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Use <machine/fpu.h> instead of <fenv.h> when needed (e.g., Tru64 5.1b).

* configure.in: Look for <machine/fpu.h>.

* test-suite/standalone/test-round.c: Use <machine/fpu.h> if available.
This commit is contained in:
Ludovic Courtès 2009-04-23 22:51:27 +02:00
parent fbcc27cfef
commit c50764e72e
2 changed files with 7 additions and 2 deletions

View file

@ -619,13 +619,15 @@ AC_SUBST([SCM_I_GSC_HAVE_STRUCT_DIRENT64])
# Reasons for testing:
# complex.h - new in C99
# fenv.h - available in C99, but not older systems
# machine/fpu.h - on Tru64 5.1b, the declaration of fesetround(3) is in
# this file instead of <fenv.h>
# process.h - mingw specific
#
AC_CHECK_HEADERS([complex.h fenv.h io.h libc.h limits.h malloc.h memory.h process.h string.h \
regex.h rxposix.h rx/rxposix.h sys/dir.h sys/ioctl.h sys/select.h \
sys/time.h sys/timeb.h sys/times.h sys/stdtypes.h sys/types.h \
sys/utime.h time.h unistd.h utime.h pwd.h grp.h sys/utsname.h \
direct.h strings.h])
direct.h strings.h machine/fpu.h])
# "complex double" is new in C99, and "complex" is only a keyword if
# <complex.h> is included

View file

@ -1,4 +1,4 @@
/* Copyright (C) 2004, 2006, 2008 Free Software Foundation, Inc.
/* Copyright (C) 2004, 2006, 2008, 2009 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -25,6 +25,9 @@
#if HAVE_FENV_H
#include <fenv.h>
#elif defined HAVE_MACHINE_FPU_H
/* On Tru64 5.1b, the declaration of fesetround(3) is here. */
# include <machine/fpu.h>
#endif
#include <libguile.h>