Branch
Hash :
a923e066
Author :
Date :
2025-09-10T22:55:08
math-h: Remove support for IRIX. * lib/math.in.h (FP_ILOGB0, FP_ILOGBNAN): Remove code for IRIX. (cbrtf): Test HAVE_CBRTF instead of HAVE_DECL_CBRTF. (cbrtl): Test HAVE_CBRTL instead of HAVE_DECL_CBRTL. (copysignf): Test HAVE_COPYSIGNF instead of HAVE_DECL_COPYSIGNF. (exp2f): Test HAVE_EXP2F instead of HAVE_DECL_EXP2F. (exp2): Test HAVE_EXP2 instead of HAVE_DECL_EXP2. (exp2l): Test HAVE_EXP2L instead of HAVE_DECL_EXP2L. (expm1l): Test HAVE_EXPM1L instead of HAVE_DECL_EXPM1L. (log2f): Test HAVE_LOG2F instead of HAVE_DECL_LOG2F. (log2): Test HAVE_LOG2 instead of HAVE_DECL_LOG2. (log2l): Test HAVE_LOG2L instead of HAVE_DECL_LOG2L. (remainder): Don't test HAVE_DECL_REMAINDER. (remainderl): Test HAVE_REMAINDERL instead of HAVE_DECL_REMAINDERL. (rintf): Test HAVE_RINTF instead of HAVE_DECL_RINTF. (roundf): Test HAVE_ROUNDF instead of HAVE_DECL_ROUNDF. (round): Test HAVE_ROUND instead of HAVE_DECL_ROUND. (roundl): Test HAVE_ROUNDL instead of HAVE_DECL_ROUNDL. (isnanf, isnand): Remove code for IRIX. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize HAVE_COPYSIGNF, HAVE_EXP2, HAVE_EXP2F, HAVE_EXP2L, HAVE_EXPM1L, HAVE_LOG2, HAVE_LOG2F, HAVE_LOG2L, HAVE_REMAINDERL, HAVE_RINTF, HAVE_ROUND, HAVE_ROUNDF, HAVE_ROUNDL. Don't initialize HAVE_DECL_CBRTF, HAVE_DECL_CBRTL, HAVE_DECL_COPYSIGNF, HAVE_DECL_EXP2, HAVE_DECL_EXP2F, HAVE_DECL_EXP2L, HAVE_DECL_EXPM1L, HAVE_DECL_LOG2, HAVE_DECL_LOG2F, HAVE_DECL_LOG2L, HAVE_DECL_REMAINDER, HAVE_DECL_REMAINDERL, HAVE_DECL_RINTF, HAVE_DECL_ROUND, HAVE_DECL_ROUNDF, HAVE_DECL_ROUNDL. * modules/math-h (Makefile.am): Substitute HAVE_COPYSIGNF, HAVE_EXP2, HAVE_EXP2F, HAVE_EXP2L, HAVE_EXPM1L, HAVE_LOG2, HAVE_LOG2F, HAVE_LOG2L, HAVE_REMAINDERL, HAVE_RINTF, HAVE_ROUND, HAVE_ROUNDF, HAVE_ROUNDL. Don't substitute HAVE_DECL_CBRTF, HAVE_DECL_CBRTL, HAVE_DECL_COPYSIGNF, HAVE_DECL_EXP2, HAVE_DECL_EXP2F, HAVE_DECL_EXP2L, HAVE_DECL_EXPM1L, HAVE_DECL_LOG2, HAVE_DECL_LOG2F, HAVE_DECL_LOG2L, HAVE_DECL_REMAINDER, HAVE_DECL_REMAINDERL, HAVE_DECL_RINTF, HAVE_DECL_ROUND, HAVE_DECL_ROUNDF, HAVE_DECL_ROUNDL. * m4/cbrtf.m4 (gl_FUNC_CBRTF_WORKS): Remove macro. (gl_FUNC_CBRTF): Don't invoke it. Don't set HAVE_DECL_CBRTF. * m4/cbrtl.m4 (gl_FUNC_CBRTL): Don't set HAVE_DECL_CBRTL. Remove test regarding cbrtl (-0.0L). * lib/cbrtl.c (cbrtl): Remove code for IRIX. * m4/copysignf.m4 (gl_FUNC_COPYSIGNF): Don't set HAVE_DECL_COPYSIGNF. * m4/exp2f.m4 (gl_FUNC_EXP2F): Don't set HAVE_DECL_EXP2F. * m4/exp2.m4 (gl_FUNC_EXP2): Don't set HAVE_DECL_EXP2. * m4/exp2l.m4 (gl_FUNC_EXP2L): Don't set HAVE_DECL_EXP2L. Remove code for IRIX. Remove test regarding exp2l (-Inf). * m4/expm1l.m4 (gl_FUNC_EXPM1L): Don't set HAVE_DECL_EXPM1L. Remove code for IRIX. * m4/log2f.m4 (gl_FUNC_LOG2F): Don't set HAVE_DECL_LOG2F. * m4/log2.m4 (gl_FUNC_LOG2): Don't set HAVE_DECL_LOG2. * lib/log2.c (log2): Remove code for IRIX. * m4/log2l.m4 (gl_FUNC_LOG2L): Don't set HAVE_DECL_LOG2L. Remove code for IRIX. * lib/log2l.c (log2l): Remove code for IRIX. * m4/remainder.m4 (gl_FUNC_REMAINDER): Don't set HAVE_DECL_REMAINDER. * m4/remainderl.m4 (gl_FUNC_REMAINDERL): Don't set HAVE_DECL_REMAINDERL. Remove code for IRIX. * m4/rintf.m4 (gl_FUNC_RINTF): Don't set HAVE_DECL_RINTF. * m4/roundf.m4 (gl_FUNC_ROUNDF): Don't set HAVE_DECL_ROUNDF. * m4/round.m4 (gl_FUNC_ROUND): Don't set HAVE_DECL_ROUND. * m4/roundl.m4 (gl_FUNC_ROUNDL): Don't set HAVE_DECL_ROUNDL.
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# remainder.m4
# serial 14
dnl Copyright (C) 2012-2025 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
dnl This file is offered as-is, without any warranty.
AC_DEFUN([gl_FUNC_REMAINDER],
[
m4_divert_text([DEFAULTS], [gl_remainder_required=plain])
AC_REQUIRE([gl_MATH_H_DEFAULTS])
REMAINDER_LIBM=
AC_CACHE_CHECK([whether remainder() can be used without linking with libm],
[gl_cv_func_remainder_no_libm],
[
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#ifndef __NO_MATH_INLINES
# define __NO_MATH_INLINES 1 /* for glibc */
#endif
#include <math.h>
double x;
double y;]],
[[return remainder (x, y) > 1;]])],
[gl_cv_func_remainder_no_libm=yes],
[gl_cv_func_remainder_no_libm=no])
])
if test $gl_cv_func_remainder_no_libm = no; then
AC_CACHE_CHECK([whether remainder() can be used with libm],
[gl_cv_func_remainder_in_libm],
[
saved_LIBS="$LIBS"
LIBS="$LIBS -lm"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#ifndef __NO_MATH_INLINES
# define __NO_MATH_INLINES 1 /* for glibc */
#endif
#include <math.h>
double x;
double y;]],
[[return remainder (x, y) > 1;]])],
[gl_cv_func_remainder_in_libm=yes],
[gl_cv_func_remainder_in_libm=no])
LIBS="$saved_LIBS"
])
if test $gl_cv_func_remainder_in_libm = yes; then
REMAINDER_LIBM=-lm
fi
fi
if test $gl_cv_func_remainder_no_libm = yes \
|| test $gl_cv_func_remainder_in_libm = yes; then
:
else
HAVE_REMAINDER=0
fi
if test $HAVE_REMAINDER = 0 || test $REPLACE_REMAINDER = 1; then
dnl Find libraries needed to link lib/remainder.c.
AC_REQUIRE([gl_FUNC_FABS])
AC_REQUIRE([gl_FUNC_FMOD])
AC_REQUIRE([gl_FUNC_ISNAND])
REMAINDER_LIBM=
dnl Append $FABS_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
case " $REMAINDER_LIBM " in
*" $FABS_LIBM "*) ;;
*) REMAINDER_LIBM="$REMAINDER_LIBM $FABS_LIBM" ;;
esac
dnl Append $FMOD_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
case " $REMAINDER_LIBM " in
*" $FMOD_LIBM "*) ;;
*) REMAINDER_LIBM="$REMAINDER_LIBM $FMOD_LIBM" ;;
esac
dnl Append $ISNAND_LIBM to REMAINDER_LIBM, avoiding gratuitous duplicates.
case " $REMAINDER_LIBM " in
*" $ISNAND_LIBM "*) ;;
*) REMAINDER_LIBM="$REMAINDER_LIBM $ISNAND_LIBM" ;;
esac
fi
AC_SUBST([REMAINDER_LIBM])
])