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Add sanity check to make sure in-source CMake builds are disallowed.

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This commit is contained in:
Dan Liew 2016-02-29 16:28:53 +00:00
parent 32e51eda2e
commit e8a9209577
1 changed files with 8 additions and 0 deletions
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8
CMakeLists.txt
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@ -36,6 +36,14 @@ set(z3_polluted_tree_msg
" this with ``-n`` first to check which file(s) would be removed."
)
################################################################################
# Sanity check - Disallow building in source
################################################################################
if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
message(FATAL_ERROR "In source builds are not allowed. You should invoke "
"CMake from a different directory.")
endif()
################################################################################
# Add our CMake module directory to the list of module search directories
################################################################################