
# quotes, because this will be expanded first by make and then by the shell.
# Also, because we want to override the logic in subdir configure scripts to
# choose program_transform_name, replace any s,x,x, with s,y,y,.
sed -e "s,\\\\\\\\,\\\\,g; s,','\\\\'',g; s/s,x,x,/s,y,y,/" <<EOF_SED > conftestsed.out
${program_transform_name}
EOF_SED
gcc_transform_name=`cat conftestsed.out`
rm -f conftestsed.out
baseargs="$baseargs --program-transform-name='${gcc_transform_name}'"
# 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="--cache-file=../config.cache --build=${build_alias} --host=${build_alias} ${baseargs}"
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# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
"") # empty
cache_file_option="" ;;
/* | [[A-Za-z]]:[[\\/]]* ) # absolute path
cache_file_option="--cache-file=${cache_file}" ;;
*) # relative path
cache_file_option="--cache-file=../${cache_file}" ;;
esac
# Host dirs don't like to share a cache file either, horribly enough.
# This seems to be due to autoconf 2.5x stupidity.
host_configargs="--cache-file=./config.cache --build=${build_alias} --host=${host_alias} --target=${target_alias} ${extra_host_args} ${baseargs}"
target_configargs=${baseargs}
# Passing a --with-cross-host argument lets the target libraries know
# whether they are being built with a cross-compiler or being built
# native. However, it would be better to use other mechanisms to make the
# sorts of decisions they want to make on this basis. Please consider
# this option to be deprecated. FIXME.
if test x${is_cross_compiler} = xyes ; then
target_configargs="--with-cross-host=${host_alias} ${target_configargs}"
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"
# Pass --with-newlib if appropriate. Note that target_configdirs has
# changed from the earlier setting of with_newlib.
if test x${with_newlib} != xno && echo " ${target_configdirs} " | grep " newlib " > /dev/null 2>&1 && test -d ${srcdir}/newlib ; then
target_configargs="--with-newlib ${target_configargs}"
# Different target subdirs use different values of certain variables
# (notably CXX). Worse, multilibs use *lots* of different values.
# Worse yet, autoconf 2.5x makes some of these 'precious', meaning that
# it doesn't automatically accept command-line overrides of them.
# This means it's not safe for target subdirs to share a cache file,
# which is disgusting, but there you have it. Hopefully this can be
# fixed in future. It's still worthwhile to use a cache file for each
# directory. I think.
# Pass the appropriate --host, --build, and --cache-file arguments.
target_configargs="--cache-file=./config.cache --host=${target_alias} --build=${build_alias} ${target_configargs}"
# provide a proper gxx_include_dir.
# Note, if you change the default, make sure to fix both here and in
# the gcc and libstdc++-v3 subdirectories.
# Check whether --with-gxx-include-dir or --without-gxx-include-dir was given.
case "${with_gxx_include_dir}" in
yes)
AC_MSG_ERROR([--with-gxx-include-dir=[[dir]] requires a directory])
;;
no | "")
case "${enable_version_specific_runtime_libs}" in
yes) gxx_include_dir='${libsubdir}/include/c++' ;;
*)
. ${srcdir}/config.if
gxx_include_dir='${prefix}/include/'${libstdcxx_incdir} ;;
esac ;;
*) gxx_include_dir=${with_gxx_include_dir} ;;
esac
case " $target_configdirs " in
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*" newlib "*)
case " $target_configargs " in
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*" --with-newlib "*)
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*-cygwin*)
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FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include' ;;
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# If we're not building GCC, don't discard standard headers.
if test -d ${srcdir}/gcc; then
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FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -nostdinc'
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if test "${build}" != "${host}"; then
# On Canadian crosses, CC_FOR_TARGET will have already been set
# by `configure', so we won't have an opportunity to add -Bgcc/
# to it. This is right: we don't want to search that directory
# for binaries, but we want the header files in there, so add
# them explicitly.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -isystem $$r/gcc/include'
# Someone might think of using the pre-installed headers on
# Canadian crosses, in case the installed compiler is not fully
# compatible with the compiler being built. In this case, it
# would be better to flag an error than risking having
# incompatible object files being constructed. We can't
# guarantee that an error will be flagged, but let's hope the
# compiler will do it, when presented with incompatible header
# files.
fi
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fi
case "${target}-${is_cross_compiler}" in
i[[3456789]]86-*-linux*-no)
# Here host == target, so we don't need to build gcc,
# so we don't want to discard standard headers.
FLAGS_FOR_TARGET=`echo " $FLAGS_FOR_TARGET " | sed -e 's/ -nostdinc / /'`
;;
*)
# If we're building newlib, use its generic headers last, but search
# for any libc-related directories first (so make it the last -B
# switch).
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$$r/$(TARGET_SUBDIR)/newlib/ -isystem $$r/$(TARGET_SUBDIR)/newlib/targ-include -isystem $$s/newlib/libc/include'
;;
esac
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esac
;;
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# Allow the user to override the flags for
# our build compiler if desired.
CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}
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# On Canadian crosses, we'll be searching the right directories for
# the previously-installed cross compiler, so don't bother to add
# flags for directories within the install tree of the compiler
# being built; programs in there won't even run.
if test "${build}" = "${host}" && test -d ${srcdir}/gcc; then
# Search for pre-installed headers if nothing else fits.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include'
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if test "x${use_gnu_ld}" = x &&
echo " ${configdirs} " | grep " ld " > /dev/null ; then
# Arrange for us to find uninstalled linker scripts.
FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/ld'
fi
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if test "x${CC_FOR_TARGET+set}" = xset; then
:
elif test -d ${srcdir}/gcc; then
CC_FOR_TARGET='$$r/gcc/xgcc -B$$r/gcc/'
elif test "$host" = "$target"; then
CC_FOR_TARGET='$(CC)'
else
CC_FOR_TARGET=`echo gcc | sed "${program_transform_name}"`
CC_FOR_TARGET=$CC_FOR_TARGET' $(FLAGS_FOR_TARGET)'
if test "x${GCJ_FOR_TARGET+set}" = xset; then
:
elif test -d ${srcdir}/gcc; then
GCJ_FOR_TARGET='$$r/gcc/gcj -B$$r/gcc/'
elif test "$host" = "$target"; then
GCJ_FOR_TARGET='gcj'
else
GCJ_FOR_TARGET=`echo gcj | sed "${program_transform_name}"`
GCJ_FOR_TARGET=$GCJ_FOR_TARGET' $(FLAGS_FOR_TARGET)'
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# Don't use libstdc++-v3's flags to configure/build itself.
libstdcxx_flags='`test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
raw_libstdcxx_flags='-L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs'
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if test "x${CXX_FOR_TARGET+set}" = xset; then
if test "x${RAW_CXX_FOR_TARGET+set}" != xset; then
RAW_CXX_FOR_TARGET=${CXX_FOR_TARGET}
fi
elif test -d ${srcdir}/gcc; then
# We add -shared-libgcc to CXX_FOR_TARGET whenever we use xgcc instead
# of g++ for linking C++ or Java, because g++ has -shared-libgcc by
# default whereas gcc does not.