Fix build error when building a shared libunistring on Android. * tests/uninorm/test-nfc.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfd.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfkc.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference. * tests/uninorm/test-nfkd.c (n): Don't define on Android. (main): Add 'volatile', to defeat a GCC optimization that would eliminate the reference.

Description:
isnanf() function: test for NaN, without requiring libm.

Files:
lib/isnanf-nolibm.h
lib/isnanf.c
lib/isnan.c
lib/float+.h
m4/exponentf.m4
m4/isnanf.m4

Depends-on:
fpieee
memcmp

configure.ac:
gl_FUNC_ISNANF_NO_LIBM
if test $gl_func_isnanf_no_libm != yes; then
  AC_LIBOBJ([isnanf])
  gl_PREREQ_ISNANF
fi

Makefile.am:

Include:
"isnanf-nolibm.h"

License:
LGPLv2+

Maintainer:
all