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
|
# -*- mode: cmake -*-
set(MPI_LIBRARIES "")
if (DEFINED CMAKE_C_COMPILER AND NOT MPI_C_COMPILER)
message(STATUS "MPI disabled")
else()
# Eduard, had to rework this part, otherwise it breaks on Linux
# see if MPI_CXX_COMPILER compiles MPI
if (NOT DEFINED MPI_C_COMPILER)
CHECK_CXX_SOURCE_COMPILES(
"
#include <mpi.h>
int main(int argc, char **argv) {
MPI_Init(&argc, &argv);
MPI_Finalize();
}
" CXX_COMPILER_COMPILES_MPI)
if (CXX_COMPILER_COMPILES_MPI)
set(HAVE_MPI TRUE)
# assume C sources are compatible with C++
set(MPI_CXX_COMPILER ${CMAKE_CXX_COMPILER})
message(STATUS "C++ compiler (${CMAKE_CXX_COMPILER}) compiles and links MPI")
endif()
endif()
# if MPI_C_COMPILER was provided, or the default compilers are not capable of MPI
# find MPI
if (NOT HAVE_MPI)
find_package(MPI)
if (NOT MPI_FOUND)
message(FATAL_ERROR "MPI not found")
else()
set(HAVE_MPI TRUE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MPI_LINKER_FLAGS}")
include_directories(${MPI_INCLUDE_PATH})
list(APPEND CMAKE_REQUIRED_INCLUDES ${MPI_INCLUDE_PATH})
list(APPEND CMAKE_REQUIRED_LIBRARIES ${MPI_LIBRARIES})
message(STATUS "MPI_LIBRARIES: ${MPI_LIBRARIES}")
message(STATUS "MPI_LINKER_FLAGS: ${MPI_LINKER_FLAGS}")
endif()
endif()
# This should be outside the conditionals, ask Ed
if (HAVE_MPI)
option(ALWAYS_USE_MPI "Always use MPI" TRUE)
endif()
# check for MPI IO
if (HAVE_MPI)
CHECK_CXX_SOURCE_COMPILES(
"
#include <mpi.h>
int main(int argc, char **argv) {
MPI_Init(&argc, &argv);
MPI_File file;
MPI_File_open(MPI_COMM_WORLD, \"dummy.txt\", MPI_MODE_CREATE|MPI_MODE_WRONLY,
MPI_INFO_NULL, &file);
MPI_File_close(&file);
MPI_Finalize();
}
" CXX_COMPILER_COMPILES_MPIIO)
if (CXX_COMPILER_COMPILES_MPIIO)
set(HAVE_MPIIO TRUE)
endif()
endif()
endif()
|
