Align TESTING/{EIG,LIN}/chkxer.f
[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" "Coverage")
9 endif()
10
11 project(LAPACK Fortran C)
12
13 set(LAPACK_MAJOR_VERSION 3)
14 set(LAPACK_MINOR_VERSION 7)
15 set(LAPACK_PATCH_VERSION 0)
16 set(
17   LAPACK_VERSION
18   ${LAPACK_MAJOR_VERSION}.${LAPACK_MINOR_VERSION}.${LAPACK_PATCH_VERSION}
19   )
20
21 include(GNUInstallDirs)
22
23 # Updated OSX RPATH settings
24 # In response to CMake 3.0 generating warnings regarding policy CMP0042,
25 # the OSX RPATH settings have been updated per recommendations found
26 # in the CMake Wiki:
27 #  http://www.cmake.org/Wiki/CMake_RPATH_handling#Mac_OS_X_and_the_RPATH
28 set(CMAKE_MACOSX_RPATH ON)
29 set(CMAKE_SKIP_BUILD_RPATH FALSE)
30 set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
31 list(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES ${CMAKE_INSTALL_FULL_LIBDIR} isSystemDir)
32 if("${isSystemDir}" STREQUAL "-1")
33   set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_FULL_LIBDIR})
34   set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
35 endif()
36
37
38 # Configure the warning and code coverage suppression file
39 configure_file(
40   "${LAPACK_SOURCE_DIR}/CTestCustom.cmake.in"
41   "${LAPACK_BINARY_DIR}/CTestCustom.cmake"
42   @ONLY
43 )
44
45 # Add the CMake directory for custon CMake modules
46 set(CMAKE_MODULE_PATH "${LAPACK_SOURCE_DIR}/CMAKE" ${CMAKE_MODULE_PATH})
47 include(PreventInSourceBuilds)
48 include(PreventInBuildInstalls)
49
50 if(UNIX)
51   if("${CMAKE_Fortran_COMPILER}" MATCHES "ifort")
52     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fp-model strict")
53   endif()
54   if("${CMAKE_Fortran_COMPILER}" MATCHES "xlf")
55     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -qnosave -qstrict=none")
56   endif()
57 # Delete libmtsk in linking sequence for Sun/Oracle Fortran Compiler.
58 # This library is not present in the Sun package SolarisStudio12.3-linux-x86-bin
59   string(REPLACE \;mtsk\; \; CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES "${CMAKE_Fortran_IMPLICIT_LINK_LIBRARIES}")
60 endif()
61
62 if(CMAKE_Fortran_COMPILER_ID STREQUAL "Compaq")
63   if(WIN32)
64     if(CMAKE_GENERATOR STREQUAL "NMake Makefiles")
65       get_filename_component(CMAKE_Fortran_COMPILER_CMDNAM ${CMAKE_Fortran_COMPILER} NAME_WE)
66       message(STATUS "Using Compaq Fortran compiler with command name ${CMAKE_Fortran_COMPILER_CMDNAM}")
67       set(cmd ${CMAKE_Fortran_COMPILER_CMDNAM})
68       string(TOLOWER "${cmd}" cmdlc)
69       if(cmdlc STREQUAL "df")
70         message(STATUS "Assume the Compaq Visual Fortran Compiler is being used")
71         set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_OBJECTS 1)
72         set(CMAKE_Fortran_USE_RESPONSE_FILE_FOR_INCLUDES 1)
73         #This is a workaround that is needed to avoid forward-slashes in the
74         #filenames listed in response files from incorrectly being interpreted as
75         #introducing compiler command options
76         if(${BUILD_SHARED_LIBS})
77           message(FATAL_ERROR "Making of shared libraries with CVF has not been tested.")
78         endif()
79         set(str "NMake version 9 or later should be used. NMake version 6.0 which is\n")
80         set(str "${str}   included with the CVF distribution fails to build Lapack because\n")
81         set(str "${str}   the number of source files exceeds the limit for NMake v6.0\n")
82         message(STATUS ${str})
83         set(CMAKE_Fortran_LINK_EXECUTABLE "LINK /out:<TARGET> <LINK_FLAGS> <LINK_LIBRARIES> <OBJECTS>")
84       endif()
85     endif()
86   endif()
87 endif()
88
89 # Get Python
90 message(STATUS "Looking for Python greater than 2.6 - ${PYTHONINTERP_FOUND}")
91 find_package(PythonInterp 2.7) # lapack_testing.py uses features from python 2.7 and greater
92 if(PYTHONINTERP_FOUND)
93   message(STATUS "Using Python version ${PYTHON_VERSION_STRING}")
94 else()
95   message(STATUS "No suitable Python version found, so skipping summary tests.")
96 endif()
97 # --------------------------------------------------
98
99 set(LAPACK_INSTALL_EXPORT_NAME lapack-targets)
100
101 macro(lapack_install_library lib)
102   install(TARGETS ${lib}
103     EXPORT ${LAPACK_INSTALL_EXPORT_NAME}
104     ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
105     LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
106     RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
107   )
108 endmacro()
109
110 set(PKG_CONFIG_DIR ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
111 set(prefix ${CMAKE_INSTALL_PREFIX})
112 if(NOT IS_ABSOLUTE ${CMAKE_INSTALL_LIBDIR})
113   set(libdir "\${prefix}/${CMAKE_INSTALL_LIBDIR}")
114 else()
115   set(libdir "${CMAKE_INSTALL_LIBDIR}")
116 endif()
117
118 # --------------------------------------------------
119 # Testing
120
121 enable_testing()
122 include(CTest)
123 enable_testing()
124 # --------------------------------------------------
125
126 # Organize output files.  On Windows this also keeps .dll files next
127 # to the .exe files that need them, making tests easy to run.
128 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/bin)
129 set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/lib)
130 set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${LAPACK_BINARY_DIR}/lib)
131
132 # --------------------------------------------------
133 # Check for any necessary platform specific compiler flags
134 include(CheckLAPACKCompilerFlags)
135 CheckLAPACKCompilerFlags()
136
137 string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_UPPER)
138 if(${CMAKE_BUILD_TYPE_UPPER} STREQUAL "COVERAGE")
139   message(STATUS "Adding coverage")
140   find_package(codecov)
141 endif()
142
143 # --------------------------------------------------
144 # Check second function
145
146 include(CheckTimeFunction)
147 set(TIME_FUNC NONE ${TIME_FUNC})
148 CHECK_TIME_FUNCTION(NONE TIME_FUNC)
149 CHECK_TIME_FUNCTION(INT_CPU_TIME TIME_FUNC)
150 CHECK_TIME_FUNCTION(EXT_ETIME TIME_FUNC)
151 CHECK_TIME_FUNCTION(EXT_ETIME_ TIME_FUNC)
152 CHECK_TIME_FUNCTION(INT_ETIME TIME_FUNC)
153 message(STATUS "--> Will use second_${TIME_FUNC}.f and dsecnd_${TIME_FUNC}.f as timing function.")
154
155 set(SECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/second_${TIME_FUNC}.f)
156 set(DSECOND_SRC ${LAPACK_SOURCE_DIR}/INSTALL/dsecnd_${TIME_FUNC}.f)
157
158 # By default static library
159 option(BUILD_SHARED_LIBS "Build shared libraries" OFF)
160
161 option(BUILD_TESTING "Build tests" OFF)
162 message(STATUS "Build tests: ${BUILD_TESTING}")
163
164 # deprecated LAPACK and LAPACKE routines
165 option(BUILD_DEPRECATED "Build deprecated routines" OFF)
166 message(STATUS "Build deprecated routines: ${BUILD_DEPRECATED}")
167
168 # --------------------------------------------------
169 # Precision to build
170 # By default all precisions are generated
171 option(BUILD_SINGLE "Build single precision real" ON)
172 option(BUILD_DOUBLE "Build double precision real" ON)
173 option(BUILD_COMPLEX "Build single precision complex" ON)
174 option(BUILD_COMPLEX16 "Build double precision complex" ON)
175 message(STATUS "Build single precision real: ${BUILD_SINGLE}")
176 message(STATUS "Build double precision real: ${BUILD_DOUBLE}")
177 message(STATUS "Build single precision complex: ${BUILD_COMPLEX}")
178 message(STATUS "Build double precision complex: ${BUILD_COMPLEX16}")
179
180 if(NOT (BUILD_SINGLE OR BUILD_DOUBLE OR BUILD_COMPLEX OR BUILD_COMPLEX16))
181   message(FATAL_ERROR "Nothing to build, no precision selected.
182   Please enable at least one of these:
183   BUILD_SINGLE, BUILD_DOUBLE, BUILD_COMPLEX, BUILD_COMPLEX16.")
184 endif()
185
186 # --------------------------------------------------
187 # Subdirectories that need to be processed
188 option(USE_OPTIMIZED_BLAS "Whether or not to use an optimized BLAS library instead of included netlib BLAS" OFF)
189
190 # Check the usage of the user provided BLAS libraries
191 if(BLAS_LIBRARIES)
192   include(CheckFortranFunctionExists)
193   set(CMAKE_REQUIRED_LIBRARIES ${BLAS_LIBRARIES})
194   CHECK_FORTRAN_FUNCTION_EXISTS("dgemm" BLAS_FOUND)
195   unset(CMAKE_REQUIRED_LIBRARIES)
196   if(BLAS_FOUND)
197     message(STATUS "--> BLAS supplied by user is WORKING, will use ${BLAS_LIBRARIES}.")
198   else()
199     message(ERROR "--> BLAS supplied by user is not WORKING, CANNOT USE ${BLAS_LIBRARIES}.")
200     message(ERROR "-->     Will use REFERENCE BLAS (by default)")
201     message(ERROR "-->     Or Correct your BLAS_LIBRARIES entry ")
202     message(ERROR "-->     Or Consider checking USE_OPTIMIZED_BLAS")
203   endif()
204
205 # User did not provide a BLAS Library but specified to search for one
206 elseif(USE_OPTIMIZED_BLAS)
207   find_package(BLAS)
208 endif()
209
210 # Neither user specified or optimized BLAS libraries can be used
211 if(NOT BLAS_FOUND)
212   message(STATUS "Using supplied NETLIB BLAS implementation")
213   add_subdirectory(BLAS)
214   set(BLAS_LIBRARIES blas)
215 else()
216   set(CMAKE_EXE_LINKER_FLAGS
217     "${CMAKE_EXE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
218     CACHE STRING "Linker flags for executables" FORCE)
219   set(CMAKE_MODULE_LINKER_FLAGS
220     "${CMAKE_MODULE_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
221     CACHE STRING "Linker flags for modules" FORCE)
222   set(CMAKE_SHARED_LINKER_FLAGS
223     "${CMAKE_SHARED_LINKER_FLAGS} ${BLAS_LINKER_FLAGS}"
224     CACHE STRING "Linker flags for shared libs" FORCE)
225 endif()
226
227
228 # --------------------------------------------------
229 # CBLAS
230 option(CBLAS "Build CBLAS" OFF)
231
232 if(CBLAS)
233   add_subdirectory(CBLAS)
234 endif()
235
236 # --------------------------------------------------
237 # XBLAS
238
239 option(USE_XBLAS "Build extended precision (needs XBLAS)" OFF)
240 if(USE_XBLAS)
241   find_library(XBLAS_LIBRARY NAMES xblas)
242 endif()
243
244 option(USE_OPTIMIZED_LAPACK "Whether or not to use an optimized LAPACK library instead of included netlib LAPACK" OFF)
245
246 # --------------------------------------------------
247 # LAPACK
248 # User did not provide a LAPACK Library but specified to search for one
249 if(USE_OPTIMIZED_LAPACK)
250   find_package(LAPACK)
251 endif()
252
253 # Check the usage of the user provided or automatically found LAPACK libraries
254 if(LAPACK_LIBRARIES)
255   include(CheckFortranFunctionExists)
256   set(CMAKE_REQUIRED_LIBRARIES ${LAPACK_LIBRARIES})
257   # Check if new routine of 3.4.0 is in LAPACK_LIBRARIES
258   CHECK_FORTRAN_FUNCTION_EXISTS("dgeqrt" LATESTLAPACK_FOUND)
259   unset(CMAKE_REQUIRED_LIBRARIES)
260   if(LATESTLAPACK_FOUND)
261     message(STATUS "--> LAPACK supplied by user is WORKING, will use ${LAPACK_LIBRARIES}.")
262   else()
263     message(ERROR "--> LAPACK supplied by user is not WORKING or is older than LAPACK 3.4.0, CANNOT USE ${LAPACK_LIBRARIES}.")
264     message(ERROR "-->     Will use REFERENCE LAPACK (by default)")
265     message(ERROR "-->     Or Correct your LAPACK_LIBRARIES entry ")
266     message(ERROR "-->     Or Consider checking USE_OPTIMIZED_LAPACK")
267   endif()
268 endif()
269
270 # Neither user specified or optimized LAPACK libraries can be used
271 if(NOT LATESTLAPACK_FOUND)
272   message(STATUS "Using supplied NETLIB LAPACK implementation")
273   set(LAPACK_LIBRARIES lapack)
274   add_subdirectory(SRC)
275 else()
276   set(CMAKE_EXE_LINKER_FLAGS
277     "${CMAKE_EXE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
278     CACHE STRING "Linker flags for executables" FORCE)
279   set(CMAKE_MODULE_LINKER_FLAGS
280     "${CMAKE_MODULE_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
281     CACHE STRING "Linker flags for modules" FORCE)
282   set(CMAKE_SHARED_LINKER_FLAGS
283     "${CMAKE_SHARED_LINKER_FLAGS} ${LAPACK_LINKER_FLAGS}"
284     CACHE STRING "Linker flags for shared libs" FORCE)
285 endif()
286
287 if(BUILD_TESTING)
288   add_subdirectory(TESTING)
289 endif()
290
291 # --------------------------------------------------
292 # LAPACKE
293 option(LAPACKE "Build LAPACKE" OFF)
294
295 # LAPACKE has also the interface to some routines from tmglib,
296 # if LAPACKE_WITH_TMG is selected, we need to add those routines to LAPACKE
297 option(LAPACKE_WITH_TMG "Build LAPACKE with tmglib routines" OFF)
298 if(LAPACKE_WITH_TMG)
299   set(LAPACKE ON)
300 endif()
301 if(BUILD_TESTING OR LAPACKE_WITH_TMG) #already included, avoid double inclusion
302   add_subdirectory(TESTING/MATGEN)
303 endif()
304
305 if(LAPACKE)
306   add_subdirectory(LAPACKE)
307 endif()
308
309 # --------------------------------------------------
310 # CPACK Packaging
311
312 set(CPACK_PACKAGE_NAME "LAPACK")
313 set(CPACK_PACKAGE_VENDOR "University of Tennessee, Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd")
314 set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "LAPACK- Linear Algebra Package")
315 set(CPACK_PACKAGE_VERSION_MAJOR 3)
316 set(CPACK_PACKAGE_VERSION_MINOR 5)
317 set(CPACK_PACKAGE_VERSION_PATCH 0)
318 set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE")
319 set(CPACK_PACKAGE_INSTALL_DIRECTORY "LAPACK")
320 if(WIN32 AND NOT UNIX)
321   # There is a bug in NSI that does not handle full unix paths properly. Make
322   # sure there is at least one set of four (4) backlasshes.
323   set(CPACK_NSIS_HELP_LINK "http:\\\\\\\\http://icl.cs.utk.edu/lapack-forum")
324   set(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.netlib.org/lapack")
325   set(CPACK_NSIS_CONTACT "lapack@eecs.utk.edu")
326   set(CPACK_NSIS_MODIFY_PATH ON)
327   set(CPACK_NSIS_DISPLAY_NAME "LAPACK-${LAPACK_VERSION}")
328   set(CPACK_PACKAGE_RELOCATABLE "true")
329 else()
330   set(CPACK_GENERATOR "TGZ")
331   set(CPACK_SOURCE_GENERATOR TGZ)
332   set(CPACK_SOURCE_PACKAGE_FILE_NAME "lapack-${LAPACK_VERSION}")
333   set(CPACK_SOURCE_IGNORE_FILES ~$ .svn ${CPACK_SOURCE_IGNORE_FILES})
334 endif()
335 include(CPack)
336
337
338 # --------------------------------------------------
339
340 if(NOT BLAS_FOUND)
341   set(ALL_TARGETS ${ALL_TARGETS} blas)
342 endif()
343
344 if(NOT LATESTLAPACK_FOUND)
345   set(ALL_TARGETS ${ALL_TARGETS} lapack)
346 endif()
347
348 if(BUILD_TESTING OR LAPACKE_WITH_TMG)
349   set(ALL_TARGETS ${ALL_TARGETS} tmglib)
350 endif()
351
352 # Export lapack targets, not including lapacke, from the
353 # install tree, if any.
354 set(_lapack_config_install_guard_target "")
355 if(ALL_TARGETS)
356   install(EXPORT lapack-targets
357     DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapack-${LAPACK_VERSION})
358
359   # Choose one of the lapack targets to use as a guard for
360   # lapack-config.cmake to load targets from the install tree.
361   list(GET ALL_TARGETS 0 _lapack_config_install_guard_target)
362 endif()
363
364 # Include cblas in targets exported from the build tree.
365 if(CBLAS)
366   set(ALL_TARGETS ${ALL_TARGETS} cblas)
367 endif()
368
369 # Include lapacke in targets exported from the build tree.
370 if(LAPACKE)
371   set(ALL_TARGETS ${ALL_TARGETS} lapacke)
372 endif()
373
374 # Export lapack and lapacke targets from the build tree, if any.
375 set(_lapack_config_build_guard_target "")
376 if(ALL_TARGETS)
377   export(TARGETS ${ALL_TARGETS} FILE lapack-targets.cmake)
378
379   # Choose one of the lapack or lapacke targets to use as a guard
380   # for lapack-config.cmake to load targets from the build tree.
381   list(GET ALL_TARGETS 0 _lapack_config_build_guard_target)
382 endif()
383
384 configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-build.cmake.in
385   ${LAPACK_BINARY_DIR}/lapack-config.cmake @ONLY)
386
387
388 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/lapack.pc.in ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc @ONLY)
389   install(FILES
390   ${CMAKE_CURRENT_BINARY_DIR}/lapack.pc
391   DESTINATION ${PKG_CONFIG_DIR}
392   )
393
394 configure_file(${LAPACK_SOURCE_DIR}/CMAKE/lapack-config-install.cmake.in
395   ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake @ONLY)
396
397 include(CMakePackageConfigHelpers)
398 write_basic_package_version_file(
399   ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
400   VERSION ${LAPACK_VERSION}
401   COMPATIBILITY SameMajorVersion
402   )
403
404 install(FILES
405   ${LAPACK_BINARY_DIR}/CMakeFiles/lapack-config.cmake
406   ${LAPACK_BINARY_DIR}/lapack-config-version.cmake
407   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/lapack-${LAPACK_VERSION}
408   )