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gr-fosphor/cmake: New FindFreetype2 to deal with include changes 

This fixes build issues with newer freetype2 2.5 and above.

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Michael Dickens 2013-12-06 13:24:32 +01:00 committed by Sylvain Munaut
parent bdd18cb2bc
commit 27ef84513e
1 changed files with 94 additions and 17 deletions
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111
cmake/Modules/FindFreetype2.cmake
View File

@ -1,27 +1,104 @@
if(NOT FREETYPE2_FOUND)
INCLUDE(FindPkgConfig)
pkg_check_modules (FREETYPE2_PKG freetype2)
find_path(FREETYPE2_INCLUDE_DIRS NAMES freetype/freetype.h
HINTS ${FREETYPE2_PKG_INCLUDE_DIRS}
# find ft2build.h, which was added in 2.1.6; this could be in the
# top level include directory (for API release 16 or earlier) or in
# freetype2 (for API release 17 or later).
find_path(FREETYPE2_INCLUDE_DIR_ft2build
NAMES
ft2build.h
HINTS
${FREETYPE2_PKG_INCLUDE_DIRS}
ENV FREETYPE2_DIR
PATHS
/usr/include/freetype2
/usr/local/include/freetype2
/usr
/usr/local
/opt/local
PATH_SUFFIXES
include/freetype2
include
)
find_library(FREETYPE2_LIBRARIES NAMES freetype
HINTS ${FREETYPE2_PKG_LIBRARY_DIRS}
PATHS
/usr/lib
/usr/local/lib
)
if(FREETYPE2_INCLUDE_DIR_ft2build)
if(FREETYPE2_INCLUDE_DIRS AND FREETYPE2_LIBRARIES)
set(FREETYPE2_FOUND TRUE CACHE INTERNAL "freetype2 found")
message(STATUS "Found freetype2: ${FREETYPE2_INCLUDE_DIR}, ${FREETYPE2_LIBRARIES}")
else(FREETYPE2_INCLUDE_DIRS AND FREETYPE2_LIBRARIES)
set(FREETYPE2_FOUND FALSE CACHE INTERNAL "freetype2 found")
message(STATUS "freetype2 not found.")
endif(FREETYPE2_INCLUDE_DIRS AND FREETYPE2_LIBRARIES)
# Freetype changed header locations between API release 16 and 17;
# look for config/ftheader.h depending on the API release number.
if(NOT FREETYPE2_PKG_VERSION)
# PKGCONFIG failed to find a package, but ft2build.h was
# located. Guess API release version based on trailing
# directory of ft2build.h location.
STRING(REGEX MATCH "[^/]*$" FREETYPE2_ft2build_DIR ${FREETYPE2_INCLUDE_DIR_ft2build})
message("FREETYPE2_ft2build_DIR is '${FREETYPE2_ft2build_DIR}'")
STRING(COMPARE NOTEQUAL ${FREETYPE2_ft2build_DIR} "freetype2" FREETYPE_IS_2_4_OR_EARLIER)
else(NOT FREETYPE2_PKG_VERSION)
# PKGCONFIG provides version information; use that
STRING(REGEX MATCH "[^.]*" FREETYPE2_RELEASE ${FREETYPE2_PKG_VERSION})
STRING(COMPARE LESS ${FREETYPE2_RELEASE} 17 FREETYPE_IS_2_4_OR_EARLIER)
endif(NOT FREETYPE2_PKG_VERSION)
if(FREETYPE_IS_2_4_OR_EARLIER)
# freetype 2.4 or earlier
set(FTHEADER_NAME freetype/config/ftheader.h)
else(FREETYPE_IS_2_4_OR_EARLIER)
# freetype 2.5 or later
set(FTHEADER_NAME config/ftheader.h)
endif(FREETYPE_IS_2_4_OR_EARLIER)
find_path(FREETYPE2_INCLUDE_DIR_ftheader
NAMES
${FTHEADER_NAME}
HINTS
${FREETYPE2_PKG_INCLUDE_DIRS}
${FREETYPE2_INCLUDE_DIR_ft2build}
ENV FREETYPE2_DIR
PATH_SUFFIXES
freetype2
include/freetype2
include
NO_DEFAULT_PATH
)
if(FREETYPE2_INCLUDE_DIR_ftheader)
string(COMPARE EQUAL ${FREETYPE2_INCLUDE_DIR_ft2build} ${FREETYPE2_INCLUDE_DIR_ftheader} FREETYPE2_DIRS_SAME)
if(FREETYPE2_DIRS_SAME)
set(FREETYPE2_INCLUDE_DIRS ${FREETYPE2_INCLUDE_DIR_ft2build})
else()
set(FREETYPE2_INCLUDE_DIRS ${FREETYPE2_INCLUDE_DIR_ft2build};${FREETYPE2_INCLUDE_DIR_ftheader})
endif()
find_library(FREETYPE2_LIBRARIES
NAMES
freetype
HINTS
${FREETYPE2_PKG_LIBRARY_DIRS}
ENV FREETYPE_DIR
PATHS
/usr
/usr/local
/opt/local
PATH_SUFFIXES
lib
lib64
)
if(FREETYPE2_LIBRARIES)
set(FREETYPE2_FOUND TRUE CACHE INTERNAL "freetype2 found")
message(STATUS "Found freetype2: ${FREETYPE2_INCLUDE_DIRS}, ${FREETYPE2_LIBRARIES}")
else(FREETYPE2_INCLUDE_DIRS AND FREETYPE2_LIBRARIES)
set(FREETYPE2_FOUND FALSE CACHE INTERNAL "freetype2 found")
message(STATUS "freetype2 not found.")
endif(FREETYPE2_LIBRARIES)
endif(FREETYPE2_INCLUDE_DIR_ftheader)
endif(FREETYPE2_INCLUDE_DIR_ft2build)
mark_as_advanced(FREETYPE2_INCLUDE_DIRS FREETYPE2_LIBRARIES)