[5.9] Improve handling of tool build flags #6709
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Refactors the various compilerArguments and linkerArgument functions slightly to ensure flags from a user's sdk and cli properly propagate to the expected subcommand invocations. Adds a fairly comprehensive test to cover the toolset and cli flag passing end result. --- Fixes a bug where clang targets didn't respect the `isCXX` override. Fixes a bug where cxxCompiler extraCLIFlags where not passed to clang when building cxx targets. Future work: #6491. cxxCompiler extraCLIFlags should also be passed to `swiftc` when compiling swift modules to ensure the clang importer has the same interpretation of the module as the initial compile. Fixes a bug where linker extraCLIFlags were not passed to `swiftc` prefixed by `-Xlinker`. The previous workaround to pass these flags in swiftCompiler extraCLIFlags is no longer necessary. Fixes a bug where a user could pass `-whole-module-optimization` or `-wmo` to swiftc when linking causing the driver to either attempt to compile the object files when using the legacy driver: rdar://27578292 or crash when using the new driver: rdar://108057797. Fixes a bug where cCompiler extraCLIFlags were not passed to `swiftc` prefixed by `-Xcc`. The previous workaround to pass these flags in swiftCompiler extraCLIFlags is no longer necessary. Fixes a bug where extraCLIFlags from an SDKs toolset.json files would be repeated multiple times in child process invocations. The repeated flags could cause issues with some downstream tools, such as repeated `-segaddr` flags to ld64 for the same segment. Fixes a bug where extra toolchain flags would be added to an xcode build parameters file without escaping. Fixes a bug where extra toolchain linker flags would not be added to an xcode build parameters file. (cherry picked from commit 151343e) # Conflicts: # Sources/Build/BuildPlan.swift # Tests/BuildTests/MockBuildTestHelper.swift
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Cherry-pick of #742 required to unblock swiftlang/swift-package-manager#6709. Updates tests to allow compile arguments with multiple `-F` options such as `-F <foo> -Xcc -F -Xcc <foo>`. This change is required to support SwiftPM changes which forward C compiler flags to the Swift compiler in more cases. Co-authored-by: Rauhul Varma <rauhul@users.noreply.github.com>
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Cherry-pick of #6475.
Refactors the various compilerArguments and linkerArgument functions slightly to ensure flags from a user's sdk and cli properly propagate to the expected subcommand invocations.
Adds a fairly comprehensive test to cover the toolset and cli flag passing end result.
Fixes a bug where clang targets didn't respect the
isCXXoverride.Fixes a bug where cxxCompiler extraCLIFlags where not passed to clang when building cxx targets. Future work: #6491. cxxCompiler extraCLIFlags should also be passed to
swiftcwhen compiling swift modules to ensure the clang importer has the same interpretation of the module as the initial compile.Fixes a bug where linker extraCLIFlags were not passed to
swiftcprefixed by-Xlinker. The previous workaround to pass these flags in swiftCompiler extraCLIFlags is no longer necessary.Fixes a bug where a user could pass
-whole-module-optimizationor-wmoto swiftc when linking causing the driver to either attempt to compile the object files when using the legacy driver: rdar://27578292 or crash when using the new driver: rdar://108057797.Fixes a bug where cCompiler extraCLIFlags were not passed to
swiftcprefixed by-Xcc. The previous workaround to pass these flags in swiftCompiler extraCLIFlags is no longer necessary.Fixes a bug where extraCLIFlags from an SDKs toolset.json files would be repeated multiple times in child process invocations. The repeated flags could cause issues with some downstream tools, such as repeated
-segaddrflags to ld64 for the same segment.Fixes a bug where extra toolchain flags would be added to an xcode build parameters file without escaping.
Fixes a bug where extra toolchain linker flags would not be added to an xcode build parameters file.
(cherry picked from commit 151343e)