Daisuke Fujimura (fd0)

Use ubf list on cygwin as on other platforms. This allows test_io to pass. - https://bugs.ruby-lang.org/issues/4957 - https://bugs.ruby-lang.org/issues/5055 - https://bugs.ruby-lang.org/issues/7781 - https://bugs.ruby-lang.org/issues/15465 - https://bugs.ruby-lang.org/issues/17996 Cygwin appears to support SIGVTALRM. -...

1.7.1: self test failures on Cygwin

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### Reproduction steps ``` $ wget https://github.com/libgit2/libgit2/archive/refs/tags/v1.7.1.tar.gz $ tar xf v1.7.1.tar.gz $ cd libgit2-1.7.1 $ cmake -G Ninja -DBUILD_CLI:BOOL=OFF -DBUILD_EXAMPLES:BOOL=ON -DREGEX_BACKEND:STRING=pcre2 -DUSE_SSH:BOOL=ON . $ ninja $ ninja test ``` https://github.com/cygwin/scallywag/actions/runs/6831370933/job/18580898875...

``` $ uname -srvmpio CYGWIN_NT-10.0-22000 3.5.3-1.x86_64 2024-04-03 17:25 UTC x86_64 unknown unknown Cygwin $ cd /tmp $ git clone https://github.com/microsoft/mimalloc.git $ cd mimalloc $ cmake -DMI_BUILD_STATIC:BOOL=OFF -DMI_BUILD_OBJECT:BOOL=OFF -DMI_INSTALL_TOPLEVEL:BOOL=ON . $...

``` $ git clone https://github.com/microsoft/mimalloc.git $ cd mimalloc $ mkdir build $ cmake -DMI_BUILD_STATIC:BOOL=OFF .. $ make : [ 78%] Linking C executable mimalloc-test-api ld: library 'mimalloc-static' not found clang:...

Fix building with enabling ssl on cygwin

1

``` $ uname -srvmpio CYGWIN_NT-10.0-22000-ARM64 3.6.3-1.x86_64 2025-06-05 11:45 UTC x86_64 unknown unknown Cygwin $ cd /tmp $ git clone https://github.com/redis/hiredis.git $ cd hiredis $ cmake -DENABLE_SSL:BOOL=ON . $ make :...

``` $ uname -srvmpio CYGWIN_NT-10.0-22000-ARM64 3.6.3-1.x86_64 2025-06-05 11:45 UTC x86_64 unknown unknown Cygwin $ cd /tmp $ git clone https://github.com/bakulf/libmrss.git $ cd libmrss $ ./autogen.sh $ ./configure --enable-shared --disable-static $...