b41cd6bf22d249d5d25c72bb38bc012ff42ca64d
[platform/upstream/lapack.git] / CMakeLists.txt
1 cmake_minimum_required(VERSION 2.8.10)
2
3 # Set a default build type if none was specified
4 if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
5   message(STATUS "Setting build type to 'Release' as none was specified.")
6   set(CMAKE_BUILD_TYPE Release CACHE STRING "Choose the type of build." FORCE)
7   # Set the possible values of build type for cmake-gui
8   set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
9 endif()
10
11 project(LAPACK Fortran)
12
13 set(LAPACK_MAJOR_VERSION 3)
14 set(LAPACK_MINOR_VERSION 6)
15 set(LAPACK_PATCH_VERSION 1)
16 set(
17   LAPACK_VERSION
18   ${LAPACK_MAJOR_VERSION}.${LAPACK_MINOR_VERSION}.${LAPACK_PATCH_VERSION}
19   )
20
21 # Updated OSX RPATH settings
22 # In response to CMake 3.0 generating warnings regarding policy CMP0042,
23 # the OSX RPATH settings have been updated per recommendations found
24 # in the CMake Wiki:
25 #  http://www.cmake.org/Wiki/CMake_RPATH_handling#Mac_OS_X_and_the_RPATH
26     set(CMAKE_MACOSX_RPATH ON)
27     set(CMAKE_SKIP_BUILD_RPATH FALSE)
28     set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
29     list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}" isSystemDir)
30     if("${isSystemDir}" STREQUAL "-1")
31         set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}")
32         set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
33     endif()
34
35
36 # Configure the warning and code coverage suppression file
37 configure_file(
38   "${LAPACK_SOURCE_DIR}/CTestCustom.cmake.in"
39   "${LAPACK_BINARY_DIR}/CTestCustom.cmake"
40   @ONLY
41 )
42
43 # Add the CMake directory for custon CMake modules
44 set(CMAKE_MODULE_PATH "${LAPACK_SOURCE_DIR}/CMAKE" ${CMAKE_MODULE_PATH})
45 include(PreventInSourceBuilds)
46 include(PreventInBuildInstalls)
47
48 if (UNIX)
49    if ( "${CMAKE_Fortran_COMPILER}" MATCHES "ifort" )
50   set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fp-model strict" )
51    endif ()
52    if ( "${CMAKE_Fortran_COMPILER}" MATCHES "xlf" )
53   set( CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qnosave -qstrict=none" )
54    endif ()
55 # Delete libmtsk in linking sequence for Sun/Oracle Fortran Compiler.
56 # This library is not present in the Sun package SolarisStudio12.3-linux-x86-bin
57    string(REPLACE \;mtsk\; \; CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES "${CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES}")
58 endif ()
59
60 if ( CMAKE_Fortran_COMPILER_ID STREQUAL "Compaq" )
61    if ( WIN32 )
62       if (CMAKE_GENERATOR STREQUAL "NMake Makefiles")
63          get_filename_component(CMAKE_Fortran_COMPILER_CMDNAM ${CMAKE_Fortran_COMPILER} NAME_WE)
64          message(STATUS "Using Compaq Fortran compiler with command name ${CMAKE_Fortran_COMPILER_CMDNAM}")
65          set( cmd ${CMAKE_Fortran_COMPILER_CMDNAM} )
66          string( TOLOWER "${cmd}" cmdlc )
67          if ( cmdlc STREQUAL "df" )
68             message(STATUS "Assume the Compaq Visual Fortran Compiler is being used")
69             set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_OBJECTS 1)
70             set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_INCLUDES 1)
71             #This is a workaround that is needed to avoid forward-slashes in the
72             #filenames listed in response files from incorrectly being interpreted as
73             #introducing compiler command options
74           if (${BUILD_SHARED_LIBS})
75                message(FATAL_ERROR "Making of shared libraries with CVF has not been tested.")
76             endif()
77             set(str "NMake version 9 or later should be used. NMake version 6.0 which is\n")
78             set(str "${str}   included with the CVF distribution fails to build Lapack because\n")
79             set(str "${str}   the number of source files exceeds the limit for NMake v6.0\n")
80             message(STATUS ${str})
81             set(CMAKE_Fortran_LINK_EXECUTABLE "LINK /out:<TARGET> <LINK_FLAGS> <LINK_LIBRARIES> <OBJECTS>")
82          endif()
83       endif()
84    endif()
85 endif()
86
87 # Get Python
88 message(STATUS "Looking for Python greater than 2.6 - ${PYTHONINTERP_FOUND}")
89 find_package(PythonInterp 2.7) # lapack_testing.py uses features from python 2.7 and greater
90 if (PYTHONINTERP_FOUND)
91    message(STATUS "Using Python version ${PYTHON_VERSION_STRING}")
92 else()
93    message(STATUS "No suitable Python version found, so skipping summary tests.")
94 endif()
95 # --------------------------------------------------
96
97 set(LAPACK_INSTALL_EXPORT_NAME lapack-targets)
98
99 if (UNIX)
100   include(GNUInstallDirs)
101   set(ARCHIVE_DIR ${CMAKE_INSTALL_LIBDIR})
102   set(LIBRARY_DIR ${CMAKE_INSTALL_LIBDIR})
103   set(RUNTIME_DIR ${CMAKE_INSTALL_BINDIR})
104 else()
105   set(ARCHIVE_DIR lib${LIB_SUFFIX})
106   set(LIBRARY_DIR lib${LIB_SUFFIX})
107   set(RUNTIME_DIR bin)
108 endif()
109
110 macro(lapack_install_library lib)
111   install(TARGETS ${lib}
112     EXPORT ${LAPACK_INSTALL_EXPORT_NAME}
113     ARCHIVE DESTINATION ${ARCHIVE_DIR}
114     LIBRARY DESTINATION ${LIBRARY_DIR}
115     RUNTIME DESTINATION ${RUNTIME_DIR}
116   )
117 endmacro()
118
119 # --------------------------------------------------
120 # Testing
121
122 enable_testing()
123 include(CTest)
124 enable_testing()
125 # --------------------------------------------------
126
127 # Organize output files.  On Windows this also keeps .dll files next
128 # to the .exe files that need them, making tests easy to run.
129 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/bin)
130 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/lib)
131 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/lib)
132
133 # --------------------------------------------------
134 # Check for any necessary platform specific compiler flags
135 include( CheckLAPACKCompilerFlags )
136 CheckLAPACKCompilerFlags()
137
138 # --------------------------------------------------
139 # Check second function
140
141 include(CheckTimeFunction)
142 set(TIME_FUNC NONE ${TIME_FUNC})
143 CHECK_TIME_FUNCTION(NONE TIME_FUNC)
144 CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
145 CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)
146 CHECK_TIME_FUNCTION(EXT_ETIME_ TIME_FUNC)
147 CHECK_TIME_FUNCTION(INT_ETIME TIME_FUNC)
148 message(STATUS "--> Will use second_${TIME_FUNC}.f and dsecnd_${TIME_FUNC}.f as timing function.")
149
150 set(SECOND_SRC  ${LAPACK_SOURCE_DIR}/INSTALL/second_${TIME_FUNC}.f)
151 set(DSECOND_SRC  ${LAPACK_SOURCE_DIR}/INSTALL/dsecnd_${TIME_FUNC}.f)
152 set(PKG_CONFIG_DIR ${LIBRARY_DIR}/pkgconfig)
153
154
155 # By default static library
156 option(BUILD_SHARED_LIBS "Build shared libraries" OFF )
157
158 option(BUILD_TESTING "Build tests" OFF)
159
160 # deprecated LAPACK routines
161 option(BUILD_DEPRECATED "Build deprecated routines" OFF)
162
163 # --------------------------------------------------
164 # Precision to build
165 # By default all precisions are generated
166 option(BUILD_SINGLE "Build LAPACK Single Precision" ON)
167 option(BUILD_DOUBLE "Build LAPACK Double Precision" ON)
168 option(BUILD_COMPLEX "Build LAPACK Complex Precision" ON)
169 option(BUILD_COMPLEX16 "Build LAPACK Double Complex Precision" ON)
170
171 # --------------------------------------------------
172 # Subdirectories that need to be processed
173 option(USE_OPTIMIZED_BLAS "Whether or not to use an optimized BLAS library instead of included netlib BLAS" OFF)
174
175 # Check the usage of the user provided BLAS libraries
176 if(BLAS_LIBRARIES)
177   include(CheckFortranFunctionExists)
178   set(CMAKE_REQUIRED_LIBRARIES ${BLAS_LIBRARIES})
179   CHECK_FORTRAN_FUNCTION_EXISTS("dgemm" BLAS_FOUND)
180   unset( CMAKE_REQUIRED_LIBRARIES )
181   if(BLAS_FOUND)
182     message(STATUS "--> BLAS supplied by user is WORKING, will use ${BLAS_LIBRARIES}.")
183   else()
184     message(ERROR "--> BLAS supplied by user is not WORKING, CANNOT USE ${BLAS_LIBRARIES}.")
185     message(ERROR "-->     Will use REFERENCE BLAS (by default)")
186     message(ERROR "-->     Or Correct your BLAS_LIBRARIES entry ")
187     message(ERROR "-->     Or Consider checking USE_OPTIMIZED_BLAS")
188   endif()
189
190 # User did not provide a BLAS Library but specified to search for one
191 elseif( USE_OPTIMIZED_BLAS )
192   find_package( BLAS )
193 endif ()
194
195 # Neither user specified or optimized BLAS libraries can be used
196 if(NOT BLAS_FOUND)
197   message(STATUS "Using supplied NETLIB BLAS implementation")
198   add_subdirectory(BLAS)
199   set( BLAS_LIBRARIES blas )
200 else()
201   set( CMAKE_EXE_LINKER_FLAGS
202     "${CMAKE_EXE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
203     CACHE STRING "Linker flags for executables" FORCE)
204   set( CMAKE_MODULE_LINKER_FLAGS
205     "${CMAKE_MODULE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
206     CACHE STRING "Linker flags for modules" FORCE)
207   set( CMAKE_SHARED_LINKER_FLAGS
208     "${CMAKE_SHARED_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
209     CACHE STRING "Linker flags for shared libs" FORCE)
210 endif()
211
212
213 # --------------------------------------------------
214 # CBLAS
215 option(CBLAS "Build CBLAS" OFF)
216
217 if(CBLAS)
218   add_subdirectory(CBLAS)
219 endif()
220
221 # --------------------------------------------------
222 # XBLAS
223
224 option(USE_XBLAS "Build extended precision (needs XBLAS)" OFF)
225 if (USE_XBLAS)
226   find_library(XBLAS_LIBRARY NAMES xblas)
227 endif()
228
229 option(USE_OPTIMIZED_LAPACK "Whether or not to use an optimized LAPACK library instead of included netlib LAPACK" OFF)
230
231 # --------------------------------------------------
232 # LAPACK
233 # User did not provide a LAPACK Library but specified to search for one
234 if( USE_OPTIMIZED_LAPACK )
235   find_package( LAPACK )
236 endif ()
237
238 # Check the usage of the user provided or automatically found LAPACK libraries
239 if(LAPACK_LIBRARIES)
240   include(CheckFortranFunctionExists)
241   set(CMAKE_REQUIRED_LIBRARIES ${LAPACK_LIBRARIES})
242   # Check if new routine of 3.4.0 is in LAPACK_LIBRARIES
243   CHECK_FORTRAN_FUNCTION_EXISTS("dgeqrt" LATESTLAPACK_FOUND)
244   unset( CMAKE_REQUIRED_LIBRARIES )
245   if(LATESTLAPACK_FOUND)
246     message(STATUS "--> LAPACK supplied by user is WORKING, will use ${LAPACK_LIBRARIES}.")
247   else()
248     message(ERROR "--> LAPACK supplied by user is not WORKING or is older than LAPACK 3.4.0,    CANNOT USE ${LAPACK_LIBRARIES}.")
249     message(ERROR "-->     Will use REFERENCE LAPACK (by default)")
250     message(ERROR "-->     Or Correct your LAPACK_LIBRARIES entry ")
251     message(ERROR "-->     Or Consider checking USE_OPTIMIZED_LAPACK")
252   endif()
253 endif ()
254
255 # Neither user specified or optimized LAPACK libraries can be used
256 if(NOT LATESTLAPACK_FOUND)
257   message(STATUS "Using supplied NETLIB LAPACK implementation")
258   set( LAPACK_LIBRARIES lapack )
259   add_subdirectory(SRC)
260 else()
261   set( CMAKE_EXE_LINKER_FLAGS
262     "${CMAKE_EXE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
263     CACHE STRING "Linker flags for executables" FORCE)
264   set( CMAKE_MODULE_LINKER_FLAGS
265     "${CMAKE_MODULE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
266     CACHE STRING "Linker flags for modules" FORCE)
267   set( CMAKE_SHARED_LINKER_FLAGS
268     "${CMAKE_SHARED_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
269     CACHE STRING "Linker flags for shared libs" FORCE)
270 endif()
271
272 message(STATUS "BUILD TESTING : ${BUILD_TESTING}" )
273 if(BUILD_TESTING)
274   add_subdirectory(TESTING)
275 endif()
276
277 # --------------------------------------------------
278 # LAPACKE
279 option(LAPACKE "Build LAPACKE" OFF)
280
281 # LAPACKE has also the interface to some routines from tmglib,
282 # if LAPACKE_WITH_TMG is selected, we need to add those routines to LAPACKE
283 option(LAPACKE_WITH_TMG "Build LAPACKE with tmglib routines" OFF)
284 if (LAPACKE_WITH_TMG)
285   set(LAPACKE ON)
286 endif()
287 if(BUILD_TESTING OR LAPACKE_WITH_TMG) #already included, avoid double inclusion
288      add_subdirectory(TESTING/MATGEN)
289 endif()
290
291 if(LAPACKE)
292   add_subdirectory(LAPACKE)
293 endif()
294
295 # --------------------------------------------------
296 # CPACK Packaging
297
298 set(CPACK_PACKAGE_NAME "LAPACK")
299 set(CPACK_PACKAGE_VENDOR "University of Tennessee, Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd")
300 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LAPACK- Linear Algebra Package")
301 set(CPACK_PACKAGE_VERSION_MAJOR 3)
302 set(CPACK_PACKAGE_VERSION_MINOR 5)
303 set(CPACK_PACKAGE_VERSION_PATCH 0)
304 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
305 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LAPACK")
306 if(WIN32 AND NOT UNIX)
307   # There is a bug in NSI that does not handle full unix paths properly. Make
308   # sure there is at least one set of four (4) backlasshes.
309   set(CPACK_NSIS_HELP_LINK "http:\\\\\\\\http://icl.cs.utk.edu/lapack-forum")
310   set(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.netlib.org/lapack")
311   set(CPACK_NSIS_CONTACT "lapack@eecs.utk.edu")
312   set(CPACK_NSIS_MODIFY_PATH ON)
313   set(CPACK_NSIS_DISPLAY_NAME "LAPACK-${LAPACK_VERSION}")
314   set(CPACK_PACKAGE_RELOCATABLE "true")
315 else()
316   set(CPACK_GENERATOR "TGZ")
317   set(CPACK_SOURCE_GENERATOR TGZ)
318   set(CPACK_SOURCE_PACKAGE_FILE_NAME "lapack-${LAPACK_VERSION}" )
319   set(CPACK_SOURCE_IGNORE_FILES ~$ .svn ${CPACK_SOURCE_IGNORE_FILES} )
320 endif()
321 include(CPack)
322
323
324 # --------------------------------------------------
325
326 if(NOT BLAS_FOUND)
327   set(ALL_TARGETS ${ALL_TARGETS} blas)
328 endif()
329
330 if(NOT LATESTLAPACK_FOUND)
331   set(ALL_TARGETS ${ALL_TARGETS} lapack)
332 endif()
333
334 if(BUILD_TESTING OR LAPACKE_WITH_TMG)
335   set(ALL_TARGETS ${ALL_TARGETS} tmglib)
336 endif()
337
338 # Export lapack targets, not including lapacke, from the
339 # install tree, if any.
340 set(_lapack_config_install_guard_target "")
341 if(ALL_TARGETS)
342   install(EXPORT lapack-targets
343     DESTINATION ${LIBRARY_DIR}/cmake/lapack-${LAPACK_VERSION})
344
345   # Choose one of the lapack targets to use as a guard for
346   # lapack-config.cmake to load targets from the install tree.
347   list(GET ALL_TARGETS 0 _lapack_config_install_guard_target)
348 endif()
349
350 # Include cblas in targets exported from the build tree.
351 if(CBLAS)
352   set(ALL_TARGETS ${ALL_TARGETS} cblas)
353 endif()
354
355 # Include lapacke in targets exported from the build tree.
356 if(LAPACKE)
357   set(ALL_TARGETS ${ALL_TARGETS} lapacke)
358 endif()
359
360 # Export lapack and lapacke targets from the build tree, if any.
361 set(_lapack_config_build_guard_target "")
362 if(ALL_TARGETS)
363   export(TARGETS ${ALL_TARGETS} FILE lapack-targets.cmake)
364
365   # Choose one of the lapack or lapacke targets to use as a guard
366   # for lapack-config.cmake to load targets from the build tree.
367   list(GET ALL_TARGETS 0 _lapack_config_build_guard_target)
368 endif()
369
370 configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-build.cmake.in
371   ${LAPACK_BINARY_DIR}/lapack-config.cmake @ONLY)
372
373
374 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lapack.pc.in ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc)
375   install(FILES
376   ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc
377   DESTINATION ${PKG_CONFIG_DIR}
378    )
379
380 configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-install.cmake.in
381   ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake @ONLY)
382
383 include(CMakePackageConfigHelpers)
384 write_basic_package_version_file(
385   ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
386   VERSION ${LAPACK_VERSION}
387   COMPATIBILITY SameMajorVersion
388   )
389
390 install(FILES
391   ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake
392   ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
393   DESTINATION ${LIBRARY_DIR}/cmake/lapack-${LAPACK_VERSION}
394   )