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stdenv: correct cross CMAKE_SYSTEM_NAME

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As described in cmake cross instructions, CMAKE_SYSTEM_NAME should be
set to "Generic" if there is no applicable OS:

https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/CrossCompiling#setting-up-the-system-and-toolchain
This commit is contained in:
arcnmx 2019-07-27 15:18:33 -07:00
parent b5590fff46
commit 8cedc7fc6c
1 changed files with 1 additions and 1 deletions
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2
pkgs/stdenv/generic/make-derivation.nix
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@ -246,7 +246,7 @@ in rec {
(/**/ if lib.isString cmakeFlags then [cmakeFlags]
else if cmakeFlags == null then []
else cmakeFlags)
++ lib.optional (stdenv.hostPlatform.uname.system != null) "-DCMAKE_SYSTEM_NAME=${stdenv.hostPlatform.uname.system}"
++ [ "-DCMAKE_SYSTEM_NAME=${lib.findFirst lib.isString "Generic" [ stdenv.hostPlatform.uname.system ]}" ]
++ lib.optional (stdenv.hostPlatform.uname.processor != null) "-DCMAKE_SYSTEM_PROCESSOR=${stdenv.hostPlatform.uname.processor}"
++ lib.optional (stdenv.hostPlatform.uname.release != null) "-DCMAKE_SYSTEM_VERSION=${stdenv.hostPlatform.release}"
++ lib.optional (stdenv.buildPlatform.uname.system != null) "-DCMAKE_HOST_SYSTEM_NAME=${stdenv.buildPlatform.uname.system}"