Merge topic 'FindGIFAndFreetypeCleanupAndEnhancements'

81a70c6 Add basic version check for giflib
2462f65 FindGif: add giflib4 as one more name for the library under Windows
f97620e FindGIF/FindFreetype.cmake: remove standard search paths from find-calls
7c38523 Strip trailing whitespace
This commit is contained in:
David Cole 2011-08-02 15:11:53 -04:00 committed by CMake Topic Stage
commit 6a11727154
2 changed files with 41 additions and 36 deletions

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@ -24,45 +24,38 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# Created by Eric Wing.
# Created by Eric Wing.
# Modifications by Alexander Neundorf.
# This file has been renamed to "FindFreetype.cmake" instead of the correct
# "FindFreeType.cmake" in order to be compatible with the one from KDE4, Alex.
# Ugh, FreeType seems to use some #include trickery which
# Ugh, FreeType seems to use some #include trickery which
# makes this harder than it should be. It looks like they
# put ft2build.h in a common/easier-to-find location which
# then contains a #include to a more specific header in a
# then contains a #include to a more specific header in a
# more specific location (#include <freetype/config/ftheader.h>).
# Then from there, they need to set a bunch of #define's
# Then from there, they need to set a bunch of #define's
# so you can do something like:
# #include FT_FREETYPE_H
# Unfortunately, using CMake's mechanisms like INCLUDE_DIRECTORIES()
# wants explicit full paths and this trickery doesn't work too well.
# I'm going to attempt to cut out the middleman and hope
# I'm going to attempt to cut out the middleman and hope
# everything still works.
FIND_PATH(FREETYPE_INCLUDE_DIR_ft2build ft2build.h
FIND_PATH(FREETYPE_INCLUDE_DIR_ft2build ft2build.h
HINTS
$ENV{FREETYPE_DIR}
PATH_SUFFIXES include
PATHS
/usr/local/X11R6/include
/usr/local/X11/include
/usr/X11/include
/sw/include
/opt/local/include
/usr/freeware/include
)
FIND_PATH(FREETYPE_INCLUDE_DIR_freetype2 freetype/config/ftheader.h
FIND_PATH(FREETYPE_INCLUDE_DIR_freetype2 freetype/config/ftheader.h
HINTS
$ENV{FREETYPE_DIR}/include/freetype2
PATHS
/usr/local/X11R6/include
/usr/local/X11/include
/usr/X11/include
/sw/include
/opt/local/include
/usr/freeware/include
PATH_SUFFIXES freetype2
)
@ -75,8 +68,6 @@ FIND_LIBRARY(FREETYPE_LIBRARY
PATHS
/usr/local/X11R6
/usr/local/X11
/usr/X11
/sw
/usr/freeware
)
@ -86,7 +77,7 @@ IF(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
ENDIF(FREETYPE_INCLUDE_DIR_ft2build AND FREETYPE_INCLUDE_DIR_freetype2)
SET(FREETYPE_LIBRARIES "${FREETYPE_LIBRARY}")
# handle the QUIETLY and REQUIRED arguments and set FREETYPE_FOUND to TRUE if
# 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)

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@ -1,7 +1,11 @@
# This module defines
# This module searches giflib and defines
# GIF_LIBRARIES - libraries to link to in order to use GIF
# GIF_FOUND, if false, do not try to link
# GIF_FOUND, if false, do not try to link
# GIF_INCLUDE_DIR, where to find the headers
# GIF_VERSION, reports either version 4 or 3 (for everything before version 4)
#
# The minimum required version of giflib can be specified using the
# standard syntax, e.g. FIND_PACKAGE(GIF 4)
#
# $GIF_DIR is an environment variable that would
# correspond to the ./configure --prefix=$GIF_DIR
@ -19,7 +23,7 @@
# (To distribute this file outside of CMake, substitute the full
# License text for the above reference.)
# Created by Eric Wing.
# Created by Eric Wing.
# Modifications by Alexander Neundorf
FIND_PATH(GIF_INCLUDE_DIR gif_lib.h
@ -28,39 +32,49 @@ FIND_PATH(GIF_INCLUDE_DIR gif_lib.h
PATH_SUFFIXES include
PATHS
~/Library/Frameworks
/Library/Frameworks
/sw/include # Fink
[HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session\ Manager\\Environment;OSG_ROOT]/include
/usr/freeware/include
/usr/freeware
)
# the gif library can have many names :-/
SET(POTENTIAL_GIF_LIBS gif libgif ungif libungif giflib)
SET(POTENTIAL_GIF_LIBS gif libgif ungif libungif giflib giflib4)
FIND_LIBRARY(GIF_LIBRARY
FIND_LIBRARY(GIF_LIBRARY
NAMES ${POTENTIAL_GIF_LIBS}
HINTS
$ENV{GIF_DIR}
PATH_SUFFIXES lib64 lib
PATHS
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw
/opt/local
/opt/csw
/opt
[HKEY_LOCAL_MACHINE\\SYSTEM\\CurrentControlSet\\Control\\Session\ Manager\\Environment;OSG_ROOT]
/usr/freeware
)
# see readme.txt
SET(GIF_LIBRARIES ${GIF_LIBRARY})
# handle the QUIETLY and REQUIRED arguments and set GIF_FOUND to TRUE if
# Very basic version detection.
# The GIF_LIB_VERSION string in gif_lib.h seems to be unreliable, since it seems
# to be always " Version 2.0, " in versions 3.x of giflib.
# In version 4 the member UserData was added to GifFileType, so we check for this
# one.
# http://giflib.sourcearchive.com/documentation/4.1.4/files.html
IF(GIF_INCLUDE_DIR)
INCLUDE(CMakePushCheckState)
INCLUDE(CheckStructHasMember)
CMAKE_PUSH_CHECK_STATE()
SET(GIF_VERSION 3)
SET(CMAKE_REQUIRED_INCLUDES "${GIF_INCLUDE_DIR}")
CHECK_STRUCT_HAS_MEMBER(GifFileType UserData gif_lib.h GIF_GifFileType_UserData )
IF(GIF_GifFileType_UserData)
SET(GIF_VERSION 4)
ENDIF()
CMAKE_POP_CHECK_STATE()
ENDIF()
# handle the QUIETLY and REQUIRED arguments and set GIF_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GIF DEFAULT_MSG GIF_LIBRARY GIF_INCLUDE_DIR)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GIF REQUIRED_VARS GIF_LIBRARY GIF_INCLUDE_DIR
VERSION_VAR GIF_VERSION )
MARK_AS_ADVANCED(GIF_INCLUDE_DIR GIF_LIBRARY)