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aclocal.m4
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aclocal.m4
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dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_ASSOCIATED_BUG([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler has a bug
dnl forbidding the use of ASSOCIATED in restricted expressions
dnl (versions of gfortran, pathscale & xlf have been found which do)
dnl
dnl
dnl @version 1.0
dnl @author <tow@uszla.me.uk>
dnl
AC_DEFUN([TW_CHECK_ASSOCIATED_BUG],[
dnl
AC_MSG_CHECKING([for ASSOCIATED in restricted expression bug])
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
function test_bug(a) result(b)
integer, pointer :: a
integer, dimension(merge(1, 2, associated(a))) :: b
b = 0
end function test_bug
]]),
[AC_MSG_RESULT([no])
m4_default([$1],[:])
],
[AC_MSG_RESULT([yes])
m4_default([$2],[:]
[AC_MSG_ERROR([This Fortran compiler does not understand ASSOCIATED in restricted expressions.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_90([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler is fully
dnl compliant with Fortran 90 (ISO/IEC-1539:1991)
dnl If so, ACTION_IF_TRUE is performed; if not, ACTION_IF_FALSE
dnl
dnl It currently tests for:
dnl
dnl Modules
dnl Private
dnl New-style variable declarations.
dnl
dnl @version 1.0
dnl @author Toby White <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_90],[
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_MSG_CHECKING([for Fortran 90 compliance])
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Module test_module
Implicit None
Private
Contains
Function test_function() Result(out)
Integer :: out
out = 0
End Function test_function
End Module test_module
]]),
[AC_MSG_RESULT([yes])
m4_default([$1],[])
],
[AC_MSG_RESULT([no])
m4_default([$2],
[AC_MSG_ERROR([ A fully Fortran-90-compliant compiler is required.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_95([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler is fully
dnl compliant with Fortran 95 (ISO-IEC 1539-1:1997)
dnl
dnl It currently tests for:
dnl
dnl Named End Interface
dnl Derived type initialization
dnl The Null() intrinsic
dnl The Forall statement
dnl The Cpu_Time intrinsic
dnl Pure functions
dnl Elemental functions
dnl
dnl @version 1.0
dnl @author <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_95],[
dnl
AC_MSG_CHECKING([for Fortran 95 compliance])
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Program test_f95
! Interface test_interface
! End Interface test_interface
Type test_type
Integer :: i = 1
End Type test_type
Integer, Pointer :: j => Null()
Integer :: i
Real :: a
Forall (i=1:50)
End Forall
Call CPU_TIME(a)
Contains
Pure Integer Function test_pure()
test_pure = 0
End Function test_pure
Elemental Integer Function test_elemental(in)
Integer, Intent(In) :: in
test_elemental = 0
End Function test_elemental
End Program test_f95
]]),
[AC_MSG_RESULT([yes])
m4_default([$1],[:])
],
[AC_MSG_RESULT([no])
m4_default([$2],
[AC_MSG_ERROR([A fully Fortran-95-compliant compiler is required.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_FPP([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler supports
dnl cpp-like functionality when called on a suitable fixed-format file.
dnl If so, ACTION_IF_TRUE is performed; if not, ACTION_IF_FALSE
dnl
dnl @version 1.0
dnl @author Toby White <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_FPP],[
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_FC_SRCEXT(F)
dnl
AC_MSG_CHECKING([whether $FC has an integrated Fortran cpp-style preprocessor for fixed-form source])
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Program test_cpp
#if 1
Integer i
#else
Integer j
#endif
End Program
]]),
[AC_MSG_RESULT([yes])
m4_ifval([$1],[$1],[])
],
[AC_MSG_RESULT([no])
m4_ifval([$2],[$2],
[AC_MSG_ERROR([A Fortran compiler with integrated cpp-style preprocessor for fixed-form source is required.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_FPP_90([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler supports
dnl cpp-like functionality when called on a suitable fixed-format file.
dnl If so, ACTION_IF_TRUE is performed; if not, ACTION_IF_FALSE
dnl
dnl @version 1.0
dnl @author Toby White <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_FPP_90],[
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_FPP_SRCEXT(F90)
ac_ext=F90
dnl
AC_MSG_CHECKING([whether $FC has an integrated Fortran cpp-style preprocessor for free-form source])
dnl
FCFLAGS_save=$FCFLAGS
FCFLAGS="$FCFLAGS $FPPFLAGS_F90 $FCFLAGS_free"
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Program test_cpp
#if 1
Integer i
#else
Integer j
#endif
End Program
]]),
[AC_MSG_RESULT([yes])
m4_ifval([$1],[$1],[])
],
[AC_MSG_RESULT([no])
m4_ifval([$2],[$2],
[AC_MSG_ERROR([A Fortran compiler with integrated cpp-style preprocessor for free-from source is required.])])
]
)
AC_LANG_POP(Fortran)
FCFLAGS=$FCFLAGS_save
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_TR15580([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler is fully
dnl compliant with the Fortran 95 Floating Point Exception Handling
dnl Extension, ISO TR15580.
dnl
dnl @version 1.0
dnl @author <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_TR15580],[
dnl
AC_MSG_CHECKING([$FC for compliance to the Floating Point Exception Handling Extension])
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Program test_tr15580
Use, Intrinsic :: IEEE_Arithmetic
Use, Intrinsic :: IEEE_Exceptions
Use, Intrinsic :: IEEE_Features
End Program test_tr15580
]]),
[AC_MSG_RESULT([yes])
m4_ifval([$1],[$1],[])
],
[AC_MSG_RESULT([no])
m4_ifval([$2],[$2],
[AC_MSG_ERROR([A fully TR15580-compliant compiler is required.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl @synopsis TW_CHECK_FC_TR15581([ACTION_IF_TRUE],[ACTION_IF_FALSE])
dnl
dnl Checks whether the currently selected Fortran compiler is fully
dnl compliant with the Fortran 95 Enhanced Datatype Facilities
dnl Extension, ISO TR15581.
dnl
dnl @version 1.0
dnl @author <tow21@cam.ac.uk>
dnl
AC_DEFUN([TW_CHECK_FC_TR15581],[
dnl
AC_MSG_CHECKING([$FC for compliance to the Enhanced Datatype Facilities Extension])
dnl
AC_LANG_PUSH(Fortran)
dnl
AC_COMPILE_IFELSE(
dnl The program is written in fixed-form source to avoid worrying
dnl about filename extensions.
AC_LANG_SOURCE([[
Program test_tr15581
Type test_type
Integer, Allocatable :: array(:)
End Type test_type
End Program test_tr15581
Function test_function
Integer, Allocatable :: test_function(:)
Allocate(test_function(5))
End Function test_function
Subroutine test_subroutine(array)
Integer, Allocatable :: array(:)
Allocate(array(5))
End Subroutine test_subroutine
]]),
[AC_MSG_RESULT([yes])
m4_ifval([$1],[$1],[])
],
[AC_MSG_RESULT([no])
m4_ifval([$2],[$2],
[AC_MSG_ERROR([A fully TR15581-compliant compiler is required.])])
]
)
AC_LANG_POP(Fortran)
dnl
])
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
dnl Check how to get at the abort intrinsic.
AC_DEFUN([_TW_TRY_ABORT_BARE],
[
PROGRAM TESTABORT
CALL ABORT
END PROGRAM TESTABORT
])
AC_DEFUN([_TW_TRY_ABORT_NAG],
[
PROGRAM TESTABORT
USE F90_UNIX_PROC, ONLY:ABORT
CALL ABORT
END PROGRAM TESTABORT
])
AC_DEFUN([_TW_TRY_ABORT_INTEL],
[
PROGRAM TESTABORT
CALL ABORT("")
END PROGRAM TESTABORT
])
AC_DEFUN([_TW_TRY_ABORT_XLF],
[
PROGRAM TESTABORT
CALL ABORT_
END PROGRAM TESTABORT
])
AC_DEFUN([TW_FC_CHECK_ABORT], [
AC_REQUIRE([AC_PROG_FC])dnl
dnl
AC_MSG_CHECKING([how to compile a call to ABORT])
dnl
dnl Try first with nothing
dnl
tw_abort_ok=no
dnl
dnl First check with one arg (this will fail if no args are necessary; testing
dnl in the opposite order will succeed when it shouldnt)
dnl
if test $tw_abort_ok = no; then
AC_LINK_IFELSE(
[AC_LANG_SOURCE([_TW_TRY_ABORT_INTEL])],
[tw_abort_ok=yes; tw_method="with argument";echo "#define FC_HAVE_ABORT 1" >> confdefs.h; echo "#define FC_ABORT_ARG 1" >> confdefs.h],
[])
fi
dnl
if test $tw_abort_ok = no; then
AC_LINK_IFELSE(
[AC_LANG_SOURCE([_TW_TRY_ABORT_XLF])],
[tw_abort_ok=yes; tw_method="with underscore";echo "#define FC_HAVE_ABORT 1" >> confdefs.h; echo "#define FC_ABORT_UNDERSCORE 1" >> confdefs.h],
[])
fi
dnl
if test $tw_abort_ok = no; then
AC_LINK_IFELSE(
[AC_LANG_SOURCE([_TW_TRY_ABORT_BARE])],
[tw_abort_ok=yes; tw_method=default;echo "#define FC_HAVE_ABORT 1" >> confdefs.h],
[])
fi
dnl
if test $tw_abort_ok = no; then
AC_LINK_IFELSE(
[AC_LANG_SOURCE([_TW_TRY_ABORT_NAG])],
[tw_abort_ok=yes; tw_method="with f90_unix_proc";echo "#define FC_HAVE_ABORT 1" >> confdefs.h],
[])
fi
dnl
dnl Cant get it to compile alone - need a compiler flag.
dnl Now try with -Vaxlib for intel:
dnl
if test $tw_abort_ok = no; then
save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Vaxlib"
AC_LINK_IFELSE(
[AC_LANG_SOURCE([_TW_TRY_ABORT_BARE])],
[tw_abort_ok=yes; tw_method="with -Vaxlib";echo "#define FC_HAVE_ABORT 1" >> confdefs.h],
[])
if test $tw_abort_ok = no; then
LDFLAGS=$save_LDFLAGS
fi
fi
AC_MSG_RESULT([$tw_method])
dnl
AS_IF([test $tw_abort_ok = yes],
[$1],
[m4_default([$2],[AC_MSG_ERROR([Cannot compile call to ABORT ])])]
)
dnl
])# TW_FC_CHECK_ABORT
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006
# TW_FC_CHECK_EOL()
# -------------------
#
# This macro checks what kind of line ending the Fortran compiler
# writes out, and expects to read in. (Checking reading explicitly really doesnt work)
AC_DEFUN([TW_FC_CHECK_EOL], [dnl
AC_REQUIRE([AC_PROG_FC])
AC_LANG_PUSH([Fortran])
FCFLAGS_save="$FCFLAGS"
FCFLAGS="$FCFLAGS $FCFLAGS_free_f90"
AC_MSG_CHECKING([for EOR character used by $FC])
AC_RUN_IFELSE([
program output_eol
open(unit=10, file="conf_eol.out")
write(10,"(a)") ""
end program
],
[
if ! test -f conf_eol.out; then
AC_MSG_ERROR([Could not find test output])
elif od -b conf_eol.out | grep 5015 >/dev/null; then
ac_cv_FC_check_output_eol=CRLF
elif od -b conf_eol.out | grep 15 >/dev/null; then
ac_cv_FC_check_output_eol=CR
elif od -b conf_eol.out | grep 12 >/dev/null; then
ac_cv_FC_check_output_eol=LF
else
ac_cv_FC_check_output_eol=UNKNOWN
fi
rm -rf conf_eol.out
if test $ac_cv_FC_check_output_eol = UNKNOWN; then
AC_MSG_ERROR([Could not determine line-ending convention])
fi
],
[AC_MSG_ERROR([Could not execute compiled program])],
[ac_cv_FC_check_output_eol=EOL_CR] dnl take a wild guess at Unix if x-compiling
)
AC_MSG_RESULT([$ac_cv_FC_check_output_eol])
])
dnl output EOL
dnl
AC_DEFUN([_TW_FC_CHECK_INPUT_EOL], [
AC_MSG_CHECKING([for input EOL character produced by $FC])
touch conf_empty.txt
# Surely there must be a better way to create a CRLF file than this!
echo 12 | tr -d "\012\015" | tr 12 "\015\012" > conf_crlf.txt
AC_RUN_IFELSE([
program input_eol
integer :: i, io_eof
integer :: s1, result
character :: c
open(unit=10, file="conf_empty.txt")
open(unit=11, file="conf_crlf.txt")
open(unit=12, file="conf_result.txt")
! Pick up eof first
read(10, "(a1)", iostat=io_eof) c
i = 0
n = 1
s = 0
result = 0
read(11, "(a1)", iostat=i) c
! If we are on an LF-EOL machine,
! then we should get CR followed by EOR
if (i==0) then
if (iachar(c)==13) then
s1 = 13
elseif (iachar(c)==32) then
! some compilers translate it into a space, unhelpfully
s1 = 32
else
write(12, *) "UNKNOWN"
stop
endif
else
s1 = -1 ! End of Record, we assume
endif
read(11, "(a1)", iostat=i) c
if (i==0) then
if (iachar(c)==10.and.s1==-1) then
! Sequence was EOR, LF, therefore EOR=CR.
! Next must be EOF
read(11, "(a1)", iostat=i)
if (i==io_eof) result = 1 ! EOR_CR
endif
elseif (i==io_eof) then
if (s1==-1) then
! Sequence was EOR, EOF, therefore EOR=CRLF
result = 2 ! EOR_CRLF
elseif (s1==32) then
! Sequence was SPACE, EOF. Empirically, this seems to happen on PPC Macs, so:
result = 3 ! EOR_LF
endif
elseif (s1==13) then
! We assume this non-zero iostat is EOR
! Sequence was CR, EOR, therefore EOR=LF
! Next must be EOF
read(11, "(a1)", iostat=i)
if (i==io_eof) result = 3 ! EOR_LF
endif
select case(result)
case (1)
write(12,*) "CR"
case (2)
write(12,*) "CRLF"
case (3)
write(12,*) "LF"
case default
write(12,*) "UNKNOWN"
end select
end program
],
[
rm -f conf_empty.txt conf_crlf.txt
if ! test -f conf_result.txt; then
AC_MSG_ERROR([Could not find test output])
elif grep CRLF conf_result.txt >/dev/null; then
ac_cv_FC_check_input_eol=CRLF
elif grep CR conf_result.txt >/dev/null; then
ac_cv_FC_check_input_eol=CR
elif grep LF conf_result.txt >/dev/null; then
ac_cv_FC_check_input_eol=LF
else
ac_cv_FC_check_input_eol=UNKNOWN
fi
dnl rm -f conf_result.txt
if test $ac_cv_FC_check_input_eol = UNKNOWN; then
AC_MSG_ERROR([Could not determine input line-ending convention])
fi
],
[AC_MSG_ERROR([Could not execute compiled program])],
[ac_cv_FC_check_input_eol=CR] dnl take a wild guess at Unix if x-compiling
)
AC_MSG_RESULT([$ac_cv_FC_check_output_eol])
dnl check input_eol
dnl
FCFLAGS="$FCFLAGS_save"
])])dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your option)
dnl any later version.
dnl
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
dnl 02111-1307, USA.
dnl
dnl As a special exception, the Free Software Foundation gives unlimited
dnl permission to copy, distribute and modify the configure scripts that
dnl are the output of Autoconf. You need not follow the terms of the GNU
dnl General Public License when using or distributing such scripts, even
dnl though portions of the text of Autoconf appear in them. The GNU
dnl General Public License (GPL) does govern all other use of the material
dnl that constitutes the Autoconf program.
dnl
dnl Certain portions of the Autoconf source text are designed to be copied
dnl (in certain cases, depending on the input) into the output of
dnl Autoconf. We call these the "data" portions. The rest of the Autoconf
dnl source text consists of comments plus executable code that decides which
dnl of the data portions to output in any given case. We call these
dnl comments and executable code the "non-data" portions. Autoconf never
dnl copies any of the non-data portions into its output.
dnl
dnl This special exception to the GPL applies to versions of Autoconf
dnl released by the Free Software Foundation. When you make and
dnl distribute a modified version of Autoconf, you may extend this special
dnl exception to the GPL to apply to your modified version as well, *unless*
dnl your modified version has the potential to copy into its output some
dnl of the text that was the non-data portion of the version that you started
dnl with. (In other words, unless your change moves or copies text from
dnl the non-data portions to the data portions.) If your modification has
dnl such potential, you must delete any notice of this special exception
dnl to the GPL from your modified version.
dnl
dnl Copyright Toby White <tow21@cam.ac.uk> 2004-2006