diff --git a/ndk-patches/bits-struct_file.h.patch b/ndk-patches/bits-struct_file.h.patch
index f4aae0f823..7e5bf09b33 100644
--- a/ndk-patches/bits-struct_file.h.patch
+++ b/ndk-patches/bits-struct_file.h.patch
@@ -1,10 +1,9 @@
-diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/bits/struct_file.h ./usr/include/bits/struct_file.h
---- /home/fornwall/lib/android-ndk/sysroot/usr/include/bits/struct_file.h	2017-06-20 17:41:56.000000000 +0200
-+++ ./usr/include/bits/struct_file.h	2017-06-26 13:35:19.040117023 +0200
-@@ -33,13 +33,80 @@
+--- ./usr/include/bits/struct_file.h.orig	2019-06-10 09:40:35.872857650 +1000
++++ ./usr/include/bits/struct_file.h	2019-06-10 09:55:10.890308649 +1000
+@@ -31,14 +31,79 @@
+ #include <sys/cdefs.h>
  
  __BEGIN_DECLS
- 
 +#if defined(__LP64__)
 +struct __sbuf {
 +	unsigned char* _base;
@@ -13,75 +12,74 @@ diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/bits/struct_file.h
 +#else
 +struct __sbuf {
 +	unsigned char *_base;
-+	int	_size;
++	int     _size;
 +};
-+#endif
-+
++#endif                               
 +#if defined(__LP64__)
 +typedef int64_t _struct_file_off_t;
 +#else
 +typedef __kernel_off_t _struct_file_off_t;
 +#endif
-+
++                                       
+ 
+ /** The opaque structure implementing `FILE`. Do not make any assumptions about its content. */
  struct __sFILE {
-+	unsigned char *_p;	/* current position in (some) buffer */
-+	int	_r;		/* read space left for getc() */
-+	int	_w;		/* write space left for putc() */
++	unsigned char *_p;      /* current position in (some) buffer */
++	int     _r;             /* read space left for getc() */
++	int     _w;             /* write space left for putc() */
  #if defined(__LP64__)
 -  char __private[152];
-+	int	_flags;		/* flags, below; this FILE is free if 0 */
-+	int	_file;		/* fileno, if Unix descriptor, else -1 */
++	int     _flags;         /* flags, below; this FILE is free if 0 */  
++	int     _file;          /* fileno, if Unix descriptor, else -1 */ 
  #else
 -  char __private[84];
-+	short	_flags;		/* flags, below; this FILE is free if 0 */
-+	short	_file;		/* fileno, if Unix descriptor, else -1 */
++	short   _flags;         /* flags, below; this FILE is free if 0 */
++	short   _file;          /* fileno, if Unix descriptor, else -1 */
  #endif
 -} __attribute__((aligned(sizeof(void*))));
-+	struct	__sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
-+	int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
-+
-+	/* operations */
-+	void	*_cookie;	/* cookie passed to io functions */
-+	int	(*_close)(void *);
-+	int	(*_read)(void *, char *, int);
-+	_struct_file_off_t	(*_seek)(void *, _struct_file_off_t, int);
-+	int	(*_write)(void *, const char *, int);
-+
++	struct  __sbuf _bf;     /* the buffer (at least 1 byte, if !NULL) */
++        int     _lbfsize;       /* 0 or -_bf._size, for inline putc */
++	
++       /* operations */
++       void    *_cookie;       /* cookie passed to io functions */
++	int     (*_close)(void *);
++	int     (*_read)(void *, char *, int);
++	_struct_file_off_t      (*_seek)(void *, _struct_file_off_t, int);
++	int     (*_write)(void *, const char *, int);
++	
 +	/* extension data, to avoid further ABI breakage */
-+	struct	__sbuf _ext;
++	struct  __sbuf _ext;
 +	/* data for long sequences of ungetc() */
-+	unsigned char *_up;	/* saved _p when _p is doing ungetc data */
-+	int	_ur;		/* saved _r when _r is counting ungetc data */
-+
++	unsigned char *_up;     /* saved _p when _p is doing ungetc data */
++	int     _ur;            /* saved _r when _r is counting ungetc data */
++	
 +	/* tricks to meet minimum requirements even when malloc() fails */
-+	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
-+	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
-+
++	unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
++	unsigned char _nbuf[1]; /* guarantee a getc() buffer */
++	
 +	/* separate buffer for fgetln() when line crosses buffer boundary */
-+	struct	__sbuf _lb;	/* buffer for fgetln() */
-+
++	struct  __sbuf _lb;     /* buffer for fgetln() */
++	
 +	/* Unix stdio files get aligned to block boundaries on fseek() */
-+	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
-+	_struct_file_off_t	_offset;	/* current lseek offset */
++	int     _blksize;       /* stat.st_blksize (may be != _bf._size) */
++	_struct_file_off_t      _offset;        /* current lseek offset */
 +};
-+
-+#define	__SLBF	0x0001		/* line buffered */
-+#define	__SNBF	0x0002		/* unbuffered */
-+#define	__SRD	0x0004		/* OK to read */
-+#define	__SWR	0x0008		/* OK to write */
++#define __SLBF  0x0001          /* line buffered */
++#define __SNBF  0x0002          /* unbuffered */
++#define __SRD   0x0004          /* OK to read */
++#define __SWR   0x0008          /* OK to write */
 +	/* RD and WR are never simultaneously asserted */
-+#define	__SRW	0x0010		/* open for reading & writing */
-+#define	__SEOF	0x0020		/* found EOF */
-+#define	__SERR	0x0040		/* found error */
-+#define	__SMBF	0x0080		/* _buf is from malloc */
-+#define	__SAPP	0x0100		/* fdopen()ed in append mode */
-+#define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
-+#define	__SOPT	0x0400		/* do fseek() optimization */
-+#define	__SNPT	0x0800		/* do not do fseek() optimization */
-+#define	__SOFF	0x1000		/* set iff _offset is in fact correct */
-+#define	__SMOD	0x2000		/* true => fgetln modified _p text */
-+#define	__SALC	0x4000		/* allocate string space dynamically */
-+#define	__SIGN	0x8000		/* ignore this file in _fwalk */
++#define __SRW   0x0010          /* open for reading & writing */
++#define __SEOF  0x0020          /* found EOF */
++#define __SERR  0x0040          /* found error */
++#define __SMBF  0x0080          /* _buf is from malloc */
++#define __SAPP  0x0100          /* fdopen()ed in append mode */
++#define __SSTR  0x0200          /* this is an sprintf/snprintf string */
++#define __SOPT  0x0400          /* do fseek() optimization */
++#define __SNPT  0x0800          /* do not do fseek() optimization */
++#define __SOFF  0x1000          /* set iff _offset is in fact correct */
++#define __SMOD  0x2000          /* true => fgetln modified _p text */
++#define __SALC  0x4000          /* allocate string space dynamically */
++#define __SIGN  0x8000          /* ignore this file in _fwalk */
  
  __END_DECLS
- 
diff --git a/ndk-patches/paths.h.patch b/ndk-patches/paths.h.patch
index 4a4ef4d611..e7834203c4 100644
--- a/ndk-patches/paths.h.patch
+++ b/ndk-patches/paths.h.patch
@@ -1,27 +1,31 @@
-diff -u -r /home/fornwall/lib/android-ndk/sysroot/usr/include/paths.h ./usr/include/paths.h
---- /home/fornwall/lib/android-ndk/sysroot/usr/include/paths.h	2017-11-09 09:57:12.000000000 +0100
-+++ ./usr/include/paths.h	2017-11-15 11:51:24.456129565 +0100
-@@ -34,15 +34,19 @@
+--- ./usr/include/paths.h.orig	2019-06-10 00:10:55.544212642 +0000
++++ ./usr/include/paths.h	2019-06-10 00:16:51.514412646 +0000
+@@ -38,16 +38,14 @@
  
  #include <sys/cdefs.h>
  
 -#ifndef _PATH_BSHELL
--#define	_PATH_BSHELL	"/system/bin/sh"
+ /** Path to the default system shell. Historically the 'B' was to specify the Bourne shell. */
+-#define _PATH_BSHELL "/system/bin/sh"
 -#endif
-+#define	_PATH_BSHELL	"@TERMUX_PREFIX@/bin/sh"
- #define	_PATH_CONSOLE	"/dev/console"
--#define	_PATH_DEFPATH	"/sbin:/system/sbin:/system/bin:/system/xbin:/odm/bin:/vendor/bin:/vendor/xbin"
-+#define	_PATH_DEFPATH	"@TERMUX_PREFIX@/bin:@TERMUX_PREFIX@/bin/applets"
- #define	_PATH_DEV	"/dev/"
- #define	_PATH_DEVNULL	"/dev/null"
- #define	_PATH_KLOG	"/proc/kmsg"
- #define	_PATH_MOUNTED	"/proc/mounts"
- #define	_PATH_TTY	"/dev/tty"
++#define        _PATH_BSHELL    "@TERMUX_PREFIX@/bin/sh"
  
-+#define	_PATH_STDPATH	_PATH_DEFPATH
-+#define	_PATH_TMP	"@TERMUX_PREFIX@/tmp/"
-+#define	_PATH_VARDB	"@TERMUX_PREFIX@/var/db/"
-+#define	_PATH_VARRUN	"@TERMUX_PREFIX@/var/run/"
-+#define	_PATH_VARTMP	"@TERMUX_PREFIX@/var/tmp/"
+ /** Path to the system console. */
+ #define _PATH_CONSOLE "/dev/console"
+ 
+ /** Default shell search path. */
+-#define _PATH_DEFPATH "/sbin:/system/sbin:/product/bin:/apex/com.android.runtime/bin:/system/bin:/system/xbin:/odm/bin:/vendor/bin:/vendor/xbin"
++#define        _PATH_DEFPATH   "@TERMUX_PREFIX@/bin:@TERMUX_PREFIX@/bin/applets"
+ 
+ /** Path to the directory containing device files. */
+ #define _PATH_DEV "/dev/"
+@@ -63,3 +61,9 @@
+ 
+ /** Path to the calling process' tty. */
+ #define _PATH_TTY "/dev/tty"
++#define        _PATH_STDPATH   _PATH_DEFPATH
++#define        _PATH_TMP       "@TERMUX_PREFIX@/tmp/"
++#define        _PATH_VARDB     "@TERMUX_PREFIX@/var/db/"
++#define        _PATH_VARRUN    "@TERMUX_PREFIX@/var/run/"
++#define        _PATH_VARTMP    "@TERMUX_PREFIX@/var/tmp/"
 +
- #endif /* !_PATHS_H_ */
diff --git a/scripts/build/termux_step_setup_toolchain.sh b/scripts/build/termux_step_setup_toolchain.sh
index 4f1b6c9eba..6775d2469b 100644
--- a/scripts/build/termux_step_setup_toolchain.sh
+++ b/scripts/build/termux_step_setup_toolchain.sh
@@ -80,48 +80,51 @@ termux_step_setup_toolchain() {
 		elif [ "$TERMUX_ARCH" = "i686" ]; then
 			_NDK_ARCHNAME=x86
 		fi
-
-		"$NDK/build/tools/make_standalone_toolchain.py" \
-			--api "$TERMUX_PKG_API_LEVEL" \
-			--arch $_NDK_ARCHNAME \
-			--stl=libc++ \
-			--install-dir $_TERMUX_TOOLCHAIN_TMPDIR
+		cp $NDK/toolchains/llvm/prebuilt/linux-x86_64 $_TERMUX_TOOLCHAIN_TMPDIR -r
 
 		# Remove android-support header wrapping not needed on android-21:
 		rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/local
 
-		if [ "$TERMUX_ARCH" = "aarch64" ]; then
-			# Use gold by default to work around https://github.com/android-ndk/ndk/issues/148
-			cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld.gold \
-			    $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld
-			cp $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld.gold \
-			    $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
-		fi
+		# Use gold by default to work around https://github.com/android-ndk/ndk/issues/148
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld.gold \
+		    $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld.gold \
+		    $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
 
-		if [ "$TERMUX_ARCH" = "arm" ]; then
 			# Linker wrapper script to add '--exclude-libs libgcc.a', see
 			# https://github.com/android-ndk/ndk/issues/379
 			# https://android-review.googlesource.com/#/c/389852/
 			local linker
 			for linker in ld ld.bfd ld.gold; do
-				local wrap_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/bin/$linker
-				local real_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/bin/$linker.real
+				local wrap_linker=$_TERMUX_TOOLCHAIN_TMPDIR/arm-linux-androideabi/bin/$linker
+				local real_linker=$_TERMUX_TOOLCHAIN_TMPDIR/arm-linux-androideabi/bin/$linker.real
 				cp $wrap_linker $real_linker
 				echo '#!/bin/bash' > $wrap_linker
 				echo -n '$(dirname $0)/' >> $wrap_linker
 				echo -n $linker.real >> $wrap_linker
 				echo ' --exclude-libs libunwind.a --exclude-libs libgcc_real.a "$@"' >> $wrap_linker
 			done
-		fi
+		for HOST_PLAT in aarch64-linux-android armv7a-linux-androideabi i686-linux-android x86_64-linux-android; do
 
 		# Setup the cpp preprocessor:
-		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-clang \
-		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-cpp
-		sed -i 's/clang80/clang80 -E/' \
-		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-cpp
-
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang++ \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang++
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-cpp
+		sed -i 's/clang/clang -E/' \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-cpp
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-gcc 
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang++ \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-gcc
+		done
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/armv7a-linux-androideabi$TERMUX_PKG_API_LEVEL-clang \
+		$_TERMUX_TOOLCHAIN_TMPDIR/bin/arm-linux-androideabi-clang			
+		cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/armv7a-linux-androideabi$TERMUX_PKG_API_LEVEL-clang++ \
+		   $_TERMUX_TOOLCHAIN_TMPDIR/bin/arm-linux-androideabi-clang++
 		cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
-
 		for f in $TERMUX_SCRIPTDIR/ndk-patches/*.patch; do
 			sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$f" | \
 				sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
diff --git a/scripts/build/termux_step_start_build.sh b/scripts/build/termux_step_start_build.sh
index 98e9936155..a370a6636a 100644
--- a/scripts/build/termux_step_start_build.sh
+++ b/scripts/build/termux_step_start_build.sh
@@ -2,10 +2,10 @@ termux_step_start_build() {
 	# shellcheck source=/dev/null
 	source "$TERMUX_PKG_BUILDER_SCRIPT"
 
-	TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_COMMON_CACHEDIR/${TERMUX_NDK_VERSION}-${TERMUX_ARCH}-${TERMUX_PKG_API_LEVEL}"
+	TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_COMMON_CACHEDIR/android-r${TERMUX_NDK_VERSION}-api-${TERMUX_PKG_API_LEVEL}"
 	# Bump the below version if a change is made in toolchain setup to ensure
 	# that everyone gets an updated toolchain:
-	TERMUX_STANDALONE_TOOLCHAIN+="-v5"
+	TERMUX_STANDALONE_TOOLCHAIN+="-v1"
 
 	if [ -n "${TERMUX_PKG_BLACKLISTED_ARCHES:=""}" ] && [ "$TERMUX_PKG_BLACKLISTED_ARCHES" != "${TERMUX_PKG_BLACKLISTED_ARCHES/$TERMUX_ARCH/}" ]; then
 		echo "Skipping building $TERMUX_PKG_NAME for arch $TERMUX_ARCH"
diff --git a/scripts/properties.sh b/scripts/properties.sh
index 3c39fbe926..05243cf022 100644
--- a/scripts/properties.sh
+++ b/scripts/properties.sh
@@ -1,6 +1,6 @@
 TERMUX_ANDROID_BUILD_TOOLS_VERSION=28.0.3
-TERMUX_NDK_VERSION_NUM=19
-TERMUX_NDK_REVISION=b
+TERMUX_NDK_VERSION_NUM=20
+TERMUX_NDK_REVISION=""
 TERMUX_NDK_VERSION=$TERMUX_NDK_VERSION_NUM$TERMUX_NDK_REVISION
 
 test -f "$HOME/.termuxrc" && . "$HOME/.termuxrc"