wireshark/cmake/modules/FindGNUTLS.cmake

91 lines
2.6 KiB
CMake

#
# - Find gnutls
# Find the native GNUTLS includes and library
#
# GNUTLS_INCLUDE_DIRS - where to find gnutls.h, etc.
# GNUTLS_LIBRARIES - List of libraries when using gnutls.
# GNUTLS_FOUND - True if gnutls found.
# GNUTLS_DLL_DIR - (Windows) Path to the GnuTLS DLLs.
# GNUTLS_DLLS - (Windows) List of required GnuTLS DLLs.
if(GNUTLS_INCLUDE_DIRS)
# Already in cache, be silent
set(GNUTLS_FIND_QUIETLY TRUE)
endif()
include(FindWSWinLibs)
findwswinlibs("gnutls-.*" "GNUTLS_HINTS")
if(NOT WIN32)
find_package(PkgConfig)
pkg_search_module(GNUTLS gnutls)
endif()
# sources include gnutls/gnutls.h, look for that location instead of gnutls.h.
find_path(GNUTLS_INCLUDE_DIR
NAMES
gnutls/gnutls.h
HINTS
"${GNUTLS_INCLUDEDIR}"
"${GNUTLS_HINTS}/include"
)
find_library(GNUTLS_LIBRARY
NAMES
gnutls libgnutls-28 libgnutls-30
HINTS
"${GNUTLS_LIBDIR}"
"${GNUTLS_HINTS}/bin"
)
# On systems without pkg-config (e.g. Windows), search its header
# (available since GnuTLS 0.1.3)
if(NOT GNUTLS_VERSION)
if(GNUTLS_INCLUDE_DIR)
set(_version_regex "^#define[ \t]+GNUTLS_VERSION[ \t]+\"([^\"]+)\".*")
file(STRINGS "${GNUTLS_INCLUDE_DIR}/gnutls/gnutls.h" GNUTLS_VERSION REGEX "${_version_regex}")
string(REGEX REPLACE "${_version_regex}" "\\1" GNUTLS_VERSION "${GNUTLS_VERSION}")
unset(_version_regex)
endif()
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GNUTLS
REQUIRED_VARS GNUTLS_LIBRARY GNUTLS_INCLUDE_DIR
VERSION_VAR GNUTLS_VERSION)
if(GNUTLS_FOUND)
set(GNUTLS_LIBRARIES ${GNUTLS_LIBRARY})
set(GNUTLS_INCLUDE_DIRS ${GNUTLS_INCLUDE_DIR})
if(WIN32)
set(GNUTLS_DLL_DIR "${GNUTLS_HINTS}/bin"
CACHE PATH "Path to the GnuTLS DLLs"
)
# Note: 32-bit glib2-2.52.2-1.34-win32ws needs libgcc_s_sjlj-1.dll too.
file(GLOB _gnutls_dlls RELATIVE "${GNUTLS_DLL_DIR}"
"${GNUTLS_DLL_DIR}/libgmp-*.dll"
"${GNUTLS_DLL_DIR}/libgcc_s_*.dll"
"${GNUTLS_DLL_DIR}/libffi-*.dll"
"${GNUTLS_DLL_DIR}/libgnutls-*.dll"
"${GNUTLS_DLL_DIR}/libhogweed-*.dll"
"${GNUTLS_DLL_DIR}/libnettle-*.dll"
"${GNUTLS_DLL_DIR}/libp11-kit-*.dll"
"${GNUTLS_DLL_DIR}/libtasn1-*.dll"
"${GNUTLS_DLL_DIR}/libwinpthread-*.dll"
)
set(GNUTLS_DLLS ${_gnutls_dlls}
# We're storing filenames only. Should we use STRING instead?
CACHE FILEPATH "GnuTLS DLL list"
)
mark_as_advanced(GNUTLS_DLL_DIR GNUTLS_DLLS)
endif()
else()
set(GNUTLS_LIBRARIES)
set(GNUTLS_INCLUDE_DIRS)
set(GNUTLS_DLL_DIR)
set(GNUTLS_DLLS)
endif()
mark_as_advanced(GNUTLS_LIBRARIES GNUTLS_INCLUDE_DIRS)