termux-packages/packages/ndk-sysroot/build.sh

TERMUX_PKG_HOMEPAGE=https://developer.android.com/tools/sdk/ndk/index.html
TERMUX_PKG_DESCRIPTION="System header and library files from the Android NDK needed for compiling C programs"
TERMUX_PKG_LICENSE="NCSA"
TERMUX_PKG_VERSION=$TERMUX_NDK_VERSION
TERMUX_PKG_SKIP_SRC_EXTRACT=true
# This package has taken over <pty.h> from the previous libutil-dev
# and iconv.h from libandroid-support-dev:
TERMUX_PKG_CONFLICTS="libutil-dev, libgcc, libandroid-support-dev"
TERMUX_PKG_REPLACES="libutil-dev, libgcc, libandroid-support-dev, ndk-stl"
TERMUX_PKG_NO_STATICSPLIT=true

termux_step_extract_into_massagedir() {
	mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib \
		$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include

	cp -Rf $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/include/* \
		$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include

	patch -d $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/include/c++/v1  -p1 < $TERMUX_PKG_BUILDER_DIR/math-header.diff
	# disable for now
	# patch -d $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/ -p1 < $TERMUX_PKG_BUILDER_DIR/gcc_fixes.diff

	cp $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/$TERMUX_HOST_PLATFORM/$TERMUX_PKG_API_LEVEL/*.o \
		$TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib

	local LIBATOMIC_PATH=$TERMUX_STANDALONE_TOOLCHAIN/$TERMUX_HOST_PLATFORM/lib
	if [ $TERMUX_ARCH_BITS = 64 ]; then LIBATOMIC_PATH+="64"; fi
	if [ $TERMUX_ARCH = "arm" ]; then LIBATOMIC_PATH+="/armv7-a"; fi
	LIBATOMIC_PATH+="/libatomic.a"
	cp $LIBATOMIC_PATH $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/

	local LIBGCC_PATH=$TERMUX_STANDALONE_TOOLCHAIN/lib/gcc/$TERMUX_HOST_PLATFORM/4.9.x
	if [ $TERMUX_ARCH = "arm" ]; then LIBGCC_PATH+="/armv7-a"; fi
	cp $LIBGCC_PATH/* -r $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/
	cp $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/$TERMUX_HOST_PLATFORM/$TERMUX_PKG_API_LEVEL/libcompiler_rt-extras.a $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/
	# librt and libpthread are built into libc on android, so setup them as symlinks
	# to libc for compatibility with programs that users try to build:
	local _SYSTEM_LIBDIR=/system/lib64
	if [ $TERMUX_ARCH_BITS = 32 ]; then _SYSTEM_LIBDIR=/system/lib; fi
	mkdir -p $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib
	cd $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib
	if [ $TERMUX_ARCH = "arm" ]; then
		rm thumb -rf
		cp $TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/$TERMUX_HOST_PLATFORM/libunwind.a .
	fi

	for lib in librt.so libpthread.so libutil.so; do
		echo 'INPUT(-lc)' > $TERMUX_PKG_MASSAGEDIR/$TERMUX_PREFIX/lib/$lib
	done
	unset lib
}