build_libs="build-libiberty"
# these tools are built for the build environment
-build_tools="build-texinfo build-byacc build-flex build-bison build-m4"
+build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
# these libraries are used by various programs built for the host environment
#
-host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libbanshee libcpp"
+host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
## ${target_configdirs} is directories we build using the target tools.
configdirs=`echo ${host_libs} ${host_tools}`
target_configdirs=`echo ${target_libraries} ${target_tools}`
-
-# Only make build modules if build != host.
-if test ${host_alias} != ${build_alias} ; then
- build_configdirs=`echo ${build_libs} ${build_tools}`
-fi
+build_configdirs=`echo ${build_libs} ${build_tools}`
################################################################################
;;
esac
-AC_ARG_WITH(libbanshee,
-[ --without-libbanshee Don't build with libbanshee])
-case ${with_libbanshee} in
- no)
- noconfigdirs="$noconfigdirs libbanshee" ;;
- yes|"")
- with_libbanshee=yes
- ;;
- *)
- AC_MSG_ERROR([--with-libbanshee can only be empty, "yes" or "no" (empty defaults to "yes".])
-esac
AC_ARG_ENABLE(libada,
[ --enable-libada Builds libada directory],
;;
powerpc-*-darwin*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
- noconfigdirs="$noconfigdirs target-libobjc"
;;
*-*-darwin*)
noconfigdirs="$noconfigdirs bfd binutils ld gas opcodes gdb gprof"
- noconfigdirs="$noconfigdirs target-libobjc ${libgcj}"
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
- *-*-freebsd* | *-*-kfreebsd*-gnu)
+ *-*-freebsd*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
&& test -f /usr/local/include/gmp.h; then
;;
esac
;;
- *-*-netware)
- noconfigdirs="$noconfigdirs target-libstdc++-v3 target-newlib target-libiberty target-libgloss ${libgcj}"
+ *-*-netware*)
+ noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
;;
*-*-rtems*)
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
ip2k-*-*)
noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj}"
;;
- *-*-linux*)
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
*-*-lynxos*)
tentative_cc="/usr/cygnus/progressive/bin/gcc"
host_makefile_frag="config/mh-lynxrs6k"
;;
+ powerpc-*-darwin*)
+ host_makefile_frag="config/mh-ppc-darwin"
+ ;;
*-*-lynxos*)
# /bin/cc is less than useful for our purposes. Always use GCC
tentative_cc="/bin/gcc"
*-*-sysv4*)
host_makefile_frag="config/mh-sysv4"
;;
+ # This is placed last to prevent interfering with the cases above.
+ i[[3456789]]86-*-*)
+ # Build the stage2 and stage3 compilers with -fomit-frame-pointer.
+ host_makefile_frag="config/mh-x86omitfp"
+ ;;
esac
fi
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-${target_alias}-gcc}}
- BUILD_DIR_PREFIX=${build_subdir}
BUILD_PREFIX=${build_alias}-
BUILD_PREFIX_1=${build_alias}-
CC_FOR_BUILD="\$(CC)"
GCC_FOR_TARGET="\$(USUAL_GCC_FOR_TARGET)"
- BUILD_DIR_PREFIX=
BUILD_PREFIX=
BUILD_PREFIX_1=loser-
new_enable_languages=c
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ potential_languages=c
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
lang_dirs=
boot_language=
build_by_default=
- need_gmp=
+ need_gmp=
. ${lang_frag}
+ potential_languages="${potential_languages},${language}"
# This is quite sensitive to the ordering of the case statement arms.
case ,${enable_languages},:${language}:${have_gnat}:${build_by_default} in
*::*:*)
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
- ;;
+ ;;
*:ada:no:*)
# Ada was requested with no preexisting GNAT. Disable unconditionally.
add_this_lang=no
;;
*,all,*:*:*:no)
# 'all' was selected, but this is not a default language
- # so do not include it.
+ # so do not include it.
add_this_lang=no
- ;;
+ ;;
*,all,*:*:*:*)
# 'all' was selected and this is a default language; include it.
add_this_lang=yes
;;
esac
- # Disable language that need GMP if it isn't available.
- if test x"$need_gmp" = xyes && test x"$have_gmp" = xno; then
- add_this_lang=no
- fi
+ # Disable languages that need GMP if it isn't available.
+ case ,${enable_languages},:${have_gmp}:${need_gmp} in
+ *,${language},*:no:yes)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([GMP with MPFR support is required to build $language])
+ ;;
+ *:no:yes)
+ # Silently disable.
+ add_this_lang=no
+ ;;
+ esac
case $add_this_lang in
no)
missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
-The following requested languages were not found: ${missing_languages}])
+The following requested languages were not found: ${missing_languages}
+The available languages are: ${potential_languages}])
fi
if test "x$new_enable_languages" != "x$enable_languages"; then
extra_ranlibflags_for_target=
target_makefile_frag=/dev/null
case "${target}" in
- i[[3456789]]86-*-netware*)
- target_makefile_frag="config/mt-netware"
- ;;
- powerpc-*-netware*)
+ *-*-netware*)
target_makefile_frag="config/mt-netware"
;;
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu)
extra_host_args="$extra_host_args --with-newlib"
fi
-if test x${with_libbanshee} = xyes && echo " ${configdirs} " | grep " libbanshee " >/dev/null 2>&1; then
- extra_host_args="$extra_host_args --with-libbanshee"
-fi
-
# Default to using --with-stabs for certain targets.
if test x${with_stabs} = x ; then
case "${target}" in
# not to nest @if/@endif pairs, because configure will not warn you at all.
AC_ARG_ENABLE([bootstrap],
-[ --enable-bootstrap Enable bootstrapping [no]],,
-enable_bootstrap=no)
-if test -d ${srcdir}/gcc; then
- case "$host:$target:$enable_bootstrap" in
- $build:$build:yes | *:no) ;;
- *:yes) AC_MSG_ERROR([cannot bootstrap a cross-compiler]) ;;
- *) AC_MSG_ERROR([invalid option for --enable-bootstrap]) ;;
- esac
-else
- if test $enable_bootstrap = yes; then
- AC_MSG_ERROR([cannot bootstrap without a compiler])
- fi
-fi
+[ --enable-bootstrap[=lean] Enable bootstrapping [no]],,
+enable_bootstrap=default)
+
+# Issue errors and warnings for invalid/strange bootstrap combinations.
+case "$configdirs" in
+ *gcc*) have_compiler=yes ;;
+ *) have_compiler=no ;;
+esac
+
+case "$have_compiler:$host:$target:$enable_bootstrap" in
+ *:*:*:no) ;;
+
+ # Default behavior. (We'll) enable bootstrap if we have a compiler
+ # and we are in a native configuration.
+ yes:$build:$build:default)
+ # This will become 'yes'
+ enable_bootstrap=no ;;
+
+ *:*:*:default)
+ enable_bootstrap=no ;;
+
+ # We have a compiler and we are in a native configuration, bootstrap is ok
+ yes:$build:$build:yes | yes:$build:$build:lean)
+ ;;
+
+ # Other configurations, but we have a compiler. Assume the user knows
+ # what he's doing.
+ yes:*:*:yes | yes:*:*:lean)
+ AC_MSG_WARN([trying to bootstrap a cross compiler])
+ ;;
+
+ # No compiler: if they passed --enable-bootstrap explicitly, fail
+ no:*:*:yes | no:*:*:lean)
+ AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
+ # Fail if wrong command line
+ *)
+ AC_MSG_ERROR([invalid option for --enable-bootstrap])
+ ;;
+esac
+
+# Adjust the toplevel makefile according to whether bootstrap was selected.
case "$enable_bootstrap" in
yes)
+ bootstrap_lean='#'
+ default_target=bootstrap
+ bootstrap_suffix=bootstrap ;;
+ lean)
+ bootstrap_lean=''
default_target=bootstrap
bootstrap_suffix=bootstrap ;;
no)
default_target=all
bootstrap_suffix=no-bootstrap ;;
esac
+AC_SUBST(bootstrap_lean)
AC_SUBST(default_target)
for module in ${build_configdirs} ; do
# Miscellanea: directories, flags, etc.
AC_SUBST(SET_LIB_PATH)
AC_SUBST(RPATH_ENVVAR)
-AC_SUBST(BUILD_DIR_PREFIX)
AC_SUBST(BUILD_PREFIX)
AC_SUBST(BUILD_PREFIX_1)
AC_SUBST(gcc_version_trigger)
AC_SUBST(stage1_cflags)
# It makes debugging easier if we create as symlinks the stage directories
-# gcc for stageN-gcc and stage-prev for stage(N-1). In case this is not
+# gcc for stageN-gcc and stagePREV-gcc for stage(N-1). In case this is not
# possible, however, we can resort to mv.
AC_CACHE_CHECK([if symbolic links between directories work],
[gcc_cv_prog_ln_s_dir],
esac
AC_SUBST(stage2_werror_flag)
+# If gcc is built natively with shared library enabled, set
+# $RPATH_ENVVAR to make sure the newly built gcc shared librares are
+# used.
+SET_GCC_LIB_PATH=
+if test -d ${srcdir}/gcc && test x${is_cross_compiler} = xno; then
+ case "${enable_shared}" in
+ no | "") ;;
+ *)
+ eval "d=\$$RPATH_ENVVAR"
+ if test x"$d" != x; then
+ d="$pwd/gcc:$d"
+ else
+ d="$pwd/gcc"
+ fi
+ SET_GCC_LIB_PATH="\$(RPATH_ENVVAR)=$d; export \$(RPATH_ENVVAR);"
+ ;;
+ esac
+fi
+AC_SUBST(SET_GCC_LIB_PATH)
+
AC_OUTPUT(Makefile)