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|
include(CheckLibraryExists)
include(CheckCSourceCompiles)
string(TOUPPER ${PROJECT_NAME} _UPPER_PROJECT_NAME)
set(_PROJECT_DEPENDENCY_DIR ${_UPPER_PROJECT_NAME}_DEPENDENCY_DIR)
find_library(LIBXML_LIBRARY
NAMES libxml2s xml2s libxml2.lib xml2
PATHS ${${_PROJECT_DEPENDENCY_DIR}}/lib64
${${_PROJECT_DEPENDENCY_DIR}}/lib
NO_DEFAULT_PATH
)
if (NOT LIBXML_LIBRARY)
find_library(LIBXML_LIBRARY
NAMES libxml2s xml2s libxml2.lib xml2
PATHS /usr/lib /usr/local/lib
${${_PROJECT_DEPENDENCY_DIR}}/lib
DOC "The file name of the libxml2 library."
)
endif()
find_path(LIBXML_INCLUDE_DIR
NAMES libxml/parser.h
PATHS ${${_PROJECT_DEPENDENCY_DIR}}/include
${${_PROJECT_DEPENDENCY_DIR}}/include/libxml2
NO_DEFAULT_PATH
)
if (NOT LIBXML_INCLUDE_DIR)
find_path(LIBXML_INCLUDE_DIR
NAMES libxml/parser.h
PATHS ${${_PROJECT_DEPENDENCY_DIR}}/include
${${_PROJECT_DEPENDENCY_DIR}}/include/libxml2
/usr/include /usr/local/include
/usr/include/libxml2
${CMAKE_OSX_SYSROOT}/usr/include/libxml2
/usr/local/include/libxml2
DOC "The directory containing the libxml2 include files."
)
endif()
if(LIBXML_INCLUDE_DIR AND EXISTS "${LIBXML_INCLUDE_DIR}/libxml/xmlversion.h")
file(STRINGS "${LIBXML_INCLUDE_DIR}/libxml/xmlversion.h" libxml2_version_str
REGEX "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\".*\"")
string(REGEX REPLACE "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\"([^\"]*)\".*" "\\1"
LIBXML_VERSION "${libxml2_version_str}")
unset(libxml2_version_str)
endif()
# populate EXTRA_LIBS variable
find_library(LIBICONV_LIBRARY
NAMES libiconv.lib iconv.lib iconv
PATHS ${${_PROJECT_DEPENDENCY_DIR}}/lib64
${${_PROJECT_DEPENDENCY_DIR}}/lib
/usr/lib /usr/local/lib
${CMAKE_OSX_SYSROOT}/usr/lib
DOC "The file name of the libiconv library."
)
set(ADDITIONAL_LIBS)
if (EXISTS ${LIBICONV_LIBRARY})
set(ADDITIONAL_LIBS "${ADDITIONAL_LIBS}${LIBICONV_LIBRARY};")
endif()
find_package(ZLIB QUIET)
if (EXISTS ${ZLIB_LIBRARY})
set(ADDITIONAL_LIBS "${ADDITIONAL_LIBS}ZLIB::ZLIB;")
endif()
if (WIN32)
set(ADDITIONAL_LIBS "ws2_32.lib;${ADDITIONAL_LIBS}")
endif()
CHECK_LIBRARY_EXISTS(m sin "" HAVE_LIB_M)
if (HAVE_LIB_M)
set(ADDITIONAL_LIBS ${ADDITIONAL_LIBS} m)
endif (HAVE_LIB_M)
if(NOT TARGET LIBXML::LIBXML)
add_library(LIBXML::LIBXML UNKNOWN IMPORTED)
set_target_properties(LIBXML::LIBXML PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES "C"
IMPORTED_LOCATION "${LIBXML_LIBRARY}"
INTERFACE_INCLUDE_DIRECTORIES "${LIBXML_INCLUDE_DIR}"
INTERFACE_LINK_LIBRARIES "${ADDITIONAL_LIBS}"
)
endif()
# figure out if we need XML_STATIC flag
if (LIBXML_INCLUDE_DIR AND LIBXML_LIBRARY)
set(LIBXML_LIBXML_CODE
"
#include <libxml/xmlversion.h>
#include <libxml/parser.h>
#include <stdio.h>
int
main(void)
{
LIBXML_TEST_VERSION
xmlKeepBlanksDefault(0);
xmlDocPtr doc = xmlParseFile(\"none\");
xmlCleanupParser();
return 0;
}
"
)
set(CMAKE_REQUIRED_LIBRARIES_CACHE ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_INCLUDES_CACHE ${CMAKE_REQUIRED_INCLUDES})
set(CMAKE_REQUIRED_DEFINITIONS_CACHE ${CMAKE_REQUIRED_DEFINITIONS})
unset(LIBXML_LIBXML_TEST)
unset(LIBXML_LIBXML_TEST2)
set(LIBXML_LIBXML_TEST)
set(CMAKE_REQUIRED_LIBRARIES "${LIBXML_LIBRARY};${ADDITIONAL_LIBS}")
set(CMAKE_REQUIRED_INCLUDES "${LIBXML_INCLUDE_DIR}")
CHECK_C_SOURCE_COMPILES("${LIBXML_LIBXML_CODE}" LIBXML_LIBXML_TEST)
message(STATUS "LIBXML_LIBXML_TEST = ${LIBXML_LIBXML_TEST}")
if (NOT LIBXML_LIBXML_TEST)
set(CMAKE_REQUIRED_LIBRARIES "${LIBXML_LIBRARY};${ADDITIONAL_LIBS}")
set(CMAKE_REQUIRED_INCLUDES "${LIBXML_INCLUDE_DIR}")
set(CMAKE_REQUIRED_DEFINITIONS "-DLIBXML_STATIC=1")
CHECK_C_SOURCE_COMPILES("${LIBXML_LIBXML_CODE}" LIBXML_LIBXML_TEST2)
message(STATUS "LIBXML_LIBXML_TEST2 = ${LIBXML_LIBXML_TEST2}")
if (LIBXML_LIBXML_TEST2)
set_target_properties(LIBXML::LIBXML PROPERTIES
INTERFACE_COMPILE_DEFINITIONS "LIBXML_STATIC=1"
)
else()
message(FATAL_ERROR "Unable to compile a test executable against LIBXML
LIBXML_INCLUDE_DIR = ${LIBXML_INCLUDE_DIR}
LIBXML_LIBRARY = ${LIBXML_LIBRARY}
")
endif()
endif()
set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_CACHE})
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_CACHE})
set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS_CACHE})
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(
LIBXML
VERSION_VAR LIBXML_VERSION
REQUIRED_VARS LIBXML_LIBRARY LIBXML_INCLUDE_DIR)
mark_as_advanced(LIBXML_VERSION)
|
