From e71813dba2e8a9640c386936e42fa588365bf9f6 Mon Sep 17 00:00:00 2001
From: Andreas Naumann <andreas.naumann@tu-dresden.de>
Date: Fri, 10 Dec 2010 10:53:28 +0000
Subject: [PATCH] added petsc finding for cmake and corrected cmakelists.txt
---
AMDiS/CMakeLists.txt | 2 +-
AMDiS/FindPETSc.cmake | 248 +++++++++++++++++++++++++++++++
AMDiS/FindPackageMultipass.cmake | 91 ++++++++++++
3 files changed, 340 insertions(+), 1 deletion(-)
create mode 100644 AMDiS/FindPETSc.cmake
create mode 100644 AMDiS/FindPackageMultipass.cmake
diff --git a/AMDiS/CMakeLists.txt b/AMDiS/CMakeLists.txt
index 18d97412..6addf593 100644
--- a/AMDiS/CMakeLists.txt
+++ b/AMDiS/CMakeLists.txt
@@ -145,7 +145,7 @@ SET(AMDIS_SRC ${SOURCE_DIR}/DOFIndexed.cc
${SOURCE_DIR}/parallel/InteriorBoundary.cc
${SOURCE_DIR}/ElementDofIterator.cc
${SOURCE_DIR}/Debug.cc
- ${SOURCE_DIR)/Serializer.cc
+ ${SOURCE_DIR}/Serializer.cc
${SOURCE_DIR}/io/ArhReader.cc
${SOURCE_DIR}/io/ArhWriter.cc
${SOURCE_DIR}/time/RosenbrockAdaptInstationary.cc
diff --git a/AMDiS/FindPETSc.cmake b/AMDiS/FindPETSc.cmake
new file mode 100644
index 00000000..0ae2f66b
--- /dev/null
+++ b/AMDiS/FindPETSc.cmake
@@ -0,0 +1,248 @@
+# - Try to find PETSc
+# Once done this will define
+#
+# PETSC_FOUND - system has PETSc
+# PETSC_INCLUDES - the PETSc include directories
+# PETSC_LIBRARIES - Link these to use PETSc
+# PETSC_COMPILER - Compiler used by PETSc, helpful to find a compatible MPI
+# PETSC_DEFINITIONS - Compiler switches for using PETSc
+# PETSC_MPIEXEC - Executable for running MPI programs
+# PETSC_VERSION - Version string (MAJOR.MINOR.SUBMINOR)
+#
+# Hack: PETSC_VERSION currently decides on the version based on the
+# layout. Otherwise we need to run C code to determine the version.
+#
+# Setting these changes the behavior of the search
+# PETSC_DIR - directory in which PETSc resides
+# PETSC_ARCH - build architecture
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+#
+
+function (petsc_get_version)
+ if (EXISTS "${PETSC_DIR}/include/petscversion.h")
+ file (STRINGS "${PETSC_DIR}/include/petscversion.h" vstrings REGEX "#define PETSC_VERSION_(RELEASE|MAJOR|MINOR|SUBMINOR|PATCH) ")
+ foreach (line ${vstrings})
+ string (REGEX REPLACE " +" ";" fields ${line}) # break line into three fields (the first is always "#define")
+ list (GET fields 1 var)
+ list (GET fields 2 val)
+ set (${var} ${val} PARENT_SCOPE)
+ set (${var} ${val}) # Also in local scope so we have access below
+ endforeach ()
+ if (PETSC_VERSION_RELEASE)
+ set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETSC_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}p${PETSC_VERSION_PATCH}" PARENT_SCOPE)
+ else ()
+ # make dev version compare higher than any patch level of a released version
+ set (PETSC_VERSION "${PETSC_VERSION_MAJOR}.${PETSC_VERSION_MINOR}.${PETSC_VERSION_SUBMINOR}.99" PARENT_SCOPE)
+ endif ()
+ else ()
+ message (SEND_ERROR "PETSC_DIR can not be used, ${PETSC_DIR}/include/petscversion.h does not exist")
+ endif ()
+endfunction ()
+
+find_path (PETSC_DIR include/petsc.h
+ HINTS ENV PETSC_DIR
+ PATHS
+ /usr/lib/petscdir/3.1 /usr/lib/petscdir/3.0.0 /usr/lib/petscdir/2.3.3 /usr/lib/petscdir/2.3.2 # Debian
+ $ENV{HOME}/petsc
+ DOC "PETSc Directory")
+
+if (PETSC_DIR AND NOT PETSC_ARCH)
+ set (_petsc_arches
+ $ENV{PETSC_ARCH} # If set, use environment variable first
+ linux-gnu-c-debug linux-gnu-c-opt # Debian defaults
+ x86_64-unknown-linux-gnu i386-unknown-linux-gnu)
+ set (petscconf "NOTFOUND" CACHE FILEPATH "Cleared" FORCE)
+ foreach (arch ${_petsc_arches})
+ if (NOT PETSC_ARCH)
+ find_path (petscconf petscconf.h
+ HINTS ${PETSC_DIR}
+ PATH_SUFFIXES ${arch}/include bmake/${arch}
+ NO_DEFAULT_PATH)
+ if (petscconf)
+ set (PETSC_ARCH "${arch}" CACHE STRING "PETSc build architecture")
+ endif (petscconf)
+ endif (NOT PETSC_ARCH)
+ endforeach (arch)
+ set (petscconf "NOTFOUND" CACHE INTERNAL "Scratch variable" FORCE)
+endif (PETSC_DIR AND NOT PETSC_ARCH)
+
+set (petsc_slaves LIBRARIES_SYS LIBRARIES_VEC LIBRARIES_MAT LIBRARIES_DM LIBRARIES_KSP LIBRARIES_SNES LIBRARIES_TS
+ INCLUDE_DIR INCLUDE_CONF)
+include (FindPackageMultipass)
+find_package_multipass (PETSc petsc_config_current
+ STATES DIR ARCH
+ DEPENDENTS INCLUDES LIBRARIES COMPILER MPIEXEC ${petsc_slaves})
+
+# Determine whether the PETSc layout is old-style (through 2.3.3) or
+# new-style (>= 3.0.0)
+if (EXISTS "${PETSC_DIR}/${PETSC_ARCH}/include/petscconf.h") # > 2.3.3
+ set (petsc_conf_rules "${PETSC_DIR}/conf/rules")
+ set (petsc_conf_variables "${PETSC_DIR}/conf/variables")
+elseif (EXISTS "${PETSC_DIR}/bmake/${PETSC_ARCH}/petscconf.h") # <= 2.3.3
+ set (petsc_conf_rules "${PETSC_DIR}/bmake/common/rules")
+ set (petsc_conf_variables "${PETSC_DIR}/bmake/common/variables")
+elseif (PETSC_DIR)
+ message (SEND_ERROR "The pair PETSC_DIR=${PETSC_DIR} PETSC_ARCH=${PETSC_ARCH} do not specify a valid PETSc installation")
+endif ()
+petsc_get_version()
+
+if (petsc_conf_rules AND petsc_conf_variables AND NOT petsc_config_current)
+ # Put variables into environment since they are needed to get
+ # configuration (petscvariables) in the PETSc makefile
+ set (ENV{PETSC_DIR} "${PETSC_DIR}")
+ set (ENV{PETSC_ARCH} "${PETSC_ARCH}")
+
+ # A temporary makefile to probe the PETSc configuration
+ set (petsc_config_makefile "${PROJECT_BINARY_DIR}/Makefile.petsc")
+ file (WRITE "${petsc_config_makefile}"
+"## This file was autogenerated by FindPETSc.cmake
+# PETSC_DIR = ${PETSC_DIR}
+# PETSC_ARCH = ${PETSC_ARCH}
+include ${petsc_conf_rules}
+include ${petsc_conf_variables}
+show :
+ -@echo -n \${\${VARIABLE}}
+")
+
+ macro (PETSC_GET_VARIABLE name var)
+ set (${var} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
+ execute_process (COMMAND ${CMAKE_MAKE_PROGRAM} --no-print-directory -f ${petsc_config_makefile} show VARIABLE=${name}
+ OUTPUT_VARIABLE ${var}
+ RESULT_VARIABLE petsc_return)
+ endmacro (PETSC_GET_VARIABLE)
+ petsc_get_variable (PETSC_LIB_DIR petsc_lib_dir)
+ petsc_get_variable (PETSC_EXTERNAL_LIB_BASIC petsc_libs_external)
+ petsc_get_variable (PETSC_CCPPFLAGS petsc_cpp_line)
+ petsc_get_variable (PETSC_INCLUDE petsc_include)
+ petsc_get_variable (PCC petsc_cc)
+ petsc_get_variable (MPIEXEC petsc_mpiexec)
+ # We are done with the temporary Makefile, calling PETSC_GET_VARIABLE after this point is invalid!
+ file (REMOVE ${petsc_config_makefile})
+
+ include (ResolveCompilerPaths)
+ # Extract include paths and libraries from compile command line
+ resolve_includes (petsc_includes_all "${petsc_cpp_line}")
+
+ message (STATUS "petsc_lib_dir ${petsc_lib_dir}")
+
+ macro (PETSC_FIND_LIBRARY suffix name)
+ set (PETSC_LIBRARY_${suffix} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE) # Clear any stale value, if we got here, we need to find it again
+ find_library (PETSC_LIBRARY_${suffix} NAMES ${name} HINTS ${petsc_lib_dir} NO_DEFAULT_PATH)
+ set (PETSC_LIBRARIES_${suffix} "${PETSC_LIBRARY_${suffix}}")
+ mark_as_advanced (PETSC_LIBRARY_${suffix})
+ endmacro (PETSC_FIND_LIBRARY suffix name)
+
+ # Look for petscvec first, if it doesn't exist, we must be using single-library
+ petsc_find_library (VEC petscvec)
+ if (PETSC_LIBRARY_VEC)
+ petsc_find_library (SYS "petscsys;petsc") # libpetscsys is called libpetsc prior to 3.1 (when single-library was introduced)
+ petsc_find_library (MAT petscmat)
+ petsc_find_library (DM petscdm)
+ petsc_find_library (KSP petscksp)
+ petsc_find_library (SNES petscsnes)
+ petsc_find_library (TS petscts)
+ macro (PETSC_JOIN libs deps)
+ list (APPEND PETSC_LIBRARIES_${libs} ${PETSC_LIBRARIES_${deps}})
+ endmacro (PETSC_JOIN libs deps)
+ petsc_join (VEC SYS)
+ petsc_join (MAT VEC)
+ petsc_join (DM MAT)
+ petsc_join (KSP DM)
+ petsc_join (SNES KSP)
+ petsc_join (TS SNES)
+ petsc_join (ALL TS)
+ else ()
+ set (PETSC_LIBRARY_VEC "NOTFOUND" CACHE INTERNAL "Cleared" FORCE) # There is no libpetscvec
+ petsc_find_library (SINGLE petsc)
+ foreach (pkg SYS VEC MAT DM KSP SNES TS ALL)
+ set (PETSC_LIBRARIES_${pkg} "${PETSC_LIBRARY_SINGLE}")
+ endforeach ()
+ endif ()
+ if (PETSC_LIBRARY_TS)
+ message (STATUS "Recognized PETSc install with separate libraries for each package")
+ else ()
+ message (STATUS "Recognized PETSc install with single library for all packages")
+ endif ()
+
+ include (CheckCSourceRuns)
+ macro (PETSC_TEST_RUNS includes libraries runs)
+ multipass_c_source_runs ("${includes}" "${libraries}" "
+static const char help[] = \"PETSc test program.\";
+#include \"petscts.h\"
+int main(int argc,char *argv[]) {
+ PetscErrorCode ierr;
+ TS ts;
+
+ ierr = PetscInitialize(&argc,&argv,0,help);CHKERRQ(ierr);
+ ierr = TSCreate(PETSC_COMM_WORLD,&ts);CHKERRQ(ierr);
+ ierr = TSSetFromOptions(ts);CHKERRQ(ierr);
+ ierr = TSDestroy(ts);CHKERRQ(ierr);
+ ierr = PetscFinalize();CHKERRQ(ierr);
+ return 0;
+}
+" ${runs})
+ if (${${runs}})
+ set (PETSC_EXECUTABLE_RUNS "YES" CACHE BOOL
+ "Can the system successfully run a PETSc executable? This variable can be manually set to \"YES\" to force CMake to accept a given PETSc configuration, but this will almost always result in a broken build. If you change PETSC_DIR, PETSC_ARCH, or PETSC_CURRENT you would have to reset this variable." FORCE)
+ endif (${${runs}})
+ endmacro (PETSC_TEST_RUNS)
+
+ find_path (PETSC_INCLUDE_DIR petscts.h HINTS "${PETSC_DIR}" PATH_SUFFIXES include NO_DEFAULT_PATH)
+ find_path (PETSC_INCLUDE_CONF petscconf.h HINTS "${PETSC_DIR}" PATH_SUFFIXES "${PETSC_ARCH}/include" "bmake/${PETSC_ARCH}" NO_DEFAULT_PATH)
+ mark_as_advanced (PETSC_INCLUDE_DIR PETSC_INCLUDE_CONF)
+ set (petsc_includes_minimal ${PETSC_INCLUDE_CONF} ${PETSC_INCLUDE_DIR})
+
+ petsc_test_runs ("${petsc_includes_minimal}" "${PETSC_LIBRARIES_TS}" petsc_works_minimal)
+ if (petsc_works_minimal)
+ message (STATUS "Minimal PETSc includes and libraries work. This probably means we are building with shared libs.")
+ set (petsc_includes_needed "${petsc_includes_minimal}")
+ else (petsc_works_minimal) # Minimal includes fail, see if just adding full includes fixes it
+ petsc_test_runs ("${petsc_includes_all}" "${PETSC_LIBRARIES_TS}" petsc_works_allincludes)
+ if (petsc_works_allincludes) # It does, we just need all the includes (
+ message (STATUS "PETSc requires extra include paths, but links correctly with only interface libraries. This is an unexpected configuration (but it seems to work fine).")
+ set (petsc_includes_needed ${petsc_includes_all})
+ else (petsc_works_allincludes) # We are going to need to link the external libs explicitly
+ resolve_libraries (petsc_libraries_external "${petsc_libs_external}")
+ foreach (pkg SYS VEC MAT DM KSP SNES TS ALL)
+ list (APPEND PETSC_LIBRARIES_${pkg} ${petsc_libraries_external})
+ endforeach (pkg)
+ petsc_test_runs ("${petsc_includes_minimal}" "${PETSC_LIBRARIES_TS}" petsc_works_alllibraries)
+ if (petsc_works_alllibraries)
+ message (STATUS "PETSc only need minimal includes, but requires explicit linking to all dependencies. This is expected when PETSc is built with static libraries.")
+ set (petsc_includes_needed ${petsc_includes_minimal})
+ else (petsc_works_alllibraries)
+ # It looks like we really need everything, should have listened to Matt
+ set (petsc_includes_needed ${petsc_includes_all})
+ petsc_test_runs ("${petsc_includes_all}" "${PETSC_LIBRARIES_TS}" petsc_works_all)
+ if (petsc_works_all) # We fail anyways
+ message (STATUS "PETSc requires extra include paths and explicit linking to all dependencies. This probably means you have static libraries and something unexpected in PETSc headers.")
+ else (petsc_works_all) # We fail anyways
+ message (STATUS "PETSc could not be used, maybe the install is broken.")
+ endif (petsc_works_all)
+ endif (petsc_works_alllibraries)
+ endif (petsc_works_allincludes)
+ endif (petsc_works_minimal)
+
+ # We do an out-of-source build so __FILE__ will be an absolute path, hence __INSDIR__ is superfluous
+ if (${PETSC_VERSION} VERSION_LESS 3.1)
+ set (PETSC_DEFINITIONS "-D__SDIR__=\"\"" CACHE STRING "PETSc definitions" FORCE)
+ else ()
+ set (PETSC_DEFINITIONS "-D__INSDIR__=" CACHE STRING "PETSc definitions" FORCE)
+ endif ()
+ # Sometimes this can be used to assist FindMPI.cmake
+ set (PETSC_MPIEXEC ${petsc_mpiexec} CACHE FILEPATH "Executable for running PETSc MPI programs" FORCE)
+ set (PETSC_INCLUDES ${petsc_includes_needed} CACHE STRING "PETSc include path" FORCE)
+ set (PETSC_LIBRARIES ${PETSC_LIBRARIES_ALL} CACHE STRING "PETSc libraries" FORCE)
+ set (PETSC_COMPILER ${petsc_cc} CACHE FILEPATH "PETSc compiler" FORCE)
+ # Note that we have forced values for all these choices. If you
+ # change these, you are telling the system to trust you that they
+ # work. It is likely that you will end up with a broken build.
+ mark_as_advanced (PETSC_INCLUDES PETSC_LIBRARIES PETSC_COMPILER PETSC_DEFINITIONS PETSC_MPIEXEC PETSC_EXECUTABLE_RUNS)
+endif ()
+
+include (FindPackageHandleStandardArgs)
+find_package_handle_standard_args (PETSc
+ "PETSc could not be found. Be sure to set PETSC_DIR and PETSC_ARCH."
+ PETSC_INCLUDES PETSC_LIBRARIES PETSC_EXECUTABLE_RUNS)
diff --git a/AMDiS/FindPackageMultipass.cmake b/AMDiS/FindPackageMultipass.cmake
new file mode 100644
index 00000000..7199e026
--- /dev/null
+++ b/AMDiS/FindPackageMultipass.cmake
@@ -0,0 +1,91 @@
+# PackageMultipass - this module defines two macros
+#
+# FIND_PACKAGE_MULTIPASS (Name CURRENT
+# STATES VAR0 VAR1 ...
+# DEPENDENTS DEP0 DEP1 ...)
+#
+# This function creates a cache entry <UPPERCASED-Name>_CURRENT which
+# the user can set to "NO" to trigger a reconfiguration of the package.
+# The first time this function is called, the values of
+# <UPPERCASED-Name>_VAR0, ... are saved. If <UPPERCASED-Name>_CURRENT
+# is false or if any STATE has changed since the last time
+# FIND_PACKAGE_MULTIPASS() was called, then CURRENT will be set to "NO",
+# otherwise CURRENT will be "YES". IF not CURRENT, then
+# <UPPERCASED-Name>_DEP0, ... will be FORCED to NOTFOUND.
+# Example:
+# find_path (FOO_DIR include/foo.h)
+# FIND_PACKAGE_MULTIPASS (Foo foo_current
+# STATES DIR
+# DEPENDENTS INCLUDES LIBRARIES)
+# if (NOT foo_current)
+# # Make temporary files, run programs, etc, to determine FOO_INCLUDES and FOO_LIBRARIES
+# endif (NOT foo_current)
+#
+# MULTIPASS_C_SOURCE_RUNS (Name INCLUDES LIBRARIES SOURCE RUNS)
+# Always runs the given test, use this when you need to re-run tests
+# because parent variables have made old cache entries stale.
+
+macro (FIND_PACKAGE_MULTIPASS _name _current)
+ string (TOUPPER ${_name} _NAME)
+ set (_args ${ARGV})
+ list (REMOVE_AT _args 0 1)
+
+ set (_states_current "YES")
+ list (GET _args 0 _cmd)
+ if (_cmd STREQUAL "STATES")
+ list (REMOVE_AT _args 0)
+ list (GET _args 0 _state)
+ while (_state AND NOT _state STREQUAL "DEPENDENTS")
+ # The name of the stored value for the given state
+ set (_stored_var PACKAGE_MULTIPASS_${_NAME}_${_state})
+ if (NOT "${${_stored_var}}" STREQUAL "${${_NAME}_${_state}}")
+ set (_states_current "NO")
+ endif (NOT "${${_stored_var}}" STREQUAL "${${_NAME}_${_state}}")
+ set (${_stored_var} "${${_NAME}_${_state}}" CACHE INTERNAL "Stored state for ${_name}." FORCE)
+ list (REMOVE_AT _args 0)
+ list (GET _args 0 _state)
+ endwhile (_state AND NOT _state STREQUAL "DEPENDENTS")
+ endif (_cmd STREQUAL "STATES")
+
+ set (_stored ${_NAME}_CURRENT)
+ if (NOT ${_stored})
+ set (${_stored} "YES" CACHE BOOL "Is the configuration for ${_name} current? Set to \"NO\" to reconfigure." FORCE)
+ set (_states_current "NO")
+ endif (NOT ${_stored})
+
+ set (${_current} ${_states_current})
+ if (NOT ${_current} AND PACKAGE_MULTIPASS_${_name}_CALLED)
+ message (STATUS "Clearing ${_name} dependent variables")
+ # Clear all the dependent variables so that the module can reset them
+ list (GET _args 0 _cmd)
+ if (_cmd STREQUAL "DEPENDENTS")
+ list (REMOVE_AT _args 0)
+ foreach (dep ${_args})
+ set (${_NAME}_${dep} "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
+ endforeach (dep)
+ endif (_cmd STREQUAL "DEPENDENTS")
+ set (${_NAME}_FOUND "NOTFOUND" CACHE INTERNAL "Cleared" FORCE)
+ endif ()
+ set (PACKAGE_MULTIPASS_${name}_CALLED YES CACHE INTERNAL "Private" FORCE)
+endmacro (FIND_PACKAGE_MULTIPASS)
+
+
+macro (MULTIPASS_C_SOURCE_RUNS includes libraries source runs)
+ include (CheckCSourceRuns)
+ # This is a ridiculous hack. CHECK_C_SOURCE_* thinks that if the
+ # *name* of the return variable doesn't change, then the test does
+ # not need to be re-run. We keep an internal count which we
+ # increment to guarantee that every test name is unique. If we've
+ # gotten here, then the configuration has changed enough that the
+ # test *needs* to be rerun.
+ if (NOT MULTIPASS_TEST_COUNT)
+ set (MULTIPASS_TEST_COUNT 00)
+ endif (NOT MULTIPASS_TEST_COUNT)
+ math (EXPR _tmp "${MULTIPASS_TEST_COUNT} + 1") # Why can't I add to a cache variable?
+ set (MULTIPASS_TEST_COUNT ${_tmp} CACHE INTERNAL "Unique test ID")
+ set (testname MULTIPASS_TEST_${MULTIPASS_TEST_COUNT}_${runs})
+ set (CMAKE_REQUIRED_INCLUDES ${includes})
+ set (CMAKE_REQUIRED_LIBRARIES ${libraries})
+ check_c_source_runs ("${source}" ${testname})
+ set (${runs} "${${testname}}")
+endmacro (MULTIPASS_C_SOURCE_RUNS)
--
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