nixpkgs/pkgs/development/compilers/llvm/4/llvm-outputs.patch
Will Dietz 6f6c06adc1 llvm4.0: Rename "4.0" (and _40) to "4" (and _4).
This reflects upstream versioning change, and allows
us to replace 4.0 with 4.1 (which is now a minor revision)
without changing the attribute name.

Thanks to @vcunat for the idea.
2017-03-02 17:19:44 -06:00

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Diff

diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
index 94d426b..37f7794 100644
--- a/tools/llvm-config/llvm-config.cpp
+++ b/tools/llvm-config/llvm-config.cpp
@@ -333,6 +333,21 @@ int main(int argc, char **argv) {
ActiveIncludeOption = "-I" + ActiveIncludeDir;
}
+ /// Nix-specific multiple-output handling: override ActiveLibDir if --link-shared
+ if (!IsInDevelopmentTree) {
+ bool WantShared = true;
+ for (int i = 1; i < argc; ++i) {
+ StringRef Arg = argv[i];
+ if (Arg == "--link-shared")
+ WantShared = true;
+ else if (Arg == "--link-static")
+ WantShared = false; // the last one wins
+ }
+
+ if (WantShared)
+ ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
+ }
+
/// We only use `shared library` mode in cases where the static library form
/// of the components provided are not available; note however that this is
/// skipped if we're run from within the build dir. However, once installed,