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Bug #15548
closedFix MJIT on OpenBSD when GCC is used to compile
Status:
Closed
Assignee:
-
Target version:
-
ruby -v:
ruby 2.7.0dev (2019-01-19 trunk 66868) [x86_64-openbsd]
Description
OpenBSD's GCC compiler has local extensions that break when -nostartfiles -nodefaultlibs -nostdlib
is used. If you leave those flags in, MJIT doesn't work. --jit-verbose=2
output on OpenBSD/amd64 with gcc forced as the compiler shows:
/usr/bin/ld: error: can't create dynamic relocation R_X86_64_PC32 against symbol: __guard_local in readonly segment; recompile object files with -fPIC
>>> defined in /tmp/_ruby_mjit_p43488u28.o
>>> referenced by _ruby_mjit_p43488u28.c
>>> /tmp/_ruby_mjit_p43488u28.o:(_mjit28)
collect2: ld returned 1 exit status
link_o_to_so: link error: 1
or on OpenBSD/powerpc (where GCC is the default system compiler):
Starting process: cc cc -shared -Wfatal-errors -fPIC -shared -w -pipe -O3 -o /tmp/_ruby_mjit_p40346u0.so /tmp/_ruby_mjit_p40346u0.o -L/usr/local/lib -nostartfiles -nodefaultlibs -nostdlib
ruby26:/tmp/_ruby_mjit_p40346u0.so: undefined symbol '__guard_local'
MJIT warning: failure in loading code from '/tmp/_ruby_mjit_p40346u0.so': Cannot load specified object
The attached patch fixes the issue.
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