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[cmake] Update experimental target error message 

Summary:
Update this error message indicate this test only ensures experimental
targets were passed via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.

Originally, this test validated all targets, but in r184923, it was moved
after the LLVMBUILDTOOL test, which also validates all targets, making
that part of the test redundant.

Differential Revision: https://reviews.llvm.org/D41273

llvm-svn: 321012
This commit is contained in:
Don Hinton 2017-12-18 19:15:15 +00:00
parent a06f8dcca6
commit 0fa52c7db1
1 changed files with 6 additions and 2 deletions
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8
llvm/CMakeLists.txt
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@ -678,9 +678,13 @@ foreach(t ${LLVM_TARGETS_TO_BUILD})
list(FIND LLVM_ALL_TARGETS ${t} idx)
list(FIND LLVM_EXPERIMENTAL_TARGETS_TO_BUILD ${t} idy)
# At this point, LLVMBUILDTOOL already checked all the targets passed in
# LLVM_TARGETS_TO_BUILD and LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, so
# this test just makes sure that any experimental targets were passed via
# LLVM_EXPERIMENTAL_TARGETS_TO_BUILD, not LLVM_TARGETS_TO_BUILD.
if( idx LESS 0 AND idy LESS 0 )
message(FATAL_ERROR "The target `${t}' does not exist.
It should be one of\n${LLVM_ALL_TARGETS}")
message(FATAL_ERROR "The target `${t}' is experimental and must be passed "
"via LLVM_EXPERIMENTAL_TARGETS_TO_BUILD.")
else()
set(LLVM_ENUM_TARGETS "${LLVM_ENUM_TARGETS}LLVM_TARGET(${t})\n")
endif()