rust: use system libs (#43797)
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@ -56,10 +56,12 @@ class Rust(Package):
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depends_on("cmake@3.13.4:", type="build")
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depends_on("curl+nghttp2")
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depends_on("libgit2")
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depends_on("libssh2")
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depends_on("ninja", type="build")
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depends_on("openssl")
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depends_on("pkgconfig", type="build")
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depends_on("python", type="build")
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depends_on("zlib-api")
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# Compiling Rust requires a previous version of Rust.
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# The easiest way to bootstrap a Rust environment is to
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@ -94,6 +96,11 @@ def setup_dependent_package(self, module, dependent_spec):
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module.cargo = Executable(os.path.join(self.spec.prefix.bin, "cargo"))
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def setup_build_environment(self, env):
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# Manually instruct Cargo dependency libssh2-sys to build with
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# the Spack installed libssh2 package. For more info see
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# https://github.com/alexcrichton/ssh2-rs/issues/173
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env.set("LIBSSH2_SYS_USE_PKG_CONFIG", "1")
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# Manually inject the path of ar for build.
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ar = which("ar", required=True)
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env.set("AR", ar.path)
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