mirror of
https://gcc.gnu.org/git/gcc.git
synced 2024-11-26 21:33:59 +08:00
build: libcody: Link with -lsocket -lnsl if necessary [PR98316]
With the introduction of C++20 modules and libcody, cc1plus and cc1objplus gained a dependency on the socket functions. Before those were merged into libc in Solaris 11.4, one needed to link with -lsocket -lnsl on Solaris, so that merge broke the Solaris 11.3 build. While we already have 4 different checks for those libraries in the tree, I decided to import autoconf-archive's AX_LIB_SOCKET_NSL macro instead. At the same time, the patch only links libcody and the networking libs where needed (cc1plus, cc1objplus). Bootstrapped without regressions on i386-pc-solaris2.11 (Solaris 11.3 and 11.4), sparc-sun-solaris2.11, and x86_64-pc-linux-gnu. 2020-12-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> c++tools: PR c++/98316 * configure.ac: Include ../config/ax_lib_socket_nsl.m4. (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * configure: Regenerate. * Makefile.in (NETLIBS): Define. (g++-mapper-server$(exeext)): Add $(NETLIBS). gcc/objcp: PR c++/98316 * Make-lang.in (cc1objplus$(exeext)): Add $(CODYLIB), $(NETLIBS). gcc/cp: PR c++/98316 * Make-lang.in (cc1plus$(exeext)): Add $(CODYLIB), $(NETLIBS). gcc: PR c++/98316 * configure.ac (NETLIBS): Determine using AX_LIB_SOCKET_NSL. * aclocal.m4, configure: Regenerate. * Makefile.in (NETLIBS): Define. (BACKEND): Remove $(CODYLIB). config: PR c++/98316 * ax_lib_socket_nsl.m4: Import from autoconf-archive.
This commit is contained in:
parent
4615cde5d7
commit
a20893cf6b
@ -33,6 +33,7 @@ CXXOPTS := $(CXXFLAGS) $(PIEFLAG) -fno-exceptions -fno-rtti
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LDFLAGS := @LDFLAGS@
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exeext := @EXEEXT@
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LIBIBERTY := ../libiberty/libiberty.a
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NETLIBS := @NETLIBS@
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VERSION.O := ../gcc/version.o
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all::
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@ -90,7 +91,7 @@ MAPPER.O := server.o resolver.o
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CODYLIB = ../libcody/libcody.a
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CXXINC += -I$(srcdir)/../libcody -I$(srcdir)/../include -I$(srcdir)/../gcc -I.
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g++-mapper-server$(exeext): $(MAPPER.O) $(CODYLIB)
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+$(CXX) $(LDFLAGS) $(PIEFLAG) -o $@ $^ $(VERSION.O) $(LIBIBERTY)
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+$(CXX) $(LDFLAGS) $(PIEFLAG) -o $@ $^ $(VERSION.O) $(LIBIBERTY) $(NETLIBS)
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# copy to gcc dir so tests there can run
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all::../gcc/g++-mapper-server$(exeext)
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211
c++tools/configure
vendored
211
c++tools/configure
vendored
@ -622,6 +622,7 @@ ac_includes_default="\
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ac_subst_vars='LTLIBOBJS
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LIBOBJS
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NETLIBS
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get_gcc_base_ver
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EGREP
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GREP
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@ -1703,6 +1704,52 @@ $as_echo "$ac_res" >&6; }
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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} # ac_fn_c_check_header_compile
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# ac_fn_c_try_link LINENO
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# -----------------------
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# Try to link conftest.$ac_ext, and return whether this succeeded.
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ac_fn_c_try_link ()
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{
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as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
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rm -f conftest.$ac_objext conftest$ac_exeext
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if { { ac_try="$ac_link"
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case "(($ac_try" in
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*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
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*) ac_try_echo=$ac_try;;
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esac
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eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
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$as_echo "$ac_try_echo"; } >&5
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(eval "$ac_link") 2>conftest.err
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ac_status=$?
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if test -s conftest.err; then
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grep -v '^ *+' conftest.err >conftest.er1
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cat conftest.er1 >&5
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mv -f conftest.er1 conftest.err
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fi
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; } && {
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test -z "$ac_c_werror_flag" ||
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test ! -s conftest.err
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} && test -s conftest$ac_exeext && {
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test "$cross_compiling" = yes ||
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test -x conftest$ac_exeext
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}; then :
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ac_retval=0
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else
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$as_echo "$as_me: failed program was:" >&5
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sed 's/^/| /' conftest.$ac_ext >&5
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ac_retval=1
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fi
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# Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
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# created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
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# interfere with the next link command; also delete a directory that is
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# left behind by Apple's compiler. We do this before executing the actions.
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rm -rf conftest.dSYM conftest_ipa8_conftest.oo
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eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
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as_fn_set_status $ac_retval
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} # ac_fn_c_try_link
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cat >config.log <<_ACEOF
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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@ -4242,6 +4289,170 @@ fi
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# Solaris needs libsocket and libnsl for socket functions before 11.4.
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# libcody uses those.
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save_LIBS="$LIBS"
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LIBS=
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
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$as_echo_n "checking for library containing gethostbyname... " >&6; }
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if ${ac_cv_search_gethostbyname+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_func_search_save_LIBS=$LIBS
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char gethostbyname ();
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int
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main ()
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{
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return gethostbyname ();
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;
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return 0;
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}
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_ACEOF
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for ac_lib in '' nsl; do
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if test -z "$ac_lib"; then
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ac_res="none required"
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else
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ac_res=-l$ac_lib
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LIBS="-l$ac_lib $ac_func_search_save_LIBS"
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fi
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_search_gethostbyname=$ac_res
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext
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if ${ac_cv_search_gethostbyname+:} false; then :
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break
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fi
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done
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if ${ac_cv_search_gethostbyname+:} false; then :
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else
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ac_cv_search_gethostbyname=no
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fi
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rm conftest.$ac_ext
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LIBS=$ac_func_search_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
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$as_echo "$ac_cv_search_gethostbyname" >&6; }
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ac_res=$ac_cv_search_gethostbyname
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if test "$ac_res" != no; then :
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test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5
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$as_echo_n "checking for library containing socket... " >&6; }
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if ${ac_cv_search_socket+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_func_search_save_LIBS=$LIBS
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char socket ();
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int
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main ()
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{
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return socket ();
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;
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return 0;
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}
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_ACEOF
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for ac_lib in '' socket; do
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if test -z "$ac_lib"; then
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ac_res="none required"
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else
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ac_res=-l$ac_lib
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LIBS="-l$ac_lib $ac_func_search_save_LIBS"
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fi
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_search_socket=$ac_res
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext
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if ${ac_cv_search_socket+:} false; then :
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break
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fi
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done
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if ${ac_cv_search_socket+:} false; then :
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else
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ac_cv_search_socket=no
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fi
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rm conftest.$ac_ext
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LIBS=$ac_func_search_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5
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$as_echo "$ac_cv_search_socket" >&6; }
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ac_res=$ac_cv_search_socket
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if test "$ac_res" != no; then :
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test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
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else
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
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$as_echo_n "checking for socket in -lsocket... " >&6; }
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if ${ac_cv_lib_socket_socket+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_check_lib_save_LIBS=$LIBS
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LIBS="-lsocket -lnsl $LIBS"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char socket ();
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int
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main ()
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{
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return socket ();
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_lib_socket_socket=yes
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else
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ac_cv_lib_socket_socket=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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LIBS=$ac_check_lib_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
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$as_echo "$ac_cv_lib_socket_socket" >&6; }
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if test "x$ac_cv_lib_socket_socket" = xyes; then :
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LIBS="-lsocket -lnsl $LIBS"
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fi
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fi
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NETLIBS="$LIBS"
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LIBS="$save_LIBS"
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ac_config_headers="$ac_config_headers config.h"
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ac_config_files="$ac_config_files Makefile"
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# By default g++ uses an in-process mapper.
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sinclude(../config/acx.m4)
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sinclude(../config/ax_lib_socket_nsl.m4)
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AC_INIT(c++tools)
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@ -218,6 +219,15 @@ fi
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# Determine what GCC version number to use in filesystem paths.
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GCC_BASE_VER
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# Solaris needs libsocket and libnsl for socket functions before 11.4.
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# libcody uses those.
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save_LIBS="$LIBS"
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LIBS=
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AX_LIB_SOCKET_NSL
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NETLIBS="$LIBS"
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LIBS="$save_LIBS"
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AC_SUBST(NETLIBS)
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AC_CONFIG_HEADERS([config.h])
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AC_CONFIG_FILES([Makefile])
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40
config/ax_lib_socket_nsl.m4
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40
config/ax_lib_socket_nsl.m4
Normal file
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# ===========================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_lib_socket_nsl.html
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# ===========================================================================
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#
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# SYNOPSIS
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#
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# AX_LIB_SOCKET_NSL
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#
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# DESCRIPTION
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#
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# This macro figures out what libraries are required on this platform to
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# link sockets programs.
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#
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# The common cases are not to need any extra libraries, or to need
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# -lsocket and -lnsl. We need to avoid linking with libnsl unless we need
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# it, though, since on some OSes where it isn't necessary it will totally
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# break networking. Unisys also includes gethostbyname() in libsocket but
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# needs libnsl for socket().
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#
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# LICENSE
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#
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# Copyright (c) 2008 Russ Allbery <rra@stanford.edu>
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# Copyright (c) 2008 Stepan Kasal <kasal@ucw.cz>
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# Copyright (c) 2008 Warren Young <warren@etr-usa.com>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 7
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AU_ALIAS([LIB_SOCKET_NSL], [AX_LIB_SOCKET_NSL])
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AC_DEFUN([AX_LIB_SOCKET_NSL],
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[
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AC_SEARCH_LIBS([gethostbyname], [nsl])
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AC_SEARCH_LIBS([socket], [socket], [], [
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AC_CHECK_LIB([socket], [socket], [LIBS="-lsocket -lnsl $LIBS"],
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[], [-lnsl])])
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])
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CODYLIB = ../libcody/libcody.a
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CODYINC = -I$(srcdir)/../libcody
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NETLIBS = @NETLIBS@
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# Where to find decNumber
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enable_decimal_float = @enable_decimal_float@
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@ -1729,7 +1730,7 @@ endif
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ALL_HOST_OBJS = $(ALL_HOST_FRONTEND_OBJS) $(ALL_HOST_BACKEND_OBJS)
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BACKEND = libbackend.a main.o libcommon-target.a libcommon.a \
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$(CPPLIB) $(CODYLIB) $(LIBDECNUMBER)
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$(CPPLIB) $(LIBDECNUMBER)
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# This is defined to "yes" if Tree checking is enabled, which roughly means
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# front-end checking.
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1
gcc/aclocal.m4
vendored
1
gcc/aclocal.m4
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@ -18,6 +18,7 @@ m4_include([../ltsugar.m4])
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m4_include([../ltversion.m4])
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m4_include([../lt~obsolete.m4])
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m4_include([../config/acx.m4])
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m4_include([../config/ax_lib_socket_nsl.m4])
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m4_include([../config/cet.m4])
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m4_include([../config/codeset.m4])
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m4_include([../config/depstand.m4])
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gcc/configure
vendored
169
gcc/configure
vendored
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ZSTD_INCLUDE
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DL_LIB
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LDEXP_LIB
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NETLIBS
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EXTRA_GCC_LIBS
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GNAT_LIBEXC
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COLLECT2_LIBS
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@ -9866,6 +9867,170 @@ EXTRA_GCC_LIBS="$LIBS"
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LIBS="$save_LIBS"
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# Solaris needs libsocket and libnsl for socket functions before 11.4.
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# C++ needs those for libcody.
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save_LIBS="$LIBS"
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LIBS=
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5
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$as_echo_n "checking for library containing gethostbyname... " >&6; }
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if ${ac_cv_search_gethostbyname+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_func_search_save_LIBS=$LIBS
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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/* Override any GCC internal prototype to avoid an error.
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Use char because int might match the return type of a GCC
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builtin and then its argument prototype would still apply. */
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#ifdef __cplusplus
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extern "C"
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#endif
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char gethostbyname ();
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int
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main ()
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{
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return gethostbyname ();
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;
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return 0;
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}
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_ACEOF
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for ac_lib in '' nsl; do
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if test -z "$ac_lib"; then
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ac_res="none required"
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else
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ac_res=-l$ac_lib
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LIBS="-l$ac_lib $ac_func_search_save_LIBS"
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fi
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if ac_fn_cxx_try_link "$LINENO"; then :
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ac_cv_search_gethostbyname=$ac_res
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext
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if ${ac_cv_search_gethostbyname+:} false; then :
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break
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fi
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done
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if ${ac_cv_search_gethostbyname+:} false; then :
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else
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ac_cv_search_gethostbyname=no
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fi
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rm conftest.$ac_ext
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LIBS=$ac_func_search_save_LIBS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5
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$as_echo "$ac_cv_search_gethostbyname" >&6; }
|
||||
ac_res=$ac_cv_search_gethostbyname
|
||||
if test "$ac_res" != no; then :
|
||||
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
|
||||
|
||||
fi
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5
|
||||
$as_echo_n "checking for library containing socket... " >&6; }
|
||||
if ${ac_cv_search_socket+:} false; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
ac_func_search_save_LIBS=$LIBS
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char socket ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return socket ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
for ac_lib in '' socket; do
|
||||
if test -z "$ac_lib"; then
|
||||
ac_res="none required"
|
||||
else
|
||||
ac_res=-l$ac_lib
|
||||
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
|
||||
fi
|
||||
if ac_fn_cxx_try_link "$LINENO"; then :
|
||||
ac_cv_search_socket=$ac_res
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext
|
||||
if ${ac_cv_search_socket+:} false; then :
|
||||
break
|
||||
fi
|
||||
done
|
||||
if ${ac_cv_search_socket+:} false; then :
|
||||
|
||||
else
|
||||
ac_cv_search_socket=no
|
||||
fi
|
||||
rm conftest.$ac_ext
|
||||
LIBS=$ac_func_search_save_LIBS
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5
|
||||
$as_echo "$ac_cv_search_socket" >&6; }
|
||||
ac_res=$ac_cv_search_socket
|
||||
if test "$ac_res" != no; then :
|
||||
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
|
||||
|
||||
else
|
||||
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
|
||||
$as_echo_n "checking for socket in -lsocket... " >&6; }
|
||||
if ${ac_cv_lib_socket_socket+:} false; then :
|
||||
$as_echo_n "(cached) " >&6
|
||||
else
|
||||
ac_check_lib_save_LIBS=$LIBS
|
||||
LIBS="-lsocket -lnsl $LIBS"
|
||||
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
|
||||
/* end confdefs.h. */
|
||||
|
||||
/* Override any GCC internal prototype to avoid an error.
|
||||
Use char because int might match the return type of a GCC
|
||||
builtin and then its argument prototype would still apply. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
#endif
|
||||
char socket ();
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return socket ();
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
if ac_fn_cxx_try_link "$LINENO"; then :
|
||||
ac_cv_lib_socket_socket=yes
|
||||
else
|
||||
ac_cv_lib_socket_socket=no
|
||||
fi
|
||||
rm -f core conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
LIBS=$ac_check_lib_save_LIBS
|
||||
fi
|
||||
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
|
||||
$as_echo "$ac_cv_lib_socket_socket" >&6; }
|
||||
if test "x$ac_cv_lib_socket_socket" = xyes; then :
|
||||
LIBS="-lsocket -lnsl $LIBS"
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
|
||||
NETLIBS="$LIBS"
|
||||
LIBS="$save_LIBS"
|
||||
|
||||
|
||||
# Some systems put ldexp and frexp in libm instead of libc; assume
|
||||
# they're both in the same place. jcf-dump needs them.
|
||||
save_LIBS="$LIBS"
|
||||
@ -19237,7 +19402,7 @@ else
|
||||
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
|
||||
lt_status=$lt_dlunknown
|
||||
cat > conftest.$ac_ext <<_LT_EOF
|
||||
#line 19240 "configure"
|
||||
#line 19405 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#if HAVE_DLFCN_H
|
||||
@ -19343,7 +19508,7 @@ else
|
||||
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
|
||||
lt_status=$lt_dlunknown
|
||||
cat > conftest.$ac_ext <<_LT_EOF
|
||||
#line 19346 "configure"
|
||||
#line 19511 "configure"
|
||||
#include "confdefs.h"
|
||||
|
||||
#if HAVE_DLFCN_H
|
||||
|
@ -1333,6 +1333,15 @@ EXTRA_GCC_LIBS="$LIBS"
|
||||
LIBS="$save_LIBS"
|
||||
AC_SUBST(EXTRA_GCC_LIBS)
|
||||
|
||||
# Solaris needs libsocket and libnsl for socket functions before 11.4.
|
||||
# C++ needs those for libcody.
|
||||
save_LIBS="$LIBS"
|
||||
LIBS=
|
||||
AX_LIB_SOCKET_NSL
|
||||
NETLIBS="$LIBS"
|
||||
LIBS="$save_LIBS"
|
||||
AC_SUBST(NETLIBS)
|
||||
|
||||
# Some systems put ldexp and frexp in libm instead of libc; assume
|
||||
# they're both in the same place. jcf-dump needs them.
|
||||
save_LIBS="$LIBS"
|
||||
|
@ -134,7 +134,8 @@ cc1plus-checksum.c : build/genchecksum$(build_exeext) checksum-options \
|
||||
cc1plus$(exeext): $(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(LIBDEPS) $(c++.prev)
|
||||
@$(call LINK_PROGRESS,$(INDEX.c++),start)
|
||||
+$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
|
||||
$(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
|
||||
$(CXX_OBJS) cc1plus-checksum.o $(BACKEND) $(CODYLIB) $(NETLIBS) \
|
||||
$(LIBS) $(BACKENDLIBS)
|
||||
@$(call LINK_PROGRESS,$(INDEX.c++),end)
|
||||
|
||||
ifeq ($(ENABLE_MAINTAINER_RULES), true)
|
||||
|
@ -71,7 +71,8 @@ cc1objplus$(exeext): $(OBJCXX_OBJS) cc1objplus-checksum.o $(BACKEND) \
|
||||
$(LIBDEPS) $(obj-c++.prev)
|
||||
@$(call LINK_PROGRESS,$(INDEX.obj-c++),start)
|
||||
+$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ \
|
||||
$(OBJCXX_OBJS) cc1objplus-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
|
||||
$(OBJCXX_OBJS) cc1objplus-checksum.o $(BACKEND) \
|
||||
$(CODYLIB) $(NETLIBS) $(LIBS) $(BACKENDLIBS)
|
||||
@$(call LINK_PROGRESS,$(INDEX.obj-c++),end)
|
||||
|
||||
# Objective C++ language specific files.
|
||||
|
Loading…
Reference in New Issue
Block a user