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[driver][darwin] Pass -platform_version flag to the linker instead of the -<platform>_version_min flag In Xcode 11, ld added a new flag called -platform_version that can be used instead of the old -<platform>_version_min flags. The new flag allows Clang to pass the SDK version from the driver to the linker. This patch adopts the new -platform_version flag in Clang, and starts using it by default, unless a linker version < 520 is passed to the driver. Differential Revision: https://reviews.llvm.org/D71579
2019-12-17 08:46:41 +08:00
// RUN: touch %t.o
// RUN: %clang -target x86_64-apple-macos10.13 -isysroot %S/Inputs/MacOSX10.14.sdk -### %t.o 2>&1 \
// RUN: | FileCheck %s
// RUN: env SDKROOT=%S/Inputs/MacOSX10.14.sdk %clang -target x86_64-apple-macos10.13.0.1 -mlinker-version=520 -### %t.o 2>&1 \
// RUN: | FileCheck %s
// CHECK: "-platform_version" "macos" "10.13.0" "10.14"
// RUN: %clang -target x86_64-apple-macos10.13 -### %t.o 2>&1 \
// RUN: | FileCheck --check-prefix=NOSDK %s
// NOSDK: "-platform_version" "macos" "10.13.0" "0.0.0"