DAMASK_EICMD/CMakeLists.txt

454 lines
21 KiB
CMake

########################################################################################
# Compiler options for building DAMASK
cmake_minimum_required (VERSION 2.8.8 FATAL_ERROR)
#---------------------------------------------------------------------------------------
# Find PETSc from system environment
set(PETSC_DIR $ENV{PETSC_DIR})
if ("${PETSC_DIR}" STREQUAL "")
message (FATAL_ERROR "PETSC_DIR is not defined")
endif ("${PETSC_DIR}" STREQUAL "")
# Use existing variables from PETSc
# https://github.com/jedbrown/cmake-modules/blob/master/FindPETSc.cmake
exec_program(mktemp ARGS -d OUTPUT_VARIABLE PETSC_TEMP)
set(petsc_conf_variables "${PETSC_DIR}/lib/petsc/conf/variables")
set(petsc_conf_rules "${PETSC_DIR}/lib/petsc/conf/rules" )
# Generate a temporary makefile to probe the PETSc configuration
# This file will be deleted once the settings from PETSc are parsed
# into CMake
set (petsc_config_makefile "${PETSC_TEMP}/Makefile.petsc")
file (WRITE
"${petsc_config_makefile}"
"## This file was auto generated by CMake
# PETSC_DIR = ${PETSC_DIR}
SHELL = /bin/sh
include ${petsc_conf_rules}
include ${petsc_conf_variables}
INCLUDE_DIRS := \${PETSC_FC_INCLUDES}
LIBRARIES := \${PETSC_WITH_EXTERNAL_LIB}
COMPILERF := \${FC}
COMPILERC := \${CC}
LINKERNAME := \${FLINKER}
includes:
\t@echo \${INCLUDE_DIRS}
extlibs:
\t@echo \${LIBRARIES}
compilerf:
\t@echo \${COMPILERF}
compilerc:
\t@echo \${COMPILERC}
linker:
\t@echo \${LINKERNAME}
")
# CMake will execute each target in the ${petsc_config_makefile}
# to acquire corresponding PETSc Variables.
find_program (MAKE_EXECUTABLE NAMES make gmake)
# Find the PETSc includes directory settings
execute_process(COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} "includes"
RESULT_VARIABLE PETSC_INCLUDES_RETURN
OUTPUT_VARIABLE petsc_includes
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Find the PETSc external linking directory settings
# //required for final linking, must be appended after the executable
execute_process(COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} "extlibs"
RESULT_VARIABLE PETSC_EXTERNAL_LIB_RETURN
OUTPUT_VARIABLE petsc_external_lib
OUTPUT_STRIP_TRAILING_WHITESPACE)
# PETSc specified fortran compiler
execute_process(COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} "compilerf"
RESULT_VARIABLE PETSC_MPIFC_RETURN
OUTPUT_VARIABLE PETSC_MPIFC
OUTPUT_STRIP_TRAILING_WHITESPACE)
# PETSc specified C compiler
execute_process(COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} "compilerc"
RESULT_VARIABLE PETSC_MPICC_RETURN
OUTPUT_VARIABLE PETSC_MPICC
OUTPUT_STRIP_TRAILING_WHITESPACE)
# PETSc specified linker (MPIF90 + PETSc linking flags)
execute_process(COMMAND ${MAKE_EXECUTABLE} --no-print-directory -f ${petsc_config_makefile} "linker"
RESULT_VARIABLE PETSC_LINKER_RETURN
OUTPUT_VARIABLE PETSC_LINKER
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Remove temporary makefile, no need to keep it anymore.
file (REMOVE_RECURSE ${PETSC_TEMP})
# Remove duplicate compiler and linker flags
string( REGEX MATCHALL "-I([^\" ]+)" TMP_LIST "${petsc_includes}")
list(REMOVE_DUPLICATES TMP_LIST)
foreach (dir ${TMP_LIST})
set(PETSC_INCLUDES "${PETSC_INCLUDES} ${dir}")
endforeach(dir)
string( REGEX MATCHALL "-[lLW]([^\" ]+)" TMP_LIST "${petsc_external_lib}")
list(REMOVE_DUPLICATES TMP_LIST)
foreach (exlib ${TMP_LIST})
set(PETSC_EXTERNAL_LIB "${PETSC_EXTERNAL_LIB} ${exlib}")
endforeach(exlib)
message("Found PETSC_DIR:\n${PETSC_DIR}\n" )
message("Found PETSC_INCLUDES:\n${PETSC_INCLUDES}\n" )
message("Found PETSC_EXTERNAL_LIB:\n${PETSC_EXTERNAL_LIB}\n")
message("Found PETSC_LINKER:\n${PETSC_LINKER}\n" )
message("Found MPI Fortran Compiler:\n${PETSC_MPIFC}\n" )
message("Found MPI C Compiler:\n${PETSC_MPICC}\n" )
#---------------------------------------------------------------------------------------
# Now start to care about DAMASK
# DAMASK Solver selection
if ("${DAMASK_SOLVER}" STREQUAL "SPECTRAL")
project(DAMASK_spectral Fortran C)
add_definitions(-DSpectral)
message("Configuring Spectral Solver\n")
elseif ("${DAMASK_SOLVER}" STREQUAL "FEM")
project(DAMASK_FEM Fortran C)
add_definitions(-DFEM)
message("Configuring FEM Solver\n")
endif()
# set compiler and linker commands (need to be done after defining the project)
# https://cmake.org/Wiki/CMake_FAQ#How_do_I_use_a_different_compiler.3F
set(CMAKE_Fortran_COMPILER "${PETSC_MPIFC}")
set(CMAKE_C_COMPILER "${PETSC_MPICC}")
set(CMAKE_LINKER "${PETSC_LINKER}")
# Predefined sets for OPTIMIZATION/OPENMP based on BUILD_TYPE
if("${CMAKE_BUILD_TYPE}" STREQUAL "DEBUG" OR "${CMAKE_BUILD_TYPE}" STREQUAL "SYNTAXONLY" )
set (PARALLEL "OFF")
set (OPTI "OFF")
set (BUILDCMD_POST "${BUILDCMD_POST} -fsyntax-only")
elseif("${CMAKE_BUILD_TYPE}" STREQUAL "RELEASE")
set (PARALLEL "ON")
set (OPTI "DEFENSIVE")
elseif("${CMAKE_BUILD_TYPE}" STREQUAL "PERFORMANCE")
set (PARALLEL "ON")
set (OPTI "AGGRESSIVE")
endif("${CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
# overwrite optimization if given
if("${OPTIMIZATION}" STREQUAL "")
set(OPTIMIZATION "${OPTI}")
else("${OPTIMIZATION}" STREQUAL "")
set(OPTIMIZATION "${OPTIMIZATION}")
endif("${OPTIMIZATION}" STREQUAL "")
# overwrite optimization if given
if("${OPENMP}" STREQUAL "")
set(OPENMP "${PARALLEL}")
else("${OPENMP}" STREQUAL "")
set(OPENMP "${OPENMP}")
endif("${OPENMP}" STREQUAL "")
# Parse DAMASK_BIN from CONFIG file
file(READ "CONFIG" CONFIGFILE)
STRING(REGEX REPLACE ";" "\\\\;" CONFIGFILE "${CONFIGFILE}")
STRING(REGEX REPLACE "\n" ";" CONFIGFILE "${CONFIGFILE}")
FOREACH(item ${CONFIGFILE})
STRING(REGEX MATCH ".+DAMASK_BIN.+" item ${item})
IF(item)
string(REGEX REPLACE "set" "" item "${item}")
string(REGEX REPLACE "=" " " item "${item}")
string(REGEX REPLACE "\\\${DAMASK_ROOT}" "${PROJECT_SOURCE_DIR}" item "${item}")
string(REPLACE "DAMASK_BIN" ";" STRING_LIST ${item})
list(GET STRING_LIST 1 item)
string(STRIP "${item}" CMAKE_INSTALL_PREFIX)
ENDIF(item)
ENDFOREACH(item ${CONFIGFILE})
# Parse DAMASK version from VERSION file
find_program (CAT_EXECUTABLE NAMES cat)
execute_process(COMMAND ${CAT_EXECUTABLE} ${PROJECT_SOURCE_DIR}/VERSION
RESULT_VARIABLE DAMASK_VERSION_RETURN
OUTPUT_VARIABLE DAMASK_V
OUTPUT_STRIP_TRAILING_WHITESPACE)
add_definitions(-DDAMASKVERSION="${DAMASK_V}")
# definition of other macros
add_definitions(-DPETSc)
add_definitions(-DFLOAT=8)
add_definitions(-DINT=4)
set (DAMASK_INCLUDE_FLAGS "${DAMASK_INCLUDE_FLAGS} ${PETSC_INCLUDES}" )
set (DAMASK_INCLUDE_FLAGS "${DAMASK_INCLUDE_FLAGS} -I${PROJECT_SOURCE_DIR}/lib")
###################################################################################################
# Intel Compiler
###################################################################################################
if(${CMAKE_Fortran_COMPILER_ID} STREQUAL "Intel")
if (OPENMP)
set (OPENMP_FLAGS "-qopenmp -parallel")
endif(OPENMP)
if ("${OPTIMIZATION}" STREQUAL "OFF")
set (OPTIMIZATION_FLAGS "-O0 -no-ip")
elseif("${OPTIMIZATION}" STREQUAL "DEFENSIVE")
set (OPTIMIZATION_FLAGS "-O2")
elseif ("${OPTIMIZATION}" STREQUAL "AGGRESSIVE")
set (OPTIMIZATION_FLAGS "-ipo -O3 -no-prec-div -fp-model fast=2 -xHost" )
# -fast = -ipo, -O3, -no-prec-div, -static, -fp-model fast=2, and -xHost"
endif()
set (STANDARD_CHECK "-stand f08 -standard-semantics")
set (LINKER_FLAGS "${LINKER_FLAGS} -shared-intel")
# Link against shared Intel libraries instead of static ones
#------------------------------------------------------------------------------------------------
# Fine tuning compilation options
set (COMPILE_FLAGS "${COMPILE_FLAGS} -fpp")
# preprocessor
set (COMPILE_FLAGS "${COMPILE_FLAGS} -ftz")
# flush unterflow to zero, automatically set if O<0,1,2,3> >0
set (COMPILE_FLAGS "${COMPILE_FLAGS} -assume")
# assume
set (COMPILE_FLAGS "${COMPILE_FLAGS}byterecl")
# record length is given in bytes (also set by -standard-semantics)
set (COMPILE_FLAGS "${COMPILE_FLAGS},fpe_summary")
# print list of floating point exceptions occured during execution
set (COMPILE_FLAGS "${COMPILE_FLAGS} -diag-disable")
# disables warnings, where
set (COMPILE_FLAGS "${COMPILE_FLAGS}5268")
# the text exceeds right hand column allowed on the line (we have only comments there)
set (COMPILE_FLAGS "${COMPILE_FLAGS} -warn")
# enables warnings, where
set (COMPILE_FLAGS "${COMPILE_FLAGS}declarations")
# any undeclared names (alternative name: -implicitnone)
set (COMPILE_FLAGS "${COMPILE_FLAGS},general")
# warning messages and informational messages are issued by the compiler
set (COMPILE_FLAGS "${COMPILE_FLAGS},usage")
# questionable programming practices
set (COMPILE_FLAGS "${COMPILE_FLAGS},interfaces")
# checks the interfaces of all SUBROUTINEs called and FUNCTIONs invoked in your compilation against an external set of interface blocks
set (COMPILE_FLAGS "${COMPILE_FLAGS},ignore_loc")
# %LOC is stripped from an actual argument
set (COMPILE_FLAGS "${COMPILE_FLAGS},alignments")
# data that is not naturally aligned
set (COMPILE_FLAGS "${COMPILE_FLAGS},unused")
# declared variables that are never used
# Additional options
# -warn: enables warnings, where
# truncated_source: Determines whether warnings occur when source exceeds the maximum column width in fixed-format files.
# (too many warnings because we have comments beyond character 132)
# uncalled: Determines whether warnings occur when a statement function is never called
# all:
# -name as_is: case sensitive Fortran!
#------------------------------------------------------------------------------------------------
# Runtime debugging
set (DEBUG_FLAGS "${DEBUG_FLAGS} -g")
# Generate symbolic debugging information in the object file
set (DEBUG_FLAGS "${DEBUG_FLAGS} -traceback")
# Generate extra information in the object file to provide source file traceback information when a severe error occurs at run time.
set (DEBUG_FLAGS "${DEBUG_FLAGS} -gen-interfaces")
# Generate an interface block for each routine. http://software.intel.com/en-us/blogs/2012/01/05/doctor-fortran-gets-explicit-again/
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fp-stack-check")
# Generate extra code after every function call to ensure that the floating-point (FP) stack is in the expected state.
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fp-model strict")
# Trap uninitalized variables
set (DEBUG_FLAGS "${DEBUG_FLAGS} -check" )
# Checks at runtime, where
set (DEBUG_FLAGS "${DEBUG_FLAGS}bounds")
# if an array index is too small (<1) or too large!
set (DEBUG_FLAGS "${DEBUG_FLAGS},format")
# for the data type of an item being formatted for output.
set (DEBUG_FLAGS "${DEBUG_FLAGS},output_conversion")
# for the fit of data items within a designated format descriptor field.
set (DEBUG_FLAGS "${DEBUG_FLAGS},pointers")
# for certain disassociated or uninitialized pointers or unallocated allocatable objects.
set (DEBUG_FLAGS "${DEBUG_FLAGS},uninit")
# for uninitialized variables.
set (DEBUG_FLAGS "${DEBUG_FLAGS} -ftrapuv")
# initializes stack local variables to an unusual value to aid error detection
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fpe-all0")
# capture all floating-point exceptions, sets -ftz automatically
set (DEBUG_FLAGS "${DEBUG_FLAGS} -warn")
# enables warnings, where
set (DEBUG_FLAGS "${DEBUG_FLAGS}errors")
# warnings are changed to errors
set (DEBUG_FLAGS "${DEBUG_FLAGS},stderrors")
# warnings about Fortran standard violations are changed to errors
set (DEBUG_FLAGS "${DEBUG_FLAGS} -debug-parameters all" )
# generate debug information for parameters
# Additional options
# -heap-arrays: Should not be done for OpenMP, but set "ulimit -s unlimited" on shell. Probably it helps also to unlimit other limits
# -check: Checks at runtime, where
# arg_temp_created: will cause a lot of warnings because we create a bunch of temporary arrays (performance?)
# stack:
#------------------------------------------------------------------------------------------------
# precision settings
set (PRECISION_FLAGS "${PRECISION_FLAGS} -real-size 64")
# set precision to one of those 32/64/128 (= 4/8/16 bytes) for standard real (=8 for pReal)
set (PRECISION_FLAGS "${PRECISION_FLAGS} -integer-size 32")
# set precision to one of those 16/32/64 (= 2/4/8 bytes) for standard integer (=4 for pInt)
###################################################################################################
# GNU Compiler
###################################################################################################
elseif(${CMAKE_Fortran_COMPILER_ID} STREQUAL "GNU")
if (OPENMP)
set (OPENMP_FLAGS "-fopenmp")
endif()
if ("${OPTIMIZATION}" STREQUAL "OFF")
set (OPTIMIZATION_FLAGS "-O0" )
elseif ("${OPTIMIZATION}" STREQUAL "DEFENSIVE")
set (OPTIMIZATION_FLAGS "-O2")
elseif ("${OPTIMIZATION}" STREQUAL "AGGRESSIVE")
set (OPTIMIZATION_FLAGS "-O3 -ffast-math -funroll-loops -ftree-vectorize")
endif()
set (STANDARD_CHECK "-std=f2008ts -pedantic-errors" )
set (LINKER_FLAGS "${LINKER_FLAGS} -Wl")
# options parsed directly to the linker
set (LINKER_FLAGS "${LINKER_FLAGS},-undefined")
set (LINKER_FLAGS "${LINKER_FLAGS},-dynamic_lookup" )
# ensure to link against dynamic libraries
#------------------------------------------------------------------------------------------------
# Fine tuning compilation options
set (COMPILE_FLAGS "${COMPILE_FLAGS} -xf95-cpp-input")
# preprocessor
set (COMPILE_FLAGS "${COMPILE_FLAGS} -ffree-line-length-132")
# restrict line length to the standard 132 characters (lattice.f90 require more characters)
set (COMPILE_FLAGS "${COMPILE_FLAGS} -fimplicit-none")
# assume "implicit none" even if not present in source
set (COMPILE_FLAGS "${COMPILE_FLAGS} -fmodule-private")
# assume "private" even if not present in source
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wall")
# sets the following Fortran options:
# -Waliasing: warn about possible aliasing of dummy arguments. Specifically, it warns if the same actual argument is associated with a dummy argument with "INTENT(IN)" and a dummy argument with "INTENT(OUT)" in a call with an explicit interface.
# -Wampersand: checks if a character expression is continued proberly by an ampersand at the end of the line and at the beginning of the new line
# -Warray-bounds: checks if array reference is out of bounds at compile time. use -fcheck-bounds to also check during runtime
# -Wconversion: warn about implicit conversions between different type
# -Wsurprising: warn when "suspicious" code constructs are encountered. While technically legal these usually indicate that an error has been made.
# -Wc-binding-type:
# -Wintrinsics-std: only standard intrisics are available, e.g. "call flush(6)" will cause an error
# -Wno-tabs: do not allow tabs in source
# -Wintrinsic-shadow: warn if a user-defined procedure or module procedure has the same name as an intrinsic
# -Wline-truncation:
# -Wtarget-lifetime:
# -Wreal-q-constant: warn about real-literal-constants with 'q' exponent-letter
# -Wunused: a number of unused-xxx warnings
# and sets the general (non-Fortran options) options:
# -Waddress
# -Warray-bounds (only with -O2)
# -Wc++11-compat
# -Wchar-subscripts
# -Wcomment
# -Wformat
# -Wmaybe-uninitialized
# -Wnonnull
# -Wparentheses
# -Wpointer-sign
# -Wreorder
# -Wreturn-type
# -Wsequence-point
# -Wstrict-aliasing
# -Wstrict-overflow=1
# -Wswitch
# -Wtrigraphs
# -Wuninitialized
# -Wunknown-pragmas
# -Wunused-function
# -Wunused-label
# -Wunused-value
# -Wunused-variable
# -Wvolatile-register-var
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wextra")
# sets the following Fortran options:
# -Wunuses-parameter:
# -Wcompare-reals:
# and sets the general (non-Fortran options) options:
# -Wclobbered
# -Wempty-body
# -Wignored-qualifiers
# -Wmissing-field-initializers
# -Woverride-init
# -Wsign-compare
# -Wtype-limits
# -Wuninitialized
# -Wunused-but-set-parameter (only with -Wunused or -Wall)
# -Wno-globals
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wcharacter-truncation")
# warn if character expressions (strings) are truncated
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wunderflow")
# produce a warning when numerical constant expressions are encountered, which yield an UNDERFLOW during compilation
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wsuggest-attribute=pure")
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wsuggest-attribute=noreturn")
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wconversion-extra")
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wimplicit-procedure")
set (COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-unused-parameter")
set (COMPILE_FLAGS "${COMPILE_FLAGS} -ffpe-summary=all")
# print summary of floating point exeptions (invalid,zero,overflow,underflow,inexact,denormal)
# Additional options
# -Warray-temporarieswarnings: because we have many temporary arrays (performance issue?):
# -Wimplicit-interface: no interfaces for lapack/MPI routines
# -Wunsafe-loop-optimizations: warn if the loop cannot be optimized due to nontrivial assumptions.
#------------------------------------------------------------------------------------------------
# Runtime debugging
set (DEBUG_FLAGS "${DEBUG_FLAGS} -ffpe-trap=invalid,zero,overflow")
# stop execution if floating point exception is detected (NaN is silent)
set (DEBUG_FLAGS "${DEBUG_FLAGS} -g")
# Generate symbolic debugging information in the object file
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fbacktrace")
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fdump-core")
set (DEBUG_FLAGS "${DEBUG_FLAGS} -fcheck=all")
# checks for (array-temps,bounds,do,mem,pointer,recursion)
# Additional options
# -ffpe-trap=precision,denormal,underflow
#------------------------------------------------------------------------------------------------
# precision settings
set (PRECISION_FLAGS "${PRECISION_FLAGS} -fdefault-real-8")
# set precision to 8 bytes for standard real (=8 for pReal). Will set size of double to 16 bytes as long as -fdefault-double-8 is not set
set (PRECISION_FLAGS "${PRECISION_FLAGS} -fdefault-double-8")
# set precision to 8 bytes for double real, would be 16 bytes if -fdefault-real-8 is used
# Additional options
# -fdefault-integer-8: Use it to set precision to 8 bytes for integer, don't use it for the standard case of pInt=4 (there is no -fdefault-integer-4)
endif()
set (CMAKE_Fortran_FLAGS "${BUILDCMD_PRE} ${OPENMP_FLAGS} ${STANDARD_CHECK} ${OPTIMIZATION_FLAGS} ${COMPILE_FLAGS} ${PRECISION_FLAGS}")
set (CMAKE_Fortran_LINK_EXECUTABLE "${BUILDCMD_PRE} ${CMAKE_LINKER} ${OPENMP_FLAGS} ${OPTIMIZATION_FLAGS} ${LINKER_FLAGS}")
if("${CMAKE_BUILD_TYPE}" STREQUAL "")
set (CMAKE_BUILD_TYPE "RELEASE")
elseif("${CMAKE_BUILD_TYPE}" STREQUAL "DEBUG")
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${DEBUG_FLAGS}")
set (CMAKE_Fortran_LINK_EXECUTABLE "${CMAKE_Fortran_LINK_EXECUTABLE} ${DEBUG_FLAGS}")
endif()
set (CMAKE_Fortran_LINK_EXECUTABLE "${CMAKE_Fortran_LINK_EXECUTABLE} <OBJECTS> -o <TARGET> <LINK_LIBRARIES> ${PETSC_EXTERNAL_LIB} ${BUILDCMD_POST}")
set (CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} ${DAMASK_INCLUDE_FLAGS} ${BUILDCMD_POST}")
message("Compiler Flags (Fortran):\n${CMAKE_Fortran_FLAGS}\n")
message("Linker Flags (Fortran):\n${CMAKE_Fortran_LINK_EXECUTABLE}\n")
# location of code
add_subdirectory(src)
# INSTALL BUILT BINARIES
if ("${BUILD_TYPE}" STREQUAL SYNTAXONLY)
if ("${PROJECT_NAME}" STREQUAL DAMASK_spectral)
INSTALL(PROGRAMS ${PROJECT_BINARY_DIR}/src/DAMASK_spectral
DESTINATION ${CMAKE_INSTALL_PREFIX})
elseif ("${PROJECT_NAME}" STREQUAL DAMASK_FEM)
INSTALL(PROGRAMS ${PROJECT_BINARY_DIR}/src/DAMASK_FEM
DESTINATION ${CMAKE_INSTALL_PREFIX})
endif("${PROJECT_NAME}" STREQUAL DAMASK_spectral)
else("${BUILD_TYPE}" STREQUAL SYNTAXONLY)
exec_program(mktemp ARGS -d OUTPUT_VARIABLE BLACK_HOLE)
INSTALL(PROGRAMS ${PROJECT_BINARY_DIR}/src/prec.mod
DESTINATION ${BLACK_HOLE})
endif()