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strtod: fix clash with strtold Problem reported for RHEL 5 by Jesse Caldwell (Bug#34817). * lib/strtod.c (compute_minus_zero, minus_zero): Simplify by remving the macro / external variable, and having just a function. User changed. This avoids the need for an external variable that might clash.
author Paul Eggert <eggert@cs.ucla.edu>
date Mon, 11 Mar 2019 16:40:29 -0700
parents b06060465f09
children
line wrap: on
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# Check for GNU-style execinfo.h.

dnl Copyright 2012-2019 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.

AC_DEFUN([gl_EXECINFO_H],
[
  AC_CHECK_HEADERS_ONCE([execinfo.h])

  LIB_EXECINFO=''
  EXECINFO_H='execinfo.h'

  if test $ac_cv_header_execinfo_h = yes; then
    gl_saved_libs=$LIBS
      AC_SEARCH_LIBS([backtrace_symbols_fd], [execinfo],
        [test "$ac_cv_search_backtrace_symbols_fd" = "none required" ||
         LIB_EXECINFO=$ac_cv_search_backtrace_symbols_fd])
    LIBS=$gl_saved_libs
    test "$ac_cv_search_backtrace_symbols_fd" = no || EXECINFO_H=''
  fi

  if test -n "$EXECINFO_H"; then
    AC_LIBOBJ([execinfo])
  fi

  AC_SUBST([EXECINFO_H])
  AC_SUBST([LIB_EXECINFO])
  AM_CONDITIONAL([GL_GENERATE_EXECINFO_H], [test -n "$EXECINFO_H"])
])