summaryrefslogtreecommitdiffstats
path: root/m4/aclocal_fc.m4
diff options
context:
space:
mode:
Diffstat (limited to 'm4/aclocal_fc.m4')
-rw-r--r--m4/aclocal_fc.m4345
1 files changed, 326 insertions, 19 deletions
diff --git a/m4/aclocal_fc.m4 b/m4/aclocal_fc.m4
index cda2fee..b7ce048 100644
--- a/m4/aclocal_fc.m4
+++ b/m4/aclocal_fc.m4
@@ -63,6 +63,20 @@ dnl was required" problem when libtool is also used
dnl [1] MPICH.org
dnl
+dnl See if the fortran compiler supports the intrinsic module "ISO_FORTRAN_ENV"
+
+AC_DEFUN([PAC_PROG_FC_ISO_FORTRAN_ENV],[
+ HAVE_ISO_FORTRAN_ENV="no"
+ AC_MSG_CHECKING([if Fortran compiler supports intrinsic module ISO_FORTRAN_ENV])
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ PROGRAM main
+ USE, INTRINSIC :: ISO_FORTRAN_ENV
+ END PROGRAM
+ ])],[AC_MSG_RESULT([yes])
+ HAVE_ISO_FORTRAN_ENV="yes"],
+ [AC_MSG_RESULT([no])])
+])
+
dnl See if the fortran compiler supports the intrinsic function "SIZEOF"
AC_DEFUN([PAC_PROG_FC_SIZEOF],[
@@ -111,38 +125,56 @@ AC_DEFUN([PAC_PROG_FC_STORAGE_SIZE],[
])
-dnl Check to see if -r8 was specified to determine if we need to
-dnl compile the DOUBLE PRECISION interfaces.
+dnl Check to see C_LONG_DOUBLE is available
+
+AC_DEFUN([PAC_PROG_FC_HAVE_C_LONG_DOUBLE],[
+ HAVE_C_LONG_DOUBLE_FORTRAN="no"
+ AC_MSG_CHECKING([if Fortran compiler supports intrinsic C_LONG_DOUBLE])
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
+ PROGRAM main
+ USE ISO_C_BINDING
+ REAL(KIND=C_LONG_DOUBLE) :: d
+ END PROGRAM
+ ])], [AC_MSG_RESULT([yes])
+ HAVE_C_LONG_DOUBLE_FORTRAN="yes"],
+ [AC_MSG_RESULT([no])])
+])
+
+dnl Check if C_LONG_DOUBLE is different from C_DOUBLE
-AC_DEFUN([PAC_PROG_FC_DEFAULT_REALisDBLE],[
- FORTRAN_DEFAULT_REALisDBLE="no"
- AC_MSG_CHECKING([if Fortran default REAL is DOUBLE PRECISION])
+if test "X$FORTRAN_HAVE_C_LONG_DOUBLE" = "Xyes"; then
+AC_DEFUN([PAC_PROG_FC_C_LONG_DOUBLE_EQ_C_DOUBLE],[
+ C_LONG_DOUBLE_IS_UNIQUE_FORTRAN="no"
+ AC_MSG_CHECKING([if Fortran C_LONG_DOUBLE is different from C_DOUBLE])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
MODULE type_mod
+ USE ISO_C_BINDING
INTERFACE h5t
- MODULE PROCEDURE h5t_real
- MODULE PROCEDURE h5t_dble
+ MODULE PROCEDURE h5t_c_double
+ MODULE PROCEDURE h5t_c_long_double
END INTERFACE
CONTAINS
- SUBROUTINE h5t_real(r)
- REAL :: r
- END SUBROUTINE h5t_real
- SUBROUTINE h5t_dble(d)
- DOUBLE PRECISION :: d
- END SUBROUTINE h5t_dble
+ SUBROUTINE h5t_c_double(r)
+ REAL(KIND=C_DOUBLE) :: r
+ END SUBROUTINE h5t_c_double
+ SUBROUTINE h5t_c_long_double(d)
+ REAL(KIND=C_LONG_DOUBLE) :: d
+ END SUBROUTINE h5t_c_long_double
END MODULE type_mod
PROGRAM main
+ USE ISO_C_BINDING
USE type_mod
- REAL :: r
- DOUBLE PRECISION :: d
+ REAL(KIND=C_DOUBLE) :: r
+ REAL(KIND=C_LONG_DOUBLE) :: d
CALL h5t(r)
CALL h5t(d)
END PROGRAM main
- ])], [AC_MSG_RESULT([no])],
- [AC_MSG_RESULT([yes])
- FORTRAN_DEFAULT_REALisDBLE="yes"])
+ ])], [AC_MSG_RESULT([yes])
+ C_LONG_DOUBLE_IS_UNIQUE_FORTRAN="yes"],
+ [AC_MSG_RESULT([no])])
])
+fi
dnl Checking if the compiler supports the required Fortran 2003 features and
dnl disable Fortran 2003 if it does not.
@@ -152,7 +184,6 @@ AC_DEFUN([PAC_PROG_FC_HAVE_F2003_REQUIREMENTS],[
dnl --------------------------------------------------------------------
dnl Default for FORTRAN 2003 compliant compilers
dnl
- HAVE_FORTRAN_2003="no"
HAVE_F2003_REQUIREMENTS="no"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[
@@ -280,4 +311,280 @@ dnl Try link a simple MPI program.
dnl Change to the C language
AC_LANG_POP(Fortran)
])
+
+dnl ------------------------------------------------------
+dnl Determine the available KINDs for REALs and INTEGERs
+dnl ------------------------------------------------------
+dnl
+dnl This is a runtime test.
+dnl
+AC_DEFUN([PAC_FC_AVAIL_KINDS],[
+AC_LANG_PUSH([Fortran])
+rm -f pac_fconftest.out
+
+AC_RUN_IFELSE([
+ AC_LANG_SOURCE([
+ PROGRAM main
+ IMPLICIT NONE
+ INTEGER :: ik, k, lastkind, max_decimal_prec
+ INTEGER :: num_rkinds, num_ikinds
+ num_ikinds = 0
+ lastkind=SELECTED_INT_KIND(1)
+ OPEN(8, FILE='pac_fconftest.out', form='formatted')
+ ! Find integer KINDs
+ DO ik=2,36
+ k = SELECTED_INT_KIND(ik)
+ IF (k .NE. lastkind) THEN
+ num_ikinds = num_ikinds + 1
+ WRITE(8,'(I0)',ADVANCE='NO') lastkind
+ lastkind = k
+ IF(k.GT.0) WRITE(8,'(A)',ADVANCE='NO') ','
+ ENDIF
+ IF (k .LE. 0) EXIT
+ ENDDO
+ IF (lastkind.NE.-1) THEN
+ num_ikinds = num_ikinds + 1
+ WRITE(8,'(I0)') lastkind
+ ELSE
+ WRITE(8,'()')
+ ENDIF
+ ! Find real KINDs
+ num_rkinds = 0
+ lastkind=SELECTED_REAL_KIND(1)
+ max_decimal_prec = 1
+ DO ik=2,36
+ k = SELECTED_REAL_KIND(ik)
+ IF (k .NE. lastkind) THEN
+ num_rkinds = num_rkinds + 1
+ WRITE(8,'(I0)',ADVANCE='NO') lastkind
+ lastkind = k
+ IF(k.GT.0) WRITE(8,'(A)',ADVANCE='NO') ','
+ max_decimal_prec = ik
+ ENDIF
+ IF (k .LE. 0) EXIT
+ ENDDO
+ IF (lastkind.NE.-1)THEN
+ num_rkinds = num_rkinds + 1
+ WRITE(8,'(I0)') lastkind
+ ELSE
+ WRITE(8,'()')
+ ENDIF
+ WRITE(8,'(I0)') max_decimal_prec
+ WRITE(8,'(I0)') num_ikinds
+ WRITE(8,'(I0)') num_rkinds
+ END
+ ])
+],[
+ if test -s pac_fconftest.out ; then
+ dnl The output from the above program will be:
+ dnl -- LINE 1 -- valid integer kinds (comma seperated list)
+ dnl -- LINE 2 -- valid real kinds (comma seperated list)
+ dnl -- LINE 3 -- max decimal precision for reals
+ dnl -- LINE 4 -- number of valid integer kinds
+ dnl -- LINE 5 -- number of valid real kinds
+
+ pac_validIntKinds="`perl -ne '$. == 1 && print && exit' pac_fconftest.out`"
+ pac_validRealKinds="`perl -ne '$. == 2 && print && exit' pac_fconftest.out`"
+ PAC_FC_MAX_REAL_PRECISION="`perl -ne '$. == 3 && print && exit' pac_fconftest.out`"
+ AC_DEFINE_UNQUOTED([PAC_FC_MAX_REAL_PRECISION], $PAC_FC_MAX_REAL_PRECISION, [Define Fortran Maximum Real Decimal Precision])
+
+ PAC_FC_ALL_INTEGER_KINDS="{`echo $pac_validIntKinds`}"
+ PAC_FC_ALL_REAL_KINDS="{`echo $pac_validRealKinds`}"
+
+ H5CONFIG_F_NUM_IKIND="INTEGER, PARAMETER :: num_ikinds = `perl -ne '$. == 4 && print && exit' pac_fconftest.out`"
+ H5CONFIG_F_IKIND="INTEGER, DIMENSION(1:num_ikinds) :: ikind = (/`echo $pac_validIntKinds`/)"
+ H5CONFIG_F_NUM_RKIND="INTEGER, PARAMETER :: num_rkinds = `perl -ne '$. == 5 && print && exit' pac_fconftest.out`"
+ H5CONFIG_F_RKIND="INTEGER, DIMENSION(1:num_rkinds) :: rkind = (/`echo $pac_validRealKinds`/)"
+
+ AC_DEFINE_UNQUOTED([H5CONFIG_F_NUM_RKIND], $H5CONFIG_F_NUM_RKIND, [Define number of valid Fortran REAL KINDs])
+ AC_DEFINE_UNQUOTED([H5CONFIG_F_NUM_IKIND], $H5CONFIG_F_NUM_IKIND, [Define number of valid Fortran INTEGER KINDs])
+ AC_DEFINE_UNQUOTED([H5CONFIG_F_RKIND], $H5CONFIG_F_RKIND, [Define valid Fortran REAL KINDs])
+ AC_DEFINE_UNQUOTED([H5CONFIG_F_IKIND], $H5CONFIG_F_IKIND, [Define valid Fortran INTEGER KINDs])
+
+ AC_MSG_CHECKING([for Fortran INTEGER KINDs])
+ AC_MSG_RESULT([$PAC_FC_ALL_INTEGER_KINDS])
+ AC_MSG_CHECKING([for Fortran REAL KINDs])
+ AC_MSG_RESULT([$PAC_FC_ALL_REAL_KINDS])
+ AC_MSG_CHECKING([for Fortran REALs maximum decimal precision])
+ AC_MSG_RESULT([$PAC_FC_MAX_REAL_PRECISION])
+ else
+ AC_MSG_RESULT([Error])
+ AC_MSG_WARN([No output from test program!])
+ fi
+ rm -f pac_fconftest.out
+],[
+ AC_MSG_RESULT([Error])
+ AC_MSG_WARN([Failed to run program to determine available KINDs])
+],[])
+
+AC_LANG_POP([Fortran])
+])
+AC_DEFUN([PAC_FC_SIZEOF_INT_KINDS],[
+AC_REQUIRE([PAC_FC_AVAIL_KINDS])
+AC_MSG_CHECKING([sizeof of available INTEGER KINDs])
+AC_LANG_PUSH([Fortran])
+pack_int_sizeof=""
+rm -f pac_fconftest.out
+
+for kind in `echo $pac_validIntKinds | perl -pe 's/,/ /g'`; do
+ AC_LANG_CONFTEST([
+ AC_LANG_SOURCE([
+ PROGRAM main
+ USE ISO_C_BINDING
+ IMPLICIT NONE
+ INTEGER (KIND=$kind) a
+ OPEN(8, FILE='pac_fconftest.out', FORM='formatted')
+ WRITE(8,'(I0)') $FC_SIZEOF_A
+ CLOSE(8)
+ END
+ ])
+ ])
+ AC_RUN_IFELSE([],[
+ if test -s pac_fconftest.out ; then
+ sizes="`cat pac_fconftest.out`"
+ pack_int_sizeof="$pack_int_sizeof $sizes,"
+ else
+ AC_MSG_WARN([No output from test program!])
+ fi
+ rm -f pac_fconftest.out
+ ],[
+ AC_MSG_WARN([Fortran program fails to build or run!])
+ ],[
+ pack_int_sizeof="$2"
+ ])
+done
+PAC_FC_ALL_INTEGER_KINDS_SIZEOF="{`echo $pack_int_sizeof | perl -pe 's/,$//' | perl -pe 's/ //g'`}"
+AC_MSG_RESULT([$PAC_FC_ALL_INTEGER_KINDS_SIZEOF])
+AC_LANG_POP([Fortran])
+])
+
+AC_DEFUN([PAC_FC_SIZEOF_REAL_KINDS],[
+AC_REQUIRE([PAC_FC_AVAIL_KINDS])
+AC_MSG_CHECKING([sizeof of available REAL KINDs])
+AC_LANG_PUSH([Fortran])
+pack_real_sizeof=""
+rm -f pac_fconftest.out
+for kind in `echo $pac_validRealKinds| perl -pe 's/,/ /g'`; do
+ AC_LANG_CONFTEST([
+ AC_LANG_SOURCE([
+ PROGRAM main
+ USE ISO_C_BINDING
+ IMPLICIT NONE
+ REAL (KIND=$kind) :: a
+ OPEN(8, FILE='pac_fconftest.out', FORM='formatted')
+ WRITE(8,'(I0)') $FC_SIZEOF_A
+ CLOSE(8)
+ END
+ ])
+ ])
+ AC_RUN_IFELSE([],[
+ if test -s pac_fconftest.out ; then
+ sizes="`cat pac_fconftest.out`"
+ pack_real_sizeof="$pack_real_sizeof $sizes,"
+ else
+ AC_MSG_WARN([No output from test program!])
+ fi
+ rm -f pac_fconftest.out
+ ],[
+ AC_MSG_WARN([Fortran program fails to build or run!])
+ ],[
+ pack_real_sizeof="$2"
+ ])
+done
+PAC_FC_ALL_REAL_KINDS_SIZEOF="{`echo $pack_real_sizeof | perl -pe 's/,$//' | perl -pe 's/ //g'`}"
+AC_MSG_RESULT([$PAC_FC_ALL_REAL_KINDS_SIZEOF])
+AC_LANG_POP([Fortran])
+])
+
+AC_DEFUN([PAC_FC_NATIVE_INTEGER],[
+AC_REQUIRE([PAC_FC_AVAIL_KINDS])
+AC_MSG_CHECKING([sizeof of native KINDS])
+AC_LANG_PUSH([Fortran])
+pack_int_sizeof=""
+rm -f pac_fconftest.out
+ AC_LANG_CONFTEST([
+ AC_LANG_SOURCE([
+ PROGRAM main
+ USE ISO_C_BINDING
+ IMPLICIT NONE
+ INTEGER a
+ REAL b
+ DOUBLE PRECISION c
+ OPEN(8, FILE='pac_fconftest.out', FORM='formatted')
+ WRITE(8,*) $FC_SIZEOF_A
+ WRITE(8,*) kind(a)
+ WRITE(8,*) $FC_SIZEOF_B
+ WRITE(8,*) kind(b)
+ WRITE(8,*) $FC_SIZEOF_C
+ WRITE(8,*) kind(c)
+ CLOSE(8)
+ END
+ ])
+ ])
+ AC_RUN_IFELSE([],[
+ if test -s pac_fconftest.out ; then
+ PAC_FORTRAN_NATIVE_INTEGER_KIND="`perl -ne '$. == 1 && print && exit' pac_fconftest.out`"
+ PAC_FORTRAN_NATIVE_INTEGER_SIZEOF="`perl -ne '$. == 2 && print && exit' pac_fconftest.out`"
+ PAC_FORTRAN_NATIVE_REAL_KIND="`perl -ne '$. == 3 && print && exit' pac_fconftest.out`"
+ PAC_FORTRAN_NATIVE_REAL_SIZEOF="`perl -ne '$. == 4 && print && exit' pac_fconftest.out`"
+ PAC_FORTRAN_NATIVE_DOUBLE_KIND="`perl -ne '$. == 5 && print && exit' pac_fconftest.out`"
+ PAC_FORTRAN_NATIVE_DOUBLE_SIZEOF="`perl -ne '$. == 6 && print && exit' pac_fconftest.out`"
+ else
+ AC_MSG_WARN([No output from test program!])
+ fi
+ rm -f pac_fconftest.out
+ ],[
+ AC_MSG_WARN([Fortran program fails to build or run!])
+ ],[
+ pack_int_sizeof="$2"
+ ])
+AC_MSG_RESULT([$pack_int_sizeof])
+AC_LANG_POP([Fortran])
+])
+
+AC_DEFUN([PAC_FC_LDBL_DIG],[
+AC_MSG_CHECKING([maximum decimal precision for C])
+rm -f pac_Cconftest.out
+ AC_LANG_CONFTEST([
+ AC_LANG_PROGRAM([
+ #include <float.h>
+ #include <stdio.h>
+ #define CHECK_FLOAT128 $ac_cv_sizeof___float128
+ #if CHECK_FLOAT128!=0
+ # if $HAVE_QUADMATH!=0
+ #include <quadmath.h>
+ # endif
+ # ifdef FLT128_DIG
+ #define C_FLT128_DIG FLT128_DIG
+ # else
+ #define C_FLT128_DIG 0
+ # endif
+ #else
+ #define C_FLT128_DIG 0
+ #endif
+ #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+ #define C_LDBL_DIG DECIMAL_DIG
+ #else
+ #define C_LDBL_DIG LDBL_DIG
+ #endif
+ ],[[
+ FILE * pFile;
+ pFile = fopen("pac_Cconftest.out","w");
+ fprintf(pFile, "%d\n%d\n", C_LDBL_DIG, C_FLT128_DIG);
+ ]])
+ ])
+ AC_RUN_IFELSE([],[
+ if test -s pac_Cconftest.out ; then
+ LDBL_DIG="`perl -ne '$. == 1 && print && exit' pac_Cconftest.out`"
+ FLT128_DIG="`perl -ne '$. == 2 && print && exit' pac_Cconftest.out`"
+ else
+ AC_MSG_WARN([No output from test program!])
+ fi
+ rm -f pac_Cconftest.out
+ ],[
+ AC_MSG_ERROR([C program fails to build or run!])
+ ],[])
+])
+
+