MegaGlest/mk/cmake/Modules/FindFriBiDi.cmake

98 lines
3.5 KiB
CMake

# - Find the native FriBiDI includes and library
#
#
# This module defines
# FRIBIDI_INCLUDE_DIR, where to find fribidi.h, etc.
# FRIBIDI_LIBRARIES, the libraries to link against to use FriBiDi.
# PNG_DEFINITIONS - You should ADD_DEFINITONS(${PNG_DEFINITIONS}) before compiling code that includes png library files.
# FRIBIDI_FOUND, If false, do not try to use PNG.
# also defined, but not for general use are
# FRIBIDI_LIBRARY, where to find the FriBiDi library.
#
# If this module finds an old version of fribidi, then this module will run
# add_definitions(-DOLD_FRIBIDI)
include(CheckSymbolExists)
SET(FRIBIDI_FOUND "NO")
MESSAGE(STATUS "** Searching for library: FriBiDi...")
# Set variable in temp var, otherwise FIND_PATH might fail
# unset isn't present in the required version of cmake.
FIND_PATH(xFRIBIDI_INCLUDE_DIR fribidi.h
/usr/local/include/fribidi
/usr/include/fribidi
)
set(FRIBIDI_INCLUDE_DIR ${xFRIBIDI_INCLUDE_DIR})
SET(FRIBIDI_NAMES ${FRIBIDI_NAMES} fribidi libfribidi)
OPTION(WANT_STATIC_LIBS "builds as many static libs as possible" OFF)
IF(WANT_STATIC_LIBS)
SET(FRIBIDI_NAMES fribidi.a libfribidi.a ${FRIBIDI_NAMES})
ENDIF()
FIND_LIBRARY(FRIBIDI_LIBRARY
NAMES ${FRIBIDI_NAMES}
PATHS /usr/lib /usr/local/lib
)
IF (FRIBIDI_LIBRARY AND FRIBIDI_INCLUDE_DIR)
SET(CMAKE_REQUIRED_INCLUDES ${FRIBIDI_INCLUDE_DIR})
SET(CMAKE_REQUIRED_LIBRARIES ${FRIBIDI_LIBRARY})
CHECK_SYMBOL_EXISTS(fribidi_utf8_to_unicode fribidi.h FOUND_fribidi_utf8_to_unicode)
CHECK_SYMBOL_EXISTS(fribidi_charset_to_unicode fribidi.h FOUND_fribidi_charset_to_unicode)
CHECK_SYMBOL_EXISTS(FRIBIDI_CHAR_SET_UTF8 fribidi.h FOUND_FRIBIDI_CHAR_SET_UTF8)
# FriBiDi provides both fribidi_utf8_to_unicode and fribidi_charset_to_unicode.
# The difference is that
# 1. fribidi >= 0.10.5 has FRIBIDI_CHAR_SET_UTF8.
# 2. fribidi <= 0.10.4 has FRIBIDI_CHARSET_UTF8.
# Newer versions of fribidi (not tested the initial version which has the
# issue, but at least 0.19.2 has the issue) no longer have the symbol
# FRIBIDI_CHAR_SET_UTF8. But the symbol is build with some macros confusing
# cmake. To test for that case let the compiler give its verdict.
if(FOUND_fribidi_charset_to_unicode AND NOT FOUND_FRIBIDI_CHAR_SET_UTF8)
file(WRITE "${CMAKE_BINARY_DIR}/fribidi_test.c"
"#include <fribidi.h>\nint main(){FriBidiCharSet s = FRIBIDI_CHAR_SET_UTF8;}"
)
try_compile(FOUND_FRIBIDI_CHAR_SET_UTF8
"${CMAKE_BINARY_DIR}"
"${CMAKE_BINARY_DIR}/fribidi_test.c"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${FRIBIDI_INCLUDE_DIR}"
)
file(REMOVE "${CMAKE_BINARY_DIR}/fribidi_test.c")
endif(FOUND_fribidi_charset_to_unicode AND NOT FOUND_FRIBIDI_CHAR_SET_UTF8)
if(FOUND_fribidi_charset_to_unicode AND FOUND_FRIBIDI_CHAR_SET_UTF8)
# fribidi >= 0.10.5
SET(FRIBIDI_LIBRARIES ${FRIBIDI_LIBRARY})
SET(FRIBIDI_FOUND "YES")
elseif(FOUND_fribidi_utf8_to_unicode)
# fribidi <= 0.10.4
SET(FRIBIDI_LIBRARIES ${FRIBIDI_LIBRARY})
SET(FRIBIDI_FOUND "YES")
add_definitions(-DOLD_FRIBIDI)
MESSAGE(STATUS "Legacy FriBiDi: ${FRIBIDI_LIBRARY}")
else()
SET(FRIBIDI_LIBRARIES "NOTFOUND")
SET(FRIBIDI_INCLUDE_DIR "NOTFOUND")
SET(FRIBIDI_FOUND "NO")
endif()
ENDIF (FRIBIDI_LIBRARY AND FRIBIDI_INCLUDE_DIR)
IF (FRIBIDI_FOUND)
IF (NOT FRIBIDI_FIND_QUIETLY)
MESSAGE(STATUS "Using FriBiDi: ${FRIBIDI_LIBRARY}")
ENDIF (NOT FRIBIDI_FIND_QUIETLY)
ELSE (FRIBIDI_FOUND)
IF (FRIBIDI_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could not find FriBiDi library")
ENDIF (FRIBIDI_FIND_REQUIRED)
ENDIF (FRIBIDI_FOUND)