mirror of
https://git.dev.opencascade.org/repos/occt.git
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68922bccc4
- STEP low-level parser is converted to C++; required minimal version of flex is elevated to 2.5.37. - Added possibility to import STEP from stream, see new method XSControl_Reader::ReadStream() (now implemented in STEP only). - Parsers ported to win_flex_bison 2.5.23 (flex 2.6.4, bison 3.7.1) - Added support of C++ flex and bison scanners in in CMake scripts - Some code clean-up in StepFile and around (unused files and functions are eliminated) - Option to read from stream is added in DRAW command testreadstep for testing ReadStream() function - Added test bugs step bug27342
36 lines
1.4 KiB
CMake
36 lines
1.4 KiB
CMake
# flex
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# execute FindFLEX script by "find_package (Flex)" is required to define FLEX_TARGET macro
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# delete obsolete 3RDPARTY_FLEX_EXECUTABLE cache variable (not used anymore)
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unset (3RDPARTY_FLEX_EXECUTABLE CACHE)
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# delete FLEX_EXECUTABLE cache variable if it is empty, otherwise find_package will fail
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# without reasonable diagnostic
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if (NOT FLEX_EXECUTABLE OR NOT EXISTS "${FLEX_EXECUTABLE}")
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unset (FLEX_EXECUTABLE CACHE)
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endif()
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if (NOT FLEX_INCLUDE_DIR OR NOT EXISTS "${FLEX_INCLUDE_DIR}")
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unset (FLEX_INCLUDE_DIR CACHE)
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endif()
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# Add paths to 3rdparty subfolders containing name "flex" to CMAKE_PROGRAM_PATH and
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# CMAKE_INCLUDE_PATH variables to make these paths searhed by find_package
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if (3RDPARTY_DIR)
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file (GLOB FLEX_PATHS LIST_DIRECTORIES true "${3RDPARTY_DIR}/*flex*")
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foreach (candidate_path ${FLEX_PATHS})
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if (IS_DIRECTORY ${candidate_path})
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list (APPEND CMAKE_PROGRAM_PATH ${candidate_path})
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list (APPEND CMAKE_INCLUDE_PATH ${candidate_path})
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endif()
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endforeach()
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endif()
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# flex 2.5.37 is required because closest known lower version, 2.5.3 from WOK 6.8.0,
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# generates code which is unusable on Windows (includes unistd.h without any way to avoid this)
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find_package (FLEX 2.5.37)
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if (NOT FLEX_FOUND OR NOT FLEX_INCLUDE_DIR OR NOT EXISTS "${FLEX_INCLUDE_DIR}/FlexLexer.h")
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list (APPEND 3RDPARTY_NOT_INCLUDED FLEX_INCLUDE_DIR)
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endif()
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