forked from Mirrors/openclonk
CMake: Fallback to the system FindFreetype if pkg-config fails
Instead of shipping our own copy of FindFreetype.cmake, use the system one if pkg-config is not available or can't find FreeType.issue1247
Nicolas Hake
parent
2b2d70d02a
commit
ee62586013
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@ -20,7 +20,7 @@ if(POLICY CMP0054)
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cmake_policy(SET CMP0054 NEW)
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endif()
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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include(Version.txt)
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@ -1,6 +1,6 @@
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# OpenClonk, http://www.openclonk.org
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#
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# Copyright (c) 2014, The OpenClonk Team and contributors
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# Copyright (c) 2014-2015, The OpenClonk Team and contributors
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#
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# Distributed under the terms of the ISC license; see accompanying file
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# "COPYING" for details.
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@ -38,5 +38,9 @@ if(PKG_CONFIG_FOUND)
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endif()
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if(NOT FREETYPE_FOUND)
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include(LegacyFindFreetype)
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# Fallback to system FindFreetype
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set(_ft_module_path "${CMAKE_MODULE_PATH}")
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unset(CMAKE_MODULE_PATH)
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include(FindFreetype)
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set(CMAKE_MODULE_PATH "${_ft_module_path}")
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endif()
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@ -1,143 +0,0 @@
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# - Locate FreeType library
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# This module defines
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# FREETYPE_LIBRARIES, the library to link against
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# FREETYPE_FOUND, if false, do not try to link to FREETYPE
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# FREETYPE_INCLUDE_DIRS, where to find headers.
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# FREETYPE_VERSION_STRING, the version of freetype found (since CMake 2.8.8)
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# This is the concatenation of the paths:
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# FREETYPE_INCLUDE_DIR_ft2build
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# FREETYPE_INCLUDE_DIR_freetype2
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#
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# $FREETYPE_DIR is an environment variable that would
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# correspond to the ./configure --prefix=$FREETYPE_DIR
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# used in building FREETYPE.
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#=============================================================================
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# CMake - Cross Platform Makefile Generator
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# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# * Neither the names of Kitware, Inc., the Insight Software Consortium,
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# nor the names of their contributors may be used to endorse or promote
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# products derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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# Created by Eric Wing.
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# Modifications by Alexander Neundorf.
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# This file has been renamed to "FindFreetype.cmake" instead of the correct
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# "FindFreeType.cmake" in order to be compatible with the one from KDE4, Alex.
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# Modified by Nicolas Hake for the OpenClonk Project to make FindFreetype also
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# look for the versioned libraries the freetype MSVC project generates.
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# Ugh, FreeType seems to use some #include trickery which
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# makes this harder than it should be. It looks like they
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# put ft2build.h in a common/easier-to-find location which
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# then contains a #include to a more specific header in a
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# more specific location (#include <freetype/config/ftheader.h>).
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# Then from there, they need to set a bunch of #define's
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# so you can do something like:
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# #include FT_FREETYPE_H
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# Unfortunately, using CMake's mechanisms like include_directories()
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# wants explicit full paths and this trickery doesn't work too well.
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# I'm going to attempt to cut out the middleman and hope
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# everything still works.
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find_path(FREETYPE_INCLUDE_DIR_ft2build ft2build.h
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HINTS
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ENV FREETYPE_DIR
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PATHS
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/usr/X11R6
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/usr/local/X11R6
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/usr/local/X11
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/usr/freeware
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PATH_SUFFIXES include/freetype2 include
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)
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find_path(FREETYPE_INCLUDE_DIR_freetype2 freetype/config/ftheader.h
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HINTS
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ENV FREETYPE_DIR
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PATHS
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/usr/X11R6
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/usr/local/X11R6
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/usr/local/X11
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/usr/freeware
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PATH_SUFFIXES include/freetype2 include
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)
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if(FREETYPE_INCLUDE_DIR_freetype2 AND EXISTS "${FREETYPE_INCLUDE_DIR_freetype2}/freetype/freetype.h")
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file(STRINGS "${FREETYPE_INCLUDE_DIR_freetype2}/freetype/freetype.h" freetype_version_str
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REGEX "^#[\t ]*define[\t ]+FREETYPE_(MAJOR|MINOR|PATCH)[\t ]+[0-9]+$")
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unset(FREETYPE_VERSION_STRING)
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foreach(VPART MAJOR MINOR PATCH)
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foreach(VLINE ${freetype_version_str})
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if(VLINE MATCHES "^#[\t ]*define[\t ]+FREETYPE_${VPART}")
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string(REGEX REPLACE "^#[\t ]*define[\t ]+FREETYPE_${VPART}[\t ]+([0-9]+)$" "\\1"
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FREETYPE_VERSION_PART "${VLINE}")
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if(FREETYPE_VERSION_STRING)
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set(FREETYPE_VERSION_STRING "${FREETYPE_VERSION_STRING}.${FREETYPE_VERSION_PART}")
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else()
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set(FREETYPE_VERSION_STRING "${FREETYPE_VERSION_PART}")
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endif()
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unset(FREETYPE_VERSION_PART)
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endif()
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endforeach()
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endforeach()
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if(FREETYPE_VERSION_STRING)
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string(REPLACE "." "" FREETYPE_VERSIONED_LIBRARY "${FREETYPE_VERSION_STRING}")
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set(FREETYPE_VERSIONED_LIBRARY "freetype${FREETYPE_VERSIONED_LIBRARY}")
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endif()
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endif()
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find_library(FREETYPE_LIBRARY
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NAMES freetype libfreetype freetype219 ${FREETYPE_VERSIONED_LIBRARY}
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HINTS
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ENV FREETYPE_DIR
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PATH_SUFFIXES lib
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PATHS
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/usr/X11R6
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/usr/local/X11R6
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/usr/local/X11
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/usr/freeware
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)
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unset(FREETYPE_VERSIONED_LIBRARY)
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# set the user variables
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if(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
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set(FREETYPE_INCLUDE_DIRS "${FREETYPE_INCLUDE_DIR_ft2build};${FREETYPE_INCLUDE_DIR_freetype2}")
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endif()
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set(FREETYPE_LIBRARIES "${FREETYPE_LIBRARY}")
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# handle the QUIETLY and REQUIRED arguments and set FREETYPE_FOUND to TRUE if
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# all listed variables are TRUE
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include(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Freetype
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REQUIRED_VARS FREETYPE_LIBRARY FREETYPE_INCLUDE_DIRS
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VERSION_VAR FREETYPE_VERSION_STRING)
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mark_as_advanced(FREETYPE_LIBRARY FREETYPE_INCLUDE_DIR_freetype2 FREETYPE_INCLUDE_DIR_ft2build)
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