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:
Save and restore the working directory, possibly using a child process.

Files:
lib/savewd.h
lib/savewd.c
m4/savewd.m4

Depends-on:
assure
chdir
dosname
errno
extern-inline
fchdir
fcntl-safer
fcntl-h
raise
stdbool
stdlib
sys_wait
xalloc

configure.ac:
gl_SAVEWD

Makefile.am:
lib_SOURCES += savewd.h savewd.c

Include:
"savewd.h"

License:
GPL

Maintainer:
Paul Eggert, Jim Meyering