X-Git-Url: https://git.distorted.org.uk/~mdw/termux-packages/blobdiff_plain/c9d4e74fa11c94958961e840c6aaf9af8d12d08d..fbf6030533fad61342a7f0b97a082a4ff44d63a3:/build-package.sh

diff --git a/build-package.sh b/build-package.sh
index 2790f6f7..b009c45e 100755
--- a/build-package.sh
+++ b/build-package.sh
@@ -70,7 +70,7 @@ termux_setup_golang() {
 		termux_error_exit "Unsupported arch: $TERMUX_ARCH"
 	fi
 
-	local TERMUX_GO_VERSION=go1.8rc3
+	local TERMUX_GO_VERSION=go1.9
 	local TERMUX_GO_PLATFORM=linux-amd64
 
 	local TERMUX_BUILDGO_FOLDER=$TERMUX_COMMON_CACHEDIR/${TERMUX_GO_VERSION}
@@ -83,13 +83,83 @@ termux_setup_golang() {
 	rm -Rf "$TERMUX_COMMON_CACHEDIR/go" "$TERMUX_BUILDGO_FOLDER"
 	termux_download https://storage.googleapis.com/golang/${TERMUX_GO_VERSION}.${TERMUX_GO_PLATFORM}.tar.gz \
 	                "$TERMUX_BUILDGO_TAR" \
-	                0ff3faba02ac83920a65b453785771e75f128fbf9ba4ad1d5e72c044103f9c7a
+	                d70eadefce8e160638a9a6db97f7192d8463069ab33138893ad3bf31b0650a79
+
 	( cd "$TERMUX_COMMON_CACHEDIR"; tar xf "$TERMUX_BUILDGO_TAR"; mv go "$TERMUX_BUILDGO_FOLDER"; rm "$TERMUX_BUILDGO_TAR" )
 }
 
+# Utility function for cmake-built packages to setup a current ninja.
+termux_setup_ninja() {
+	local NINJA_VERSION=1.7.2
+	local NINJA_FOLDER=$TERMUX_COMMON_CACHEDIR/ninja-$NINJA_VERSION
+	if [ ! -x $NINJA_FOLDER/ninja ]; then
+		mkdir -p $NINJA_FOLDER
+		local NINJA_ZIP_FILE=$TERMUX_PKG_TMPDIR/ninja-$NINJA_VERSION.zip
+		termux_download https://github.com/ninja-build/ninja/releases/download/v$NINJA_VERSION/ninja-linux.zip \
+			$NINJA_ZIP_FILE \
+			38fa8cfb9c1632a5cdf7a32fe1a7c5aa89e96c1d492c28624f4cc018e68458b9
+		unzip $NINJA_ZIP_FILE -d $NINJA_FOLDER
+	fi
+	export PATH=$NINJA_FOLDER:$PATH
+}
+
+# Utility function for cmake-built packages to setup a current meson.
+termux_setup_meson() {
+	termux_setup_ninja
+	local MESON_VERSION=0.42.0
+	local MESON_FOLDER=$TERMUX_COMMON_CACHEDIR/meson-$MESON_VERSION
+	if [ ! -d "$MESON_FOLDER" ]; then
+		local MESON_TAR_NAME=meson-$MESON_VERSION.tar.gz
+		local MESON_TAR_FILE=$TERMUX_PKG_TMPDIR/$MESON_TAR_NAME
+		termux_download \
+			https://github.com/mesonbuild/meson/releases/download/$MESON_VERSION/meson-$MESON_VERSION.tar.gz \
+			$MESON_TAR_FILE \
+			a74c7387a3dd8171e931bcd948355f7f9529368eae72c3c22a9beef6c2e73498
+		tar xf "$MESON_TAR_FILE" -C "$TERMUX_COMMON_CACHEDIR"
+		(cd $MESON_FOLDER && patch -p1 < $TERMUX_SCRIPTDIR/scripts/meson-android.patch)
+	fi
+	TERMUX_MESON="$MESON_FOLDER/meson.py"
+	TERMUX_MESON_CROSSFILE=$TERMUX_COMMON_CACHEDIR/meson-crossfile-$TERMUX_ARCH-v1.txt
+	if [ ! -f $TERMUX_MESON_CROSSFILE ]; then
+		local MESON_CPU MESON_CPU_FAMILY
+		if [ $TERMUX_ARCH = "arm" ]; then
+			MESON_CPU_FAMILY="arm"
+			MESON_CPU="armv7"
+		elif [ $TERMUX_ARCH = "i686" ]; then
+			MESON_CPU_FAMILY="x86"
+			MESON_CPU="i686"
+		elif [ $TERMUX_ARCH = "x86_64" ]; then
+			MESON_CPU_FAMILY="x86_64"
+			MESON_CPU="x86_64"
+		elif [ $TERMUX_ARCH = "aarch64" ]; then
+			MESON_CPU_FAMILY="arm"
+			MESON_CPU="aarch64"
+		else
+			termux_error_exit "Unsupported arch: $TERMUX_ARCH"
+		fi
+
+		cat > $TERMUX_MESON_CROSSFILE <<-HERE
+			[binaries]
+			ar = '$AR'
+			c = '$CC'
+			cpp = '$CXX'
+			ld = '$LD'
+			pkg-config = '$PKG_CONFIG'
+			strip = '$STRIP'
+			[properties]
+			needs_exe_wrapper = true
+			[host_machine]
+			cpu_family = '$MESON_CPU_FAMILY'
+			cpu = '$MESON_CPU'
+			endian = 'little'
+			system = 'android'
+		HERE
+	fi
+}
+
 # Utility function for cmake-built packages to setup a current cmake.
 termux_setup_cmake() {
-	local TERMUX_CMAKE_MAJORVESION=3.7
+	local TERMUX_CMAKE_MAJORVESION=3.9
 	local TERMUX_CMAKE_MINORVERSION=2
 	local TERMUX_CMAKE_VERSION=$TERMUX_CMAKE_MAJORVESION.$TERMUX_CMAKE_MINORVERSION
 	local TERMUX_CMAKE_TARNAME=cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64.tar.gz
@@ -98,7 +168,7 @@ termux_setup_cmake() {
 	if [ ! -d "$TERMUX_CMAKE_FOLDER" ]; then
 		termux_download https://cmake.org/files/v$TERMUX_CMAKE_MAJORVESION/$TERMUX_CMAKE_TARNAME \
 		                "$TERMUX_CMAKE_TARFILE" \
-		                0e6ec35d4fa9bf79800118916b51928b6471d5725ff36f1d0de5ebb34dcd5406
+				f4e1e848e21c3fba134fbddd793860ba9a17c35d0aeaa3bd83149a6ec1bf9fbb
 		rm -Rf "$TERMUX_PKG_TMPDIR/cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64"
 		tar xf "$TERMUX_CMAKE_TARFILE" -C "$TERMUX_PKG_TMPDIR"
 		mv "$TERMUX_PKG_TMPDIR/cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64" \
@@ -157,6 +227,8 @@ termux_step_handle_arguments() {
 		if [ ! -d "$1" ]; then termux_error_exit "'$1' seems to be a path but is not a directory"; fi
 		export TERMUX_PKG_BUILDER_DIR
 		TERMUX_PKG_BUILDER_DIR=$(realpath "$1")
+		# Skip depcheck for external package:
+		TERMUX_SKIP_DEPCHECK=true
 	else
 		# Package name:
 		if [ -n "${TERMUX_IS_DISABLED=""}" ]; then
@@ -175,15 +247,15 @@ termux_step_handle_arguments() {
 termux_step_setup_variables() {
 	: "${ANDROID_HOME:="${HOME}/lib/android-sdk"}"
 	: "${NDK:="${HOME}/lib/android-ndk"}"
-	: "${TERMUX_MAKE_PROCESSES:="4"}"
+	: "${TERMUX_MAKE_PROCESSES:="$(nproc)"}"
 	: "${TERMUX_TOPDIR:="$HOME/.termux-build"}"
 	: "${TERMUX_ARCH:="aarch64"}" # arm, aarch64, i686 or x86_64.
 	: "${TERMUX_PREFIX:="/data/data/com.termux/files/usr"}"
 	: "${TERMUX_ANDROID_HOME:="/data/data/com.termux/files/home"}"
 	: "${TERMUX_DEBUG:=""}"
-	: "${TERMUX_API_LEVEL:="21"}"
-	: "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="25.0.1"}"
-	: "${TERMUX_NDK_VERSION:="13"}"
+	: "${TERMUX_PKG_API_LEVEL:="21"}"
+	: "${TERMUX_ANDROID_BUILD_TOOLS_VERSION:="26.0.1"}"
+	: "${TERMUX_NDK_VERSION:="15.2"}"
 
 	if [ "x86_64" = "$TERMUX_ARCH" ] || [ "aarch64" = "$TERMUX_ARCH" ]; then
 		TERMUX_ARCH_BITS=64
@@ -208,23 +280,13 @@ termux_step_setup_variables() {
 	# to avoid stuff like arm-linux-androideabi-ld there to conflict with ones from
 	# the standalone toolchain.
 	TERMUX_DX=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/dx
-	TERMUX_JACK=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jack.jar
-	TERMUX_JILL=$ANDROID_HOME/build-tools/$TERMUX_ANDROID_BUILD_TOOLS_VERSION/jill.jar
 
 	TERMUX_COMMON_CACHEDIR="$TERMUX_TOPDIR/_cache"
 	TERMUX_DEBDIR="$TERMUX_SCRIPTDIR/debs"
 	TERMUX_ELF_CLEANER=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner
 
-	TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/toolchain-${TERMUX_ARCH}-ndk${TERMUX_NDK_VERSION}-api${TERMUX_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+="-v10"
-
-	export TERMUX_TAR="tar"
-	export TERMUX_TOUCH="touch"
 	export prefix=${TERMUX_PREFIX}
 	export PREFIX=${TERMUX_PREFIX}
-	export PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
 
 	TERMUX_PKG_BUILDDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/build
 	TERMUX_PKG_CACHEDIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/cache
@@ -242,13 +304,16 @@ termux_step_setup_variables() {
 	TERMUX_PKG_EXTRA_MAKE_ARGS=""
 	TERMUX_PKG_BUILD_IN_SRC=""
 	TERMUX_PKG_RM_AFTER_INSTALL=""
+	TERMUX_PKG_BREAKS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-binarydeps
 	TERMUX_PKG_DEPENDS=""
+	TERMUX_PKG_BUILD_DEPENDS=""
 	TERMUX_PKG_HOMEPAGE=""
 	TERMUX_PKG_DESCRIPTION="FIXME:Add description"
 	TERMUX_PKG_FOLDERNAME=""
 	TERMUX_PKG_KEEP_STATIC_LIBRARIES="false"
 	TERMUX_PKG_ESSENTIAL=""
 	TERMUX_PKG_CONFLICTS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-conflicts
+	TERMUX_PKG_RECOMMENDS="" # https://www.debian.org/doc/debian-policy/ch-relationships.html#s-binarydeps
 	TERMUX_PKG_REPLACES=""
 	TERMUX_PKG_CONFFILES=""
 	TERMUX_PKG_INCLUDE_IN_DEVPACKAGE=""
@@ -278,7 +343,9 @@ termux_step_handle_buildarch() {
 			if test -e "$TERMUX_DATA_PREVIOUS_BACKUPDIR"; then
 				termux_error_exit "Directory already exists"
 			fi
-			mv /data/data "$TERMUX_DATA_PREVIOUS_BACKUPDIR"
+			if [ -d /data/data ]; then
+				mv /data/data "$TERMUX_DATA_PREVIOUS_BACKUPDIR"
+			fi
 			# Restore new one (if any)
 			if [ -d "$TERMUX_DATA_CURRENT_BACKUPDIR" ]; then
 				mv "$TERMUX_DATA_CURRENT_BACKUPDIR" /data/data
@@ -295,6 +362,11 @@ termux_step_start_build() {
 	# shellcheck source=/dev/null
 	source "$TERMUX_PKG_BUILDER_SCRIPT"
 
+	TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/${TERMUX_NDK_VERSION}-${TERMUX_ARCH}-${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+="-v14"
+
 	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 $TERMUX_ARCH"
 		exit 0
@@ -341,14 +413,18 @@ termux_step_start_build() {
 		 "$TERMUX_PKG_TMPDIR" \
 		 "$TERMUX_PKG_CACHEDIR" \
 		 "$TERMUX_PKG_MASSAGEDIR" \
-		 $PKG_CONFIG_LIBDIR \
 		 $TERMUX_PREFIX/{bin,etc,lib,libexec,share,tmp,include}
 
 	# Make $TERMUX_PREFIX/bin/sh executable on the builder, so that build
 	# scripts can assume that it works on both builder and host later on:
 	ln -f -s /bin/sh "$TERMUX_PREFIX/bin/sh"
 
-	TERMUX_ELF_CLEANER_SRC=$TERMUX_SCRIPTDIR/packages/termux-elf-cleaner/termux-elf-cleaner.cpp
+	local TERMUX_ELF_CLEANER_SRC=$TERMUX_COMMON_CACHEDIR/termux-elf-cleaner.cpp
+	local TERMUX_ELF_CLEANER_VERSION=$(bash -c ". $TERMUX_SCRIPTDIR/packages/termux-elf-cleaner/build.sh; echo \$TERMUX_PKG_VERSION")
+	termux_download \
+		https://raw.githubusercontent.com/termux/termux-elf-cleaner/v$TERMUX_ELF_CLEANER_VERSION/termux-elf-cleaner.cpp \
+		$TERMUX_ELF_CLEANER_SRC \
+		11a38372f4d0e36b7556382c7ecffecae35cee8b68daaee2dbee025f758e17ee
 	if [ "$TERMUX_ELF_CLEANER_SRC" -nt "$TERMUX_ELF_CLEANER" ]; then
 		g++ -std=c++11 -Wall -Wextra -pedantic -Os "$TERMUX_ELF_CLEANER_SRC" -o "$TERMUX_ELF_CLEANER"
 	fi
@@ -361,8 +437,11 @@ termux_step_start_build() {
 	echo "termux - building $TERMUX_PKG_NAME for arch $TERMUX_ARCH..."
 	test -t 1 && printf "\033]0;%s...\007" "$TERMUX_PKG_NAME"
 
-	# Add a pkg-config file for the system zlib
-	cat > "$PKG_CONFIG_LIBDIR/zlib.pc" <<-HERE
+	# Avoid exporting PKG_CONFIG_LIBDIR until after termux_step_host_build.
+	export TERMUX_PKG_CONFIG_LIBDIR=$TERMUX_PREFIX/lib/pkgconfig
+	# Add a pkg-config file for the system zlib.
+	mkdir -p "$TERMUX_PKG_CONFIG_LIBDIR"
+	cat > "$TERMUX_PKG_CONFIG_LIBDIR/zlib.pc" <<-HERE
 		Name: zlib
 		Description: zlib compression library
 		Version: 1.2.8
@@ -391,7 +470,7 @@ termux_step_extract_package() {
 	termux_download "$TERMUX_PKG_SRCURL" "$file" "$TERMUX_PKG_SHA256"
 
 	if [ "x$TERMUX_PKG_FOLDERNAME" = "x" ]; then
-		folder=`basename $filename .tar.bz2` && folder=`basename $folder .tar.gz` && folder=`basename $folder .tar.xz` && folder=`basename $folder .tar.lz` && folder=`basename $folder .tgz` && folder=`basename $folder .zip`
+		folder="${filename%%.t*}" && folder="${folder%%.zip}"
 		folder="${folder/_/-}" # dpkg uses _ in tar filename, but - in folder
 	else
 		folder=$TERMUX_PKG_FOLDERNAME
@@ -400,7 +479,7 @@ termux_step_extract_package() {
 	if [ "${file##*.}" = zip ]; then
 		unzip -q "$file"
 	else
-		$TERMUX_TAR xf "$file"
+		tar xf "$file"
 	fi
 	mv $folder "$TERMUX_PKG_SRCDIR"
 }
@@ -477,7 +556,7 @@ termux_step_setup_toolchain() {
 		# "We recommend using the -mthumb compiler flag to force the generation of 16-bit Thumb-2 instructions".
 		# With r13 of the ndk ruby 2.4.0 segfaults when built on arm with clang without -mthumb.
 		CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mthumb"
-		LDFLAGS+=" -march=armv7-a -Wl,--fix-cortex-a8"
+		LDFLAGS+=" -march=armv7-a"
 	elif [ "$TERMUX_ARCH" = "i686" ]; then
 		# From $NDK/docs/CPU-ARCH-ABIS.html:
 		CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
@@ -492,7 +571,18 @@ termux_step_setup_toolchain() {
 	if [ -n "$TERMUX_DEBUG" ]; then
 		CFLAGS+=" -g3 -O1 -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
 	else
-		CFLAGS+=" -Os"
+		if [ "$TERMUX_PKG_CLANG" = "no" ]; then
+			CFLAGS+=" -Os"
+		else
+			if [ "$TERMUX_PKG_NAME" = "ruby" -a "$TERMUX_ARCH" = arm ]; then
+				# This exception is to avoid a broken ruby on 32-bit arm
+				# with NDK r15c and ruby 2.4.2 - see #1520.
+				CFLAGS+=" -O1"
+			else
+				# -Oz seems good for clang, see https://github.com/android-ndk/ndk/issues/133
+				CFLAGS+=" -Oz"
+			fi
+		fi
 	fi
 
 	export CXXFLAGS="$CFLAGS"
@@ -507,6 +597,7 @@ termux_step_setup_toolchain() {
 	export ac_cv_func_getpwent=no
 	export ac_cv_func_getpwnam=no
 	export ac_cv_func_getpwuid=no
+	export ac_cv_func_sigsetmask=no
 
 	if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
 		# Do not put toolchain in place until we are done with setup, to avoid having a half setup
@@ -522,10 +613,14 @@ termux_step_setup_toolchain() {
 		fi
 
 		"$NDK/build/tools/make_standalone_toolchain.py" \
-			--api "$TERMUX_API_LEVEL" \
+			--api "$TERMUX_PKG_API_LEVEL" \
 			--arch $_NDK_ARCHNAME \
+			--stl=libc++ \
 			--install-dir $_TERMUX_TOOLCHAIN_TMPDIR
 
+		# Remove android-support header wrapping not needed on android-21:
+		rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/local
+
 		local wrapped plusplus CLANG_TARGET=$TERMUX_HOST_PLATFORM
 		if [ $TERMUX_ARCH = arm ]; then CLANG_TARGET=${CLANG_TARGET/arm-/armv7a-}; fi
 		for wrapped in ${TERMUX_HOST_PLATFORM}-clang clang; do
@@ -535,16 +630,12 @@ termux_step_setup_toolchain() {
 					termux_error_exit "No toolchain file to override: $FILE_TO_REPLACE"
 				fi
 				cp "$TERMUX_SCRIPTDIR/scripts/clang-pie-wrapper" $FILE_TO_REPLACE
-				sed -i "s/COMPILER/clang38$plusplus/" $FILE_TO_REPLACE
+				sed -i "s/COMPILER/clang50$plusplus/" $FILE_TO_REPLACE
 				sed -i "s/CLANG_TARGET/$CLANG_TARGET/" $FILE_TO_REPLACE
 			done
 		done
 
-		if [ "$TERMUX_ARCH" = "arm" ]; then
-			# Fix to allow e.g. <bits/c++config.h> to be included:
-			cp $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x/arm-linux-androideabi/armv7-a/bits/* \
-				$_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x/bits
-		elif [ "$TERMUX_ARCH" = "aarch64" ]; then
+		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
@@ -552,32 +643,60 @@ termux_step_setup_toolchain() {
 			   $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
 		fi
 
+		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
+				cp $wrap_linker $real_linker
+				echo '#!/bin/bash' > $wrap_linker
+				echo -n '`dirname $0`/' >> $wrap_linker
+				echo -n $linker.real >> $wrap_linker
+				echo ' --exclude-libs libgcc.a "$@"' >> $wrap_linker
+			done
+		fi
+
 		cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
 
-		for f in $TERMUX_SCRIPTDIR/ndk_patches/*.patch; do
+		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" | \
 				patch --silent -p1;
 		done
-		# elf.h is taken from glibc since the elf.h in the NDK is lacking.
-		# sysexits.h is header-only and used by a few programs.
-		cp "$TERMUX_SCRIPTDIR"/ndk_patches/{elf.h,sysexits.h} $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/include
+		# elf.h: Taken from glibc since the elf.h in the NDK is lacking.
+		# sysexits.h: Header-only and used by a few programs.
+		# ifaddrs.h: Added in android-24 unified headers, use a inline implementation for now.
+		cp "$TERMUX_SCRIPTDIR"/ndk-patches/{elf.h,sysexits.h,ifaddrs.h,libintl.h} usr/include
+
+		# Remove <sys/shm.h> from the NDK in favour of that from the libandroid-shmem.
+		# Also remove <sys/sem.h> as it doesn't work for non-root.
+		rm usr/include/sys/{shm.h,sem.h}
 
-		$TERMUX_ELF_CLEANER usr/lib/*.so
+		sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \
+			usr/include/android/api-level.h
+
+		local _LIBDIR=usr/lib
+		if [ $TERMUX_ARCH = x86_64 ]; then _LIBDIR+=64; fi
+		$TERMUX_ELF_CLEANER $_LIBDIR/*.so
 
 		# zlib is really version 1.2.8 in the Android platform (at least
 		# starting from Android 5), not older as the NDK headers claim.
 		for file in zconf.h zlib.h; do
-			curl -o $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/include/$file \
+			curl -o usr/include/$file \
 			        https://raw.githubusercontent.com/madler/zlib/v1.2.8/$file
 		done
 		unset file
-
+		cd $_TERMUX_TOOLCHAIN_TMPDIR/include/c++/4.9.x
+                sed "s%\@TERMUX_HOST_PLATFORM\@%${TERMUX_HOST_PLATFORM}%g" $TERMUX_SCRIPTDIR/ndk-patches/*.cpppatch | patch -p1
 		mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
 	fi
 
+	local _STL_LIBFILE_NAME=libc++_shared.so
 	if [ ! -f $TERMUX_PREFIX/lib/libstdc++.so ]; then
-		# Setup libgnustl_shared.so in $PREFIX/lib and libstdc++.so as a symlink to it,
+		# Setup libgnustl_shared.so in $PREFIX/lib and libstdc++.so as a link to it,
 		# so that other C++ using packages links to it instead of the default android
 		# C++ library which does not support exceptions or STL:
 		# https://developer.android.com/ndk/guides/cpp-support.html
@@ -587,16 +706,28 @@ termux_step_setup_toolchain() {
 		# which is part of the base Termux installation.
 		mkdir -p "$TERMUX_PREFIX/lib"
 		cd "$TERMUX_PREFIX/lib"
-		_STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/libgnustl_shared.so
+
+		local _STL_LIBFILE=
 		if [ "$TERMUX_ARCH" = arm ]; then
-			_STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/libgnustl_shared.so
+			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/$_STL_LIBFILE_NAME
 		elif [ "$TERMUX_ARCH" = x86_64 ]; then
-			_STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/libgnustl_shared.so
+			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/$_STL_LIBFILE_NAME
+		else
+			local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/$_STL_LIBFILE_NAME
 		fi
+
 		cp "$_STL_LIBFILE" .
-		ln -f -s libgnustl_shared.so libstdc++.so
+		$STRIP --strip-unneeded $_STL_LIBFILE_NAME
+		$TERMUX_ELF_CLEANER $_STL_LIBFILE_NAME
+		if [ $TERMUX_ARCH = "arm" ]; then
+			# Use a linker script to get libunwind.a.
+			echo 'INPUT(-lunwind -lc++_shared)' > libstdc++.so
+		else
+			ln -f $_STL_LIBFILE_NAME libstdc++.so
+		fi
 	fi
 
+	export PKG_CONFIG_LIBDIR="$TERMUX_PKG_CONFIG_LIBDIR"
 	# Create a pkg-config wrapper. We use path to host pkg-config to
 	# avoid picking up a cross-compiled pkg-config later on.
 	local _HOST_PKGCONFIG
@@ -615,12 +746,18 @@ termux_step_setup_toolchain() {
 termux_step_patch_package() {
 	cd "$TERMUX_PKG_SRCDIR"
 	# Suffix patch with ".patch32" or ".patch64" to only apply for these bitnesses:
+	shopt -s nullglob
 	for patch in $TERMUX_PKG_BUILDER_DIR/*.patch{$TERMUX_ARCH_BITS,}; do
 		test -f "$patch" && sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$patch" | \
 			sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
 			patch --silent -p1
 	done
+	shopt -u nullglob
+}
 
+# Replace autotools build-aux/config.{sub,guess} with ours to add android targets.
+termux_step_replace_guess_scripts () {
+	cd "$TERMUX_PKG_SRCDIR"
 	find . -name config.sub -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.sub" '{}' \;
 	find . -name config.guess -exec chmod u+w '{}' \; -exec cp "$TERMUX_SCRIPTDIR/scripts/config.guess" '{}' \;
 }
@@ -653,6 +790,10 @@ termux_step_configure_autotools () {
 	if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--host=/}" ]; then
 		HOST_FLAG=""
 	fi
+	LIBEXEC_FLAG="--libexecdir=$TERMUX_PREFIX/libexec"
+        if [ "$TERMUX_PKG_EXTRA_CONFIGURE_ARGS" != "${TERMUX_PKG_EXTRA_CONFIGURE_ARGS/--libexecdir=/}" ]; then
+                LIBEXEC_FLAG=""
+        fi
 
 	# Some packages provides a $PKG-config script which some configure scripts pickup instead of pkg-config:
 	mkdir "$TERMUX_PKG_TMPDIR/config-scripts"
@@ -661,19 +802,58 @@ termux_step_configure_autotools () {
 	done
 	export PATH=$TERMUX_PKG_TMPDIR/config-scripts:$PATH
 
-	# See http://wiki.buici.com/xwiki/bin/view/Programing+C+and+C%2B%2B/Autoconf+and+RPL_MALLOC
-	# about this problem which may cause linker errors in test scripts not undef:ing malloc and
-	# also cause problems with e.g. malloc interceptors such as libgc:
-	local AVOID_AUTOCONF_WRAPPERS="ac_cv_func_malloc_0_nonnull=yes ac_cv_func_realloc_0_nonnull=yes"
-	# Similarly, disable gnulib's rpl_getcwd(). It returns the wrong value, affecting zile. See
-	# <https://github.com/termux/termux-packages/issues/76>.
-	AVOID_AUTOCONF_WRAPPERS+=" gl_cv_func_getcwd_null=yes gl_cv_func_getcwd_posix_signature=yes gl_cv_func_getcwd_path_max=yes gl_cv_func_getcwd_abort_bug=no"
-	AVOID_AUTOCONF_WRAPPERS+=" gl_cv_header_working_fcntl_h=yes gl_cv_func_fcntl_f_dupfd_cloexec=yes gl_cv_func_fcntl_f_dupfd_works=yes"
-	# Remove rpl_gettimeofday reference when building at least coreutils:
-	AVOID_AUTOCONF_WRAPPERS+=" gl_cv_func_tzset_clobber=no gl_cv_func_gettimeofday_clobber=no gl_cv_func_gettimeofday_posix_signature=yes"
-
-	# NOTE: We do not want to quote AVOID_AUTOCONF_WRAPPERS as we want word expansion.
-	env $AVOID_AUTOCONF_WRAPPERS "$TERMUX_PKG_SRCDIR/configure" \
+	# Avoid gnulib wrapping of functions when cross compiling. See
+	# http://wiki.osdev.org/Cross-Porting_Software#Gnulib
+	# https://gitlab.com/sortix/sortix/wikis/Gnulib
+	# https://github.com/termux/termux-packages/issues/76
+	local AVOID_GNULIB=""
+	AVOID_GNULIB+=" ac_cv_func_calloc_0_nonnull=yes"
+	AVOID_GNULIB+=" ac_cv_func_chown_works=yes"
+	AVOID_GNULIB+=" ac_cv_func_getgroups_works=yes"
+	AVOID_GNULIB+=" ac_cv_func_malloc_0_nonnull=yes"
+	AVOID_GNULIB+=" ac_cv_func_realloc_0_nonnull=yes"
+	AVOID_GNULIB+=" am_cv_func_working_getline=yes"
+	AVOID_GNULIB+=" gl_cv_func_dup2_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_fcntl_f_dupfd_cloexec=yes"
+	AVOID_GNULIB+=" gl_cv_func_fcntl_f_dupfd_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_fnmatch_posix=yes"
+	AVOID_GNULIB+=" gl_cv_func_getcwd_abort_bug=no"
+	AVOID_GNULIB+=" gl_cv_func_getcwd_null=yes"
+	AVOID_GNULIB+=" gl_cv_func_getcwd_path_max=yes"
+	AVOID_GNULIB+=" gl_cv_func_getcwd_posix_signature=yes"
+	AVOID_GNULIB+=" gl_cv_func_gettimeofday_clobber=no"
+	AVOID_GNULIB+=" gl_cv_func_gettimeofday_posix_signature=yes"
+	AVOID_GNULIB+=" gl_cv_func_link_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_lstat_dereferences_slashed_symlink=yes"
+	AVOID_GNULIB+=" gl_cv_func_malloc_0_nonnull=yes"
+	AVOID_GNULIB+=" gl_cv_func_memchr_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_mkdir_trailing_dot_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_mkdir_trailing_slash_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_mkfifo_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_realpath_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_select_detects_ebadf=yes"
+	AVOID_GNULIB+=" gl_cv_func_snprintf_posix=yes"
+	AVOID_GNULIB+=" gl_cv_func_snprintf_retval_c99=yes"
+	AVOID_GNULIB+=" gl_cv_func_snprintf_truncation_c99=yes"
+	AVOID_GNULIB+=" gl_cv_func_stat_dir_slash=yes"
+	AVOID_GNULIB+=" gl_cv_func_stat_file_slash=yes"
+	AVOID_GNULIB+=" gl_cv_func_strerror_0_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_symlink_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_tzset_clobber=no"
+	AVOID_GNULIB+=" gl_cv_func_unlink_honors_slashes=yes"
+	AVOID_GNULIB+=" gl_cv_func_unlink_honors_slashes=yes"
+	AVOID_GNULIB+=" gl_cv_func_vsnprintf_posix=yes"
+	AVOID_GNULIB+=" gl_cv_func_vsnprintf_zerosize_c99=yes"
+	AVOID_GNULIB+=" gl_cv_func_wcwidth_works=yes"
+	AVOID_GNULIB+=" gl_cv_func_working_getdelim=yes"
+	AVOID_GNULIB+=" gl_cv_func_working_mkstemp=yes"
+	AVOID_GNULIB+=" gl_cv_func_working_mktime=yes"
+	AVOID_GNULIB+=" gl_cv_func_working_strerror=yes"
+	AVOID_GNULIB+=" gl_cv_header_working_fcntl_h=yes"
+	AVOID_GNULIB+=" gl_cv_C_locale_sans_EILSEQ=yes"
+
+	# NOTE: We do not want to quote AVOID_GNULIB as we want word expansion.
+	env $AVOID_GNULIB "$TERMUX_PKG_SRCDIR/configure" \
 		--disable-dependency-tracking \
 		--prefix=$TERMUX_PREFIX \
 		--disable-rpath --disable-rpath-hack \
@@ -682,7 +862,7 @@ termux_step_configure_autotools () {
 		$DISABLE_NLS \
 		$ENABLE_SHARED \
 		$DISABLE_STATIC \
-		--libexecdir=$TERMUX_PREFIX/libexec
+		$LIBEXEC_FLAG
 }
 
 termux_step_configure_cmake () {
@@ -699,6 +879,7 @@ termux_step_configure_cmake () {
 	# pick up cross compiled binutils tool in $PREFIX/bin:
 	cmake -G 'Unix Makefiles' "$TERMUX_PKG_SRCDIR" \
 		-DCMAKE_AR="$(which $AR)" \
+		-DCMAKE_UNAME="$(which uname)" \
 		-DCMAKE_RANLIB="$(which $RANLIB)" \
 		-DCMAKE_BUILD_TYPE=$BUILD_TYPE \
 		-DCMAKE_CROSSCOMPILING=True \
@@ -719,11 +900,26 @@ termux_step_configure_cmake () {
 		$TERMUX_PKG_EXTRA_CONFIGURE_ARGS $TOOLCHAIN_ARGS
 }
 
+termux_step_configure_meson () {
+	termux_setup_meson
+	CC=gcc CXX=g++ $TERMUX_MESON \
+		$TERMUX_PKG_SRCDIR \
+		$TERMUX_PKG_BUILDDIR \
+		--cross-file $TERMUX_MESON_CROSSFILE \
+		--prefix $TERMUX_PREFIX \
+		--libdir lib \
+		--buildtype minsize \
+		--strip \
+		$TERMUX_PKG_EXTRA_CONFIGURE_ARGS
+}
+
 termux_step_configure () {
 	if [ "$TERMUX_PKG_FORCE_CMAKE" == 'no' ] && [ -f "$TERMUX_PKG_SRCDIR/configure" ]; then
 		termux_step_configure_autotools
 	elif [ -f "$TERMUX_PKG_SRCDIR/CMakeLists.txt" ]; then
 		termux_step_configure_cmake
+	elif [ -f "$TERMUX_PKG_SRCDIR/meson.build" ]; then
+		termux_step_configure_meson
 	fi
 }
 
@@ -750,6 +946,8 @@ termux_step_make_install() {
 		else
 			make -j 1 ${TERMUX_PKG_EXTRA_MAKE_ARGS} ${TERMUX_PKG_MAKE_INSTALL_TARGET}
 		fi
+	elif test -f build.ninja; then
+		ninja install
 	fi
 }
 
@@ -763,12 +961,14 @@ termux_step_extract_into_massagedir() {
 
 	# Build diff tar with what has changed during the build:
 	cd $TERMUX_PREFIX
-	$TERMUX_TAR -N "$TERMUX_BUILD_TS_FILE" -czf "$TARBALL_ORIG" .
+	tar -N "$TERMUX_BUILD_TS_FILE" \
+		--exclude='lib/libc++_shared.so' --exclude='lib/libstdc++.so' \
+		-czf "$TARBALL_ORIG" .
 
 	# Extract tar in order to massage it
 	mkdir -p "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
 	cd "$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX"
-	$TERMUX_TAR xf "$TARBALL_ORIG"
+	tar xf "$TARBALL_ORIG"
 	rm "$TARBALL_ORIG"
 }
 
@@ -805,10 +1005,11 @@ termux_step_massage() {
 	# Move over sbin to bin:
 	for file in sbin/*; do if test -f "$file"; then mv "$file" bin/; fi; done
 
-        # Remove world permissions and add write permissions.
+	# Remove world permissions and add write permissions.
 	# The -f flag is used to suppress warnings about dangling symlinks (such
 	# as ones to /system/... which may not exist on the build machine):
-        find . -exec chmod -f u+w,o-rwx \{\} \;
+        find . -exec chmod -f u+w,g-rwx,o-rwx \{\} \;
+
 	if [ "$TERMUX_DEBUG" = "" ]; then
 		# Strip binaries. file(1) may fail for certain unusual files, so disable pipefail.
 		set +e +o pipefail
@@ -833,7 +1034,7 @@ termux_step_massage() {
 	if [ -d include ] && [ -z "${TERMUX_PKG_NO_DEVELSPLIT}" ]; then
 		# Add virtual -dev sub package if there are include files:
 		local _DEVEL_SUBPACKAGE_FILE=$TERMUX_PKG_TMPDIR/${TERMUX_PKG_NAME}-dev.subpackage.sh
-		echo TERMUX_SUBPKG_INCLUDE=\"include share/man/man3 lib/pkgconfig share/aclocal lib/cmake $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
+		echo TERMUX_SUBPKG_INCLUDE=\"include share/vala share/man/man3 lib/pkgconfig share/aclocal lib/cmake $TERMUX_PKG_INCLUDE_IN_DEVPACKAGE\" > "$_DEVEL_SUBPACKAGE_FILE"
 		echo "TERMUX_SUBPKG_DESCRIPTION=\"Development files for ${TERMUX_PKG_NAME}\"" >> "$_DEVEL_SUBPACKAGE_FILE"
 		if [ -n "$TERMUX_PKG_DEVPACKAGE_DEPENDS" ]; then
 			echo "TERMUX_SUBPKG_DEPENDS=\"$TERMUX_PKG_NAME,$TERMUX_PKG_DEVPACKAGE_DEPENDS\"" >> "$_DEVEL_SUBPACKAGE_FILE"
@@ -852,6 +1053,8 @@ termux_step_massage() {
 		local SUB_PKG_DIR=$TERMUX_TOPDIR/$TERMUX_PKG_NAME/subpackages/$SUB_PKG_NAME
 		local TERMUX_SUBPKG_DEPENDS=""
 		local TERMUX_SUBPKG_CONFLICTS=""
+		local TERMUX_SUBPKG_REPLACES=""
+		local TERMUX_SUBPKG_CONFFILES=""
 		local SUB_PKG_MASSAGE_DIR=$SUB_PKG_DIR/massage/$TERMUX_PREFIX
 		local SUB_PKG_PACKAGE_DIR=$SUB_PKG_DIR/package
 		mkdir -p "$SUB_PKG_MASSAGE_DIR" "$SUB_PKG_PACKAGE_DIR"
@@ -876,7 +1079,7 @@ termux_step_massage() {
 		cd "$SUB_PKG_DIR/massage"
 		local SUB_PKG_INSTALLSIZE
 		SUB_PKG_INSTALLSIZE=$(du -sk . | cut -f 1)
-		$TERMUX_TAR -cJf "$SUB_PKG_PACKAGE_DIR/data.tar.xz" .
+		tar -cJf "$SUB_PKG_PACKAGE_DIR/data.tar.xz" .
 
 		mkdir -p DEBIAN
 		cd DEBIAN
@@ -891,7 +1094,10 @@ termux_step_massage() {
 		HERE
 		test ! -z "$TERMUX_SUBPKG_DEPENDS" && echo "Depends: $TERMUX_SUBPKG_DEPENDS" >> control
 		test ! -z "$TERMUX_SUBPKG_CONFLICTS" && echo "Conflicts: $TERMUX_SUBPKG_CONFLICTS" >> control
-		$TERMUX_TAR -cJf "$SUB_PKG_PACKAGE_DIR/control.tar.xz" .
+		test ! -z "$TERMUX_SUBPKG_REPLACES" && echo "Replaces: $TERMUX_SUBPKG_REPLACES" >> control
+		tar -cJf "$SUB_PKG_PACKAGE_DIR/control.tar.xz" .
+
+		for f in $TERMUX_SUBPKG_CONFFILES; do echo "$TERMUX_PREFIX/$f" >> conffiles; done
 
 		# Create the actual .deb file:
 		TERMUX_SUBPKG_DEBFILE=$TERMUX_DEBDIR/${SUB_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${SUB_PKG_ARCH}.deb
@@ -919,10 +1125,16 @@ termux_step_post_massage() {
 termux_step_create_datatar() {
 	# Create data tarball containing files to package:
 	cd "$TERMUX_PKG_MASSAGEDIR"
+
+	local HARDLINKS="$(find . -type f -links +1)"
+	if [ -n "$HARDLINKS" ]; then
+		termux_error_exit "Package contains hard links: $HARDLINKS"
+	fi
+
 	if [ -z "${TERMUX_PKG_METAPACKAGE+x}" ] && [ "$(find . -type f)" = "" ]; then
 		termux_error_exit "No files in package"
 	fi
-	$TERMUX_TAR -cJf "$TERMUX_PKG_PACKAGEDIR/data.tar.xz" .
+	tar -cJf "$TERMUX_PKG_PACKAGEDIR/data.tar.xz" .
 }
 
 termux_step_create_debscripts() {
@@ -948,9 +1160,11 @@ termux_step_create_debfile() {
 		Description: $TERMUX_PKG_DESCRIPTION
 		Homepage: $TERMUX_PKG_HOMEPAGE
 	HERE
+	test ! -z "$TERMUX_PKG_BREAKS" && echo "Breaks: $TERMUX_PKG_BREAKS" >> DEBIAN/control
 	test ! -z "$TERMUX_PKG_DEPENDS" && echo "Depends: $TERMUX_PKG_DEPENDS" >> DEBIAN/control
 	test ! -z "$TERMUX_PKG_ESSENTIAL" && echo "Essential: yes" >> DEBIAN/control
 	test ! -z "$TERMUX_PKG_CONFLICTS" && echo "Conflicts: $TERMUX_PKG_CONFLICTS" >> DEBIAN/control
+	test ! -z "$TERMUX_PKG_RECOMMENDS" && echo "Recommends: $TERMUX_PKG_RECOMMENDS" >> DEBIAN/control
 	test ! -z "$TERMUX_PKG_REPLACES" && echo "Replaces: $TERMUX_PKG_REPLACES" >> DEBIAN/control
 
 	# Create DEBIAN/conffiles (see https://www.debian.org/doc/debian-policy/ap-pkg-conffiles.html):
@@ -962,7 +1176,7 @@ termux_step_create_debfile() {
 	termux_step_create_debscripts
 
 	# Create control.tar.xz
-	$TERMUX_TAR -cJf "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" .
+	tar -cJf "$TERMUX_PKG_PACKAGEDIR/control.tar.xz" .
 
 	test ! -f "$TERMUX_COMMON_CACHEDIR/debian-binary" && echo "2.0" > "$TERMUX_COMMON_CACHEDIR/debian-binary"
 	TERMUX_PKG_DEBFILE=$TERMUX_DEBDIR/${TERMUX_PKG_NAME}_${TERMUX_PKG_FULLVERSION}_${TERMUX_ARCH}.deb
@@ -992,7 +1206,8 @@ termux_step_post_extract_package
 termux_step_handle_hostbuild
 termux_step_setup_toolchain
 termux_step_patch_package
-cd "$TERMUX_PKG_BUILDDIR"
+termux_step_replace_guess_scripts
+cd "$TERMUX_PKG_SRCDIR"
 termux_step_pre_configure
 cd "$TERMUX_PKG_BUILDDIR"
 termux_step_configure