+# Compute standalone toolchain dir, bitness of arch and name of host platform:
+TERMUX_STANDALONE_TOOLCHAIN="$TERMUX_TOPDIR/_lib/toolchain-${TERMUX_ARCH}-ndk${TERMUX_NDK_VERSION}-api${TERMUX_API_LEVEL}-"
+if [ "$TERMUX_PKG_CLANG" = "no" ]; then
+ TERMUX_STANDALONE_TOOLCHAIN+="gcc4.9"
+else
+ TERMUX_STANDALONE_TOOLCHAIN+="clang38"
+fi
+# Bump the below version if a change is made in toolchain setup, to ensure
+# that everyone gets an updated toolchain:
+TERMUX_STANDALONE_TOOLCHAIN+="-v1"
+
+# We put this after system PATH to avoid picking up toolchain stripped python
+export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
+
+if [ "x86_64" = $TERMUX_ARCH -o "aarch64" = $TERMUX_ARCH ]; then
+ TERMUX_ARCH_BITS=64
+else
+ TERMUX_ARCH_BITS=32
+fi
+TERMUX_HOST_PLATFORM="${TERMUX_ARCH}-linux-android"
+if [ $TERMUX_ARCH = "arm" ]; then TERMUX_HOST_PLATFORM="${TERMUX_HOST_PLATFORM}eabi"; fi
+
+export AR=$TERMUX_HOST_PLATFORM-ar
+if [ "$TERMUX_PKG_CLANG" = "no" ]; then
+ export AS=${TERMUX_HOST_PLATFORM}-gcc
+ export CC=$TERMUX_HOST_PLATFORM-gcc
+ export CXX=$TERMUX_HOST_PLATFORM-g++
+ _SPECSFLAG="-specs=$TERMUX_SCRIPTDIR/termux.spec"
+else
+ export AS=${TERMUX_HOST_PLATFORM}-gcc
+ export CC=$TERMUX_HOST_PLATFORM-clang
+ export CXX=$TERMUX_HOST_PLATFORM-clang++
+ # TODO: clang does not have specs file, how to ensure pie
+ # binaries gets built?
+ _SPECSFLAG=""
+fi
+export CPP=${TERMUX_HOST_PLATFORM}-cpp
+export CC_FOR_BUILD=gcc
+export LD=$TERMUX_HOST_PLATFORM-ld
+export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump
+# Setup pkg-config for cross-compiling:
+export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config
+export RANLIB=$TERMUX_HOST_PLATFORM-ranlib
+export READELF=$TERMUX_HOST_PLATFORM-readelf
+export STRIP=$TERMUX_HOST_PLATFORM-strip
+
+export CFLAGS="$_SPECSFLAG"
+export LDFLAGS="$_SPECSFLAG -L${TERMUX_PREFIX}/lib"
+
+if [ "$TERMUX_ARCH" = "arm" ]; then
+ CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp"
+ # "first flag instructs the linker to pick libgcc.a, libgcov.a, and
+ # crt*.o, which are tailored for armv7-a"
+ # - https://developer.android.com/ndk/guides/standalone_toolchain.html
+ LDFLAGS+=" -march=armv7-a -Wl,--fix-cortex-a8"
+elif [ $TERMUX_ARCH = "i686" ]; then
+ # From $NDK/docs/CPU-ARCH-ABIS.html:
+ CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
+elif [ $TERMUX_ARCH = "aarch64" ]; then
+ LDFLAGS+=" -Wl,-rpath-link,$TERMUX_PREFIX/lib"
+ LDFLAGS+=" -Wl,-rpath-link,$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib"
+elif [ $TERMUX_ARCH = "x86_64" ]; then
+ :
+else
+ echo "Error: Invalid arch '$TERMUX_ARCH' - support arches are 'arm', 'i686', 'aarch64', 'x86_64'"
+ exit 1
+fi
+
+if [ -n "$TERMUX_DEBUG" ]; then
+ CFLAGS+=" -g3 -Og -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2"
+else
+ CFLAGS+=" -Os"
+fi
+
+export CXXFLAGS="$CFLAGS"
+export CPPFLAGS="-I${TERMUX_PREFIX}/include"
+
+export ac_cv_func_getpwent=no
+export ac_cv_func_getpwnam=no
+export ac_cv_func_getpwuid=no
+
+if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
+ # See https://developer.android.com/ndk/guides/standalone_toolchain.html about toolchain naming.
+ if [ "i686" = $TERMUX_ARCH ]; then
+ _TERMUX_NDK_TOOLCHAIN_NAME="x86"
+ elif [ "x86_64" = $TERMUX_ARCH ]; then
+ _TERMUX_NDK_TOOLCHAIN_NAME="x86_64"
+ else
+ _TERMUX_NDK_TOOLCHAIN_NAME="$TERMUX_HOST_PLATFORM"
+ fi
+
+ if [ "$TERMUX_PKG_CLANG" = "" ]; then
+ _TERMUX_TOOLCHAIN="${_TERMUX_NDK_TOOLCHAIN_NAME}-4.9"
+ else
+ _TERMUX_TOOLCHAIN="${_TERMUX_NDK_TOOLCHAIN_NAME}-clang"
+ fi
+
+ # Do not put toolchain in place until we are done with setup, to avoid having a half setup
+ # toolchain left in place if something goes wrong (or process is just aborted):
+ _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
+ rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR
+
+ bash $NDK/build/tools/make-standalone-toolchain.sh --platform=android-$TERMUX_API_LEVEL --toolchain=${_TERMUX_TOOLCHAIN} \
+ --install-dir=$_TERMUX_TOOLCHAIN_TMPDIR
+ if [ "arm" = $TERMUX_ARCH ]; 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
+ fi
+ 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" | \
+ 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
+ mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
+fi
+
+if [ ! -f $TERMUX_PREFIX/lib/libstdc++.so ]; then
+ # Setup libgnustl_shared.so in $PREFIX/lib and libstdc++.so as a symlink 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
+ # We do however want to avoid installing this, to avoid problems # where e.g.
+ # libm.so on some i686 devices links against libstdc++.so.
+ # The libgnustl_shared.so library will be packaged in the libgnustl package
+ # 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
+ if [ $TERMUX_ARCH = arm ]; then
+ _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib/armv7-a/libgnustl_shared.so
+ elif [ $TERMUX_ARCH = x86_64 ]; then
+ _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/${TERMUX_HOST_PLATFORM}/lib64/libgnustl_shared.so
+ fi
+ cp $_STL_LIBFILE .
+ ln -f -s libgnustl_shared.so libstdc++.so
+fi
+
+if [ ! -f $PKG_CONFIG ]; then
+ echo "Creating pkg-config wrapper..."
+ # We use path to host pkg-config to avoid picking up a cross-compiled pkg-config later on
+ _HOST_PKGCONFIG=`which pkg-config`
+ mkdir -p $TERMUX_STANDALONE_TOOLCHAIN/bin $PKG_CONFIG_LIBDIR
+ cat > $PKG_CONFIG <<HERE
+#!/bin/sh
+export PKG_CONFIG_DIR=
+export PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR
+# export PKG_CONFIG_SYSROOT_DIR=${TERMUX_PREFIX}
+exec $_HOST_PKGCONFIG "\$@"
+HERE
+ chmod +x $PKG_CONFIG
+
+ # Add a pkg-config file for the system zlib
+ cat > $PKG_CONFIG_LIBDIR/zlib.pc <<HERE
+Name: zlib
+Description: zlib compression library
+Version: 1.2.3
+
+Requires:
+Libs: -L$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib -lz
+Cflags: -I$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/include
+HERE
+fi
+
+
~mdw / termux-packages / commitdiff