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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2022-09-17 12:09:34 +0900 |
|---|---|---|
| committer | usa <usa@garbagecollect.jp> | 2022-10-01 15:58:25 +0900 |
| commit | 2ae567acab101b4b89522084898fdae0302bb527 (patch) | |
| tree | 14cacd64d492a31fd0cb02a4c2afee397af7937a | |
| parent | 45c2fd9e3e93b88f84cb559d3bdc3a3b9f62f0b3 (diff) | |
| download | ruby-2ae567acab101b4b89522084898fdae0302bb527.tar.gz | |
[Bug #19005] dynamic_lookup linker option in external libraries
The warning against `-undefined dynamic_lookup` is just a warning yet,
and many gems seem to pay no attention to warnings. Until it fails
actually, keep it as a migration path, except for standard extension
libraries and bundled extension gems.
| -rw-r--r-- | configure.ac | 22 | ||||
| -rw-r--r-- | lib/mkmf.rb | 1 |
2 files changed, 18 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index fd79f48e22..158924a875 100644 --- a/configure.ac +++ b/configure.ac @@ -2884,14 +2884,26 @@ AS_IF([test "$with_dln_a_out" != yes], [ AS_IF([test "$rb_cv_dlopen" = yes], [ AS_CASE(["$target_os"], [darwin*], [ + AC_SUBST(ADDITIONAL_DLDFLAGS, "") for flag in \ "-multiply_defined suppress" \ + "-undefined dynamic_lookup" \ ; do - test "x${linker_flag}" = x || flag="${linker_flag}`echo ${flag} | tr ' ' ,`" - RUBY_TRY_LDFLAGS([$flag], [], [flag=]) - AS_IF([test "x$flag" != x], [ - RUBY_APPEND_OPTIONS(DLDFLAGS, [$flag]) - ]) + test "x${linker_flag}" = x || flag="${linker_flag}`echo ${flag} | tr ' ' ,`" + RUBY_TRY_LDFLAGS([$flag], [], [$flag=]) + AS_IF([test x"$flag" = x], [continue]) + + AC_MSG_CHECKING([whether $flag is accepted for bundle]) + : > conftest.c + AS_IF([${LDSHARED/'$(CC)'/$CC} -o conftest.bundle $flag conftest.c >/dev/null 2>conftest.err && + test ! -s conftest.err], [ + AC_MSG_RESULT([yes]) + RUBY_APPEND_OPTIONS(DLDFLAGS, [$flag]) + ], [ + AC_MSG_RESULT([no]) + RUBY_APPEND_OPTIONS(ADDITIONAL_DLDFLAGS, [$flag]) + ]) + rm -fr conftest.* done ]) ]) diff --git a/lib/mkmf.rb b/lib/mkmf.rb index 9435404584..66f2960cb8 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -2557,6 +2557,7 @@ site-install-rb: install-rb $INCFLAGS << " -I$(hdrdir)/ruby/backward" unless $extmk $INCFLAGS << " -I$(hdrdir) -I$(srcdir)" $DLDFLAGS = with_config("dldflags", arg_config("DLDFLAGS", config["DLDFLAGS"])).dup + config_string("ADDITIONAL_DLDFLAGS") {|flags| $DLDFLAGS << " " << flags} unless $extmk $LIBEXT = config['LIBEXT'].dup $OBJEXT = config["OBJEXT"].dup $EXEEXT = config["EXEEXT"].dup |