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Ensure that flex meets the version requirements

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fixes #8750
This commit is contained in:
Gunnar Beutner 2015-03-15 21:08:06 +01:00
parent 7877292685
commit 8072ca31d9
2 changed files with 8 additions and 0 deletions
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4
lib/config/CMakeLists.txt
View File

@ -18,6 +18,10 @@
find_package(BISON 2.3.0 REQUIRED) find_package(BISON 2.3.0 REQUIRED)
find_package(FLEX 2.5.31 REQUIRED) find_package(FLEX 2.5.31 REQUIRED)
if("${FLEX_VERSION}" VERSION_LESS "2.5.31")
message(SEND_ERROR "Your version of flex is too old. You can specify an alternative path using -DFLEX_EXECUTABLE=/path/to/flex")
endif()
bison_target(config_parser config_parser.yy ${CMAKE_CURRENT_BINARY_DIR}/config_parser.cc) bison_target(config_parser config_parser.yy ${CMAKE_CURRENT_BINARY_DIR}/config_parser.cc)
set_property(SOURCE ${CMAKE_CURRENT_BINARY_DIR}/config_parser.cc PROPERTY EXCLUDE_UNITY_BUILD TRUE) set_property(SOURCE ${CMAKE_CURRENT_BINARY_DIR}/config_parser.cc PROPERTY EXCLUDE_UNITY_BUILD TRUE)

4
tools/mkclass/CMakeLists.txt
View File

@ -18,6 +18,10 @@
find_package(BISON 2.3.0 REQUIRED) find_package(BISON 2.3.0 REQUIRED)
find_package(FLEX 2.5.31 REQUIRED) find_package(FLEX 2.5.31 REQUIRED)
if("${FLEX_VERSION}" VERSION_LESS "2.5.31")
message(SEND_ERROR "Your version of flex is too old. You can specify an alternative path using -DFLEX_EXECUTABLE=/path/to/flex")
endif()
bison_target(class_parser class_parser.yy ${CMAKE_CURRENT_BINARY_DIR}/class_parser.cc) bison_target(class_parser class_parser.yy ${CMAKE_CURRENT_BINARY_DIR}/class_parser.cc)
flex_target(class_lexer class_lexer.ll ${CMAKE_CURRENT_BINARY_DIR}/class_lexer.cc) flex_target(class_lexer class_lexer.ll ${CMAKE_CURRENT_BINARY_DIR}/class_lexer.cc)
add_flex_bison_dependency(class_lexer class_parser) add_flex_bison_dependency(class_lexer class_parser)