cbrtl.m4

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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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m4/cbrtl.m4

# cbrtl.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_CBRTL],
[
  m4_divert_text([DEFAULTS], [gl_cbrtl_required=plain])
  AC_REQUIRE([gl_MATH_H_DEFAULTS])
  AC_REQUIRE([gl_LONG_DOUBLE_VS_DOUBLE])
  AC_REQUIRE([gl_FUNC_CBRT])

  dnl Persuade glibc <math.h> to declare cbrtl().
  AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])

  dnl Test whether cbrtl() exists. Assume that cbrtl(), if it exists, is
  dnl defined in the same library as cbrt().
  saved_LIBS="$LIBS"
  LIBS="$LIBS $CBRT_LIBM"
  AC_CHECK_FUNCS([cbrtl])
  LIBS="$saved_LIBS"
  if test $ac_cv_func_cbrtl = yes; then
    CBRTL_LIBM="$CBRT_LIBM"

    saved_LIBS="$LIBS"
    LIBS="$LIBS $CBRTL_LIBM"
    gl_FUNC_CBRTL_WORKS
    LIBS="$saved_LIBS"
    case "$gl_cv_func_cbrtl_works" in
      *yes) ;;
      *) REPLACE_CBRTL=1 ;;
    esac
  else
    HAVE_CBRTL=0
  fi
  if test $HAVE_CBRTL = 0 || test $REPLACE_CBRTL = 1; then
    dnl Find libraries needed to link lib/cbrtl.c.
    if test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1; then
      CBRTL_LIBM="$CBRT_LIBM"
    else
      AC_REQUIRE([gl_FUNC_FREXPL])
      AC_REQUIRE([gl_FUNC_LDEXPL])
      CBRTL_LIBM=
      dnl Append $FREXPL_LIBM to CBRTL_LIBM, avoiding gratuitous duplicates.
      case " $CBRTL_LIBM " in
        *" $FREXPL_LIBM "*) ;;
        *) CBRTL_LIBM="$CBRTL_LIBM $FREXPL_LIBM" ;;
      esac
      dnl Append $LDEXPL_LIBM to CBRTL_LIBM, avoiding gratuitous duplicates.
      case " $CBRTL_LIBM " in
        *" $LDEXPL_LIBM "*) ;;
        *) CBRTL_LIBM="$CBRTL_LIBM $LDEXPL_LIBM" ;;
      esac
    fi
  fi
  AC_SUBST([CBRTL_LIBM])
])

dnl Test whether cbrtl() works.
dnl On OpenBSD 5.1/SPARC, cbrtl(16.0L) is = 1.2599...
AC_DEFUN([gl_FUNC_CBRTL_WORKS],
[
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
  AC_CACHE_CHECK([whether cbrtl works], [gl_cv_func_cbrtl_works],
    [
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE([[
#include <math.h>
extern
#ifdef __cplusplus
"C"
#endif
long double cbrtl (long double);
volatile long double x;
long double y;
int main ()
{
  x = 16.0L;
  y = cbrtl (x);
  if (y < 2.0L)
    return 1;
  return 0;
}
]])],
        [gl_cv_func_cbrtl_works=yes],
        [gl_cv_func_cbrtl_works=no],
        [case "$host_os" in
           openbsd*)          gl_cv_func_cbrtl_works="guessing no";;
                              # Guess yes on native Windows.
           mingw* | windows*) gl_cv_func_cbrtl_works="guessing yes";;
           *)                 gl_cv_func_cbrtl_works="guessing yes";;
         esac
        ])
    ])
])

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kc3-lang/gnulib/m4/cbrtl.m4

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m4/cbrtl.m4