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cmake: Don't build llvm-config and tblgen concurrently in cross builds

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This sets USES_TERMINAL for the native llvm-config build, so that it
doesn't run at the same time as builds of other native tools (namely,
tablegen). Without this, if you're very unlucky with the timing it's
possible to be relinking libSupport as one of the tools is linking,
causing a spurious failure.

The tablegen build adopted USES_TERMINAL for this same reason in
r280748.

llvm-svn: 290271
This commit is contained in:
Justin Bogner 2016-12-21 21:19:00 +00:00
parent f53471fe7e
commit a84529a444
1 changed files with 2 additions and 1 deletions
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3
tools/llvm-config/CMakeLists.txt
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@ -69,7 +69,8 @@ if(CMAKE_CROSSCOMPILING)
COMMAND ${CMAKE_COMMAND} --build . --target llvm-config --config $<CONFIGURATION>
DEPENDS ${LLVM_NATIVE_BUILD}/CMakeCache.txt
WORKING_DIRECTORY ${LLVM_NATIVE_BUILD}
COMMENT "Building native llvm-config...")
COMMENT "Building native llvm-config..."
USES_TERMINAL)
add_custom_target(${project}NativeLLVMConfig DEPENDS ${${project}_LLVM_CONFIG_EXE})
add_dependencies(${project}NativeLLVMConfig CONFIGURE_LLVM_NATIVE)