gem install sassc
Building native extensions. This could take a while...
ERROR:  Error installing sassc:
	ERROR: Failed to build gem native extension.

    current directory: D:/jruby-head/lib/ruby/gems/shared/gems/sassc-2.4.0/ext
D:/jruby-head/bin/jruby.exe extconf.rb
creating Makefile

current directory: D:/jruby-head/lib/ruby/gems/shared/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20250212-744-b2t36v sitelibdir\=./.gem.20250212-744-b2t36v clean

current directory: D:/jruby-head/lib/ruby/gems/shared/gems/sassc-2.4.0/ext
make DESTDIR\= sitearchdir\=./.gem.20250212-744-b2t36v sitelibdir\=./.gem.20250212-744-b2t36v
compiling ./libsass/src/ast.cpp
compiling ./libsass/src/ast2c.cpp
compiling ./libsass/src/ast_fwd_decl.cpp
compiling ./libsass/src/ast_sel_cmp.cpp
compiling ./libsass/src/ast_sel_super.cpp
compiling ./libsass/src/ast_sel_unify.cpp
compiling ./libsass/src/ast_sel_weave.cpp
compiling ./libsass/src/ast_selectors.cpp
compiling ./libsass/src/ast_supports.cpp
compiling ./libsass/src/ast_values.cpp
compiling ./libsass/src/backtrace.cpp
compiling ./libsass/src/base64vlq.cpp
compiling ./libsass/src/bind.cpp
compiling ./libsass/src/c2ast.cpp
compiling ./libsass/src/c99func.c
compiling ./libsass/src/cencode.c
compiling ./libsass/src/check_nesting.cpp
compiling ./libsass/src/color_maps.cpp
compiling ./libsass/src/constants.cpp
compiling ./libsass/src/context.cpp
compiling ./libsass/src/cssize.cpp
compiling ./libsass/src/emitter.cpp
compiling ./libsass/src/environment.cpp
compiling ./libsass/src/error_handling.cpp
compiling ./libsass/src/eval.cpp
compiling ./libsass/src/eval_selectors.cpp
compiling ./libsass/src/expand.cpp
compiling ./libsass/src/extender.cpp
compiling ./libsass/src/extension.cpp
compiling ./libsass/src/file.cpp
compiling ./libsass/src/fn_colors.cpp
compiling ./libsass/src/fn_lists.cpp
compiling ./libsass/src/fn_maps.cpp
compiling ./libsass/src/fn_miscs.cpp
compiling ./libsass/src/fn_numbers.cpp
compiling ./libsass/src/fn_selectors.cpp
compiling ./libsass/src/fn_strings.cpp
compiling ./libsass/src/fn_utils.cpp
compiling ./libsass/src/inspect.cpp
compiling ./libsass/src/json.cpp
compiling ./libsass/src/lexer.cpp
compiling ./libsass/src/listize.cpp
compiling ./libsass/src/operators.cpp
compiling ./libsass/src/output.cpp
compiling ./libsass/src/parser.cpp
compiling ./libsass/src/parser_selectors.cpp
compiling ./libsass/src/plugins.cpp
compiling ./libsass/src/position.cpp
compiling ./libsass/src/prelexer.cpp
compiling ./libsass/src/remove_placeholders.cpp
compiling ./libsass/src/sass.cpp
compiling ./libsass/src/sass2scss.cpp
compiling ./libsass/src/sass_context.cpp
compiling ./libsass/src/sass_functions.cpp
compiling ./libsass/src/sass_values.cpp
compiling ./libsass/src/source.cpp
compiling ./libsass/src/source_map.cpp
compiling ./libsass/src/stylesheet.cpp
compiling ./libsass/src/to_value.cpp
compiling ./libsass/src/units.cpp
compiling ./libsass/src/utf8_string.cpp
compiling ./libsass/src/util.cpp
compiling ./libsass/src/util_string.cpp
compiling ./libsass/src/values.cpp
linking shared-object sassc/libsass.dll
C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find allocator.o: No such file or directory
C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/14.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find shared_ptr.o: No such file or directory
collect2.exe: error: ld returned 1 exit status
make: *** [Makefile:221: libsass.dll] Error 1

make failed, exit code 2

Gem files will remain installed in D:/jruby-head/lib/ruby/gems/shared/gems/sassc-2.4.0 for inspection.
Results logged to D:/jruby-head/lib/ruby/gems/shared/extensions/universal-java-1.8/3.1.0/sassc-2.4.0/gem_make.out
Error: Process completed with exit code 1.