# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
- target-boehm-gc \
target-zlib \
target-qthreads \
target-libjava"
target-libmudflap \
target-libssp \
target-libgfortran \
+ target-boehm-gc \
${libgcj} \
target-libobjc \
target-libada \
# Some tools are only suitable for building in a "native" situation.
# Remove these if host!=target.
-native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff gprof target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
+native_only="autoconf automake libtool fileutils find gawk gettext gzip hello indent m4 rcs recode sed shellutils tar textutils uudecode wdiff target-groff guile perl time ash bash bzip2 prms gnuserv target-gperf"
# Similarly, some are only suitable for cross toolchains.
# Remove these if host=target.
;;
*-*-netbsd* | *-*-freebsd* | *-*-openbsd*)
;;
- *-*-solaris2* | *-*-sysv4* | *-*-irix* | *-*-osf* | *-*-hpux*)
+ *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
;;
*-*-darwin* | *-*-aix*)
;;
i[[3456789]]86-*-mingw32*)
target_configdirs="$target_configdirs target-mingw"
noconfigdirs="$noconfigdirs expect target-libgloss ${libgcj}"
-
- # Can't build gdb for mingw32 if not native.
- case "${host}" in
- i[[3456789]]86-*-mingw32) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl gnuserv"
- ;;
- esac
;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
elif test -d "$srcdir/newlib"; then
echo "Warning: winsup is missing so newlib can't be built."
fi
-
- # Can't build gdb for Cygwin if not native.
- case "${host}" in
- *-*-cygwin*) ;; # keep gdb tcl tk expect etc.
- *) noconfigdirs="$noconfigdirs gdb tcl tk expect itcl libgui gnuserv"
- ;;
- esac
;;
i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
language=
target_libs=
lang_dirs=
+ subdir_requires=
boot_language=
build_by_default=
need_gmp=
;;
esac
+ # Disable languages that need other directories if these aren't available.
+ for i in $subdir_requires; do
+ test -f "$srcdir/gcc/$i/config-lang.in" && continue
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Specifically requested language; tell them.
+ AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
+ ;;
+ *)
+ # Silently disable.
+ add_this_lang=no
+ ;;
+ esac
+ done
+
# Disable languages that need GMP if it isn't available.
case ,${enable_languages},:${have_gmp}:${need_gmp} in
*,${language},*:no:yes)
fi
done
+# Check for Boehm's garbage collector
+AC_ARG_ENABLE(objc-gc,
+[ --enable-objc-gc enable the use of Boehm's garbage collector with
+ the GNU Objective-C runtime.],
+[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
+ *,objc,*:*:yes:*target-boehm-gc*)
+ AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
+ ;;
+esac])
+
+# Make sure we only build Boehm's garbage collector if required.
+case ,${enable_languages},:${enable_objc_gc} in
+ *,objc,*:yes)
+ # Keep target-boehm-gc if requested for Objective-C.
+ ;;
+ *)
+ # Otherwise remove target-boehm-gc depending on target-libjava.
+ if echo " ${noconfigdirs} " | grep "target-libjava" >/dev/null 2>&1; then
+ noconfigdirs="$noconfigdirs target-boehm-gc"
+ fi
+ ;;
+esac
+
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
# $build_configdirs and $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
stage1_cflags="-g -no-cpp-precomp -DHAVE_DESIGNATED_INITIALIZERS=0"
;;
esac
+
+# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
+if test "$GCC" = yes; then
+ saved_CFLAGS="$CFLAGS"
+
+ # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
+ CFLAGS="$CFLAGS -fkeep-inline-functions"
+ AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
+ AC_TRY_COMPILE(,,
+ [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
+ [AC_MSG_RESULT([no])])
+
+ CFLAGS="$saved_CFLAGS"
+fi
+
AC_SUBST(stage1_cflags)
# Enable -Werror in bootstrap stage2 and later.
esac
AC_SUBST(stage2_werror_flag)
+# Flags needed to enable html installing and building
+AC_ARG_WITH(datarootdir,
+[ --with-datarootdir Use datarootdir as the data root directory.],
+[datarootdir="\${prefix}/${withval}"],
+[datarootdir="\${prefix}/share"])
+
+AC_ARG_WITH(docdir,
+[ --with-docdir Install documentation in this directory.],
+[docdir="\${prefix}/${withval}"],
+[docdir="\${datarootdir}/doc"])
+
+AC_ARG_WITH(htmldir,
+[ --with-htmldir Install html in this directory.],
+[htmldir="\${prefix}/${withval}"],
+[htmldir="\${docdir}"])
+
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+
AC_OUTPUT(Makefile)