1#   BAREOS® - Backup Archiving REcovery Open Sourced
2#
3#   Copyright (C) 2017-2020 Bareos GmbH & Co. KG
4#
5#   This program is Free Software; you can redistribute it and/or
6#   modify it under the terms of version three of the GNU Affero General Public
7#   License as published by the Free Software Foundation and included
8#   in the file LICENSE.
9#
10#   This program is distributed in the hope that it will be useful, but
11#   WITHOUT ANY WARRANTY; without even the implied warranty of
12#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13#   Affero General Public License for more details.
14#
15#   You should have received a copy of the GNU Affero General Public License
16#   along with this program; if not, write to the Free Software
17#   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18#   02110-1301, USA.
19
20# generic macro to find libraries and headers
21
22macro(BareosFindLibraryAndHeaders LIBNAME HEADERFILE ADDITIONAL_PATHS)
23  message(STATUS "checking for library ${LIBNAME} and ${HEADERFILE} header ...")
24
25  string(TOUPPER ${LIBNAME} LIBNAME_UPCASE)
26  set(INCLUDE_VAR_NAME ${LIBNAME_UPCASE}_INCLUDE_DIRS)
27  set(LIB_VAR_NAME ${LIBNAME_UPCASE}_LIBRARIES)
28  set(FOUND_VAR_NAME ${LIBNAME_UPCASE}_FOUND)
29  set(HAVE_VAR_NAME HAVE_${LIBNAME_UPCASE})
30
31  find_path(
32    ${INCLUDE_VAR_NAME}
33    NAMES ${HEADERFILE}
34    PATHS ${ADDITIONAL_PATHS}
35    PATH_SUFFIXES include
36  )
37  find_library(
38    ${LIB_VAR_NAME}
39    NAMES ${LIBNAME}
40    PATHS ${ADDITIONAL_PATHS}
41    PATH_SUFFIXES lib64
42  )
43
44  # MESSAGE(STATUS "find path result for ${INCLUDE_VAR_NAME} is
45  # ${${INCLUDE_VAR_NAME}}") MESSAGE(STATUS "find library result for
46  # ${LIB_VAR_NAME} is ${${LIB_VAR_NAME}}")
47
48  # STRING(LENGTH ${${LIB_VAR_NAME}} LIBFOUND ) STRING(LENGTH
49  # ${${INCLUDE_VAR_NAME}} INCLUDEFOUND )
50
51  set(LIBFOUND ${${LIB_VAR_NAME}})
52  # MESSAGE(STATUS  "LIBFOUND: ${LIBFOUND}")
53  set(INCLUDEFOUND ${${INCLUDE_VAR_NAME}})
54  # MESSAGE(STATUS  "INCLUDEFOUND: ${INCLUDEFOUND}")
55
56  string(REGEX MATCH "-NOTFOUND" LIBNOTFOUND ${LIBFOUND})
57  # MESSAGE(STATUS  "LIB REGEX MATCH: ${LIBNOTFOUND}")
58  string(LENGTH "${LIBNOTFOUND}" LIBNOTFOUND)
59
60  string(REGEX MATCH "-NOTFOUND" INCLUDENOTFOUND ${INCLUDEFOUND})
61  # MESSAGE(STATUS  "INC REGEX MATCH: ${INCLUDENOTFOUND}")
62  string(LENGTH "${INCLUDENOTFOUND}" INCLUDENOTFOUND)
63
64  if(NOT ${LIBNOTFOUND})
65    # MESSAGE(STATUS  "LIBFOUND is true: ${LIBFOUND}")
66    if(NOT ${INCLUDENOTFOUND})
67      # MESSAGE(STATUS  "INCLUDEFOUND is true: ${INCLUDEFOUND}") MESSAGE(STATUS
68      # "setting ${FOUND_VAR_NAME} to true")
69      set(${FOUND_VAR_NAME} TRUE)
70      set(${HAVE_VAR_NAME} 1)
71    else()
72      # MESSAGE(STATUS  "INCLUDEFOUND is true: ${INCLUDEFOUND}")
73      set(${FOUND_VAR_NAME} FALSE)
74      set(${HAVE_VAR_NAME} 0)
75    endif()
76  else()
77    # MESSAGE(STATUS  "LIBFOUND is false: ${LIBFOUND}")
78    set(${FOUND_VAR_NAME} FALSE)
79    set(${HAVE_VAR_NAME} 0)
80  endif()
81
82  set(FOUNDVALUE ${${FOUND_VAR_NAME}})
83  if(${FOUNDVALUE})
84    message(STATUS "  ${FOUND_VAR_NAME}=${${FOUND_VAR_NAME}}")
85    message(STATUS "  ${LIB_VAR_NAME}=${${LIB_VAR_NAME}}")
86    message(STATUS "  ${INCLUDE_VAR_NAME}=${${INCLUDE_VAR_NAME}}")
87    message(STATUS "  ${HAVE_VAR_NAME}=${${HAVE_VAR_NAME}}")
88  else()
89    message(STATUS "  ${HAVE_VAR_NAME}=${${HAVE_VAR_NAME}}")
90    if(${LIBNOTFOUND})
91      message(STATUS "              ERROR:  ${LIBNAME} libraries NOT found. ")
92      set("${LIB_VAR_NAME}" "")
93    endif()
94    if(${INCLUDENOTFOUND})
95      message(STATUS "              ERROR:  ${LIBNAME} includes  NOT found. ")
96      set("${INCLUDE_VAR_NAME}" "")
97    endif()
98    message(STATUS "  ${FOUND_VAR_NAME}=${${FOUND_VAR_NAME}}")
99    message(STATUS "  ${LIB_VAR_NAME}=${${LIB_VAR_NAME}}")
100    message(STATUS "  ${INCLUDE_VAR_NAME}=${${INCLUDE_VAR_NAME}}")
101    message(STATUS "  ${HAVE_VAR_NAME}=${${HAVE_VAR_NAME}}")
102  endif()
103
104  mark_as_advanced(${INCLUDE_VAR_NAME} ${LIB_VAR_NAME} ${FOUND_VAR_NAME})
105endmacro()
106