coreutils: Fix sort&tac using /tmp (closes #213)

packages/coreutils/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://www.gnu.org/software/coreutils/
 TERMUX_PKG_DESCRIPTION="Basic file, shell and text manipulation utilities from the GNU project"
 TERMUX_PKG_VERSION=8.25
-TERMUX_PKG_BUILD_REVISION=2
+TERMUX_PKG_BUILD_REVISION=3
 TERMUX_PKG_SRCURL=http://ftp.gnu.org/gnu/coreutils/coreutils-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="ac_cv_func_mkfifo=yes gl_cv_host_operating_system=Android --without-gmp --enable-single-binary=symlinks ac_cv_func_endpwent=no"
 # pinky has no usage on Android.
@@ -12,3 +12,5 @@ TERMUX_PKG_EXTRA_HOSTBUILD_CONFIGURE_ARGS="$TERMUX_PKG_EXTRA_CONFIGURE_ARGS"
 TERMUX_PKG_BUILD_IN_SRC=yes
 # Host build for man pages generated by help2man, see makefile.patch:
 TERMUX_PKG_HOSTBUILD=yes
+
+CPPFLAGS+=" -DDEFAULT_TMPDIR=\\\"$TERMUX_PREFIX/tmp\\\""