Patch NDK to define AT_EACCESS to 0

This fixes breakage for gnulib-using packages which otherwise
defines AT_EACCESS, which does not work on Android 6.

Bump build revisions for coreutils and emacs to rebuild them
with this patch.

ndk_patches/linux-fcntl.h.patch

@@ -0,0 +1,18 @@
+diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/linux/fcntl.h ./usr/include/linux/fcntl.h
+--- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/linux/fcntl.h	2014-10-14 22:53:49.000000000 -0400
++++ ./usr/include/linux/fcntl.h	2015-10-19 17:17:56.309373308 -0400
+@@ -41,6 +41,14 @@
+ #define AT_SYMLINK_NOFOLLOW 0x100
+ #define AT_REMOVEDIR 0x200
+ /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
++
++/* Termux patch: This flag is not supported on Android 6.0+, and should not
++   be needed since there are not setuid binaries. Define AT_EACCESS to 0 to
++   avoid packages defining their own AT_EACCESS (which e.g. coreutil does)
++   since that will only result in errors. See:
++   https://android.googlesource.com/platform/bionic/+/3577825%5E!/      */
++#define AT_EACCESS 0
++
+ #define AT_SYMLINK_FOLLOW 0x400
+ #define AT_NO_AUTOMOUNT 0x800
+ #define AT_EMPTY_PATH 0x1000

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=8.24
-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. realpath has permission denied problem with relative paths,

packages/emacs/build.sh

@@ -1,7 +1,7 @@
 TERMUX_PKG_HOMEPAGE=http://www.gnu.org/software/emacs/
 TERMUX_PKG_DESCRIPTION="Extensible, customizable text editor-and more"
 TERMUX_PKG_VERSION=24.5
-TERMUX_PKG_BUILD_REVISION=1
+TERMUX_PKG_BUILD_REVISION=2
 TERMUX_PKG_SRCURL=http://ftp.gnu.org/pub/gnu/emacs/emacs-${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_DEPENDS="ncurses"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--without-x --with-xpm=no --with-jpeg=no --with-png=no --with-gif=no --with-tiff=no --without-gconf --without-gsettings --without-all"