Fangrui Song f2f96eb605 [llvm-objcopy] Improve tool selection logic to recognize llvm-strip-$major as strip
Debian and some other distributions install llvm-strip as llvm-strip-$major (e.g. `/usr/bin/llvm-strip-9`)

D54193 made it work with llvm-strip-$major but did not add a test.
The behavior was regressed by D69146.

Fixes https://github.com/ClangBuiltLinux/linux/issues/940

Reviewed By: alexshap

Differential Revision: https://reviews.llvm.org/D76562
2020-03-23 13:49:26 -07:00

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## Don't make symlinks on Windows.
# UNSUPPORTED: system-windows
# RUN: rm -rf %t
# RUN: mkdir %t
# RUN: ln -s llvm-objcopy %t/llvm-objcopy-11.exe
# RUN: ln -s llvm-objcopy %t/powerpc64-unknown-freebsd13-objcopy
# RUN: llvm-objcopy --help | FileCheck --check-prefix=OBJCOPY %s
# RUN: %t/llvm-objcopy-11.exe --help | FileCheck --check-prefix=OBJCOPY %s
# RUN: %t/powerpc64-unknown-freebsd13-objcopy --help | FileCheck --check-prefix=OBJCOPY %s
# OBJCOPY: OVERVIEW: llvm-objcopy tool
# RUN: ln -s llvm-strip %t/strip.exe
# RUN: ln -s llvm-strip %t/gnu-llvm-strip-10
# RUN: llvm-strip --help | FileCheck --check-prefix=STRIP %s
# RUN: %t/strip.exe --help | FileCheck --check-prefix=STRIP %s
# RUN: %t/gnu-llvm-strip-10 --help | FileCheck --check-prefix=STRIP %s
# STRIP: OVERVIEW: llvm-strip tool
## This driver emulates install_name_tool on macOS.
# RUN: ln -s llvm-install-name-tool %t/llvm-install-name-tool-10
# RUN: ln -s llvm-install-name-tool %t/install_name_tool.exe
# RUN: llvm-install-name-tool --help | FileCheck --check-prefix=INSTALL %s
# RUN: %t/llvm-install-name-tool-10 --help | FileCheck --check-prefix=INSTALL %s
# RUN: %t/install_name_tool.exe --help | FileCheck --check-prefix=INSTALL %s
# INSTALL: OVERVIEW: llvm-install-name-tool tool