summaryrefslogtreecommitdiff
path: root/Modules/FindLAPACK.cmake
blob: 3167850dbd7c65ade72d5c24c625f1f2db4bde4b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
# - Find LAPACK library
# This module finds an installed fortran library that implements the LAPACK
# linear-algebra interface (see http://www.netlib.org/lapack/).
#
# The approach follows that taken for the autoconf macro file, acx_lapack.m4
# (distributed at http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html).
#
# This module sets the following variables:
#  LAPACK_FOUND - set to true if a library implementing the LAPACK interface
#    is found
#  LAPACK_LINKER_FLAGS - uncached list of required linker flags (excluding -l
#    and -L).
#  LAPACK_LIBRARIES - uncached list of libraries (using full path name) to
#    link against to use LAPACK
#  LAPACK95_LIBRARIES - uncached list of libraries (using full path name) to
#    link against to use LAPACK95
#  LAPACK95_FOUND - set to true if a library implementing the LAPACK f95
#    interface is found
#  BLA_STATIC  if set on this determines what kind of linkage we do (static)
#  BLA_VENDOR  if set checks only the specified vendor, if not set checks
#     all the possibilities
#  BLA_F95     if set on tries to find the f95 interfaces for BLAS/LAPACK
### List of vendors (BLA_VENDOR) valid in this module
##  Intel(mkl), ACML,Apple, NAS, Generic

#=============================================================================
# Copyright 2007-2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})

get_property(_LANGUAGES_ GLOBAL PROPERTY ENABLED_LANGUAGES)
if (NOT _LANGUAGES_ MATCHES Fortran)
include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
else ()
include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
endif ()

set(LAPACK_FOUND FALSE)
set(LAPACK95_FOUND FALSE)

# TODO: move this stuff to separate module

macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
# This macro checks for the existence of the combination of fortran libraries
# given by _list.  If the combination is found, this macro checks (using the
# Check_Fortran_Function_Exists macro) whether can link against that library
# combination using the name of a routine given by _name using the linker
# flags given by _flags.  If the combination of libraries is found and passes
# the link test, LIBRARIES is set to the list of complete library paths that
# have been found.  Otherwise, LIBRARIES is set to FALSE.

# N.B. _prefix is the prefix applied to the names of all cached variables that
# are generated internally and marked advanced by this macro.

set(_libraries_work TRUE)
set(${LIBRARIES})
set(_combined_name)
if (NOT _libdir)
  if (WIN32)
    set(_libdir ENV LIB)
  elseif (APPLE)
    set(_libdir ENV DYLD_LIBRARY_PATH)
  else ()
    set(_libdir ENV LD_LIBRARY_PATH)
  endif ()
endif ()
foreach(_library ${_list})
  set(_combined_name ${_combined_name}_${_library})

  if(_libraries_work)
    if (BLA_STATIC)
      if (WIN32)
        set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
      endif ()
      if (APPLE)
        set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
      else ()
        set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
      endif ()
    else ()
			if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
        # for ubuntu's libblas3gf and liblapack3gf packages
        set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf)
      endif ()
    endif ()
    find_library(${_prefix}_${_library}_LIBRARY
      NAMES ${_library}
      PATHS ${_libdir}
      )
    mark_as_advanced(${_prefix}_${_library}_LIBRARY)
    set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
    set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
  endif()
endforeach()

if(_libraries_work)
  # Test this combination of libraries.
  if(UNIX AND BLA_STATIC)
    set(CMAKE_REQUIRED_LIBRARIES ${_flags} "-Wl,--start-group" ${${LIBRARIES}} ${_blas} "-Wl,--end-group" ${_threads})
  else()
    set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
  endif()
#  message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
  if (NOT _LANGUAGES_ MATCHES Fortran)
    check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)
  else ()
    check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
  endif ()
  set(CMAKE_REQUIRED_LIBRARIES)
  mark_as_advanced(${_prefix}${_combined_name}_WORKS)
  set(_libraries_work ${${_prefix}${_combined_name}_WORKS})
  #message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
endif()

 if(_libraries_work)
   set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
 else()
    set(${LIBRARIES} FALSE)
 endif()

endmacro()


set(LAPACK_LINKER_FLAGS)
set(LAPACK_LIBRARIES)
set(LAPACK95_LIBRARIES)


if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
  find_package(BLAS)
else()
  find_package(BLAS REQUIRED)
endif()


if(BLAS_FOUND)
  set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS})
  if ($ENV{BLA_VENDOR} MATCHES ".+")
    set(BLA_VENDOR $ENV{BLA_VENDOR})
  else ()
    if(NOT BLA_VENDOR)
      set(BLA_VENDOR "All")
    endif()
  endif ()

if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
 if(NOT LAPACK_LIBRARIES)
  check_lapack_libraries(
  LAPACK_LIBRARIES
  LAPACK
  cheev
  ""
  "goto2"
  "${BLAS_LIBRARIES}"
  ""
  )
 endif()
endif ()


#acml lapack
 if (BLA_VENDOR MATCHES "ACML.*" OR BLA_VENDOR STREQUAL "All")
   if (BLAS_LIBRARIES MATCHES ".+acml.+")
     set (LAPACK_LIBRARIES ${BLAS_LIBRARIES})
   endif ()
 endif ()

# Apple LAPACK library?
if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
 if(NOT LAPACK_LIBRARIES)
  check_lapack_libraries(
  LAPACK_LIBRARIES
  LAPACK
  cheev
  ""
  "Accelerate"
  "${BLAS_LIBRARIES}"
  ""
  )
 endif()
endif ()
if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
  if ( NOT LAPACK_LIBRARIES )
    check_lapack_libraries(
    LAPACK_LIBRARIES
    LAPACK
    cheev
    ""
    "vecLib"
    "${BLAS_LIBRARIES}"
    ""
    )
  endif ()
endif ()
# Generic LAPACK library?
if (BLA_VENDOR STREQUAL "Generic" OR
    BLA_VENDOR STREQUAL "ATLAS" OR
    BLA_VENDOR STREQUAL "All")
  if ( NOT LAPACK_LIBRARIES )
    check_lapack_libraries(
    LAPACK_LIBRARIES
    LAPACK
    cheev
    ""
    "lapack"
    "${BLAS_LIBRARIES}"
    ""
    )
  endif ()
endif ()
#intel lapack
if (BLA_VENDOR MATCHES "Intel*" OR BLA_VENDOR STREQUAL "All")
  if (NOT WIN32)
    set(LM "-lm")
  endif ()
  if (_LANGUAGES_ MATCHES C OR _LANGUAGES_ MATCHES CXX)
    if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
      find_PACKAGE(Threads)
    else()
      find_package(Threads REQUIRED)
    endif()
    if (BLA_F95)
      if(NOT LAPACK95_LIBRARIES)
        # old
        check_lapack_libraries(
          LAPACK95_LIBRARIES
          LAPACK
          cheev
          ""
          "mkl_lapack95"
          "${BLAS95_LIBRARIES}"
          "${CMAKE_THREAD_LIBS_INIT};${LM}"
          )
      endif()
      if(NOT LAPACK95_LIBRARIES)
        # new >= 10.3
        check_lapack_libraries(
          LAPACK95_LIBRARIES
          LAPACK
          CHEEV
          ""
          "mkl_intel_lp64"
          "${BLAS95_LIBRARIES}"
          "${CMAKE_THREAD_LIBS_INIT};${LM}"
          )
      endif()
    else()
      if(NOT LAPACK_LIBRARIES)
        # old
        check_lapack_libraries(
          LAPACK_LIBRARIES
          LAPACK
          cheev
          ""
          "mkl_lapack"
          "${BLAS_LIBRARIES}"
          "${CMAKE_THREAD_LIBS_INIT};${LM}"
          )
      endif()
      if(NOT LAPACK_LIBRARIES)
        # new >= 10.3
        check_lapack_libraries(
          LAPACK_LIBRARIES
          LAPACK
          cheev
          ""
          "mkl_gf_lp64"
          "${BLAS_LIBRARIES}"
          "${CMAKE_THREAD_LIBS_INIT};${LM}"
          )
      endif()
    endif()
  endif ()
endif()
else()
  message(STATUS "LAPACK requires BLAS")
endif()

if(BLA_F95)
 if(LAPACK95_LIBRARIES)
  set(LAPACK95_FOUND TRUE)
 else()
  set(LAPACK95_FOUND FALSE)
 endif()
 if(NOT LAPACK_FIND_QUIETLY)
  if(LAPACK95_FOUND)
    message(STATUS "A library with LAPACK95 API found.")
  else()
    if(LAPACK_FIND_REQUIRED)
      message(FATAL_ERROR
      "A required library with LAPACK95 API not found. Please specify library location."
      )
    else()
      message(STATUS
      "A library with LAPACK95 API not found. Please specify library location."
      )
    endif()
  endif()
 endif()
 set(LAPACK_FOUND "${LAPACK95_FOUND}")
 set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}")
else()
 if(LAPACK_LIBRARIES)
  set(LAPACK_FOUND TRUE)
 else()
  set(LAPACK_FOUND FALSE)
 endif()

 if(NOT LAPACK_FIND_QUIETLY)
  if(LAPACK_FOUND)
    message(STATUS "A library with LAPACK API found.")
  else()
    if(LAPACK_FIND_REQUIRED)
      message(FATAL_ERROR
      "A required library with LAPACK API not found. Please specify library location."
      )
    else()
      message(STATUS
      "A library with LAPACK API not found. Please specify library location."
      )
    endif()
  endif()
 endif()
endif()

set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})