108 строки
2.2 KiB
Bash
108 строки
2.2 KiB
Bash
dnl -*- shell-script -*-
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dnl
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dnl $HEADER$
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dnl
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AC_DEFUN([LAM_F77_GET_SIZEOF],[
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# Determine FORTRAN datatype size.
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# First arg is type, 2nd (optional) arg is config var to define.
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AC_MSG_CHECKING([size of FORTRAN $1])
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lam_ac_size_fn=
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if test "x$lam_ac_doubleunder" = xy || test "x$lam_ac_singleunder" = xy; then
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lam_ac_size_fn=size_
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else
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if test "x$lam_ac_nounder" = xy; then
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lam_ac_size_fn=size
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else
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if test "x$lam_ac_caps" = xy; then
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lam_ac_size_fn=SIZE
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else
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AC_MSG_WARN([*** FORTRAN external naming convention undefined])
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AC_MSG_ERROR([*** Cannot continue.])
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fi
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fi
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fi
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#
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# Cannot use standard AC_TRY macros because we need two different .o
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# files here, and link them together
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#
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#
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# Fortran module
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#
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cat > conftestf.f <<EOF
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program fsize
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external SIZE
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$1 x(2)
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call SIZE(x(1),x(2))
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end
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EOF
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#
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# C module
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#
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if test -f conftest.h; then
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lam_conftest_h="#include \"conftest.h\""
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else
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lam_conftest_h=""
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fi
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cat > conftest.c <<EOF
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#include <stdio.h>
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#include <stdlib.h>
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$lam_conftest_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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void $lam_ac_size_fn(char *a, char *b)
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{
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int diff = (int) (b - a);
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FILE *f=fopen("conftestval", "w");
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if (!f) exit(1);
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fprintf(f, "%d\n", diff);
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}
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#ifdef __cplusplus
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}
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#endif
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EOF
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#
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# Try the compilation and run. Can't use AC_TRY_RUN because it's two
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# module files.
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#
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LAM_LOG_COMMAND([$CC $CFLAGS -I. -c conftest.c],
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LAM_LOG_COMMAND([$F77 $FFLAGS conftestf.f conftest.o -o conftest],
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LAM_LOG_COMMAND([./conftest],[HAPPY=1],[HAPPY=0]),
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[HAPPY=0]),
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[HAPPY=0])
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if test "$HAPPY" = "1" -a -f conftestval; then
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lam_ac_fortsize=`cat conftestval`
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AC_MSG_RESULT([$lam_ac_fortsize])
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if test -n "$2"; then
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eval "$2=$lam_ac_fortsize"
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fi
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else
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AC_MSG_RESULT([unknown])
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LAM_LOG_MSG([here is the C program:], 1)
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LAM_LOG_FILE([conftest.c])
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if test -f conftest.h; then
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LAM_LOG_MSG([here is contest.h:], 1)
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LAM_LOG_FILE([conftest.h])
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fi
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LAM_LOG_MSG([here is the fortran program:], 1)
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LAM_LOG_FILE([conftestf.f])
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AC_MSG_WARN([*** Problem running configure test!])
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AC_MSG_WARN([*** See config.log for details.])
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AC_MSG_ERROR([*** Cannot continue.])
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fi
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unset lam_ac_fortsize HAPPY lam_conftest_h
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/bin/rm -f conftest*])dnl
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