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Diffstat (limited to 'modules/FindFlex.cmake')
| -rw-r--r-- | modules/FindFlex.cmake | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/modules/FindFlex.cmake b/modules/FindFlex.cmake new file mode 100644 index 00000000..6e54c5c4 --- /dev/null +++ b/modules/FindFlex.cmake @@ -0,0 +1,35 @@ +# - Try to find Flex +# Once done this will define +# +# FLEX_FOUND - system has Flex +# FLEX_EXECUTABLE - path of the flex executable +# FLEX_VERSION - the version string, like "2.5.31" +# +# The minimum required version of Flex can be specified using the +# standard syntax, e.g. find_package(Flex 2.5) + + +# Copyright (c) 2008, Jakob Petsovits, <jpetso@gmx.at> +# +# Redistribution and use is allowed according to the terms of the BSD license. +# For details see the accompanying COPYING-CMAKE-SCRIPTS file. + +FIND_PROGRAM(FLEX_EXECUTABLE NAMES flex) +FIND_PATH(FLEX_INCLUDE_DIR FlexLexer.h ) +FIND_LIBRARY(FLEX_LIBRARY fl) + +IF(FLEX_EXECUTABLE AND NOT FLEX_VERSION) + + EXECUTE_PROCESS(COMMAND ${FLEX_EXECUTABLE} --version + OUTPUT_VARIABLE _FLEX_VERSION_OUTPUT + ) + STRING (REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" _FLEX_VERSION "${_FLEX_VERSION_OUTPUT}") + SET(FLEX_VERSION "${_FLEX_VERSION}" CACHE STRING "Version number of Flex" FORCE) +ENDIF(FLEX_EXECUTABLE AND NOT FLEX_VERSION) + + +INCLUDE(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Flex REQUIRED_VARS FLEX_EXECUTABLE + VERSION_VAR FLEX_VERSION ) + +MARK_AS_ADVANCED(FLEX_INCLUDE_DIR FLEX_LIBRARY FLEX_EXECUTABLE) |