acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check.
* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check. * configure.ac: Check for floatingpoint.h, fptrap.h and float.h headers. Use LIBGFOR_CHECK_FPSETMASK. Check for fp_trap and fp_enable functions. * configure.host: Add case for systems with fpsetmask and systems with fp_trap/fp_enable. * config/fpu-sysv.h: New file, FPU code using fpsetmask. * config/fpu-aix.h: New file, FPU code for AIX using fp_trap and fp_enable. * aclocal.m4: Regenerate. * configure: Regenerate. * config.h.in: Regenerate. From-SVN: r105956
This commit is contained in:
François-Xavier Coudert
parent
9b46f94ffa
commit
3b14f6649a
8 changed files with 706 additions and 19 deletions
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@ -1,21 +1,36 @@
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2005-10-20 Francois-Xavier Coudert <coudert@clipper.ens.fr>
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* acinclude.m4 (LIBGFOR_CHECK_FPSETMASK): New check.
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* configure.ac: Check for floatingpoint.h, fptrap.h and float.h
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headers. Use LIBGFOR_CHECK_FPSETMASK. Check for fp_trap and
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fp_enable functions.
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* configure.host: Add case for systems with fpsetmask and systems
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with fp_trap/fp_enable.
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* config/fpu-sysv.h: New file, FPU code using fpsetmask.
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* config/fpu-aix.h: New file, FPU code for AIX using fp_trap and
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fp_enable.
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* aclocal.m4: Regenerate.
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* configure: Regenerate.
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* config.h.in: Regenerate.
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2005-10-24 Jerry DeLisle <jvdelisle@verizon.net>
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PR libgfortran/24224
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* libgfortran.h: Remove array stride error code.
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* runtime/error.c: Remove array stride error.
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* io/io.h: Change name of 'nml_loop_spec' to 'array_loop_spec' to be
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generic. Add pointer to array_loop_spec and rank to gfc_unit
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structure.
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* io/list_read.c: Revise nml_loop_spec references to array_loop_spec.
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* io/transfer.c (init_loop_spec): New function to initialize
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an array_loop_spec.
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(next_array_record): New function to return the index to the next array
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record by incrementing through the array_loop_spec.
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(next_record_r): Use new function.
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(next_record_w): Use new function.
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(finalize_transfer): Free memory allocated for array_loop_spec.
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* io/unit.c (get_array_unit_len): Delete this function. Use new
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function init_loop_spec to initialize the array_loop_spec.
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PR libgfortran/24224
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* libgfortran.h: Remove array stride error code.
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* runtime/error.c: Remove array stride error.
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* io/io.h: Change name of 'nml_loop_spec' to 'array_loop_spec' to be
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generic. Add pointer to array_loop_spec and rank to gfc_unit
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structure.
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* io/list_read.c: Revise nml_loop_spec references to array_loop_spec.
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* io/transfer.c (init_loop_spec): New function to initialize
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an array_loop_spec.
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(next_array_record): New function to return the index to the next array
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record by incrementing through the array_loop_spec.
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(next_record_r): Use new function.
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(next_record_w): Use new function.
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(finalize_transfer): Free memory allocated for array_loop_spec.
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* io/unit.c (get_array_unit_len): Delete this function. Use new
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function init_loop_spec to initialize the array_loop_spec.
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2005-10-24 Paul Thomas <pault@gcc.gnu.org>
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@ -384,3 +384,20 @@ esac])])
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if test x"$have_working_stat" = xyes; then
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AC_DEFINE(HAVE_WORKING_STAT, 1, [Define if target has a reliable stat.])
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fi])
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dnl Checks for fpsetmask function.
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AC_DEFUN([LIBGFOR_CHECK_FPSETMASK], [
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AC_CACHE_CHECK([whether fpsetmask is present], have_fpsetmask, [
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AC_TRY_LINK([
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#if HAVE_FLOATINGPOINT_H
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# include <floatingpoint.h>
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#endif /* HAVE_FLOATINGPOINT_H */
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#if HAVE_IEEEFP_H
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# include <ieeefp.h>
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#endif /* HAVE_IEEEFP_H */],[fpsetmask(0);],
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eval "have_fpsetmask=yes", eval "have_fpsetmask=no")
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])
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if test x"$have_fpsetmask" = xyes; then
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AC_DEFINE(HAVE_FPSETMASK, 1, [Define if you have fpsetmask.])
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fi
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])
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@ -294,6 +294,12 @@
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/* libm includes finite */
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#undef HAVE_FINITE
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/* Define to 1 if you have the <floatingpoint.h> header file. */
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#undef HAVE_FLOATINGPOINT_H
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/* Define to 1 if you have the <float.h> header file. */
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#undef HAVE_FLOAT_H
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/* libm includes floor */
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#undef HAVE_FLOOR
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@ -303,6 +309,18 @@
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/* libm includes floorl */
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#undef HAVE_FLOORL
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/* Define if you have fpsetmask. */
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#undef HAVE_FPSETMASK
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/* Define to 1 if you have the <fptrap.h> header file. */
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#undef HAVE_FPTRAP_H
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/* fp_enable is present */
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#undef HAVE_FP_ENABLE
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/* fp_trap is present */
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#undef HAVE_FP_TRAP
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/* libm includes frexp */
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#undef HAVE_FREXP
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92
libgfortran/config/fpu-aix.h
Normal file
92
libgfortran/config/fpu-aix.h
Normal file
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@ -0,0 +1,92 @@
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/* AIX FPU-related code.
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Copyright 2005 Free Software Foundation, Inc.
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Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
|
||||
Free Software Foundation gives you unlimited permission to link the
|
||||
compiled version of this file into combinations with other programs,
|
||||
and to distribute those combinations without any restriction coming
|
||||
from the use of this file. (The General Public License restrictions
|
||||
do apply in other respects; for example, they cover modification of
|
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
|
||||
License along with libgfortran; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* FPU-related code for AIX. */
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#ifdef HAVE_FPTRAP_H
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#include <fptrap.h>
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#endif
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#ifdef HAVE_FLOAT_H
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#include <float.h>
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#endif
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void
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set_fpu (void)
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{
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fptrap_t mode = 0;
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if (options.fpe & GFC_FPE_INVALID)
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#ifdef TRP_INVALID
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mode |= TRP_INVALID;
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#else
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st_printf ("Fortran runtime warning: IEEE 'invalid operation' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_DENORMAL)
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st_printf ("Fortran runtime warning: IEEE 'denormal number' "
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"exception not supported.\n");
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if (options.fpe & GFC_FPE_ZERO)
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#ifdef TRP_DIV_BY_ZERO
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mode |= TRP_DIV_BY_ZERO;
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#else
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st_printf ("Fortran runtime warning: IEEE 'division by zero' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_OVERFLOW)
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#ifdef TRP_OVERFLOW
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mode |= TRP_OVERFLOW;
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#else
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st_printf ("Fortran runtime warning: IEEE 'overflow' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_UNDERFLOW)
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#ifdef TRP_UNDERFLOW
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mode |= TRP_UNDERFLOW;
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#else
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st_printf ("Fortran runtime warning: IEEE 'underflow' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_PRECISION)
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#ifdef TRP_UNDERFLOW
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mode |= TRP_UNDERFLOW;
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#else
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st_printf ("Fortran runtime warning: IEEE 'loss of precision' "
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"exception not supported.\n");
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#endif
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fp_trap(FP_TRAP_SYNC);
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fp_enable(mode);
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}
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91
libgfortran/config/fpu-sysv.h
Normal file
91
libgfortran/config/fpu-sysv.h
Normal file
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@ -0,0 +1,91 @@
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/* SysV FPU-related code (for systems not otherwise supported).
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Copyright 2005 Free Software Foundation, Inc.
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Contributed by Francois-Xavier Coudert <coudert@clipper.ens.fr>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
|
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modify it under the terms of the GNU General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2 of the License, or (at your option) any later version.
|
||||
|
||||
In addition to the permissions in the GNU General Public License, the
|
||||
Free Software Foundation gives you unlimited permission to link the
|
||||
compiled version of this file into combinations with other programs,
|
||||
and to distribute those combinations without any restriction coming
|
||||
from the use of this file. (The General Public License restrictions
|
||||
do apply in other respects; for example, they cover modification of
|
||||
the file, and distribution when not linked into a combine
|
||||
executable.)
|
||||
|
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Libgfortran is distributed in the hope that it will be useful,
|
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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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 libgfortran; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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/* FPU-related code for SysV platforms with fpsetmask(). */
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#ifdef HAVE_IEEEFP_H
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#include <ieeefp.h>
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#endif
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void
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set_fpu (void)
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{
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int cw = 0;
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if (options.fpe & GFC_FPE_INVALID)
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#ifdef FP_X_INV
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cw |= FP_X_INV;
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#else
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st_printf ("Fortran runtime warning: IEEE 'invalid operation' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_DENORMAL)
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#ifdef FP_X_DNML
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cw |= FP_X_DNML;
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#else
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st_printf ("Fortran runtime warning: IEEE 'denormal number' "
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"exception not supported.\n");
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#endif
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if (options.fpe & GFC_FPE_ZERO)
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#ifdef FP_X_DZ
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cw |= FP_X_DZ;
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#else
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st_printf ("Fortran runtime warning: IEEE 'division by zero' "
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"exception not supported.\n");
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||||
#endif
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|
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if (options.fpe & GFC_FPE_OVERFLOW)
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#ifdef FP_X_OFL
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cw |= FP_X_OFL;
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#else
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st_printf ("Fortran runtime warning: IEEE 'overflow' "
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||||
"exception not supported.\n");
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||||
#endif
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||||
|
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if (options.fpe & GFC_FPE_UNDERFLOW)
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#ifdef FP_X_UFL
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cw |= FP_X_UFL;
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#else
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||||
st_printf ("Fortran runtime warning: IEEE 'underflow' "
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||||
"exception not supported.\n");
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||||
#endif
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||||
|
||||
if (options.fpe & GFC_FPE_PRECISION)
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||||
#ifdef FP_X_IMP
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cw |= FP_X_IMP;
|
||||
#else
|
||||
st_printf ("Fortran runtime warning: IEEE 'loss of precision' "
|
||||
"exception not supported.\n");
|
||||
#endif
|
||||
|
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fpsetmask(cw);
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||||
}
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440
libgfortran/configure
vendored
440
libgfortran/configure
vendored
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|
@ -6508,7 +6508,159 @@ done
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|||
|
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|
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|
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for ac_header in sys/mman.h sys/types.h sys/stat.h ieeefp.h fenv.h
|
||||
for ac_header in sys/mman.h sys/types.h sys/stat.h floatingpoint.h ieeefp.h
|
||||
do
|
||||
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
|
||||
if eval "test \"\${$as_ac_Header+set}\" = set"; then
|
||||
echo "$as_me:$LINENO: checking for $ac_header" >&5
|
||||
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
|
||||
if eval "test \"\${$as_ac_Header+set}\" = set"; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
|
||||
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
|
||||
else
|
||||
# Is the header compilable?
|
||||
echo "$as_me:$LINENO: checking $ac_header usability" >&5
|
||||
echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
$ac_includes_default
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||||
#include <$ac_header>
|
||||
_ACEOF
|
||||
rm -f conftest.$ac_objext
|
||||
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
|
||||
(eval $ac_compile) 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -z "$ac_c_werror_flag"
|
||||
|| test ! -s conftest.err'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; } &&
|
||||
{ ac_try='test -s conftest.$ac_objext'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
ac_header_compiler=yes
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
ac_header_compiler=no
|
||||
fi
|
||||
rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
|
||||
echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
|
||||
echo "${ECHO_T}$ac_header_compiler" >&6
|
||||
|
||||
# Is the header present?
|
||||
echo "$as_me:$LINENO: checking $ac_header presence" >&5
|
||||
echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
#include <$ac_header>
|
||||
_ACEOF
|
||||
if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5
|
||||
(eval $ac_cpp conftest.$ac_ext) 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } >/dev/null; then
|
||||
if test -s conftest.err; then
|
||||
ac_cpp_err=$ac_c_preproc_warn_flag
|
||||
ac_cpp_err=$ac_cpp_err$ac_c_werror_flag
|
||||
else
|
||||
ac_cpp_err=
|
||||
fi
|
||||
else
|
||||
ac_cpp_err=yes
|
||||
fi
|
||||
if test -z "$ac_cpp_err"; then
|
||||
ac_header_preproc=yes
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
ac_header_preproc=no
|
||||
fi
|
||||
rm -f conftest.err conftest.$ac_ext
|
||||
echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
|
||||
echo "${ECHO_T}$ac_header_preproc" >&6
|
||||
|
||||
# So? What about this header?
|
||||
case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
|
||||
yes:no: )
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
|
||||
echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
|
||||
echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
|
||||
ac_header_preproc=yes
|
||||
;;
|
||||
no:yes:* )
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
|
||||
echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: check for missing prerequisite headers?" >&5
|
||||
echo "$as_me: WARNING: $ac_header: check for missing prerequisite headers?" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
|
||||
echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&5
|
||||
echo "$as_me: WARNING: $ac_header: section \"Present But Cannot Be Compiled\"" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
|
||||
echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
|
||||
{ echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
|
||||
echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
|
||||
(
|
||||
cat <<\_ASBOX
|
||||
## ------------------------------------------------------ ##
|
||||
## Report this to the GNU Fortran Runtime Library lists. ##
|
||||
## ------------------------------------------------------ ##
|
||||
_ASBOX
|
||||
) |
|
||||
sed "s/^/$as_me: WARNING: /" >&2
|
||||
;;
|
||||
esac
|
||||
echo "$as_me:$LINENO: checking for $ac_header" >&5
|
||||
echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6
|
||||
if eval "test \"\${$as_ac_Header+set}\" = set"; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
eval "$as_ac_Header=\$ac_header_preproc"
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: `eval echo '${'$as_ac_Header'}'`" >&5
|
||||
echo "${ECHO_T}`eval echo '${'$as_ac_Header'}'`" >&6
|
||||
|
||||
fi
|
||||
if test `eval echo '${'$as_ac_Header'}'` = yes; then
|
||||
cat >>confdefs.h <<_ACEOF
|
||||
#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
|
||||
|
||||
|
||||
for ac_header in fenv.h fptrap.h float.h
|
||||
do
|
||||
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
|
||||
if eval "test \"\${$as_ac_Header+set}\" = set"; then
|
||||
|
|
@ -19587,6 +19739,292 @@ _ACEOF
|
|||
fi
|
||||
|
||||
|
||||
# Check for SysV fpsetmask
|
||||
|
||||
echo "$as_me:$LINENO: checking whether fpsetmask is present" >&5
|
||||
echo $ECHO_N "checking whether fpsetmask is present... $ECHO_C" >&6
|
||||
if test "${have_fpsetmask+set}" = set; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
|
||||
if test x$gcc_no_link = xyes; then
|
||||
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
|
||||
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
|
||||
{ (exit 1); exit 1; }; }
|
||||
fi
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
|
||||
#if HAVE_FLOATINGPOINT_H
|
||||
# include <floatingpoint.h>
|
||||
#endif /* HAVE_FLOATINGPOINT_H */
|
||||
#if HAVE_IEEEFP_H
|
||||
# include <ieeefp.h>
|
||||
#endif /* HAVE_IEEEFP_H */
|
||||
int
|
||||
main ()
|
||||
{
|
||||
fpsetmask(0);
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
rm -f conftest.$ac_objext conftest$ac_exeext
|
||||
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
|
||||
(eval $ac_link) 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -z "$ac_c_werror_flag"
|
||||
|| test ! -s conftest.err'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; } &&
|
||||
{ ac_try='test -s conftest$ac_exeext'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
eval "have_fpsetmask=yes"
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
eval "have_fpsetmask=no"
|
||||
fi
|
||||
rm -f conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: $have_fpsetmask" >&5
|
||||
echo "${ECHO_T}$have_fpsetmask" >&6
|
||||
if test x"$have_fpsetmask" = xyes; then
|
||||
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define HAVE_FPSETMASK 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
|
||||
# Check for AIX fp_trap and fp_enable
|
||||
echo "$as_me:$LINENO: checking for fp_trap" >&5
|
||||
echo $ECHO_N "checking for fp_trap... $ECHO_C" >&6
|
||||
if test "${ac_cv_func_fp_trap+set}" = set; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
if test x$gcc_no_link = xyes; then
|
||||
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
|
||||
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
|
||||
{ (exit 1); exit 1; }; }
|
||||
fi
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
/* Define fp_trap to an innocuous variant, in case <limits.h> declares fp_trap.
|
||||
For example, HP-UX 11i <limits.h> declares gettimeofday. */
|
||||
#define fp_trap innocuous_fp_trap
|
||||
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char fp_trap (); below.
|
||||
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
|
||||
<limits.h> exists even on freestanding compilers. */
|
||||
|
||||
#ifdef __STDC__
|
||||
# include <limits.h>
|
||||
#else
|
||||
# include <assert.h>
|
||||
#endif
|
||||
|
||||
#undef fp_trap
|
||||
|
||||
/* Override any gcc2 internal prototype to avoid an error. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
/* We use char because int might match the return type of a gcc2
|
||||
builtin and then its argument prototype would still apply. */
|
||||
char fp_trap ();
|
||||
/* The GNU C library defines this for functions which it implements
|
||||
to always fail with ENOSYS. Some functions are actually named
|
||||
something starting with __ and the normal name is an alias. */
|
||||
#if defined (__stub_fp_trap) || defined (__stub___fp_trap)
|
||||
choke me
|
||||
#else
|
||||
char (*f) () = fp_trap;
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return f != fp_trap;
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
rm -f conftest.$ac_objext conftest$ac_exeext
|
||||
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
|
||||
(eval $ac_link) 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -z "$ac_c_werror_flag"
|
||||
|| test ! -s conftest.err'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; } &&
|
||||
{ ac_try='test -s conftest$ac_exeext'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
ac_cv_func_fp_trap=yes
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
ac_cv_func_fp_trap=no
|
||||
fi
|
||||
rm -f conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: $ac_cv_func_fp_trap" >&5
|
||||
echo "${ECHO_T}$ac_cv_func_fp_trap" >&6
|
||||
if test $ac_cv_func_fp_trap = yes; then
|
||||
have_fp_trap=yes
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define HAVE_FP_TRAP 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
echo "$as_me:$LINENO: checking for fp_enable" >&5
|
||||
echo $ECHO_N "checking for fp_enable... $ECHO_C" >&6
|
||||
if test "${ac_cv_func_fp_enable+set}" = set; then
|
||||
echo $ECHO_N "(cached) $ECHO_C" >&6
|
||||
else
|
||||
if test x$gcc_no_link = xyes; then
|
||||
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
|
||||
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
|
||||
{ (exit 1); exit 1; }; }
|
||||
fi
|
||||
cat >conftest.$ac_ext <<_ACEOF
|
||||
/* confdefs.h. */
|
||||
_ACEOF
|
||||
cat confdefs.h >>conftest.$ac_ext
|
||||
cat >>conftest.$ac_ext <<_ACEOF
|
||||
/* end confdefs.h. */
|
||||
/* Define fp_enable to an innocuous variant, in case <limits.h> declares fp_enable.
|
||||
For example, HP-UX 11i <limits.h> declares gettimeofday. */
|
||||
#define fp_enable innocuous_fp_enable
|
||||
|
||||
/* System header to define __stub macros and hopefully few prototypes,
|
||||
which can conflict with char fp_enable (); below.
|
||||
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
|
||||
<limits.h> exists even on freestanding compilers. */
|
||||
|
||||
#ifdef __STDC__
|
||||
# include <limits.h>
|
||||
#else
|
||||
# include <assert.h>
|
||||
#endif
|
||||
|
||||
#undef fp_enable
|
||||
|
||||
/* Override any gcc2 internal prototype to avoid an error. */
|
||||
#ifdef __cplusplus
|
||||
extern "C"
|
||||
{
|
||||
#endif
|
||||
/* We use char because int might match the return type of a gcc2
|
||||
builtin and then its argument prototype would still apply. */
|
||||
char fp_enable ();
|
||||
/* The GNU C library defines this for functions which it implements
|
||||
to always fail with ENOSYS. Some functions are actually named
|
||||
something starting with __ and the normal name is an alias. */
|
||||
#if defined (__stub_fp_enable) || defined (__stub___fp_enable)
|
||||
choke me
|
||||
#else
|
||||
char (*f) () = fp_enable;
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
main ()
|
||||
{
|
||||
return f != fp_enable;
|
||||
;
|
||||
return 0;
|
||||
}
|
||||
_ACEOF
|
||||
rm -f conftest.$ac_objext conftest$ac_exeext
|
||||
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
|
||||
(eval $ac_link) 2>conftest.er1
|
||||
ac_status=$?
|
||||
grep -v '^ *+' conftest.er1 >conftest.err
|
||||
rm -f conftest.er1
|
||||
cat conftest.err >&5
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); } &&
|
||||
{ ac_try='test -z "$ac_c_werror_flag"
|
||||
|| test ! -s conftest.err'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; } &&
|
||||
{ ac_try='test -s conftest$ac_exeext'
|
||||
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
|
||||
(eval $ac_try) 2>&5
|
||||
ac_status=$?
|
||||
echo "$as_me:$LINENO: \$? = $ac_status" >&5
|
||||
(exit $ac_status); }; }; then
|
||||
ac_cv_func_fp_enable=yes
|
||||
else
|
||||
echo "$as_me: failed program was:" >&5
|
||||
sed 's/^/| /' conftest.$ac_ext >&5
|
||||
|
||||
ac_cv_func_fp_enable=no
|
||||
fi
|
||||
rm -f conftest.err conftest.$ac_objext \
|
||||
conftest$ac_exeext conftest.$ac_ext
|
||||
fi
|
||||
echo "$as_me:$LINENO: result: $ac_cv_func_fp_enable" >&5
|
||||
echo "${ECHO_T}$ac_cv_func_fp_enable" >&6
|
||||
if test $ac_cv_func_fp_enable = yes; then
|
||||
have_fp_enable=yes
|
||||
cat >>confdefs.h <<\_ACEOF
|
||||
#define HAVE_FP_ENABLE 1
|
||||
_ACEOF
|
||||
|
||||
fi
|
||||
|
||||
|
||||
# Runs configure.host to set up necessary host-dependent shell variables.
|
||||
# We then display a message about it, and propagate them through the
|
||||
# build chain.
|
||||
|
|
|
|||
|
|
@ -158,7 +158,8 @@ AC_TYPE_OFF_T
|
|||
AC_STDC_HEADERS
|
||||
AC_HAVE_HEADERS(stdlib.h stdio.h string.h stddef.h math.h unistd.h signal.h)
|
||||
AC_CHECK_HEADERS(time.h sys/params.h sys/time.h sys/times.h sys/resource.h)
|
||||
AC_CHECK_HEADERS(sys/mman.h sys/types.h sys/stat.h ieeefp.h fenv.h)
|
||||
AC_CHECK_HEADERS(sys/mman.h sys/types.h sys/stat.h floatingpoint.h ieeefp.h)
|
||||
AC_CHECK_HEADERS(fenv.h fptrap.h float.h)
|
||||
AC_CHECK_HEADER([complex.h],[AC_DEFINE([HAVE_COMPLEX_H], [1], [complex.h exists])])
|
||||
|
||||
AC_CHECK_MEMBERS([struct stat.st_blksize])
|
||||
|
|
@ -346,6 +347,13 @@ AC_CHECK_LIB([m],[finite],[AC_DEFINE([HAVE_FINITE],[1],[libm includes finite])])
|
|||
# Check for GNU libc feenableexcept
|
||||
AC_CHECK_LIB([m],[feenableexcept],[have_feenableexcept=yes AC_DEFINE([HAVE_FEENABLEEXCEPT],[1],[libm includes feenableexcept])])
|
||||
|
||||
# Check for SysV fpsetmask
|
||||
LIBGFOR_CHECK_FPSETMASK
|
||||
|
||||
# Check for AIX fp_trap and fp_enable
|
||||
AC_CHECK_FUNC([fp_trap],[have_fp_trap=yes AC_DEFINE([HAVE_FP_TRAP],[1],[fp_trap is present])])
|
||||
AC_CHECK_FUNC([fp_enable],[have_fp_enable=yes AC_DEFINE([HAVE_FP_ENABLE],[1],[fp_enable is present])])
|
||||
|
||||
# Runs configure.host to set up necessary host-dependent shell variables.
|
||||
# We then display a message about it, and propagate them through the
|
||||
# build chain.
|
||||
|
|
|
|||
|
|
@ -18,7 +18,7 @@
|
|||
|
||||
|
||||
# DEFAULTS
|
||||
fpu_host=fpu-generic
|
||||
fpu_host='fpu-generic'
|
||||
|
||||
# HOST-SPECIFIC OVERRIDES
|
||||
case "${host_cpu}" in
|
||||
|
|
@ -30,3 +30,11 @@ esac
|
|||
if test "x${have_feenableexcept}" = "xyes"; then
|
||||
fpu_host='fpu-glibc'
|
||||
fi
|
||||
|
||||
if test "x${have_fpsetmask}" = "xyes"; then
|
||||
fpu_host='fpu-sysv'
|
||||
fi
|
||||
|
||||
if test "x${have_fp_enable}" = "xyes" && test "x${have_fp_trap}" = "xyes"; then
|
||||
fpu_host='fpu-aix'
|
||||
fi
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue