diff options
Diffstat (limited to 'cmake/modules/FindLibXml2.cmake')
-rw-r--r-- | cmake/modules/FindLibXml2.cmake | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/cmake/modules/FindLibXml2.cmake b/cmake/modules/FindLibXml2.cmake new file mode 100644 index 00000000..f3e47629 --- /dev/null +++ b/cmake/modules/FindLibXml2.cmake @@ -0,0 +1,124 @@ +# This code was copied from https://gitlab.kitware.com/cmake/cmake/raw/master/Modules/FindLibXml2.cmake +# and modified to support Wireshark Windows 3rd party packages + +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindLibXml2 +----------- + +Find the XML processing library (libxml2). + +IMPORTED Targets +^^^^^^^^^^^^^^^^ + +This module defines :prop_tgt:`IMPORTED` target ``LibXml2::LibXml2``, if +libxml2 has been found. + +Result variables +^^^^^^^^^^^^^^^^ + +This module will set the following variables in your project: + +``LIBXML2_FOUND`` + true if libxml2 headers and libraries were found +``LIBXML2_INCLUDE_DIR`` + the directory containing LibXml2 headers +``LIBXML2_INCLUDE_DIRS`` + list of the include directories needed to use LibXml2 +``LIBXML2_LIBRARIES`` + LibXml2 libraries to be linked +``LIBXML2_DEFINITIONS`` + the compiler switches required for using LibXml2 +``LIBXML2_XMLLINT_EXECUTABLE`` + path to the XML checking tool xmllint coming with LibXml2 +``LIBXML2_VERSION_STRING`` + the version of LibXml2 found (since CMake 2.8.8) + +Cache variables +^^^^^^^^^^^^^^^ + +The following cache variables may also be set: + +``LIBXML2_INCLUDE_DIR`` + the directory containing LibXml2 headers +``LIBXML2_LIBRARY`` + path to the LibXml2 library +#]=======================================================================] + +include(FindWSWinLibs) +FindWSWinLibs("vcpkg-export-.*" LIBXML2_HINTS) + +if (NOT USE_REPOSITORY) # else we'll find Strawberry Perl's pkgconfig + # use pkg-config to get the directories and then use these values + # in the find_path() and find_library() calls + find_package(PkgConfig QUIET) + PKG_CHECK_MODULES(PC_LIBXML QUIET libxml-2.0) + set(LIBXML2_DEFINITIONS ${PC_LIBXML_CFLAGS_OTHER}) +endif() + +find_path(LIBXML2_INCLUDE_DIR NAMES libxml/xpath.h + HINTS + ${PC_LIBXML_INCLUDEDIR} + ${PC_LIBXML_INCLUDE_DIRS} + ${LIBXML2_HINTS}/include + PATH_SUFFIXES libxml2 + ) + +# CMake 3.9 and below used 'LIBXML2_LIBRARIES' as the name of +# the cache entry storing the find_library result. Use the +# value if it was set by the project or user. +if(DEFINED LIBXML2_LIBRARIES AND NOT DEFINED LIBXML2_LIBRARY) + set(LIBXML2_LIBRARY ${LIBXML2_LIBRARIES}) +endif() + +find_library(LIBXML2_LIBRARY NAMES xml2 libxml2 libxml2-2 + HINTS + ${PC_LIBXML_LIBDIR} + ${PC_LIBXML_LIBRARY_DIRS} + ${LIBXML2_HINTS}/lib + ) + +find_program(LIBXML2_XMLLINT_EXECUTABLE xmllint + HINTS + ${LIBXML2_HINTS}/bin + ) +# for backwards compat. with KDE 4.0.x: +set(XMLLINT_EXECUTABLE "${LIBXML2_XMLLINT_EXECUTABLE}") + +if(PC_LIBXML_VERSION) + set(LIBXML2_VERSION_STRING ${PC_LIBXML_VERSION}) +elseif(LIBXML2_INCLUDE_DIR AND EXISTS "${LIBXML2_INCLUDE_DIR}/libxml/xmlversion.h") + file(STRINGS "${LIBXML2_INCLUDE_DIR}/libxml/xmlversion.h" libxml2_version_str + REGEX "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\".*\"") + + string(REGEX REPLACE "^#define[\t ]+LIBXML_DOTTED_VERSION[\t ]+\"([^\"]*)\".*" "\\1" + LIBXML2_VERSION_STRING "${libxml2_version_str}") + unset(libxml2_version_str) +endif() + +set(LIBXML2_INCLUDE_DIRS ${LIBXML2_INCLUDE_DIR} ${PC_LIBXML_INCLUDE_DIRS}) +set(LIBXML2_LIBRARIES ${LIBXML2_LIBRARY}) + +include(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibXml2 + REQUIRED_VARS LIBXML2_LIBRARY LIBXML2_INCLUDE_DIR + VERSION_VAR LIBXML2_VERSION_STRING) + +mark_as_advanced(LIBXML2_INCLUDE_DIR LIBXML2_LIBRARY LIBXML2_XMLLINT_EXECUTABLE) + +if(LibXml2_FOUND) + # Include transitive dependencies for static linking. + if(UNIX AND CMAKE_FIND_LIBRARY_SUFFIXES STREQUAL ".a") + list(APPEND LIBXML2_LIBRARIES ${PC_LIBXML_LIBRARIES}) + endif() + + if (NOT TARGET LibXml2::LibXml2) + add_library(LibXml2::LibXml2 UNKNOWN IMPORTED) + set_target_properties(LibXml2::LibXml2 PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${LIBXML2_INCLUDE_DIRS}") + set_property(TARGET LibXml2::LibXml2 APPEND PROPERTY IMPORTED_LOCATION "${LIBXML2_LIBRARY}") + endif() +endif() + +AddWSWinDLLS(LibXml2 LIBXML2_HINTS "libxml2*" "liblzma*") |