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Merge topic 'bison_target_policy'

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5000fed5af FindBISON: Add policy CMP0088 to run bison in build tree

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !2774
This commit is contained in:
Brad King
2019-01-11 12:51:57 +00:00
committed by Kitware Robot
parent 60666e2cd3 5000fed5af
commit 9e8f2e509f
5 changed files with 73 additions and 4 deletions
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38
Modules/FindBISON.cmake
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@@ -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)