1# The configured file is not placed in the correct location
2# until the tests are run as we need to copy it into
3# a copy of the tests folder
4configure_lit_site_cfg(
5  "${CMAKE_CURRENT_SOURCE_DIR}/tests/lit.site.cfg.in"
6  "${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg"
7  OUTPUT_MAPPING
8  "${CMAKE_CURRENT_BINARY_DIR}/tests/lit.site.cfg"
9  )
10
11# Lit's test suite creates output files next to the sources which makes the
12# source tree dirty. This is undesirable because we do out of source builds.
13# To work around this the tests and the configuration file are copied into the
14# build directory just before running them. The tests are not copied over at
15# configure time (i.e. `file(COPY ...)`) because this could lead to stale
16# tests being run.
17add_custom_target(prepare-check-lit
18  COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_CURRENT_BINARY_DIR}/tests"
19  COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/tests" "${CMAKE_CURRENT_BINARY_DIR}/tests"
20  COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg" "${CMAKE_CURRENT_BINARY_DIR}/tests"
21  COMMENT "Preparing lit tests"
22)
23
24# Add rules for lit's own test suite
25add_lit_testsuite(check-lit "Running lit's tests"
26  ${CMAKE_CURRENT_BINARY_DIR}
27  DEPENDS "FileCheck" "not" "prepare-check-lit"
28)
29
30# For IDEs
31set_target_properties(check-lit PROPERTIES FOLDER "Tests")
32set_target_properties(prepare-check-lit PROPERTIES FOLDER "Tests")
33