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d9a14c299f
Visual C:
```
compiling ../../../../../src/ext/-test-/namespace/yay1/yay1.c
yay1.c
../../../../../src/ext/-test-/namespace/yay1/yay1.c(4): warning C4273: 'yay_value': inconsistent dll linkage
C:\a\ruby\ruby\src\ext\-test-\namespace\yay1\yay1.h(4): note: see previous definition of 'yay_value'
linking shared-object -test-/namespace/yay1.so
Creating library yay1-arm64-mswin64_140.lib and object yay1-arm64-mswin64_140.exp
yay1-arm64-mswin64_140.exp : warning LNK4070: /OUT:yay1.dll directive in .EXP differs from output filename '..\..\..\..\.ext\arm64-mswin64_140\-test-\namespace\yay1.so'; ignoring directive
compiling ../../../../../src/ext/-test-/namespace/yay2/yay2.c
yay2.c
../../../../../src/ext/-test-/namespace/yay2/yay2.c(4): warning C4273: 'yay_value': inconsistent dll linkage
C:\a\ruby\ruby\src\ext\-test-\namespace\yay2\yay2.h(4): note: see previous definition of 'yay_value'
linking shared-object -test-/namespace/yay2.so
Creating library yay2-arm64-mswin64_140.lib and object yay2-arm64-mswin64_140.exp
yay2-arm64-mswin64_140.exp : warning LNK4070: /OUT:yay2.dll directive in .EXP differs from output filename '..\..\..\..\.ext\arm64-mswin64_140\-test-\namespace\yay2.so'; ignoring directive
```
From MinGW gcc:
```
../../../../../src/ext/-test-/namespace/yay1/yay1.c:4:1: warning: 'yay_value' redeclared without dllimport attribute: previous dllimport ignored [-Wattributes]
4 | yay_value(void)
| ^~~~~~~~~
../../../../../src/ext/-test-/namespace/yay2/yay2.c:4:1: warning: 'yay_value' redeclared without dllimport attribute: previous dllimport ignored [-Wattributes]
4 | yay_value(void)
| ^~~~~~~~~
```
4 lines
98 B
C
4 lines
98 B
C
#include <ruby.h>
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#include "ruby/internal/dllexport.h"
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RUBY_FUNC_EXPORTED VALUE yay_value(void);
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