| set(MY_SOURCE_DIR "@CMAKE_CURRENT_SOURCE_DIR@") |
| |
| # The find_* commands do path normalization so we should do so too |
| # before comparing results. |
| get_filename_component(MY_SOURCE_DIR "${MY_SOURCE_DIR}" ABSOLUTE) |
| |
| set(_HEADER cmake_i_do_not_exist_in_the_system.h) |
| set(_HEADER_FULL "${MY_SOURCE_DIR}/include/${_HEADER}") |
| set(_HEADER_FULL_A "${MY_SOURCE_DIR}/A/include/${_HEADER}") |
| |
| # at first check that the header isn't found without special measures |
| find_file(FOO_H_1 ${_HEADER}) |
| if(FOO_H_1) |
| message(FATAL_ERROR "${_HEADER} found: ${FOO_H_1}, it should not exist !") |
| endif() |
| |
| # The HINTS option should override the system but the PATHS option |
| # should not. |
| set(CMAKE_SYSTEM_PREFIX_PATH ${MY_SOURCE_DIR}) |
| find_file(TEST_H_1 ${_HEADER} HINTS ${MY_SOURCE_DIR}/A/include) |
| find_file(TEST_H_2 ${_HEADER} PATHS ${MY_SOURCE_DIR}/A/include) |
| if(NOT "${TEST_H_1}" STREQUAL "${_HEADER_FULL_A}") |
| message(FATAL_ERROR "Did not find \"${_HEADER_FULL_A}\"\ngot \"${TEST_H_1}\" instead!") |
| endif() |
| if(NOT "${TEST_H_2}" STREQUAL "${_HEADER_FULL}") |
| message(FATAL_ERROR "Did not find \"${_HEADER_FULL}\"\ngot \"${TEST_H_2}\" instead!") |
| endif() |
| set(CMAKE_SYSTEM_PREFIX_PATH) |
| |
| # with this it still should not be found, since the include/ subdir is still missing |
| set(CMAKE_INCLUDE_PATH "${MY_SOURCE_DIR}") |
| find_file(FOO_H_2 ${_HEADER}) |
| if(FOO_H_2) |
| message(FATAL_ERROR "${_HEADER} found: ${FOO_H_2}, it should not exist !") |
| endif() |
| |
| # now with the PATH_SUFFIX it should be found |
| find_file(FOO_H_3 NAMES ${_HEADER} PATH_SUFFIXES include ) |
| if(NOT "${FOO_H_3}" STREQUAL "${_HEADER_FULL}") |
| message(FATAL_ERROR "Did not find \"${_HEADER_FULL}\"\ngot ${FOO_H_3} instead !") |
| endif() |
| |
| # without PATH_SUFFIX, but with a CMAKE_INCLUDE_PATH it should not be found |
| set(CMAKE_INCLUDE_PATH /include) |
| find_file(FOO_H_4 ${_HEADER}) |
| if(FOO_H_4) |
| message(FATAL_ERROR "${_HEADER} found: ${FOO_H_4}, it should not exist !") |
| endif() |
| |
| # when setting CMAKE_FIND_ROOT_PATH to the current source dir, |
| # together with the CMAKE_INCLUDE_PATH it should be found |
| set(CMAKE_FIND_ROOT_PATH blub "${MY_SOURCE_DIR}") |
| find_file(FOO_H_5 ${_HEADER}) |
| if(NOT "${FOO_H_5}" STREQUAL "${_HEADER_FULL}") |
| message(FATAL_ERROR "Did not find \"${_HEADER_FULL}\"\ngot ${FOO_H_5} instead !") |
| endif() |
| |
| # by explicitly disabling CMAKE_FIND_ROOT_PATH again it shouldn't be found |
| find_file(FOO_H_6 ${_HEADER} NO_CMAKE_FIND_ROOT_PATH) |
| if(FOO_H_6) |
| message(FATAL_ERROR "${_HEADER} found: ${FOO_H_6}, it should not exist !") |
| endif() |