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:
fsync(2) function: synchronize writes, including metadata, to a file.

Files:
lib/fsync.c
m4/fsync.m4

Depends-on:
unistd
msvc-nothrow    [test $HAVE_FSYNC = 0]

configure.ac:
gl_FUNC_FSYNC
if test $HAVE_FSYNC = 0; then
  AC_LIBOBJ([fsync])
  gl_PREREQ_FSYNC
fi
gl_UNISTD_MODULE_INDICATOR([fsync])

Makefile.am:

Include:
<unistd.h>

License:
LGPLv2+

Maintainer:
Richard W.M. Jones, Jim Meyering