target-libitm \
target-libstdc++-v3 \
target-libmudflap \
+ target-libsanitizer \
target-libssp \
target-libquadmath \
target-libgfortran \
is_elf=no
case "${target}" in
*-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
- | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+ | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
| *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
- | *-*-solaris2* | *-*-nto*)
+ | *-*-solaris2* | *-*-nto* | *-*-nacl*)
case "${target}" in
*-*-linux*aout* | *-*-linux*oldld*)
;;
ENABLE_LIBSSP=$enableval,
ENABLE_LIBSSP=yes)
+AC_ARG_ENABLE(libstdcxx,
+AS_HELP_STRING([--disable-libstdcxx],
+ [do not build libstdc++-v3 directory]),
+ENABLE_LIBSTDCXX=$enableval,
+ENABLE_LIBSTDCXX=default)
+[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
+ noconfigdirs="$noconfigdirs libstdc++-v3"
+fi]
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
fi
fi
+# Disable libsanitizer on unsupported systems.
+if test -d ${srcdir}/libsanitizer; then
+ if test x$enable_libsanitizer = x; then
+ AC_MSG_CHECKING([for libsanitizer support])
+ if (srcdir=${srcdir}/libsanitizer; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libsanitizer"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable libquadmath for some systems.
case "${target}" in
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libquadmath"
+ ;;
# libquadmath is unused on AIX and libquadmath build process use of
# LD_LIBRARY_PATH can break AIX bootstrap.
powerpc-*-aix* | rs6000-*-aix*)
;;
esac
-# Disable libquadmath for some systems.
-case "${target}" in
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libquadmath"
- ;;
-esac
-
# Disable libstdc++-v3 for some systems.
-case "${target}" in
- *-*-vxworks*)
- # VxWorks uses the Dinkumware C++ library.
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
- arm*-wince-pe*)
- # the C++ libraries don't build on top of CE's C libraries
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
- ;;
-esac
+# Allow user to override this if they pass --enable-libstdc++-v3
+if test "${ENABLE_LIBSTDCXX}" = "default" ; then
+ case "${target}" in
+ *-*-vxworks*)
+ # VxWorks uses the Dinkumware C++ library.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ arm*-wince-pe*)
+ # the C++ libraries don't build on top of CE's C libraries
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ esac
+fi
# Disable Fortran for some systems.
case "${target}" in
m68k-apollo-*)
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
;;
+ mbtumbl*)
+ noconfigdirs="$noconfigdirs gprof"
+ ;;
microblaze*)
noconfigdirs="$noconfigdirs gprof"
;;
fi
fi
+# Check whether -static-libstdc++ -static-libgcc is supported.
+have_static_libs=no
+if test "$GCC" = yes; then
+ saved_LDFLAGS="$LDFLAGS"
+
+ LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
+ AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
+ AC_LANG_PUSH(C++)
+ AC_LINK_IFELSE([
+#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+#error -static-libstdc++ not implemented
+#endif
+int main() {}],
+ [AC_MSG_RESULT([yes]); have_static_libs=yes],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP(C++)
+
+ LDFLAGS="$saved_LDFLAGS"
+fi
+
ACX_PROG_GNAT
ACX_PROG_CMP_IGNORE_INITIAL
;;
esac
-# Linker flags to use for stage1 or when not boostrapping.
-AC_ARG_WITH(stage1-ldflags,
-[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
-[if test "$withval" = "no" -o "$withval" = "yes"; then
- stage1_ldflags=
- else
- stage1_ldflags=$withval
- fi],
-[stage1_ldflags=])
-AC_SUBST(stage1_ldflags)
-
# Libraries to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-libs,
[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
[stage1_libs=$with_host_libstdcxx])
AC_SUBST(stage1_libs)
+# Linker flags to use for stage1 or when not bootstrapping.
+AC_ARG_WITH(stage1-ldflags,
+[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_ldflags=
+ else
+ stage1_ldflags=$withval
+ fi],
+[stage1_ldflags=
+ # In stage 1, default to linking libstdc++ and libgcc statically with GCC
+ # if supported. But if the user explicitly specified the libraries to use,
+ # trust that they are doing what they want.
+ if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ stage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi])
+AC_SUBST(stage1_ldflags)
+
# Libraries to use for stage2 and later builds. This defaults to the
# argument passed to --with-host-libstdcxx.
AC_ARG_WITH(boot-libs,
;;
esac
-# Disable libitm if we're not building C++
+# Disable libitm and libsanitizer if we're not building C++
case ,${enable_languages}, in
*,c++,*) ;;
*)
- noconfigdirs="$noconfigdirs target-libitm"
+ noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
;;
esac
bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
fi
+# If we are building libsanitizer, bootstrap it.
+if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
+ bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
+fi
+
# 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!
*" --with-newlib "*)
case "$target" in
*-cygwin*)
- FLAGS_FOR_TARGET=$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'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
;;
esac
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
- [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
c++)
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
[gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
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