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221983dbcf
Fixes #10170 by preferring gcc@5 on linux This makes sure ENV.cc and ENV.cxx is correctly set: If a formula does not explicitely depend on a brewed gcc, ENV.cc is set to gcc-5 (system gcc-5 or brewed gcc-5) with this change, even if other gcc versions are installed on the system.
76 lines
2.3 KiB
Ruby
76 lines
2.3 KiB
Ruby
# typed: false
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# frozen_string_literal: true
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require "compilers"
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require "software_spec"
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describe CompilerSelector do
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subject(:selector) { described_class.new(software_spec, versions, compilers) }
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let(:compilers) { [:clang, :gnu] }
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let(:software_spec) { SoftwareSpec.new }
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let(:cc) { :clang }
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let(:versions) do
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double(
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llvm_build_version: Version::NULL,
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clang_build_version: Version.create("600"),
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)
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end
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before do
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allow(versions).to receive(:non_apple_gcc_version) do |name|
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case name
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when "gcc-7" then Version.create("7.1")
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when "gcc-6" then Version.create("6.1")
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when "gcc-5" then Version.create("5.1")
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else Version::NULL
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end
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end
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end
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describe "#compiler" do
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it "defaults to cc" do
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expect(selector.compiler).to eq(cc)
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end
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it "returns clang if it fails with non-Apple gcc" do
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software_spec.fails_with(gcc: "7")
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expect(selector.compiler).to eq(:clang)
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end
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it "still returns gcc-7 if it fails with gcc without a specific version" do
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software_spec.fails_with(:clang)
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expect(selector.compiler).to eq("gcc-7")
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end
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it "returns gcc-6 if gcc formula offers gcc-6 on mac", :needs_macos do
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software_spec.fails_with(:clang)
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allow(Formulary).to receive(:factory).with("gcc").and_return(double(version: "6.0"))
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expect(selector.compiler).to eq("gcc-6")
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end
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it "returns gcc-5 if gcc formula offers gcc-5 on linux", :needs_linux do
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software_spec.fails_with(:clang)
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allow(Formulary).to receive(:factory).with("gcc@5").and_return(double(version: "5.0"))
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expect(selector.compiler).to eq("gcc-5")
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end
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it "returns gcc-6 if gcc formula offers gcc-6 and fails with gcc-5 and gcc-7 on linux", :needs_linux do
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software_spec.fails_with(:clang)
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software_spec.fails_with(gcc: "5")
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software_spec.fails_with(gcc: "7")
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allow(Formulary).to receive(:factory).with("gcc@5").and_return(double(version: "5.0"))
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expect(selector.compiler).to eq("gcc-6")
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end
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it "raises an error when gcc or llvm is missing" do
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software_spec.fails_with(:clang)
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software_spec.fails_with(gcc: "7")
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software_spec.fails_with(gcc: "6")
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software_spec.fails_with(gcc: "5")
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expect { selector.compiler }.to raise_error(CompilerSelectionError)
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end
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end
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end
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