New module 'exp2'. * lib/math.in.h (exp2): New declaration. * lib/exp2.c: New file. * m4/exp2.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2, REPLACE_EXP2. * modules/exp2: New file. * tests/test-math-c++.cc: Check the declaration of exp2. * doc/posix-functions/exp2.texi: Mention the new module and the IRIX and OpenBSD problems.

#!/bin/sh

# Test whether a specific GB18030 locale is installed.
: ${LOCALE_ZH_CN=zh_CN.GB18030}
if test $LOCALE_ZH_CN = none; then
  if test -f /usr/bin/localedef; then
    echo "Skipping test: no transitional chinese locale is installed"
  else
    echo "Skipping test: no transitional chinese locale is supported"
  fi
  exit 77
fi

LC_ALL=$LOCALE_ZH_CN \
./test-wcsnrtombs${EXEEXT} 4