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dnl Macros which process ./configure arguments
dnl Fortran Macros
dnl ------------------------------------------------------
dnl Copyright INRIA
dnl Sylvestre Ledru - June 2006
dnl
dnl ------------------------------------------------------
dnl AC_CHECK_UNDERSCORE_FORTRAN
dnl Look for trailing or leading underscores
dnl
AC_DEFUN([AC_CHECK_UNDERSCORE_FORTRAN],[
AC_CHECK_PROGS(NM,nm,no)
if test "x$NM" = "xno"; then
AC_MSG_ERROR([Unable to find nm in the path. nm is used to list all the symbol from a lib])
fi
AC_MSG_CHECKING([for leading underscores with Fortran (name-mangling scheme)])
cat << EOF > pipof.f
subroutine pipof
end
EOF
dnl expand possible $SCIDIR in $FC (wizard command...)
eval "$F77 -c pipof.f > /dev/null 2>&1"
FC_LEADING_UNDERSCORE=no
FC_TRAILING_UNDERSCORE=no
output=`$NM $NMOPT pipof.o|grep _pipof 2>&1`
if test ! -z "$output"; then
FC_LEADING_UNDERSCORE=yes
FC_TRAILING_UNDERSCORE=no
fi
output=`$NM $NMOPT pipof.o|grep pipof_ 2>&1`
if test ! -z "$output"; then
FC_LEADING_UNDERSCORE=no
FC_TRAILING_UNDERSCORE=yes
fi
output=`$NM $NMOPT pipof.o|grep _pipof_ 2>&1`
if test ! -z "$output"; then
FC_LEADING_UNDERSCORE=yes
FC_TRAILING_UNDERSCORE=yes
fi
if test "$FC_LEADING_UNDERSCORE" = yes; then
AC_DEFINE([WLU],,[If leading underscores])
fi
if test "$FC_TRAILING_UNDERSCORE" = yes; then
AC_DEFINE([WTU],,[If trailing underscores])
fi
rm -f pipof.f pipof.o
AC_MSG_RESULT([$FC_LEADING_UNDERSCORE])
AC_MSG_CHECKING([for trailing underscores with Fortran (name-mangling scheme)])
AC_MSG_RESULT([$FC_TRAILING_UNDERSCORE])
#####################
## test for sharpsign
#####################
AC_MSG_CHECKING([use of the sharpsign in CPP])
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM(
[[#define C2F(name) name##_]],
[[C2F(toto)()]]
)
],
[AC_MSG_RESULT(yes)
AC_DEFINE([CNAME(name1,name2)], [name1##name2],[Cname])
USE_SHARP_SIGN=yes]
,
[AC_MSG_RESULT(no)
AC_DEFINE([CNAME(name1,name2)], [name1/**/name2],[Cname])
USE_SHARP_SIGN=no]
)
## Define C2F and F2C entry point conversion ##
if test "$FC_TRAILING_UNDERSCORE" = yes; then
if test "$USE_SHARP_SIGN" = yes; then
AC_MSG_RESULT([Define C2F with Trailing Underscore and Sharp Sign])
AC_DEFINE([C2F(name)], [name##_],[Define C2F with Trailing Underscore and Sharp Sign])
AC_DEFINE([F2C(name)], [name##_],[Define F2C with Trailing Underscore and Sharp Sign])
else
AC_MSG_RESULT([Define C2F with Trailing Underscore and without Sharp Sign])
AC_DEFINE([C2F(name)], [name/**/_],[Define C2F with Trailing Underscore and without Sharp Sign])
AC_DEFINE([F2C(name)], [name/**/_],[Define F2C with Trailing Underscore and without Sharp Sign])
fi
else
AC_MSG_RESULT([Define C2F without Trailing Underscore])
AC_DEFINE([C2F(name)], [name],[Define C2F without Trailing Underscore])
AC_DEFINE([F2C(name)], [name],[Define C2F without Trailing Underscore])
fi
])dnl AC_CHECK_UNDERSCORE_FORTRAN
|
