summaryrefslogtreecommitdiffstats
path: root/config/cmake/HDF5UseFortran.cmake
blob: e65ea214ae1601697000e7a42d77eb827607aaec (plain)
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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#
# This file provides functions for Fortran support.
#
#-------------------------------------------------------------------------------
ENABLE_LANGUAGE (Fortran)
  
#-----------------------------------------------------------------------------
# Detect name mangling convention used between Fortran and C
#-----------------------------------------------------------------------------
include (FortranCInterface)
FortranCInterface_HEADER (
    ${CMAKE_BINARY_DIR}/FCMangle.h
    MACRO_NAMESPACE "H5_FC_"
    SYMBOL_NAMESPACE "H5_FC_"
    SYMBOLS mysub mymod:my_sub
)

file (STRINGS ${CMAKE_BINARY_DIR}/FCMangle.h CONTENTS REGEX "H5_FC_GLOBAL\\(.*,.*\\) +(.*)")
string (REGEX MATCH "H5_FC_GLOBAL\\(.*,.*\\) +(.*)" RESULT ${CONTENTS})
set (H5_FC_FUNC "H5_FC_FUNC(name,NAME) ${CMAKE_MATCH_1}")

file (STRINGS ${CMAKE_BINARY_DIR}/FCMangle.h CONTENTS REGEX "H5_FC_GLOBAL_\\(.*,.*\\) +(.*)")
string (REGEX MATCH "H5_FC_GLOBAL_\\(.*,.*\\) +(.*)" RESULT ${CONTENTS})
set (H5_FC_FUNC_ "H5_FC_FUNC_(name,NAME) ${CMAKE_MATCH_1}")

#-----------------------------------------------------------------------------
# The provided CMake Fortran macros don't provide a general check function
# so this one is used for a sizeof test.
#-----------------------------------------------------------------------------
MACRO (CHECK_FORTRAN_FEATURE FUNCTION CODE VARIABLE)
  if (NOT DEFINED ${VARIABLE})
    message (STATUS "Testing Fortran ${FUNCTION}")
    if (CMAKE_REQUIRED_LIBRARIES)
      set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES
          "-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
    else (CMAKE_REQUIRED_LIBRARIES)
      set (CHECK_FUNCTION_EXISTS_ADD_LIBRARIES)
    endif (CMAKE_REQUIRED_LIBRARIES)
    file (WRITE
        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
        "${CODE}"
    )
    TRY_COMPILE (${VARIABLE}
        ${CMAKE_BINARY_DIR}
        ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/testFortranCompiler.f
        CMAKE_FLAGS "${CHECK_FUNCTION_EXISTS_ADD_LIBRARIES}"
        OUTPUT_VARIABLE OUTPUT
    )

#    message ( "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")
#    message ( "Test result ${OUTPUT}")
#    message ( "* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * ")

    if (${VARIABLE})
      set (${VARIABLE} 1 CACHE INTERNAL "Have Fortran function ${FUNCTION}")
      message (STATUS "Testing Fortran ${FUNCTION} - OK")
      file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
          "Determining if the Fortran ${FUNCTION} exists passed with the following output:\n"
          "${OUTPUT}\n\n"
      )
    else (${VARIABLE})
      message (STATUS "Testing Fortran ${FUNCTION} - Fail")
      set (${VARIABLE} "" CACHE INTERNAL "Have Fortran function ${FUNCTION}")
      file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
          "Determining if the Fortran ${FUNCTION} exists failed with the following output:\n"
          "${OUTPUT}\n\n")
    endif (${VARIABLE})
  endif (NOT DEFINED ${VARIABLE})
ENDMACRO (CHECK_FORTRAN_FEATURE)

#-----------------------------------------------------------------------------
# Configure Checks which require Fortran compilation must go in here
# not in the main ConfigureChecks.cmake files, because if the user has
# no Fortran compiler, problems arise.
#
# Be careful with leading spaces here, do not remove them.
#-----------------------------------------------------------------------------
CHECK_FORTRAN_FEATURE(sizeof
  "
       PROGRAM main
       i = sizeof(x)
       END PROGRAM
  "
  FORTRAN_HAVE_SIZEOF
)

CHECK_FORTRAN_FEATURE(RealIsNotDouble
  "
       MODULE type_mod
         INTERFACE h5t
           MODULE PROCEDURE h5t_real
           MODULE PROCEDURE h5t_dble
         END INTERFACE
       CONTAINS
         SUBROUTINE h5t_real(r)
           REAL :: r
         END SUBROUTINE h5t_real
         SUBROUTINE h5t_dble(d)
           DOUBLE PRECISION :: d
         END SUBROUTINE h5t_dble
       END MODULE type_mod
       PROGRAM main
         USE type_mod
         REAL :: r
         DOUBLE PRECISION :: d
         CALL h5t(r)
         CALL h5t(d)
       END PROGRAM main
  "
  FORTRAN_DEFAULT_REAL_NOT_DOUBLE
)

#-----------------------------------------------------------------------------
# Checks if the ISO_C_BINDING module meets all the requirements
#-----------------------------------------------------------------------------
CHECK_FORTRAN_FEATURE(iso_c_binding
  "
       PROGRAM main
            USE iso_c_binding
            IMPLICIT NONE
            TYPE(C_PTR) :: ptr
            TYPE(C_FUNPTR) :: funptr
            INTEGER(C_INT64_T) :: c_int64_type 
            CHARACTER(LEN=80, KIND=c_char), TARGET :: ichr
            ptr = C_LOC(ichr(1:1))
       END PROGRAM
  "
  FORTRAN_HAVE_ISO_C_BINDING
)

#-----------------------------------------------------------------------------
# Add debug information (intel Fortran : JB)
#-----------------------------------------------------------------------------
if (CMAKE_Fortran_COMPILER MATCHES ifort)
    if (WIN32)
        set (CMAKE_Fortran_FLAGS_DEBUG "/debug:full /dbglibs " CACHE "flags" STRING FORCE)
        set (CMAKE_EXE_LINKER_FLAGS_DEBUG "/DEBUG" CACHE "flags" STRING FORCE)
    endif (WIN32)
endif (CMAKE_Fortran_COMPILER MATCHES ifort)