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Bug #10656

closed

mkmf have_func fails if Ruby is compiled with static libruby

Added by hongli (Hongli Lai) over 6 years ago. Updated over 6 years ago.

Status:
Third Party's Issue
Priority:
Normal
Assignee:
-
Target version:
[ruby-core:67152]

Description

If Ruby is compiled with static libruby, then mkmf have_func calls will fail. This is because have_func tries to compile a binary, passing -lruby-static to the compiler. However this fails because binary also needs to be linked to a bunch of libraries that ruby-static.a depends on, such as -lm, -lrt, -ldl etc.

See Phusion Passenger bug 1314 comment 68140592 for details and for an mkmf.log. Users who have a static libruby are unable to use the Phusion Passenger native extension, because a have_func('rb_thread_call_without_gvl') failed where it should have succeeded.

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