From 85d7b5d5c5b7d1f104ed4dc2715161af433dc623 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Thu, 15 Jan 2015 21:10:09 +0000 Subject: [PATCH] configure.ac: Check for networking libraries; see NET_LIBS. * configure.ac: Check for networking libraries; see NET_LIBS. * Makefile.am (go$(EXEEXT)): Link against NET_LIBS. (gofmt$(EXEEXT), cgo$(EXEEXT)): Likewise. * configure, Makefile.in: Rebuild. From-SVN: r219690 --- gotools/ChangeLog | 7 ++ gotools/Makefile.am | 6 +- gotools/Makefile.in | 7 +- gotools/configure | 232 +++++++++++++++++++++++++++++++++++++++++++ gotools/configure.ac | 31 ++++++ 5 files changed, 277 insertions(+), 6 deletions(-) diff --git a/gotools/ChangeLog b/gotools/ChangeLog index cc3af21243d..5746d2c725f 100644 --- a/gotools/ChangeLog +++ b/gotools/ChangeLog @@ -1,3 +1,10 @@ +2015-01-15 Ian Lance Taylor + + * configure.ac: Check for networking libraries; see NET_LIBS. + * Makefile.am (go$(EXEEXT)): Link against NET_LIBS. + (gofmt$(EXEEXT), cgo$(EXEEXT)): Likewise. + * configure, Makefile.in: Rebuild. + 2015-01-14 Ian Lance Taylor * Makefile.am (go_cmd_go_files): Sort entries. Add generate.go. diff --git a/gotools/Makefile.am b/gotools/Makefile.am index 5f129f89df9..41802efb891 100644 --- a/gotools/Makefile.am +++ b/gotools/Makefile.am @@ -108,11 +108,11 @@ bin_PROGRAMS = go$(EXEEXT) gofmt$(EXEEXT) libexecsub_PROGRAMS = cgo$(EXEEXT) go$(EXEEXT): $(go_cmd_go_files) zdefaultcc.go $(LIBGODEP) - $(GOLINK) $(go_cmd_go_files) zdefaultcc.go + $(GOLINK) $(go_cmd_go_files) zdefaultcc.go $(NET_LIBS) gofmt$(EXEEXT): $(go_cmd_gofmt_files) $(LIBGODEP) - $(GOLINK) $(go_cmd_gofmt_files) + $(GOLINK) $(go_cmd_gofmt_files) $(NET_LIBS) cgo$(EXEEXT): $(go_cmd_cgo_files) zdefaultcc.go $(LIBGODEP) - $(GOLINK) $(go_cmd_cgo_files) zdefaultcc.go + $(GOLINK) $(go_cmd_cgo_files) zdefaultcc.go $(NET_LIBS) else diff --git a/gotools/Makefile.in b/gotools/Makefile.in index 20458bdf9b0..295c68d9844 100644 --- a/gotools/Makefile.in +++ b/gotools/Makefile.in @@ -122,6 +122,7 @@ LTLIBOBJS = @LTLIBOBJS@ MAINT = @MAINT@ MAKEINFO = @MAKEINFO@ MKDIR_P = @MKDIR_P@ +NET_LIBS = @NET_LIBS@ OBJEXT = @OBJEXT@ PACKAGE = @PACKAGE@ PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ @@ -589,11 +590,11 @@ s-zdefaultcc: Makefile $(STAMP) $@ @NATIVE_TRUE@go$(EXEEXT): $(go_cmd_go_files) zdefaultcc.go $(LIBGODEP) -@NATIVE_TRUE@ $(GOLINK) $(go_cmd_go_files) zdefaultcc.go +@NATIVE_TRUE@ $(GOLINK) $(go_cmd_go_files) zdefaultcc.go $(NET_LIBS) @NATIVE_TRUE@gofmt$(EXEEXT): $(go_cmd_gofmt_files) $(LIBGODEP) -@NATIVE_TRUE@ $(GOLINK) $(go_cmd_gofmt_files) +@NATIVE_TRUE@ $(GOLINK) $(go_cmd_gofmt_files) $(NET_LIBS) @NATIVE_TRUE@cgo$(EXEEXT): $(go_cmd_cgo_files) zdefaultcc.go $(LIBGODEP) -@NATIVE_TRUE@ $(GOLINK) $(go_cmd_cgo_files) zdefaultcc.go +@NATIVE_TRUE@ $(GOLINK) $(go_cmd_cgo_files) zdefaultcc.go $(NET_LIBS) # For a non-native build we have to build the programs using a # previously built host (or build -> host) Go compiler. We should diff --git a/gotools/configure b/gotools/configure index 5cb16552819..bc9332e1ed2 100755 --- a/gotools/configure +++ b/gotools/configure @@ -555,6 +555,7 @@ ac_subst_vars='am__EXEEXT_FALSE am__EXEEXT_TRUE LTLIBOBJS LIBOBJS +NET_LIBS NATIVE_FALSE NATIVE_TRUE GOCFLAGS @@ -1423,6 +1424,119 @@ fi return $ac_retval } # ac_fn_c_try_compile + +# ac_fn_c_try_link LINENO +# ----------------------- +# Try to link conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_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_c_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 $ac_retval + +} # ac_fn_c_try_link + +# ac_fn_c_check_func LINENO FUNC VAR +# ---------------------------------- +# Tests whether FUNC exists, setting the cache variable VAR accordingly +ac_fn_c_check_func () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +/* Define $2 to an innocuous variant, in case declares $2. + For example, HP-UX 11i declares gettimeofday. */ +#define $2 innocuous_$2 + +/* System header to define __stub macros and hopefully few prototypes, + which can conflict with char $2 (); below. + Prefer to if __STDC__ is defined, since + exists even on freestanding compilers. */ + +#ifdef __STDC__ +# include +#else +# include +#endif + +#undef $2 + +/* 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 $2 (); +/* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named + something starting with __ and the normal name is an alias. */ +#if defined __stub_$2 || defined __stub___$2 +choke me +#endif + +int +main () +{ +return $2 (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + eval "$3=yes" +else + eval "$3=no" +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;} + +} # ac_fn_c_check_func cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -3675,6 +3789,124 @@ else fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socket libraries" >&5 +$as_echo_n "checking for socket libraries... " >&6; } +if test "${gotools_cv_lib_sockets+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + gotools_cv_lib_sockets= + gotools_check_both=no + ac_fn_c_check_func "$LINENO" "connect" "ac_cv_func_connect" +if test "x$ac_cv_func_connect" = x""yes; then : + gotools_check_socket=no +else + gotools_check_socket=yes +fi + + if test "$gotools_check_socket" = "yes"; then + unset ac_cv_func_connect + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lsocket" >&5 +$as_echo_n "checking for main in -lsocket... " >&6; } +if test "${ac_cv_lib_socket_main+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lsocket $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ +return main (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_socket_main=yes +else + ac_cv_lib_socket_main=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_main" >&5 +$as_echo "$ac_cv_lib_socket_main" >&6; } +if test "x$ac_cv_lib_socket_main" = x""yes; then : + gotools_cv_lib_sockets="-lsocket" +else + gotools_check_both=yes +fi + + fi + if test "$gotools_check_both" = "yes"; then + gotools_old_libs=$LIBS + LIBS="$LIBS -lsocket -lnsl" + unset ac_cv_func_accept + ac_fn_c_check_func "$LINENO" "accept" "ac_cv_func_accept" +if test "x$ac_cv_func_accept" = x""yes; then : + gotools_check_nsl=no + gotools_cv_lib_sockets="-lsocket -lnsl" +fi + + unset ac_cv_func_accept + LIBS=$gotools_old_libs + fi + unset ac_cv_func_gethostbyname + gotools_old_libs="$LIBS" + ac_fn_c_check_func "$LINENO" "gethostbyname" "ac_cv_func_gethostbyname" +if test "x$ac_cv_func_gethostbyname" = x""yes; then : + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lnsl" >&5 +$as_echo_n "checking for main in -lnsl... " >&6; } +if test "${ac_cv_lib_nsl_main+set}" = set; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lnsl $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ +return main (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_nsl_main=yes +else + ac_cv_lib_nsl_main=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_main" >&5 +$as_echo "$ac_cv_lib_nsl_main" >&6; } +if test "x$ac_cv_lib_nsl_main" = x""yes; then : + gotools_cv_lib_sockets="$gotools_cv_lib_sockets -lnsl" +fi + +fi + + unset ac_cv_func_gethostbyname + LIBS=$gotools_old_libs + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gotools_cv_lib_sockets" >&5 +$as_echo "$gotools_cv_lib_sockets" >&6; } +NET_LIBS="$gotools_cv_lib_sockets" + + ac_config_files="$ac_config_files Makefile" diff --git a/gotools/configure.ac b/gotools/configure.ac index ddc26fbcbe5..24f4498d279 100644 --- a/gotools/configure.ac +++ b/gotools/configure.ac @@ -48,6 +48,37 @@ AC_PROG_GO AM_CONDITIONAL(NATIVE, test "$cross_compiling" = no) +dnl Test for -lsocket and -lnsl. Copied from libjava/configure.ac. +AC_CACHE_CHECK([for socket libraries], gotools_cv_lib_sockets, + [gotools_cv_lib_sockets= + gotools_check_both=no + AC_CHECK_FUNC(connect, gotools_check_socket=no, gotools_check_socket=yes) + if test "$gotools_check_socket" = "yes"; then + unset ac_cv_func_connect + AC_CHECK_LIB(socket, main, gotools_cv_lib_sockets="-lsocket", + gotools_check_both=yes) + fi + if test "$gotools_check_both" = "yes"; then + gotools_old_libs=$LIBS + LIBS="$LIBS -lsocket -lnsl" + unset ac_cv_func_accept + AC_CHECK_FUNC(accept, + [gotools_check_nsl=no + gotools_cv_lib_sockets="-lsocket -lnsl"]) + unset ac_cv_func_accept + LIBS=$gotools_old_libs + fi + unset ac_cv_func_gethostbyname + gotools_old_libs="$LIBS" + AC_CHECK_FUNC(gethostbyname, , + [AC_CHECK_LIB(nsl, main, + [gotools_cv_lib_sockets="$gotools_cv_lib_sockets -lnsl"])]) + unset ac_cv_func_gethostbyname + LIBS=$gotools_old_libs +]) +NET_LIBS="$gotools_cv_lib_sockets" +AC_SUBST(NET_LIBS) + AC_CONFIG_FILES(Makefile) AC_OUTPUT -- 2.30.2