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Add CXX_RS_EXPORT, CXX_CPP_EXPORT macros to cxx.cc #1025

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Add CXX_RS_EXPORT, CXX_CPP_EXPORT macros to cxx.cc #1025

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821b204
Add CXX_RS_EXPORT, CXX_CPP_EXPORT macros to cxx.cc.
adetaylor Mar 16, 2022
38d91cf
clang-format
adetaylor Mar 16, 2022
08be363
Update cmd test.
adetaylor Mar 16, 2022
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10 changes: 9 additions & 1 deletion gen/cmd/src/app.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -133,7 +133,15 @@ Optional annotation for implementations of C++ function wrappers
that may be exposed to Rust. You may for example need to provide
__declspec(dllexport) or __attribute__((visibility(\"default\")))
if Rust code from one shared object or executable depends on
these C++ functions in another.";
these C++ functions in another.

If you need to use this option, you might also consider similarly
defining either or both of the preprocessor symbols CXX_RS_EXPORT
and CXX_CPP_EXPORT when compiling cxx.cc. CXX_RS_EXPORT
attaches to symbols exported from cxx.cc which are typically used
by Rust code; CXX_CPP_EXPORT attaches to symbols which are used
by C++ code.
";
Arg::new(CXX_IMPL_ANNOTATIONS)
.long(CXX_IMPL_ANNOTATIONS)
.takes_value(true)
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7 changes: 7 additions & 0 deletions gen/cmd/src/test.rs
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Expand Up @@ -23,6 +23,13 @@ OPTIONS:
__declspec(dllexport) or __attribute__((visibility(\"default\")))
if Rust code from one shared object or executable depends on
these C++ functions in another.

If you need to use this option, you might also consider similarly
defining either or both of the preprocessor symbols CXX_RS_EXPORT
and CXX_CPP_EXPORT when compiling cxx.cc. CXX_RS_EXPORT
attaches to symbols exported from cxx.cc which are typically used
by Rust code; CXX_CPP_EXPORT attaches to symbols which are used
by C++ code.

-h, --help
Print help information.
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