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FindFreetype: support version selection

This commit is contained in:
Rolf Eike Beer 2012-02-17 18:31:23 +01:00
parent d03606a19c
commit f58cce031e
1 changed files with 26 additions and 2 deletions
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28
Modules/FindFreetype.cmake
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@ -3,6 +3,7 @@
# FREETYPE_LIBRARIES, the library to link against
# FREETYPE_FOUND, if false, do not try to link to FREETYPE
# FREETYPE_INCLUDE_DIRS, where to find headers.
# FREETYPE_VERSION_STRING, the version of freetype found (since CMake 2.8.8)
# This is the concatenation of the paths:
# FREETYPE_INCLUDE_DIR_ft2build
# FREETYPE_INCLUDE_DIR_freetype2
@ -77,10 +78,33 @@ IF(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
ENDIF(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
SET(FREETYPE_LIBRARIES "${FREETYPE_LIBRARY}")
IF(FREETYPE_INCLUDE_DIR_freetype2 AND EXISTS "${FREETYPE_INCLUDE_DIR_freetype2}/freetype/freetype.h")
FILE(STRINGS "${FREETYPE_INCLUDE_DIR_freetype2}/freetype/freetype.h" freetype_version_str
REGEX "^#[\t ]*define[\t ]+FREETYPE_(MAJOR|MINOR|PATCH)[\t ]+[0-9]+$")
UNSET(FREETYPE_VERSION_STRING)
FOREACH(VPART MAJOR MINOR PATCH)
FOREACH(VLINE ${freetype_version_str})
IF(VLINE MATCHES "^#[\t ]*define[\t ]+FREETYPE_${VPART}")
STRING(REGEX REPLACE "^#[\t ]*define[\t ]+FREETYPE_${VPART}[\t ]+([0-9]+)$" "\\1"
FREETYPE_VERSION_PART "${VLINE}")
IF(FREETYPE_VERSION_STRING)
SET(FREETYPE_VERSION_STRING "${FREETYPE_VERSION_STRING}.${FREETYPE_VERSION_PART}")
ELSE(FREETYPE_VERSION_STRING)
SET(FREETYPE_VERSION_STRING "${FREETYPE_VERSION_PART}")
ENDIF(FREETYPE_VERSION_STRING)
UNSET(FREETYPE_VERSION_PART)
ENDIF()
ENDFOREACH(VLINE)
ENDFOREACH(VPART)
ENDIF(FREETYPE_INCLUDE_DIR_freetype2 AND EXISTS "${FREETYPE_INCLUDE_DIR_freetype2}/freetype/freetype.h")
# handle the QUIETLY and REQUIRED arguments and set FREETYPE_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Freetype DEFAULT_MSG FREETYPE_LIBRARY FREETYPE_INCLUDE_DIRS)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Freetype
REQUIRED_VARS FREETYPE_LIBRARY FREETYPE_INCLUDE_DIRS
VERSION_VAR FREETYPE_VERSION_STRING)
MARK_AS_ADVANCED(FREETYPE_LIBRARY FREETYPE_INCLUDE_DIR_freetype2 FREETYPE_INCLUDE_DIR_ft2build)