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| author | Robert Maynard <robert.maynard@kitware.com> | 2019-01-08 10:50:10 -0500 |
|---|---|---|
| committer | Brad King <brad.king@kitware.com> | 2019-01-10 13:23:14 -0500 |
| commit | 5000fed5af6925a7d57083c8806ea0537e97bdda (patch) | |
| tree | a6e7b94aa5950b73fb896730ad48f1496f9bfdb6 /Modules/FindBISON.cmake | |
| parent | f5da1bb34954b1a9e78f07133f4aa3ce332a329f (diff) | |
| download | cmake-5000fed5af6925a7d57083c8806ea0537e97bdda.tar.gz | |
FindBISON: Add policy CMP0088 to run bison in build tree
Diffstat (limited to 'Modules/FindBISON.cmake')
| -rw-r--r-- | Modules/FindBISON.cmake | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/Modules/FindBISON.cmake b/Modules/FindBISON.cmake index d59dc27fe8..06ac2d93f0 100644 --- a/Modules/FindBISON.cmake +++ b/Modules/FindBISON.cmake @@ -151,7 +151,15 @@ if(BISON_EXECUTABLE) list(APPEND BISON_TARGET_cmdopt "--report-file=${BISON_TARGET_verbose_file}") endif() if(NOT IS_ABSOLUTE "${BISON_TARGET_verbose_file}") - set(BISON_TARGET_verbose_file "${CMAKE_CURRENT_SOURCE_DIR}/${BISON_TARGET_verbose_file}") + cmake_policy(GET CMP0088 _BISON_CMP0088 + PARENT_SCOPE # undocumented, do not use outside of CMake + ) + if("x${_BISON_CMP0088}x" STREQUAL "xNEWx") + set(BISON_TARGET_verbose_file "${CMAKE_CURRENT_BINARY_DIR}/${BISON_TARGET_verbose_file}") + else() + set(BISON_TARGET_verbose_file "${CMAKE_CURRENT_SOURCE_DIR}/${BISON_TARGET_verbose_file}") + endif() + unset(_BISON_CMP0088) endif() endmacro() @@ -159,6 +167,15 @@ if(BISON_EXECUTABLE) # adds a custom command and sets # BISON_TARGET_cmdopt, BISON_TARGET_extraoutputs macro(BISON_TARGET_option_verbose Name BisonOutput filename) + cmake_policy(GET CMP0088 _BISON_CMP0088 + PARENT_SCOPE # undocumented, do not use outside of CMake + ) + set(_BISON_WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + if("x${_BISON_CMP0088}x" STREQUAL "xNEWx") + set(_BISON_WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) + endif() + unset(_BISON_CMP0088) + list(APPEND BISON_TARGET_cmdopt "--verbose") list(APPEND BISON_TARGET_outputs "${BISON_TARGET_verbose_file}") @@ -166,8 +183,9 @@ if(BISON_EXECUTABLE) if(IS_ABSOLUTE "${filename}") set(BISON_TARGET_verbose_extra_file "${filename}") else() - set(BISON_TARGET_verbose_extra_file "${CMAKE_CURRENT_SOURCE_DIR}/${filename}") + set(BISON_TARGET_verbose_extra_file "${_BISON_WORKING_DIRECTORY}/${filename}") endif() + add_custom_command(OUTPUT ${BISON_TARGET_verbose_extra_file} COMMAND ${CMAKE_COMMAND} -E copy "${BISON_TARGET_verbose_file}" @@ -176,10 +194,11 @@ if(BISON_EXECUTABLE) DEPENDS "${BISON_TARGET_verbose_file}" COMMENT "[BISON][${Name}] Copying bison verbose table to ${filename}" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + WORKING_DIRECTORY ${_BISON_WORKING_DIRECTORY}) list(APPEND BISON_TARGET_extraoutputs "${BISON_TARGET_verbose_extra_file}") unset(BISON_TARGET_verbose_extra_file) + unset(_BISON_WORKING_DIRECTORY) endif() endmacro() @@ -234,12 +253,23 @@ if(BISON_EXECUTABLE) list(APPEND BISON_TARGET_outputs "${BISON_TARGET_output_header}") + cmake_policy(GET CMP0088 _BISON_CMP0088 + PARENT_SCOPE # undocumented, do not use outside of CMake + ) + set(_BISON_WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + if("x${_BISON_CMP0088}x" STREQUAL "xNEWx") + set(_BISON_WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}) + endif() + unset(_BISON_CMP0088) + add_custom_command(OUTPUT ${BISON_TARGET_outputs} COMMAND ${BISON_EXECUTABLE} ${BISON_TARGET_cmdopt} -o ${BisonOutput} ${BisonInput} VERBATIM DEPENDS ${BisonInput} COMMENT "[BISON][${Name}] Building parser with bison ${BISON_VERSION}" - WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}) + WORKING_DIRECTORY ${_BISON_WORKING_DIRECTORY}) + + unset(_BISON_WORKING_DIRECTORY) # define target variables set(BISON_${Name}_DEFINED TRUE) |