[ruby-core:122017] [Ruby Bug#21328] Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

Issue #21328 has been reported by fagrela (Felipe Agrela).

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Bug #21328: Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
https://bugs.ruby-lang.org/issues/21328

* Author: fagrela (Felipe Agrela)
* Status: Open
* ruby -v: 3.3.8
* Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN
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We are facing an issue that starts in 05/03/2025

We have an Azure Devops Pipeline that build and test a project, but in the test step we have the following error:
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

C:/hostedtoolcache/windows/Ruby/3.3.8/x64/lib/ruby/gems/3.3.0/gems/ffi-1.16.3/ext/ffi_c


'/c/hostedtoolcache/windows/Ruby/3.3.8/x64/lib/ruby/gems/3.3.0/gems/ffi-1.16.3/ext/ffi_c/libffi-x64-mingw-ucrt'
2025-05-08T20:17:16.1292182Z            compiling AbstractMemory.c
2025-05-08T20:17:16.1293918Z            AbstractMemory.c: In function 'rbffi_AbstractMemory_Init':
2025-05-08T20:17:16.1379827Z AbstractMemory.c(816,49): error G9F317667: passing argument 3 of 'rb_define_method' from [C:\Users\VssAdministrator\.nuget\packages\gcm.msbuild.sdk\8.0.10-platform-debuggi0004\build\Chef\ChefDependencies.proj] [D:\a\1\s\Tests\ChefUnitTests\ChefUnitTests.csproj]
2025-05-08T20:17:16.1382541Z            incompatible pointer type [-Wincompatible-pointer-types]
2025-05-08T20:17:16.1384491Z              816 |     rb_define_method(classMemory, "put_" #type, memory_put_##type, 2); \
2025-05-08T20:17:16.1386316Z                  |                                                 ^~~~~~~~~~~
2025-05-08T20:17:16.1388056Z                  |                                                 |
2025-05-08T20:17:16.1389784Z            |                                                 VALUE (*)(VALUE,  VALUE,
2025-05-08T20:17:16.1391627Z            VALUE) {aka long long unsigned int (*)(long long unsigned int,  long long
2025-05-08T20:17:16.1393395Z            unsigned int,  long long unsigned int)}
2025-05-08T20:17:16.1395349Z            AbstractMemory.c:833:5: note: in expansion of macro 'INT'
2025-05-08T20:17:16.1397142Z              833 |     INT(int8);
2025-05-08T20:17:16.1398853Z                  |     ^~~
2025-05-08T20:17:16.1400582Z            In file included from
2025-05-08T20:17:16.1402347Z            C:/hostedtoolcache/windows/Ruby/3.3.8/x64/include/ruby-3.3.0/ruby/internal/anyargs.h:78,
2025-05-08T20:17:16.1404181Z            from
2025-05-08T20:17:16.1406077Z            C:/hostedtoolcache/windows/Ruby/3.3.8/x64/include/ruby-3.3.0/ruby/ruby.h:27,
2025-05-08T20:17:16.1407838Z            from
2025-05-08T20:17:16.1409590Z            C:/hostedtoolcache/windows/Ruby/3.3.8/x64/include/ruby-3.3.0/ruby.h:38,
2025-05-08T20:17:16.1411368Z                             from AbstractMemory.c:40:
2025-05-08T20:17:16.1413229Z            C:/hostedtoolcache/windows/Ruby/3.3.8/x64/include/ruby-3.3.0/ruby/internal/method.h:99:61:
2025-05-08T20:17:16.1415037Z            note: expected 'VALUE (*)(void)' {aka 'long long unsigned int (*)(void)'} but
2025-05-08T20:17:16.1417112Z            argument is of type 'VALUE (*)(VALUE,  VALUE,  VALUE)' {aka 'long long unsigned
2025-05-08T20:17:16.1419032Z            int (*)(long long unsigned int,  long long unsigned int,  long long unsigned
2025-05-08T20:17:16.1420785Z            int)'}
2025-05-08T20:17:16.1422532Z            99 | void rb_define_method(VALUE klass, const char *mid, VALUE
2025-05-08T20:17:16.1424350Z            (*func)(ANYARGS), int arity);
2025-05-08T20:17:16.1427260Z            |                                                    
2025-05-08T20:17:16.1429021Z            ~~~~~~~~^~~~~~~~~~~~~~
2025-05-08T20:17:16.1430845Z            AbstractMemory.c:96:1: note: 'memory_put_int8' declared here
2025-05-08T20:17:16.1432652Z               96 | memory_put_##name(VALUE self, VALUE offset, VALUE value) \
2025-05-08T20:17:16.1434412Z                  | ^~~~~~~~~~~
2025-05-08T20:17:16.1436168Z            AbstractMemory.c:259:1: note: in expansion of macro 'NUM_OP'
2025-05-08T20:17:16.1438040Z              259 | NUM_OP(int8, int8_t, NUM2INT, INT2NUM, NOSWAP);
2025-05-08T20:17:16.1439757Z                  | ^~~~~~
2025-05-08T20:17:16.1446346Z AbstractMemory.c(817,49): error G9F317667: passing argument 3 of 'rb_define_method' from [C:\Users\VssAdministrator\.nuget\packages\gcm.msbuild.sdk\8.0.10-platform-debuggi0004\build\Chef\ChefDependencies.proj] [D:\a\1\s\Tests\ChefUnitTests\ChefUnitTests.csproj]
2025-05-08T20:17:16.1448813Z            incompatible pointer type [-Wincompatible-pointer-types]
2025-05-08T20:17:16.1450695Z              817 |     rb_define_method(classMemory, "get_" #type, memory_get_##type, 1); \
2025-05-08T20:17:16.1452471Z                  |                                                 ^~~~~~~~~~~
2025-05-08T20:17:16.1454208Z                  |                                                 |
2025-05-08T20:17:16.1455919Z            |                                                 VALUE (*)(VALUE,  VALUE)
2025-05-08T20:17:16.1457703Z            {aka long long unsigned int (*)(long long unsigned int,  long long unsigned
2025-05-08T20:17:16.1459434Z            int)}
2025-05-08T20:17:16.1461252Z            AbstractMemory.c:833:5: note: in expansion of macro 'INT'
2025-05-08T20:17:16.1463024Z              833 |     INT(int8);
2025-05-08T20:17:16.1464707Z                  |     ^~~


Any ideas or how can we fix that? 




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