/// This tests uses the PATH environment variable.
// UNSUPPORTED: system-windows
// RUN: cd %S
/// If --ld-path= specifies a word (without /), -B and COMPILER_PATH are
/// consulted to locate the linker.
// RUN: %clang %s -### -B %S/Inputs/basic_freebsd_tree/usr/bin --ld-path=ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD
// RUN: env COMPILER_PATH=%S/Inputs/basic_freebsd_tree/usr/bin %clang %s -### --ld-path=ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD
/// Then PATH is consulted.
// RUN: env PATH=%S/Inputs/basic_freebsd_tree/usr/bin %clang %s -### --ld-path=ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD
// BFD: Inputs/basic_freebsd_tree/usr/bin/ld.bfd"
// RUN: env PATH=%S/Inputs/basic_freebsd_tree/usr/bin %clang %s -### --ld-path=ld.gold \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=GOLD
// GOLD: Inputs/basic_freebsd_tree/usr/bin/ld.gold"
// RUN: not env COMPILER_PATH= PATH=%S/Inputs/basic_freebsd_tree/usr/bin %clang %s -### --ld-path=not_exist \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=NOT_EXIST
// NOT_EXIST: error: invalid linker name in argument '--ld-path=not_exist'
// RUN: not %clang %s -### --ld-path= \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=EMPTY
// EMPTY: error: invalid linker name in argument '--ld-path='
/// If --ld-path= contains a slash, PATH is not consulted.
// RUN: env COMPILER_PATH=%S/Inputs/basic_freebsd_tree/usr/bin not %clang %s -### --ld-path=./ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=NO_BFD
// NO_BFD: error: invalid linker name in argument '--ld-path=./ld.bfd'
/// --ld-path can specify an absolute path.
// RUN: %clang %s -### --ld-path=%S/Inputs/basic_freebsd_tree/usr/bin/ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD
// RUN: %clang %s -### --ld-path=Inputs/basic_freebsd_tree/usr/bin/ld.bfd \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD
/// --ld-path= and -fuse-ld= can be used together. --ld-path= takes precedence.
/// -fuse-ld= can be used to specify the linker flavor.
// RUN: %clang %s -### -Werror --ld-path=%S/Inputs/basic_freebsd_tree/usr/bin/ld.bfd -fuse-ld=gold \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=BFD --implicit-check-not=error:
/// --ld-path= respects -working-directory.
// RUN: %clang %s -### --ld-path=usr/bin/ld.bfd -working-directory=%S/Inputs/basic_freebsd_tree \
// RUN: --target=x86_64-unknown-freebsd --sysroot=%S/Inputs/basic_freebsd_tree 2>&1 | \
// RUN: FileCheck %s --check-prefix=USR_BIN_BFD
// USR_BIN_BFD: "usr/bin/ld.bfd"