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:
putenv() function: change or add an environment variable.

Files:
lib/putenv.c
m4/putenv.m4

Depends-on:
stdlib
environ         [test $REPLACE_PUTENV = 1]
malloc-posix    [test $REPLACE_PUTENV = 1]

configure.ac:
gl_FUNC_PUTENV
if test $REPLACE_PUTENV = 1; then
  AC_LIBOBJ([putenv])
  gl_PREREQ_PUTENV
fi
gl_STDLIB_MODULE_INDICATOR([putenv])

Makefile.am:

Include:
<stdlib.h>

License:
LGPL

Maintainer:
Jim Meyering, glibc