Annotation of embedaddon/curl/CMake/FindGSS.cmake, revision 1.1
1.1 ! misho 1: #***************************************************************************
! 2: # _ _ ____ _
! 3: # Project ___| | | | _ \| |
! 4: # / __| | | | |_) | |
! 5: # | (__| |_| | _ <| |___
! 6: # \___|\___/|_| \_\_____|
! 7: #
! 8: # Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
! 9: #
! 10: # This software is licensed as described in the file COPYING, which
! 11: # you should have received as part of this distribution. The terms
! 12: # are also available at https://curl.haxx.se/docs/copyright.html.
! 13: #
! 14: # You may opt to use, copy, modify, merge, publish, distribute and/or sell
! 15: # copies of the Software, and permit persons to whom the Software is
! 16: # furnished to do so, under the terms of the COPYING file.
! 17: #
! 18: # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
! 19: # KIND, either express or implied.
! 20: #
! 21: ###########################################################################
! 22: # - Try to find the GSS Kerberos library
! 23: # Once done this will define
! 24: #
! 25: # GSS_ROOT_DIR - Set this variable to the root installation of GSS
! 26: #
! 27: # Read-Only variables:
! 28: # GSS_FOUND - system has the Heimdal library
! 29: # GSS_FLAVOUR - "MIT" or "Heimdal" if anything found.
! 30: # GSS_INCLUDE_DIR - the Heimdal include directory
! 31: # GSS_LIBRARIES - The libraries needed to use GSS
! 32: # GSS_LINK_DIRECTORIES - Directories to add to linker search path
! 33: # GSS_LINKER_FLAGS - Additional linker flags
! 34: # GSS_COMPILER_FLAGS - Additional compiler flags
! 35: # GSS_VERSION - This is set to version advertised by pkg-config or read from manifest.
! 36: # In case the library is found but no version info available it'll be set to "unknown"
! 37:
! 38: set(_MIT_MODNAME mit-krb5-gssapi)
! 39: set(_HEIMDAL_MODNAME heimdal-gssapi)
! 40:
! 41: include(CheckIncludeFile)
! 42: include(CheckIncludeFiles)
! 43: include(CheckTypeSize)
! 44:
! 45: set(_GSS_ROOT_HINTS
! 46: "${GSS_ROOT_DIR}"
! 47: "$ENV{GSS_ROOT_DIR}"
! 48: )
! 49:
! 50: # try to find library using system pkg-config if user didn't specify root dir
! 51: if(NOT GSS_ROOT_DIR AND NOT "$ENV{GSS_ROOT_DIR}")
! 52: if(UNIX)
! 53: find_package(PkgConfig QUIET)
! 54: pkg_search_module(_GSS_PKG ${_MIT_MODNAME} ${_HEIMDAL_MODNAME})
! 55: list(APPEND _GSS_ROOT_HINTS "${_GSS_PKG_PREFIX}")
! 56: elseif(WIN32)
! 57: list(APPEND _GSS_ROOT_HINTS "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MIT\\Kerberos;InstallDir]")
! 58: endif()
! 59: endif()
! 60:
! 61: if(NOT _GSS_FOUND) #not found by pkg-config. Let's take more traditional approach.
! 62: find_file(_GSS_CONFIGURE_SCRIPT
! 63: NAMES
! 64: "krb5-config"
! 65: HINTS
! 66: ${_GSS_ROOT_HINTS}
! 67: PATH_SUFFIXES
! 68: bin
! 69: NO_CMAKE_PATH
! 70: NO_CMAKE_ENVIRONMENT_PATH
! 71: )
! 72:
! 73: # if not found in user-supplied directories, maybe system knows better
! 74: find_file(_GSS_CONFIGURE_SCRIPT
! 75: NAMES
! 76: "krb5-config"
! 77: PATH_SUFFIXES
! 78: bin
! 79: )
! 80:
! 81: if(_GSS_CONFIGURE_SCRIPT)
! 82: execute_process(
! 83: COMMAND ${_GSS_CONFIGURE_SCRIPT} "--cflags" "gssapi"
! 84: OUTPUT_VARIABLE _GSS_CFLAGS
! 85: RESULT_VARIABLE _GSS_CONFIGURE_FAILED
! 86: OUTPUT_STRIP_TRAILING_WHITESPACE
! 87: )
! 88: message(STATUS "CFLAGS: ${_GSS_CFLAGS}")
! 89: if(NOT _GSS_CONFIGURE_FAILED) # 0 means success
! 90: # should also work in an odd case when multiple directories are given
! 91: string(STRIP "${_GSS_CFLAGS}" _GSS_CFLAGS)
! 92: string(REGEX REPLACE " +-I" ";" _GSS_CFLAGS "${_GSS_CFLAGS}")
! 93: string(REGEX REPLACE " +-([^I][^ \\t;]*)" ";-\\1" _GSS_CFLAGS "${_GSS_CFLAGS}")
! 94:
! 95: foreach(_flag ${_GSS_CFLAGS})
! 96: if(_flag MATCHES "^-I.*")
! 97: string(REGEX REPLACE "^-I" "" _val "${_flag}")
! 98: list(APPEND _GSS_INCLUDE_DIR "${_val}")
! 99: else()
! 100: list(APPEND _GSS_COMPILER_FLAGS "${_flag}")
! 101: endif()
! 102: endforeach()
! 103: endif()
! 104:
! 105: execute_process(
! 106: COMMAND ${_GSS_CONFIGURE_SCRIPT} "--libs" "gssapi"
! 107: OUTPUT_VARIABLE _GSS_LIB_FLAGS
! 108: RESULT_VARIABLE _GSS_CONFIGURE_FAILED
! 109: OUTPUT_STRIP_TRAILING_WHITESPACE
! 110: )
! 111: message(STATUS "LDFLAGS: ${_GSS_LIB_FLAGS}")
! 112:
! 113: if(NOT _GSS_CONFIGURE_FAILED) # 0 means success
! 114: # this script gives us libraries and link directories. Blah. We have to deal with it.
! 115: string(STRIP "${_GSS_LIB_FLAGS}" _GSS_LIB_FLAGS)
! 116: string(REGEX REPLACE " +-(L|l)" ";-\\1" _GSS_LIB_FLAGS "${_GSS_LIB_FLAGS}")
! 117: string(REGEX REPLACE " +-([^Ll][^ \\t;]*)" ";-\\1" _GSS_LIB_FLAGS "${_GSS_LIB_FLAGS}")
! 118:
! 119: foreach(_flag ${_GSS_LIB_FLAGS})
! 120: if(_flag MATCHES "^-l.*")
! 121: string(REGEX REPLACE "^-l" "" _val "${_flag}")
! 122: list(APPEND _GSS_LIBRARIES "${_val}")
! 123: elseif(_flag MATCHES "^-L.*")
! 124: string(REGEX REPLACE "^-L" "" _val "${_flag}")
! 125: list(APPEND _GSS_LINK_DIRECTORIES "${_val}")
! 126: else()
! 127: list(APPEND _GSS_LINKER_FLAGS "${_flag}")
! 128: endif()
! 129: endforeach()
! 130: endif()
! 131:
! 132: execute_process(
! 133: COMMAND ${_GSS_CONFIGURE_SCRIPT} "--version"
! 134: OUTPUT_VARIABLE _GSS_VERSION
! 135: RESULT_VARIABLE _GSS_CONFIGURE_FAILED
! 136: OUTPUT_STRIP_TRAILING_WHITESPACE
! 137: )
! 138:
! 139: # older versions may not have the "--version" parameter. In this case we just don't care.
! 140: if(_GSS_CONFIGURE_FAILED)
! 141: set(_GSS_VERSION 0)
! 142: endif()
! 143:
! 144: execute_process(
! 145: COMMAND ${_GSS_CONFIGURE_SCRIPT} "--vendor"
! 146: OUTPUT_VARIABLE _GSS_VENDOR
! 147: RESULT_VARIABLE _GSS_CONFIGURE_FAILED
! 148: OUTPUT_STRIP_TRAILING_WHITESPACE
! 149: )
! 150:
! 151: # older versions may not have the "--vendor" parameter. In this case we just don't care.
! 152: if(_GSS_CONFIGURE_FAILED)
! 153: set(GSS_FLAVOUR "Heimdal") # most probably, shouldn't really matter
! 154: else()
! 155: if(_GSS_VENDOR MATCHES ".*H|heimdal.*")
! 156: set(GSS_FLAVOUR "Heimdal")
! 157: else()
! 158: set(GSS_FLAVOUR "MIT")
! 159: endif()
! 160: endif()
! 161:
! 162: else() # either there is no config script or we are on a platform that doesn't provide one (Windows?)
! 163:
! 164: find_path(_GSS_INCLUDE_DIR
! 165: NAMES
! 166: "gssapi/gssapi.h"
! 167: HINTS
! 168: ${_GSS_ROOT_HINTS}
! 169: PATH_SUFFIXES
! 170: include
! 171: inc
! 172: )
! 173:
! 174: if(_GSS_INCLUDE_DIR) #jay, we've found something
! 175: set(CMAKE_REQUIRED_INCLUDES "${_GSS_INCLUDE_DIR}")
! 176: check_include_files( "gssapi/gssapi_generic.h;gssapi/gssapi_krb5.h" _GSS_HAVE_MIT_HEADERS)
! 177:
! 178: if(_GSS_HAVE_MIT_HEADERS)
! 179: set(GSS_FLAVOUR "MIT")
! 180: else()
! 181: # prevent compiling the header - just check if we can include it
! 182: set(CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS} -D__ROKEN_H__")
! 183: check_include_file( "roken.h" _GSS_HAVE_ROKEN_H)
! 184:
! 185: check_include_file( "heimdal/roken.h" _GSS_HAVE_HEIMDAL_ROKEN_H)
! 186: if(_GSS_HAVE_ROKEN_H OR _GSS_HAVE_HEIMDAL_ROKEN_H)
! 187: set(GSS_FLAVOUR "Heimdal")
! 188: endif()
! 189: set(CMAKE_REQUIRED_DEFINITIONS "")
! 190: endif()
! 191: else()
! 192: # I'm not convinced if this is the right way but this is what autotools do at the moment
! 193: find_path(_GSS_INCLUDE_DIR
! 194: NAMES
! 195: "gssapi.h"
! 196: HINTS
! 197: ${_GSS_ROOT_HINTS}
! 198: PATH_SUFFIXES
! 199: include
! 200: inc
! 201: )
! 202:
! 203: if(_GSS_INCLUDE_DIR)
! 204: set(GSS_FLAVOUR "Heimdal")
! 205: endif()
! 206: endif()
! 207:
! 208: # if we have headers, check if we can link libraries
! 209: if(GSS_FLAVOUR)
! 210: set(_GSS_LIBDIR_SUFFIXES "")
! 211: set(_GSS_LIBDIR_HINTS ${_GSS_ROOT_HINTS})
! 212: get_filename_component(_GSS_CALCULATED_POTENTIAL_ROOT "${_GSS_INCLUDE_DIR}" PATH)
! 213: list(APPEND _GSS_LIBDIR_HINTS ${_GSS_CALCULATED_POTENTIAL_ROOT})
! 214:
! 215: if(WIN32)
! 216: if(CMAKE_SIZEOF_VOID_P EQUAL 8)
! 217: list(APPEND _GSS_LIBDIR_SUFFIXES "lib/AMD64")
! 218: if(GSS_FLAVOUR STREQUAL "MIT")
! 219: set(_GSS_LIBNAME "gssapi64")
! 220: else()
! 221: set(_GSS_LIBNAME "libgssapi")
! 222: endif()
! 223: else()
! 224: list(APPEND _GSS_LIBDIR_SUFFIXES "lib/i386")
! 225: if(GSS_FLAVOUR STREQUAL "MIT")
! 226: set(_GSS_LIBNAME "gssapi32")
! 227: else()
! 228: set(_GSS_LIBNAME "libgssapi")
! 229: endif()
! 230: endif()
! 231: else()
! 232: list(APPEND _GSS_LIBDIR_SUFFIXES "lib;lib64") # those suffixes are not checked for HINTS
! 233: if(GSS_FLAVOUR STREQUAL "MIT")
! 234: set(_GSS_LIBNAME "gssapi_krb5")
! 235: else()
! 236: set(_GSS_LIBNAME "gssapi")
! 237: endif()
! 238: endif()
! 239:
! 240: find_library(_GSS_LIBRARIES
! 241: NAMES
! 242: ${_GSS_LIBNAME}
! 243: HINTS
! 244: ${_GSS_LIBDIR_HINTS}
! 245: PATH_SUFFIXES
! 246: ${_GSS_LIBDIR_SUFFIXES}
! 247: )
! 248:
! 249: endif()
! 250: endif()
! 251: else()
! 252: if(_GSS_PKG_${_MIT_MODNAME}_VERSION)
! 253: set(GSS_FLAVOUR "MIT")
! 254: set(_GSS_VERSION _GSS_PKG_${_MIT_MODNAME}_VERSION)
! 255: else()
! 256: set(GSS_FLAVOUR "Heimdal")
! 257: set(_GSS_VERSION _GSS_PKG_${_MIT_HEIMDAL}_VERSION)
! 258: endif()
! 259: endif()
! 260:
! 261: set(GSS_INCLUDE_DIR ${_GSS_INCLUDE_DIR})
! 262: set(GSS_LIBRARIES ${_GSS_LIBRARIES})
! 263: set(GSS_LINK_DIRECTORIES ${_GSS_LINK_DIRECTORIES})
! 264: set(GSS_LINKER_FLAGS ${_GSS_LINKER_FLAGS})
! 265: set(GSS_COMPILER_FLAGS ${_GSS_COMPILER_FLAGS})
! 266: set(GSS_VERSION ${_GSS_VERSION})
! 267:
! 268: if(GSS_FLAVOUR)
! 269: if(NOT GSS_VERSION AND GSS_FLAVOUR STREQUAL "Heimdal")
! 270: if(CMAKE_SIZEOF_VOID_P EQUAL 8)
! 271: set(HEIMDAL_MANIFEST_FILE "Heimdal.Application.amd64.manifest")
! 272: else()
! 273: set(HEIMDAL_MANIFEST_FILE "Heimdal.Application.x86.manifest")
! 274: endif()
! 275:
! 276: if(EXISTS "${GSS_INCLUDE_DIR}/${HEIMDAL_MANIFEST_FILE}")
! 277: file(STRINGS "${GSS_INCLUDE_DIR}/${HEIMDAL_MANIFEST_FILE}" heimdal_version_str
! 278: REGEX "^.*version=\"[0-9]\\.[^\"]+\".*$")
! 279:
! 280: string(REGEX MATCH "[0-9]\\.[^\"]+"
! 281: GSS_VERSION "${heimdal_version_str}")
! 282: endif()
! 283:
! 284: if(NOT GSS_VERSION)
! 285: set(GSS_VERSION "Heimdal Unknown")
! 286: endif()
! 287: elseif(NOT GSS_VERSION AND GSS_FLAVOUR STREQUAL "MIT")
! 288: get_filename_component(_MIT_VERSION "[HKEY_LOCAL_MACHINE\\SOFTWARE\\MIT\\Kerberos\\SDK\\CurrentVersion;VersionString]" NAME CACHE)
! 289: if(WIN32 AND _MIT_VERSION)
! 290: set(GSS_VERSION "${_MIT_VERSION}")
! 291: else()
! 292: set(GSS_VERSION "MIT Unknown")
! 293: endif()
! 294: endif()
! 295: endif()
! 296:
! 297: include(FindPackageHandleStandardArgs)
! 298:
! 299: set(_GSS_REQUIRED_VARS GSS_LIBRARIES GSS_FLAVOUR)
! 300:
! 301: find_package_handle_standard_args(GSS
! 302: REQUIRED_VARS
! 303: ${_GSS_REQUIRED_VARS}
! 304: VERSION_VAR
! 305: GSS_VERSION
! 306: FAIL_MESSAGE
! 307: "Could NOT find GSS, try to set the path to GSS root folder in the system variable GSS_ROOT_DIR"
! 308: )
! 309:
! 310: mark_as_advanced(GSS_INCLUDE_DIR GSS_LIBRARIES)
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