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d2965a7d85
Fixes #18840: too large closure of mesa_drivers. Tested atop 16.09: - clang compiles a hello-world app; - mesa seems to link OK; - ispc builds. Size comparison: - 80 MB of full llvm-3.7 on 16.03; - 200 MB of full llvm-3.9 on 16.09 before this patch; - 50 MB of libLLVM after this commit.
27 lines
1 KiB
Diff
27 lines
1 KiB
Diff
diff --git a/tools/llvm-config/llvm-config.cpp b/tools/llvm-config/llvm-config.cpp
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index 94d426b..37f7794 100644
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--- a/tools/llvm-config/llvm-config.cpp
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+++ b/tools/llvm-config/llvm-config.cpp
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@@ -333,6 +333,21 @@ int main(int argc, char **argv) {
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ActiveIncludeOption = "-I" + ActiveIncludeDir;
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}
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+ /// Nix-specific multiple-output handling: override ActiveLibDir if --link-shared
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+ if (!IsInDevelopmentTree) {
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+ bool WantShared = true;
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+ for (int i = 1; i < argc; ++i) {
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+ StringRef Arg = argv[i];
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+ if (Arg == "--link-shared")
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+ WantShared = true;
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+ else if (Arg == "--link-static")
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+ WantShared = false; // the last one wins
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+ }
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+
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+ if (WantShared)
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+ ActiveLibDir = std::string("@lib@") + "/lib" + LLVM_LIBDIR_SUFFIX;
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+ }
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+
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/// We only use `shared library` mode in cases where the static library form
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/// of the components provided are not available; note however that this is
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/// skipped if we're run from within the build dir. However, once installed,
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