islinc
poststage1_ldflags
poststage1_libs
-stage1_libs
stage1_ldflags
+stage1_libs
extra_isl_gmp_configure_flags
extra_mpc_mpfr_configure_flags
extra_mpc_gmp_configure_flags
enable_libquadmath_support
enable_libada
enable_libssp
+enable_libstdcxx
enable_static_libjava
enable_bootstrap
with_mpc
with_gmp_include
with_gmp_lib
with_host_libstdcxx
-with_stage1_ldflags
with_stage1_libs
+with_stage1_ldflags
with_boot_libs
with_boot_ldflags
with_cloog
disable libquadmath support for Fortran
--enable-libada build libada directory
--enable-libssp build libssp directory
+ --disable-libstdcxx do not build libstdc++-v3 directory
--enable-static-libjava[=ARG]
build static libjava [default=no]
--enable-bootstrap enable bootstrapping [yes if native build]
--with-gmp-lib=PATH specify directory for the installed GMP library
--with-host-libstdcxx=L use linker arguments L to link with libstdc++ when
linking with PPL
+ --with-stage1-libs=LIBS libraries for stage1
--with-stage1-ldflags=FLAGS
linker flags for stage1
- --with-stage1-libs=LIBS libraries for stage1
--with-boot-libs=LIBS libraries for stage2 and later
--with-boot-ldflags=FLAGS
linker flags for stage2 and later
} # ac_fn_cxx_try_compile
+# ac_fn_cxx_try_link LINENO
+# -------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_link ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ rm -f conftest.$ac_objext conftest$ac_exeext
+ if { { ac_try="$ac_link"
+case "(($ac_try" in
+ *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+ *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+ (eval "$ac_link") 2>conftest.err
+ ac_status=$?
+ if test -s conftest.err; then
+ grep -v '^ *+' conftest.err >conftest.er1
+ cat conftest.er1 >&5
+ mv -f conftest.er1 conftest.err
+ fi
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; } && {
+ test -z "$ac_cxx_werror_flag" ||
+ test ! -s conftest.err
+ } && test -s conftest$ac_exeext && {
+ test "$cross_compiling" = yes ||
+ $as_test_x conftest$ac_exeext
+ }; then :
+ ac_retval=0
+else
+ $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ ac_retval=1
+fi
+ # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+ # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+ # interfere with the next link command; also delete a directory that is
+ # left behind by Apple's compiler. We do this before executing the actions.
+ rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+ eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ return $ac_retval
+
+} # ac_fn_cxx_try_link
+
# ac_fn_c_try_link LINENO
# -----------------------
# Try to link conftest.$ac_ext, and return whether this succeeded.
target-libitm \
target-libstdc++-v3 \
target-libmudflap \
+ target-libsanitizer \
target-libssp \
target-libquadmath \
target-libgfortran \
fi
+# Check whether --enable-libstdcxx was given.
+if test "${enable_libstdcxx+set}" = set; then :
+ enableval=$enable_libstdcxx; ENABLE_LIBSTDCXX=$enableval
+else
+ ENABLE_LIBSTDCXX=default
+fi
+
+if test "${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
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libsanitizer support" >&5
+$as_echo_n "checking for libsanitizer support... " >&6; }
+ if (srcdir=${srcdir}/libsanitizer; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+ noconfigdirs="$noconfigdirs target-libsanitizer"
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+ fi
+ fi
+fi
+
# Disable libquadmath for some systems.
case "${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 "${target}" in
fi
fi
+# Check whether -static-libstdc++ -static-libgcc is supported.
+have_static_libs=no
+if test "$GCC" = yes; then
+ saved_LDFLAGS="$LDFLAGS"
+
+ LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether g++ accepts -static-libstdc++ -static-libgcc" >&5
+$as_echo_n "checking whether g++ accepts -static-libstdc++ -static-libgcc... " >&6; }
+ ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+#error -static-libstdc++ not implemented
+#endif
+int main() {}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }; have_static_libs=yes
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+ LDFLAGS="$saved_LDFLAGS"
+fi
+
;;
esac
-# Linker flags to use for stage1 or when not boostrapping.
+# Libraries to use for stage1 or when not bootstrapping.
-# Check whether --with-stage1-ldflags was given.
-if test "${with_stage1_ldflags+set}" = set; then :
- withval=$with_stage1_ldflags; if test "$withval" = "no" -o "$withval" = "yes"; then
- stage1_ldflags=
+# Check whether --with-stage1-libs was given.
+if test "${with_stage1_libs+set}" = set; then :
+ withval=$with_stage1_libs; if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_libs=
else
- stage1_ldflags=$withval
+ stage1_libs=$withval
fi
else
- stage1_ldflags=
+ stage1_libs=$with_host_libstdcxx
fi
-# Libraries to use for stage1 or when not bootstrapping.
+# Linker flags to use for stage1 or when not bootstrapping.
-# Check whether --with-stage1-libs was given.
-if test "${with_stage1_libs+set}" = set; then :
- withval=$with_stage1_libs; if test "$withval" = "no" -o "$withval" = "yes"; then
- stage1_libs=
+# Check whether --with-stage1-ldflags was given.
+if test "${with_stage1_ldflags+set}" = set; then :
+ withval=$with_stage1_ldflags; if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_ldflags=
else
- stage1_libs=$withval
+ stage1_ldflags=$withval
fi
else
- stage1_libs=$with_host_libstdcxx
+ stage1_ldflags=
+ # In stage 1, default to linking libstdc++ and libgcc statically with GCC
+ # if supported. But if the user explicitly specified the libraries to use,
+ # trust that they are doing what they want.
+ if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ stage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi
fi
*" --with-newlib "*)
case "$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