read less from version headers into variables
Instead of reading the whole file using file(READ) and later matching on the whole file use file(STRINGS ... REGEX) to get only those lines we are interested in at all. This will make the list much smaller (good for debugging) and also the regular expressions will need to match on much smaller strings. Also unset the content variables once they are not used anymore.
This commit is contained in:
Rolf Eike Beer
parent
d46f8afae9
commit
4be6783711
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@ -58,7 +58,7 @@ if(ARMADILLO_INCLUDE_DIR)
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if(EXISTS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/arma_version.hpp")
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# Read and parse armdillo version header file for version number
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file(READ "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/arma_version.hpp" _armadillo_HEADER_CONTENTS)
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file(STRINGS "${ARMADILLO_INCLUDE_DIR}/armadillo_bits/arma_version.hpp" _armadillo_HEADER_CONTENTS REGEX "#define ARMA_VERSION_[A-Z]+ ")
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string(REGEX REPLACE ".*#define ARMA_VERSION_MAJOR ([0-9]+).*" "\\1" ARMADILLO_VERSION_MAJOR "${_armadillo_HEADER_CONTENTS}")
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string(REGEX REPLACE ".*#define ARMA_VERSION_MINOR ([0-9]+).*" "\\1" ARMADILLO_VERSION_MINOR "${_armadillo_HEADER_CONTENTS}")
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string(REGEX REPLACE ".*#define ARMA_VERSION_PATCH ([0-9]+).*" "\\1" ARMADILLO_VERSION_PATCH "${_armadillo_HEADER_CONTENTS}")
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@ -66,6 +66,7 @@ if(ARMADILLO_INCLUDE_DIR)
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# WARNING: The number of spaces before the version name is not one.
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string(REGEX REPLACE ".*#define ARMA_VERSION_NAME\ +\"([0-9a-zA-Z\ _-]+)\".*" "\\1" ARMADILLO_VERSION_NAME "${_armadillo_HEADER_CONTENTS}")
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unset(_armadillo_HEADER_CONTENTS)
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endif()
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set(ARMADILLO_VERSION_STRING "${ARMADILLO_VERSION_MAJOR}.${ARMADILLO_VERSION_MINOR}.${ARMADILLO_VERSION_PATCH}")
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@ -729,7 +729,7 @@ set(Boost_ERROR_REASON)
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#
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set(BOOST_VERSION 0)
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set(BOOST_LIB_VERSION "")
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file(READ "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS)
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file(STRINGS "${Boost_INCLUDE_DIR}/boost/version.hpp" _boost_VERSION_HPP_CONTENTS REGEX "#define BOOST_(LIB_)?VERSION ")
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if(Boost_DEBUG)
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message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "
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"location of version.hpp: ${Boost_INCLUDE_DIR}/boost/version.hpp")
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@ -737,6 +737,7 @@ set(Boost_ERROR_REASON)
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string(REGEX REPLACE ".*#define BOOST_VERSION ([0-9]+).*" "\\1" Boost_VERSION "${_boost_VERSION_HPP_CONTENTS}")
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string(REGEX REPLACE ".*#define BOOST_LIB_VERSION \"([0-9_]+)\".*" "\\1" Boost_LIB_VERSION "${_boost_VERSION_HPP_CONTENTS}")
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unset(_boost_VERSION_HPP_CONTENTS)
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set(Boost_LIB_VERSION ${Boost_LIB_VERSION} CACHE INTERNAL "The library version string for boost libraries")
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set(Boost_VERSION ${Boost_VERSION} CACHE INTERNAL "The version number for boost libraries")
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@ -114,7 +114,7 @@
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# _gtkversion_hdr = Header file to parse
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#=============================================================
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function(_GTK2_GET_VERSION _OUT_major _OUT_minor _OUT_micro _gtkversion_hdr)
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file(READ ${_gtkversion_hdr} _contents)
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file(STRINGS ${_gtkversion_hdr} _contents REGEX "#define GTK_M[A-Z]+_VERSION[ \t]+")
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if(_contents)
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string(REGEX REPLACE ".*#define GTK_MAJOR_VERSION[ \t]+\\(([0-9]+)\\).*" "\\1" ${_OUT_major} "${_contents}")
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string(REGEX REPLACE ".*#define GTK_MINOR_VERSION[ \t]+\\(([0-9]+)\\).*" "\\1" ${_OUT_minor} "${_contents}")
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@ -29,10 +29,11 @@ find_path(HSPELL_INCLUDE_DIR hspell.h)
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find_library(HSPELL_LIBRARIES NAMES hspell)
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if (HSPELL_INCLUDE_DIR)
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file(READ "${HSPELL_INCLUDE_DIR}/hspell.h" HSPELL_H)
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file(STRINGS "${HSPELL_INCLUDE_DIR}/hspell.h" HSPELL_H REGEX "#define HSPELL_VERSION_M(AJO|INO)R [0-9]+")
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string(REGEX REPLACE ".*#define HSPELL_VERSION_MAJOR ([0-9]+).*" "\\1" HSPELL_VERSION_MAJOR "${HSPELL_H}")
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string(REGEX REPLACE ".*#define HSPELL_VERSION_MINOR ([0-9]+).*" "\\1" HSPELL_VERSION_MINOR "${HSPELL_H}")
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set(HSPELL_VERSION_STRING "${HSPELL_VERSION_MAJOR}.${HSPELL_VERSION_MINOR}")
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unset(HSPELL_H)
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endif()
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# handle the QUIETLY and REQUIRED arguments and set HSPELL_FOUND to TRUE if
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@ -33,13 +33,14 @@ find_path(LIBLZMA_INCLUDE_DIR lzma.h )
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find_library(LIBLZMA_LIBRARY lzma)
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if(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h")
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file(READ "${LIBLZMA_INCLUDE_DIR}/lzma/version.h" LIBLZMA_HEADER_CONTENTS)
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file(STRINGS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h" LIBLZMA_HEADER_CONTENTS REGEX "#define LZMA_VERSION_[A-Z]+ [0-9]+")
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string(REGEX REPLACE ".*#define LZMA_VERSION_MAJOR ([0-9]+).*" "\\1" LIBLZMA_VERSION_MAJOR "${LIBLZMA_HEADER_CONTENTS}")
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string(REGEX REPLACE ".*#define LZMA_VERSION_MINOR ([0-9]+).*" "\\1" LIBLZMA_VERSION_MINOR "${LIBLZMA_HEADER_CONTENTS}")
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string(REGEX REPLACE ".*#define LZMA_VERSION_PATCH ([0-9]+).*" "\\1" LIBLZMA_VERSION_PATCH "${LIBLZMA_HEADER_CONTENTS}")
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set(LIBLZMA_VERSION_STRING "${LIBLZMA_VERSION_MAJOR}.${LIBLZMA_VERSION_MINOR}.${LIBLZMA_VERSION_PATCH}")
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unset(LIBLZMA_HEADER_CONTENTS)
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endif()
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# We're using new code known now as XZ, even library still been called LZMA
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@ -103,7 +103,8 @@ if(OSG_INCLUDE_DIR)
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endif()
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if(EXISTS "${_osg_Version_file}")
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file(READ "${_osg_Version_file}" _osg_Version_contents)
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file(STRINGS "${_osg_Version_file}" _osg_Version_contents
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REGEX "#define (OSG_VERSION_[A-Z]+|OPENSCENEGRAPH_[A-Z]+_VERSION)[ \t]+[0-9]+")
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else()
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set(_osg_Version_contents "unknown")
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endif()
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@ -130,6 +131,7 @@ if(OSG_INCLUDE_DIR)
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message(WARNING "[ FindOpenSceneGraph.cmake:${CMAKE_CURRENT_LIST_LINE} ] "
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"Failed to parse version number, please report this as a bug")
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endif()
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unset(_osg_Version_contents)
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set(OPENSCENEGRAPH_VERSION "${_osg_VERSION_MAJOR}.${_osg_VERSION_MINOR}.${_osg_VERSION_PATCH}"
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CACHE INTERNAL "The version of OSG which was detected")
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@ -74,9 +74,9 @@ endif()
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if(QT_INCLUDE_DIR)
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#extract the version string from qglobal.h
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file(READ ${QT_INCLUDE_DIR}/qglobal.h QGLOBAL_H)
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string(REGEX MATCH "#define[\t ]+QT_VERSION_STR[\t ]+\"[0-9]+.[0-9]+.[0-9]+[a-z]*\"" QGLOBAL_H "${QGLOBAL_H}")
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file(STRINGS ${QT_INCLUDE_DIR}/qglobal.h QGLOBAL_H REGEX "#define[\t ]+QT_VERSION_STR[\t ]+\"[0-9]+.[0-9]+.[0-9]+[a-z]*\"")
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string(REGEX REPLACE ".*\"([0-9]+.[0-9]+.[0-9]+[a-z]*)\".*" "\\1" qt_version_str "${QGLOBAL_H}")
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unset(QGLOBAL_H)
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# Under windows the qt library (MSVC) has the format qt-mtXYZ where XYZ is the
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# version X.Y.Z, so we need to remove the dots from version
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@ -223,13 +223,11 @@ macro(KDE3_AUTOMOC)
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if (EXISTS ${_abs_FILE} AND NOT _skip)
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file(READ ${_abs_FILE} _contents)
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file(STRINGS ${_abs_FILE} _match REGEX "#include +[^ ]+\\.moc[\">]")
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get_filename_component(_abs_PATH ${_abs_FILE} PATH)
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string(REGEX MATCHALL "#include +[^ ]+\\.moc[\">]" _match "${_contents}")
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if(_match)
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foreach (_current_MOC_INC ${_match})
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foreach (_current_MOC_INC IN LISTS _match)
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string(REGEX MATCH "[^ <\"]+\\.moc" _current_MOC "${_current_MOC_INC}")
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get_filename_component(_basename ${_current_MOC} NAME_WE)
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@ -246,8 +244,9 @@ macro(KDE3_AUTOMOC)
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ADD_FILE_DEPENDENCIES(${_abs_FILE} ${_moc})
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endforeach ()
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endif()
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unset(_match)
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unset(_header)
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unset(_moc)
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endif ()
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endforeach ()
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endmacro()
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@ -187,15 +187,15 @@ macro (QT4_ADD_RESOURCES outfiles )
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if(EXISTS "${infile}")
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# parse file for dependencies
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# all files are absolute paths or relative to the location of the qrc file
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file(READ "${infile}" _RC_FILE_CONTENTS)
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string(REGEX MATCHALL "<file[^<]+" _RC_FILES "${_RC_FILE_CONTENTS}")
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foreach(_RC_FILE ${_RC_FILES})
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string(REGEX REPLACE "^<file[^>]*>" "" _RC_FILE "${_RC_FILE}")
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file(STRINGS "${infile}" _RC_FILES REGEX "<file[^>]*>[^<]+")
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foreach(_RC_FILE IN LISTS _RC_FILES)
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string(REGEX REPLACE "^<file[^>]*>([^<]*)" "\\1" _RC_FILE "${_RC_FILE}")
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if(NOT IS_ABSOLUTE "${_RC_FILE}")
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set(_RC_FILE "${rc_path}/${_RC_FILE}")
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endif()
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set(_RC_DEPENDS ${_RC_DEPENDS} "${_RC_FILE}")
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endforeach()
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unset(_RC_FILES)
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# Since this cmake macro is doing the dependency scanning for these files,
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# let's make a configured file and add it as a dependency so cmake is run
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# again when dependencies need to be recomputed.
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