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.

Files:
tests/test-frexp.c
tests/test-frexp.h
tests/minus-zero.h
tests/infinity.h
tests/nan.h
tests/signature.h
tests/macros.h
tests/randomd.c

Depends-on:
isnand-nolibm
signbit

configure.ac:

Makefile.am:
TESTS += test-frexp
check_PROGRAMS += test-frexp
test_frexp_SOURCES = test-frexp.c randomd.c
test_frexp_LDADD = $(LDADD) @FREXP_LIBM@