autoconf/tests/fortran.at
Zack Weinberg d330dd6273 AC_REPLACE_FUNCS: invoke _AH_CHECK_FUNC and AC_LIBSOURCE unconditionally.
While investigating something else, I noticed that AC_REPLACE_FUNCS
calls _AH_CHECK_FUNC and AC_LIBSOURCE in the success branch of an
AC_CHECK_FUNC.  This doesn’t work; both of those are marker macros
that need to be expanded unconditionally at m4 time so that traces
(placed by autoheader and automake, respectively) will fire.  In order
to fix this while keeping the code readable, I would up doing a major
refactor.  There are now four internal macros implementing AC_REPLACE_FUNCS.

_AC_REPLACE_FUNC_U is called unconditionally for every shell word in
the list passed to AC_REPLACE_FUNCS, and does _AH_CHECK_FUNC +
AC_LIBSOURCE if it can, or issues a warning if it can’t.  (It could
make sense to make this a public function, if we think shell variables
in the AC_REPLACE_FUNCS list need to be supported long-term.  I dunno
if there’s a use case that can’t be handled by AC_REPLACE_FUNCS inside
a shell conditional just as well.)

_AC_REPLACE_FUNC_L and _AC_REPLACE_FUNC_NL implement the actual test
performed for each function to be replaced; the difference is that _L
(for literal) can only be used on a function whose name is known at m4
expansion time, _NL (nonliteral) works regardless.  _AC_REPLACE_FUNCS,
which already existed, handles looping either at m4 time or shell time
as appropriate.  AC_REPLACE_FUNCS remains a thin wrapper that runs
_AC_REPLACE_FUNCS(m4_flatten([$1])).

The _bulk_ of the patch is changes to the testsuite so that it notices
the original bug.  Specifically, AT_CHECK_AUTOHEADER now takes an
argument which is a whitespace-separated list of preprocessor macro
names that ought to appear in the generated config.h.in.  This can be
set to ‘ignore’ to skip the test, and unfortunately that’s what the
“trivial” per-macro tests have to do (AT_CHECK_MACRO and friends), so
coverage is not ideal, but it’s better than what we had.  Also,
AT_CHECK_M4 now normalizes the backtrace lines that appear in the
output of an AC_DIAGNOSE, e.g.

    configure.ac:6: warning: The macro `AC_LANG_SAVE' is obsolete.
    configure.ac:6: You should run autoupdate.
    ../../lib/autoconf/lang.m4:125: AC_LANG_SAVE is expanded from...
    configure.ac:6: the top level

becomes

    configure.ac:6: warning: The macro `AC_LANG_SAVE' is obsolete.
    configure.ac:6: You should run autoupdate.
    lang.m4: AC_LANG_SAVE is expanded from...
    configure.ac:6: the top level

This allows us to write tests for these diagnostics that don’t depend
on the relationship between the source and build directories, and
won’t break when unrelated patches change the line number of a macro
definition.

	* lib/autoconf/functions.m4 (AC_REPLACE_FUNCS, _AC_REPLACE_FUNCS)
        (_AC_REPLACE_FUNC): Refactor into AC_REPLACE_FUNCS,
        _AC_REPLACE_FUNCS, _AC_REPLACE_FUNC_U, _AC_REPLACE_FUNC_L,
        _AC_REPLACE_FUNC_NL.  Ensure that _AH_CHECK_FUNC and
        AC_LIBSOURCE are invoked unconditionally at m4 expansion
        time for each literal function name in the argument to
        AC_CHECK_FUNCS.  Issue warnings about non-literal names.

        * tests/local.at (AT_CHECK_M4): Normalize backtrace lines from
        the output of AC_DIAGNOSE / m4_warn.
        (AT_CHECK_AUTOHEADER): Add arg EXPECTED-TMPLS
        giving a list of preprocessor macro names that should appear
        in the generated config.h.in.  Use AT_CHECK_M4 to invoke autoheader.
        (_AT_CHECK_AC_MACRO, AT_CHECK_MACRO, AT_CHECK_AU_MACRO):
        Update uses of AT_CHECK_AUTOHEADER.
        * tests/fortran.at, tests/semantics.at, tests/tools.at
        * tests/torture.at: Update all uses of AT_CHECK_AUTOHEADER.

        * tests/semantics.at (AC_REPLACE_FUNCS test): Make somewhat
        more thorough, using new functionality of AT_CHECK_M4 and
        AT_CHECK_AUTOHEADER.

Signed-off-by: Zack Weinberg <zackw@panix.com>
2020-06-29 23:17:15 -07:00

1193 lines
24 KiB
Plaintext

# -*- Autotest -*-
AT_BANNER([Fortran low level compiling/preprocessing macros.])
# Copyright (C) 2000-2001, 2003, 2008-2017, 2020 Free Software
# Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Since the macros which compile are required by most tests, check
# them first. But remember that looking for a compiler is even more
# primitive, so check those first.
## --------------------- ##
## Fortran 77 Compiler. ##
## --------------------- ##
AT_CHECK_MACRO([GNU Fortran 77],
[[AC_LANG(Fortran 77)
AC_LANG_COMPILER
: > conftest.f
if AC_TRY_COMMAND([$F77 --version | grep GNU >&2]) \
|| AC_TRY_COMMAND([$F77 -v -c conftest.f 2>&1 | grep "f2c " >&2]); then
# Be sure to remove files which might be created by compilers that
# don't support --version, or by the second compile.
rm -f a.exe a.out conftest.f conftest.$ac_objext
# Has GNU in --version.
test "$G77" != yes &&
AC_MSG_ERROR([failed to recognize GNU Fortran 77 compiler])
else
# Be sure to remove files which might be created by compilers that
# don't support --version, or by the second compile.
rm -f a.exe a.out conftest.f conftest.$ac_objext
# Has not.
test "$G77" = yes &&
AC_MSG_ERROR([incorrectly recognized a GNU Fortran 77 compiler])
fi
]])
## ------------------ ##
## Fortran Compiler. ##
## ------------------ ##
AT_CHECK_MACRO([GNU Fortran],
[[AC_LANG(Fortran)
AC_LANG_COMPILER
# No Fortran compiler is known not to support "*.f".
AC_FC_SRCEXT([f])
# GNU Fortran is known to support freeform.
AC_FC_FREEFORM([],
[AC_MSG_WARN([Fortran does not accept free-form source])])
if test "$ac_compiler_gnu" = yes; then
case $FCFLAGS in
*-ffree-form*) ;;
*) AC_MSG_ERROR([failed to recognize GNU Fortran's -ffree-form option]);;
esac
fi
]])
## ------------------------- ##
## AC_OPENMP and Fortran 77. ##
## ------------------------- ##
AT_SETUP([AC_OPENMP and Fortran 77])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_F77
AC_LANG([Fortran 77])
AC_OPENMP
if test "X$ac_cv_prog_f77_openmp" = Xunsupported; then
AS_EXIT([77])
fi
FFLAGS="$FFLAGS $OPENMP_FFLAGS"
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[foo@EXEEXT@: foo.@OBJEXT@
@F77@ @FFLAGS@ @LDFLAGS@ -o $@ foo.@OBJEXT@
foo.@OBJEXT@: foo.f
@F77@ @FFLAGS@ -c foo.f
]])
AT_DATA([foo.f],
[[ program main
end
]])
: "${MAKE=make}"
AT_CHECK([env ACLOCAL=true autoreconf -vi], [], [ignore], [ignore])
AT_CHECK_CONFIGURE
AT_CHECK([$MAKE], [], [ignore], [ignore])
AT_CLEANUP
## ---------------------- ##
## AC_OPENMP and Fortran. ##
## ---------------------- ##
AT_SETUP([AC_OPENMP and Fortran])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
AC_LANG([Fortran])
AC_OPENMP
if test "X$ac_cv_prog_fc_openmp" = Xunsupported; then
AS_EXIT([77])
fi
FCFLAGS="$FCFLAGS $OPENMP_FCFLAGS"
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[foo@EXEEXT@: foo.@OBJEXT@
@FC@ @FCFLAGS@ @LDFLAGS@ -o $@ foo.@OBJEXT@
foo.@OBJEXT@: foo.f
@FC@ @FCFLAGS@ -c foo.f
]])
AT_DATA([foo.f],
[[ program main
end
]])
: "${MAKE=make}"
AT_CHECK([env ACLOCAL=true autoreconf -vi], [], [ignore], [ignore])
AT_CHECK_CONFIGURE
AT_CHECK([$MAKE], [], [ignore], [ignore])
AT_CLEANUP
# We don't test the AC_F77_LIBRARY_LDFLAGS macro on its own because of
# (autoconf.info)Fortran Compiler:
# The macros `AC_F77_DUMMY_MAIN' and `AC_FC_DUMMY_MAIN' or
# `AC_F77_MAIN' and `AC_FC_MAIN' are probably also necessary to link
# C/C++ with Fortran; see below.
#
# and we would need libtool to create shared libraries.
# Further, for any sensible test of the AC_F{77,C}(_DUMMY)?_MAIN macros
# we also need to use AC_F{77,C}_WRAPPERS, in order to be able to actually
# call the functions.
## ------------------------ ##
## AC_F77_DUMMY_MAIN usage. ##
## ------------------------ ##
AT_SETUP([AC_F77_DUMMY_MAIN usage])
AT_CONFIGURE_AC([[
AC_PROG_F77
AC_F77_DUMMY_MAIN([], [AC_MSG_FAILURE([failed to determine F77 dummy main], [77])])
AC_F77_WRAPPERS
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[
all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@F77@ @FFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[C This is just a purely numeric routine, no I/O needed.
C Taken from autoconf.texi:Fortran Compiler.
subroutine foobar (x, y)
double precision x, y
y = 3.14159 * x
return
end
]])
AT_DATA([cprogram.c],
[[#include <config.h>
#include <math.h>
/* Taken from autoconf.texi:Fortran Compiler. */
#define FOOBAR_F77 F77_FUNC (foobar, FOOBAR)
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void FOOBAR_F77 (double *x, double *y);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN () { return 1; }
#endif
int main(int argc, char *argv[])
{
double x = 2.7183, y;
FOOBAR_F77 (&x, &y);
if (fabs (8.539784097 - y) > 1.e-6)
return 1;
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
F77_DUMMY_MAIN
F77_FUNC
F77_FUNC_
FC_DUMMY_MAIN_EQ_F77
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram])
AT_CLEANUP
## ----------------------- ##
## AC_FC_DUMMY_MAIN usage. ##
## ----------------------- ##
AT_SETUP([AC_FC_DUMMY_MAIN usage])
AT_CONFIGURE_AC([[
AC_PROG_FC
AC_FC_FIXEDFORM
AC_FC_DUMMY_MAIN([], [AC_MSG_FAILURE([failed to determine FC dummy main], [77])])
AC_FC_WRAPPERS
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[
all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FCLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[C This is just a purely numeric routine, no I/O needed.
C Taken from autoconf.texi:Fortran Compiler.
subroutine foobar (x, y)
double precision x, y
y = 3.14159 * x
return
end
]])
AT_DATA([cprogram.c],
[[#include <config.h>
#include <math.h>
/* Taken from autoconf.texi:Fortran Compiler. */
#define FOOBAR_FC FC_FUNC (foobar, FOOBAR)
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void FOOBAR_FC(double *x, double *y);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef FC_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int FC_DUMMY_MAIN () { return 1; }
#endif
int main (int argc, char *argv[])
{
double x = 2.7183, y;
FOOBAR_FC (&x, &y);
if (fabs (8.539784097 - y) > 1.e-6)
return 1;
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
FC_DUMMY_MAIN
FC_DUMMY_MAIN_EQ_F77
FC_FUNC
FC_FUNC_
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram])
AT_CLEANUP
## ------------------ ##
## AC_F77_MAIN usage. ##
## ------------------ ##
AT_SETUP([AC_F77_MAIN usage])
AT_CONFIGURE_AC([[
AC_PROG_F77
AC_F77_MAIN
AC_F77_WRAPPERS
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[
all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@F77@ @FFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[C This uses Fortran I/O, so is likely to require Fortran startup.
subroutine foobar (x)
integer x
if (x == 42) then
write(*,*) 'some output from Fortran sources'
end if
end
]])
AT_DATA([cprogram.c],
[[#include <config.h>
#include <stdio.h>
/* Taken from autoconf.texi:Fortran Compiler. */
#define FOOBAR_F77 F77_FUNC (foobar, FOOBAR)
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void FOOBAR_F77 (int *x);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef __cplusplus
extern "C"
#endif
int F77_MAIN (int argc, char *argv[]);
int F77_MAIN (int argc, char *argv[])
{
int x = 42;
puts ("output from C main");
fflush (stdout);
FOOBAR_F77 (&x);
puts ("more output from C main");
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
F77_DUMMY_MAIN
F77_FUNC
F77_FUNC_
F77_MAIN
FC_DUMMY_MAIN_EQ_F77
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram], [], [output from C main
dnl some output from Fortran sources
dnl more output from C main
dnl ])
AT_CLEANUP
## ----------------- ##
## AC_FC_MAIN usage. ##
## ----------------- ##
AT_SETUP([AC_FC_MAIN usage])
AT_CONFIGURE_AC([[
AC_PROG_FC
AC_FC_FIXEDFORM
AC_FC_MAIN
AC_FC_WRAPPERS
AC_PROG_CC
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FCLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[C This uses Fortran I/O, so is likely to require Fortran startup.
subroutine foobar (x)
integer x
if (x == 42) then
write (*,*) 'some output from Fortran sources'
end if
end
]])
AT_DATA([cprogram.c],
[[#include <config.h>
#include <stdio.h>
/* Taken from autoconf.texi:Fortran Compiler. */
#define FOOBAR_FC FC_FUNC (foobar, FOOBAR)
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void FOOBAR_FC (int *x);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef __cplusplus
extern "C"
#endif
int FC_MAIN (int argc, char *argv[]);
int FC_MAIN (int argc, char *argv[])
{
int x = 42;
puts ("output from C main");
fflush (stdout);
FOOBAR_FC (&x);
puts ("more output from C main");
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
FC_DUMMY_MAIN
FC_DUMMY_MAIN_EQ_F77
FC_FUNC
FC_FUNC_
FC_MAIN
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram], [], [output from C main
dnl some output from Fortran sources
dnl more output from C main
dnl ])
AT_CLEANUP
## ------------------ ##
## AC_F77_FUNC usage. ##
## ------------------ ##
AT_SETUP([AC_F77_FUNC usage])
AT_CONFIGURE_AC([[
AC_PROG_F77
AC_F77_FUNC([foobar])
AC_SUBST([foobar])
AC_PROG_CC
AC_CONFIG_FILES([cprogram.c:cprogram.in])
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[
all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@F77@ @FFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[ subroutine foobar (x)
integer x
x = 42
return
end
]])
AT_DATA([cprogram.in],
[[#include <config.h>
#include <math.h>
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void @foobar@ (int *x);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int F77_DUMMY_MAIN () { return 1; }
#endif
int main(int argc, char *argv[])
{
int x;
@foobar@ (&x);
if (x != 42)
return 1;
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
F77_DUMMY_MAIN
FC_DUMMY_MAIN_EQ_F77
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram])
AT_CLEANUP
## ----------------- ##
## AC_FC_FUNC usage. ##
## ----------------- ##
AT_SETUP([AC_FC_FUNC usage])
AT_CONFIGURE_AC([[
AC_PROG_FC
AC_FC_FUNC([foobar])
AC_SUBST([foobar])
AC_PROG_CC
AC_CONFIG_FILES([cprogram.c:cprogram.in])
AC_CONFIG_FILES([Makefile])
]])
AT_DATA([Makefile.in],
[[
all: cprogram@EXEEXT@
cprogram@EXEEXT@: cprogram.@OBJEXT@ foobar.@OBJEXT@
@CC@ @CFLAGS@ @LDFLAGS@ -o $@ cprogram.@OBJEXT@ foobar.@OBJEXT@ @LIBS@ @FCLIBS@
.SUFFIXES: .c .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c $<
.c.@OBJEXT@:
@CC@ @DEFS@ -I. @CPPFLAGS@ @CFLAGS@ -c $<
]])
AT_DATA([foobar.f],
[[ subroutine foobar (x)
integer x
x = 42
return
end
]])
AT_DATA([cprogram.in],
[[#include <config.h>
#include <math.h>
#ifdef __cplusplus
extern "C" /* prevent C++ name mangling */
#endif
void @foobar@ (int *x);
/* Taken from autoconf.texi:Fortran Compiler. */
#ifdef FC_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
# endif
int FC_DUMMY_MAIN () { return 1; }
#endif
int main(int argc, char *argv[])
{
int x;
@foobar@ (&x);
if (x != 42)
return 1;
return 0;
}
]])
AT_CHECK_AUTOCONF
AT_CHECK_AUTOHEADER([], [
FC_DUMMY_MAIN
FC_DUMMY_MAIN_EQ_F77
])
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./cprogram])
AT_CLEANUP
## ------------------- ##
## AC_FC_SRCEXT usage. ##
## ------------------- ##
AT_SETUP([AC_FC_SRCEXT usage])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
FCFLAGS_NOFREE=$FCFLAGS
AC_SUBST([FCFLAGS_NOFREE])
AC_FC_FREEFORM
# Unconditionally require .f to work.
AC_FC_SRCEXT([f])
# For each other extension, fail gracefully if it does not work:
# Not all compilers support all extensions/language versions.
m4@&t@_foreach([ext], [f77, f90, f95, f03, f08],
[AC_FC_SRCEXT(ext, ext[_object='foo]ext[.$(OBJEXT)'], ext[_object=])
AC_SUBST(ext[_object])])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[OBJEXT = @OBJEXT@
all: prog@EXEEXT@
prog@EXEEXT@: foof.@OBJEXT@ @f77_object@ @f90_object@ \
@f95_object@ @f03_object@ @f08_object@
@FC@ @FCFLAGS@ -o $@ foof.@OBJEXT@ @f77_object@ @f90_object@ \
@f95_object@ @f03_object@ @f08_object@
.SUFFIXES: .f .f77 .f90 .f95 .f03 .f08 .@OBJEXT@
.f.@OBJEXT@:
@FC@ -c @FCFLAGS_NOFREE@ @FCFLAGS_f@ $<
.f77.@OBJEXT@:
@FC@ -c @FCFLAGS_NOFREE@ @FCFLAGS_f77@ $<
.f90.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f90@ $<
.f95.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f95@ $<
.f03.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f03@ $<
.f08.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f08@ $<
]])
AT_DATA([foof.f],
[[ program main
end
]])
AT_DATA([foof77.f77],
[[ subroutine foof77
end
]])
AT_DATA([foof90.f90],
[[subroutine foof90
end
]])
AT_DATA([foof95.f95],
[[subroutine foof95
end
]])
AT_DATA([foof03.f03],
[[subroutine foof03
end
]])
AT_DATA([foof08.f08],
[[subroutine foof08
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
AT_CLEANUP
## ---------------------- ##
## AC_FC_PP_SRCEXT usage. ##
## ---------------------- ##
AT_SETUP([AC_FC_PP_SRCEXT usage])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
# Unconditionally require .f and .F to work.
AC_FC_PP_SRCEXT([f])
AC_FC_PP_SRCEXT([F])
# For each other extension, fail gracefully if it does not work:
# Not all compilers support all extensions/language versions.
m4@&t@_foreach([ext], [f77, f90, f95, f03, f08],
[AC_FC_PP_SRCEXT(ext, ext[_object='foo]ext[.$(OBJEXT)'], ext[_object=])
AC_SUBST(ext[_object])])
m4@&t@_foreach([ext], [F77, F90, F95, F03, F08],
[AC_FC_PP_SRCEXT(ext, ext[_object='bar]ext[.$(OBJEXT)'], ext[_object=])
AC_SUBST(ext[_object])])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[OBJEXT = @OBJEXT@
all: prog@EXEEXT@
prog@EXEEXT@: foof.@OBJEXT@ @f77_object@ @f90_object@ \
@f95_object@ @f03_object@ @f08_object@ \
barF.@OBJEXT@ @F77_object@ @F90_object@ \
@F95_object@ @F03_object@ @F08_object@
@FC@ @FCFLAGS@ -o $@ foof.@OBJEXT@ @f77_object@ @f90_object@ \
@f95_object@ @f03_object@ @f08_object@ \
barF.@OBJEXT@ @F77_object@ @F90_object@ \
@F95_object@ @F03_object@ @F08_object@
.SUFFIXES: .f .f77 .f90 .f95 .f03 .f08 .F .F77 .F90 .F95 .F03 .F08 .@OBJEXT@
.f.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f@ $<
.f77.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f77@ $<
.f90.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f90@ $<
.f95.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f95@ $<
.f03.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f03@ $<
.f08.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_f08@ $<
.F.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F@ $<
.F77.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F77@ $<
.F90.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F90@ $<
.F95.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F95@ $<
.F03.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F03@ $<
.F08.@OBJEXT@:
@FC@ -c @FCFLAGS@ @FCFLAGS_F08@ $<
]])
for ext in f77 f90 f95 f03 f08; do
cat > foo$ext.$ext <<EOF
subroutine foo$ext
#if 0
this is not correct fortran
#endif
end
EOF
done
for ext in F F77 F90 F95 F03 F08; do
cat > bar$ext.$ext <<EOF
subroutine bar$ext
#if 0
this is not correct fortran
#endif
end
EOF
done
AT_DATA([foof.f],
[[ program main
#if 0
this is not correct fortran
#endif
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
AT_CLEANUP
## --------------- ##
## AC_FC_FREEFORM. ##
## --------------- ##
AT_SETUP([AC_FC_FREEFORM])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
AC_FC_FREEFORM
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[prog: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c $<
]])
AT_DATA([prog.f],
[[program main
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./prog])
AT_CLEANUP
## --------------------------------- ##
## AC_FC_FREEFORM with AC_FC_SRCEXT. ##
## --------------------------------- ##
AT_SETUP([AC_FC_FREEFORM with AC_FC_SRCEXT])
AT_DATA([configure.ac],
[[AC_INIT
AC_FC_SRCEXT([f90], [], [AS_EXIT([77])])
AC_PROG_FC
AC_FC_FREEFORM
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[prog: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f90 .@OBJEXT@
.f90.@OBJEXT@:
@FC@ @FCFLAGS@ -c @FCFLAGS_f90@ $<
]])
AT_DATA([prog.f90],
[[program main
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./prog])
AT_CLEANUP
## ---------------- ##
## AC_FC_FIXEDFORM. ##
## ---------------- ##
AT_SETUP([AC_FC_FIXEDFORM])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
AC_FC_FIXEDFORM
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[prog: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c $<
]])
AT_DATA([prog.f],
[[ program main
C fixed-form style comment
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./prog])
AT_CLEANUP
## ---------------------------------- ##
## AC_FC_FIXEDFORM with AC_FC_SRCEXT. ##
## ---------------------------------- ##
AT_SETUP([AC_FC_FIXEDFORM with AC_FC_SRCEXT])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
AC_FC_SRCEXT([f90], [], [AS_EXIT([77])])
AC_FC_FIXEDFORM
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
AT_DATA([Makefile.in],
[[prog: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f90 .@OBJEXT@
.f90.@OBJEXT@:
@FC@ @FCFLAGS@ -c @FCFLAGS_f90@ $<
]])
AT_DATA([prog.f90],
[[ program main
C fixed-form style comment
end
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./prog])
AT_CLEANUP
## ------------------ ##
## AC_FC_LINE_LENGTH. ##
## ------------------ ##
AT_SETUP([AC_FC_LINE_LENGTH])
AT_DATA([Makefile.in],
[[prog@EXEEXT@: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c @FCFLAGS_f@ $<
clean:
rm -f *.@OBJEXT@ prog@EEXEXT@
]])
line_80=\
'subroutine foo(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11)'
line_132=\
'subroutine foo(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,'\
'arg12,arg13,arg14,arg15,arg16,arg17,arg18,arg19)'
line_254=\
'subroutine foo(arg1,arg2,arg3,arg4,arg5,arg6,arg7,arg8,arg9,arg10,arg11,'\
'arg12,arg13,arg14,arg15,arg16,arg17,arg18,arg19,arg20,arg21,arg22,arg23,'\
'arg24,arg25,arg26,arg27,arg28,arg29,arg30,arg31,arg32,arg33,arg34,arg35,'\
'arg36,arg37,arg38,arg39,arg40)'
for len in 80 132 254
do
if test $len -eq 254; then arg=unlimited; else arg=$len; fi
eval long_line=\$line_$len
# Try free-form first, it has a bigger chance of succeeding.
for fixed_or_free in FREEFORM FIXEDFORM
do
cat >configure.ac <<EOF
AC_INIT
AC_PROG_FC
AC_FC_SRCEXT([f])
AC_FC_$fixed_or_free
AC_FC_LINE_LENGTH([$arg])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
EOF
cat >prog.f <<EOF
$long_line
end subroutine
program main
end program
EOF
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
dnl AT_CHECK([./prog])
AT_CHECK([$MAKE clean], [], [ignore], [ignore])
done
done
AT_CLEANUP
## ------------------- ##
## AC_FC_CHECK_BOUNDS. ##
## ------------------- ##
AT_SETUP([AC_FC_CHECK_BOUNDS])
AT_DATA([Makefile.in],
[[prog@EXEEXT@: prog.@OBJEXT@
@FC@ @FCFLAGS@ -o $@ prog.@OBJEXT@ @LIBS@
.SUFFIXES: .f .@OBJEXT@
.f.@OBJEXT@:
@FC@ @FCFLAGS@ -c @FCFLAGS_f@ $<
clean:
rm -f *.@OBJEXT@ prog@EEXEXT@
]])
cat >configure.ac <<EOF
AC_INIT
AC_PROG_FC
AC_FC_SRCEXT([f])
AC_FC_CHECK_BOUNDS
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
EOF
AT_DATA([prog.f],
[[
subroutine copy(a,b,n)
integer a(:), b(:), n, i
do i = 1, n
a(i) = b(i)
end do
end subroutine
program main
integer, parameter :: n = 20
integer a(1:n), b(1:n-1), i
interface
subroutine copy(a,b,n)
integer a(:), b(:), i
end subroutine
end interface
call copy(a,b,n)
end program
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [ignore], [ignore])
AT_CHECK([./prog || exit 1], [1], [ignore], [ignore])
AT_CHECK([$MAKE clean], [], [ignore], [ignore])
AT_CLEANUP
## ------------------ ##
## AC_FC_MODULE_FLAG. ##
## ------------------ ##
AT_SETUP([AC_FC_MODULE_FLAG])
AT_DATA([Makefile.in],
[[OBJEXT = @OBJEXT@
EXEEXT = @EXEEXT@
LIBS = @LIBS@
ac_empty = @ac_empty@
FC = @FC@
FC_MODEXT = @FC_MODEXT@
FC_MODINC = @FC_MODINC@
FCFLAGS = @FCFLAGS@
FCFLAGS_f = @FCFLAGS_f@
prog$(EXEEXT): sub/mod.$(OBJEXT) prog.$(OBJEXT)
$(FC) $(FCFLAGS) -o $@ prog.$(OBJEXT) sub/mod.$(OBJEXT) $(LIBS)
sub/mod.$(OBJEXT): sub/mod.f
cd sub && $(FC) $(FCFLAGS) -c $(FCFLAGS_f) mod.f
# Depend on the object, for the module dependency.
prog.$(OBJEXT): prog.f sub/mod.$(OBJEXT)
$(FC) $(FCFLAGS) $(FC_MODINC). $(FC_MODINC)sub -c $(FCFLAGS_f) $<
clean:
-test -z "$(FC_MODEXT)" || rm -f *.$(FC_MODEXT) sub/*.$(FC_MODEXT)
-rm -f *.$(OBJEXT) sub/*.$(OBJEXT) prog$(EXEEXT)
]])
AT_DATA([configure.ac],
[[AC_INIT
AC_PROG_FC
AC_FC_SRCEXT([f])
AC_FC_MODULE_FLAG
if test -n "$FC_MODINC"; then
FCFLAGS="$FCFLAGS $FC_MODINC. ${FC_MODINC}sub"
fi
AC_FC_MODULE_EXTENSION
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
]])
mkdir sub
AT_DATA([sub/mod.f],
[[ module foobar
end module foobar
]])
AT_DATA([prog.f],
[[ program main
use foobar
end program
]])
AT_CHECK_AUTOCONF
AT_CHECK_CONFIGURE
: "${MAKE=make}"
AT_CHECK([$MAKE], [], [stdout], [stderr])
# Both the FCFLAGS setting from configure.ac, and the Makefile rule
# should add to the module search path.
AT_CHECK([grep 'sub .*sub ' stdout stderr], [], [ignore])
AT_CHECK([./prog], [], [ignore], [ignore])
AT_CHECK([$MAKE clean], [], [ignore], [ignore])
AT_CLEANUP