Ericson2314 added inline comments.
================
Comment at: libcxx/CMakeLists.txt:421
+if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
+ set(default_install_path
"${CMAKE_INSTALL_INCLUDEDIR}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
+else()
----------------
ldionne wrote:
> ldionne wrote:
> > Instead, I'd do this:
> >
> > ```
> > if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
> > set(_include_target_dir
> > "${CMAKE_INSTALL_INCLUDEDIR}/${LLVM_DEFAULT_TARGET_TRIPLE}/c++/v1")
> > set(_install_library_dir
> > "lib${LLVM_LIBDIR_SUFFIX}/${LLVM_DEFAULT_TARGET_TRIPLE}")
> > else()
> > set(_include_target_dir "${LIBCXX_INSTALL_INCLUDE_DIR}")
> > set(_install_library_dir "lib${LLVM_LIBDIR_SUFFIX}")
> > endif()
> >
> > set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR "${_include_target_dir}" CACHE PATH
> > "Path where target-specific libc++ headers should be installed.")
> > set(LIBCXX_INSTALL_LIBRARY_DIR "${_install_library_dir}" CACHE PATH
> > "Path where built libc++ libraries should be installed.")
> > ```
> >
> > IMO that's easier on the eye.
> Gentle ping on this.
Ah right, I have this "throw away temporary style as soon as possible" on all
the runtimes right now. Would you prefer I do instead do "define all the
defaults, define all the cache vars" for all of them?
I am a little partial to the current style because if it is closer to what I
would do if cmake has proper expressions. (something like:
```
set(LIBCXX_INSTALL_INCLUDE_TARGET_DIR
"${
if(...)
stuff
else()
stuff
endif()
}" CACHE PATH
"Path where target-specific libc++ headers should be
```
). But if that if you are sure your want it consistently the other way I can
switch it.
A bigger issue might be when the variables depend on each other, e.g. when I
get the library install dir base name for the library binary dir.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D132608/new/
https://reviews.llvm.org/D132608
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