with_gmp_include
with_gmp_lib
with_stage1_libs
+with_static_standard_libraries
with_stage1_ldflags
with_boot_libs
with_boot_ldflags
--with-gmp-include=PATH specify directory for installed GMP include files
--with-gmp-lib=PATH specify directory for the installed GMP library
--with-stage1-libs=LIBS libraries for stage1
+ --with-static-standard-libraries
+ use -static-libstdc++ and -static-libgcc
+ (default=auto)
--with-stage1-ldflags=FLAGS
linker flags for stage1
--with-boot-libs=LIBS libraries for stage2 and later
# these libraries are used by various programs built for the host environment
#f
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
target-libobjc \
target-libada \
target-libgo \
- target-libphobos"
+ target-libphobos \
+ target-zlib"
# these tools are built using the target libraries, and are intended to
# run only in the target environment
# No hosted I/O support.
noconfigdirs="$noconfigdirs target-libssp"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
powerpc-*-aix* | rs6000-*-aix*)
noconfigdirs="$noconfigdirs target-libssp"
;;
+ pru-*-*)
+ # No hosted I/O support.
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
rl78-*-*)
# libssp uses a misaligned load to trigger a fault, but the RL78
# doesn't fault for those - instead, it gives a build-time error
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
ft32-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
esac
fi
+# Disable C++ on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=c++.
+case ,${enable_languages}, in
+ *,c++,*)
+ ;;
+ *)
+ case "${target}" in
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages c++"
+ ;;
+ esac
+ ;;
+esac
+
+# Disable Objc on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=objc.
+case ,${enable_languages}, in
+ *,objc,*)
+ ;;
+ *)
+ case "${target}" in
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages objc"
+ ;;
+ esac
+ ;;
+esac
+
# Disable D on systems where it is known to not work.
# For testing, you can override this with --enable-languages=d.
case ,${enable_languages}, in
;;
*)
case "${target}" in
- *-*-darwin* | *-*-cygwin* | *-*-mingw*)
+ *-*-darwin*)
+ unsupported_languages="$unsupported_languages d"
+ ;;
+ bpf-*-*)
unsupported_languages="$unsupported_languages d"
;;
esac
$as_echo_n "checking for libphobos support... " >&6; }
if (srcdir=${srcdir}/libphobos; \
. ${srcdir}/configure.tgt; \
- test -n "$UNSUPPORTED")
+ test "$LIBPHOBOS_SUPPORTED" != "yes")
then
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
$as_echo "no" >&6; }
# See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
unsupported_languages="$unsupported_languages fortran"
;;
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages fortran"
+ ;;
esac
# Disable libffi for some systems.
arm*-*-symbianelf*)
noconfigdirs="$noconfigdirs target-libffi"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libffi"
+ ;;
cris-*-* | crisv32-*-*)
case "${target}" in
*-*-linux*)
# Disable the go frontend on systems where it is known to not work. Please keep
# this in sync with contrib/config-list.mk.
case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw*)
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
unsupported_languages="$unsupported_languages go"
;;
esac
*-*-cygwin* | *-*-mingw*)
noconfigdirs="$noconfigdirs target-libgo"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
esac
fi
powerpc*-*-*)
libgloss_dir=rs6000
;;
+ pru-*-*)
+ libgloss_dir=pru
+ ;;
sparc*-*-*)
libgloss_dir=sparc
;;
sparc-*-sunos4*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
*-*-aix*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
# newlib is not 64 bit ready
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
+ ;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
main ()
{
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
+ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
choke me
#endif
main ()
{
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
+ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
choke me
#endif
int t;
mpfr_init (n);
mpfr_init (x);
- mpfr_atan2 (n, n, x, GMP_RNDN);
- mpfr_erfc (n, x, GMP_RNDN);
- mpfr_subnormalize (x, t, GMP_RNDN);
+ mpfr_atan2 (n, n, x, MPFR_RNDN);
+ mpfr_erfc (n, x, MPFR_RNDN);
+ mpfr_subnormalize (x, t, MPFR_RNDN);
mpfr_clear(n);
mpfr_clear(x);
mpc_init2 (c, 53);
# The library versions listed in the error message below should match
# the HARD-minimums enforced above.
if test x$have_gmp != xyes; then
- as_fn_error $? "Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
+ as_fn_error $? "Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at
-ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
+https://gcc.gnu.org/pub/gcc/infrastructure/. See also
http://gcc.gnu.org/install/prerequisites.html for additional info. If
you obtained GMP, MPFR and/or MPC from a vendor distribution package,
make sure that you have installed both the libraries and the header
+# Whether or not to use -static-libstdc++ and -static-libgcc. The
+# default is yes if gcc is being built; no otherwise. The reason for
+# this default is that gdb is sometimes linked against GNU Source
+# Highlight, which is a shared library that uses C++ exceptions. In
+# this case, -static-libstdc++ will cause crashes.
+
+# Check whether --with-static-standard-libraries was given.
+if test "${with_static_standard_libraries+set}" = set; then :
+ withval=$with_static_standard_libraries;
+else
+ with_static_standard_libraries=auto
+fi
+
+if test "$with_static_standard_libraries" = auto; then
+ with_static_standard_libraries=$have_compiler
+fi
+
# Linker flags to use for stage1 or when not bootstrapping.
# Check whether --with-stage1-ldflags was given.
# In stage 1, default to linking libstdc++ and libgcc statically with GCC
# if supported. But if the user explicitly specified the libraries to use,
# trust that they are doing what they want.
- if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
+ -a "$have_static_libs" = yes; then
stage1_ldflags="-static-libstdc++ -static-libgcc"
fi
fi
CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
+# gdb depends on gnulib, but as nothing else does, only include it if
+# gdb is built.
+if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then
+ # The Makefile provides the ordering, so it's enough here to add
+ # gnulib to the list.
+ configdirs="${configdirs} gnulib"
+fi
+
# Strip out unwanted targets.
# While at that, we remove Makefiles if we were started for recursive