Reproduction: - Use ruby-3.4.2-1 (test) - Install gem containing native libraries
``` $ uname -srvmpio CYGWIN_NT-10.0-22000 3.5.7-1.x86_64 2025-01-29 19:46 UTC x86_64 unknown unknown Cygwin $ ruby -v ruby 3.4.2 (2025-02-15 revision d2930f8e7a) +PRISM [x86_64-cygwin] $ gem -v 3.5.11 $ cd /tmp $ git clone https://cygwin.com/git/cygwin-packages/ruby-debug_inspector # Any gem that contains native libraries $ cd ruby-debug_inspector $ cygport ruby-debug_inspector.cygport fetch prep compile # preparation $ cygport ruby-debug_inspector.cygport install : ``` The process spawned inside `gem install` seems to raise SIGSEGV internally and exits. ``` $ gdb /usr/bin/ruby : (gdb) run /usr/bin/gem install -V --local --ignore-dependencies --document=rdoc,ri --build-root /tmp/ruby-debug_inspector/ruby-debug_inspector-1.1.0-1.x86_64/inst --install-dir /usr/share/gems --bindir /usr/bin debug_inspector-1.1.0.gem # https://github.com/cygwin/cygport/blob/0.36.9/cygclass/rubygem.cygclass#L134 : : Building native extensions. This could take a while... current directory: /tmp/ruby-debug_inspector/ruby-debug_inspector-1.1.0-1.x86_64/inst/usr/share/gems/gems/debug_inspector-1.1.0/ext/debug_inspector ["/usr/bin/ruby.exe", "-I/usr/share/rubygems", "extconf.rb"] [New Thread 3600.0x23a0] [New Thread 3600.0x1278] [New Thread 3600.0x2794] creating Makefile Thread 11 "ruby" received signal SIGSEGV, Segmentation fault. [Switching to Thread 3600.0x1278] 0x0000000000000000 in ?? () (gdb) info threads Id Target Id Frame 1 Thread 3600.0x2430 "ruby" st_locale_insensitive_strcasecmp_i (lhs=18210721222, rhs=42950350928) at /usr/src/debug/ruby-3.4.2-1/st.c:2064 2 Thread 3600.0x13b4 0x00007ff9f50fecd4 in ?? () 3 Thread 3600.0x18bc 0x00007ff9f50fecd4 in ?? () 4 Thread 3600.0x8b4 0x00007ff9f50fecd4 in ?? () 5 Thread 3600.0x1a0c "sig" 0x00007ff9f50f5954 in ?? () 6 Thread 3600.0x1ac "ruby" 0x00007ff9f50f73e4 in ?? () 7 Thread 3600.0x1c3c "pipesel" 0x00007ff9f50f73e4 in ?? () 8 Thread 3600.0x1844 0x00007ff9f50fecd4 in ?? () 9 Thread 3600.0x2668 0x00007ff9f50fecd4 in ?? () 10 Thread 3600.0x23a0 "waitproc" 0x00007ff9f50f58b4 in ?? () * 11 Thread 3600.0x1278 "ruby" 0x0000000000000000 in ?? () 12 Thread 3600.0x2794 "pipesel" 0x00007ff9f50f58b4 in ?? () ``` SIGSEGV seems to occur inside the cygwin DLL. This problem also occurs with ruby-3.3.2-3 (test). We have confirmed that it also occurs in cygwin-3.6. -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
