194 lines
7.7 KiB
Bash
194 lines
7.7 KiB
Bash
termux_step_setup_toolchain() {
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[ "$TERMUX_PKG_METAPACKAGE" = "true" ] && return
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export CFLAGS=""
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export LDFLAGS="-L${TERMUX_PREFIX}/lib"
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export AS=$TERMUX_HOST_PLATFORM-clang
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export CC=$TERMUX_HOST_PLATFORM-clang
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export CXX=$TERMUX_HOST_PLATFORM-clang++
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export AR=$TERMUX_HOST_PLATFORM-ar
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export CPP=$TERMUX_HOST_PLATFORM-cpp
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export LD=$TERMUX_HOST_PLATFORM-ld
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export OBJCOPY=$TERMUX_HOST_PLATFORM-objcopy
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export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump
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export RANLIB=$TERMUX_HOST_PLATFORM-ranlib
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export READELF=$TERMUX_HOST_PLATFORM-readelf
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export STRIP=$TERMUX_HOST_PLATFORM-strip
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if [ "$TERMUX_ON_DEVICE_BUILD" = "false" ]; then
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export PATH=$TERMUX_STANDALONE_TOOLCHAIN/bin:$PATH
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export CC_FOR_BUILD=gcc
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export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config
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export CCTERMUX_HOST_PLATFORM=$TERMUX_HOST_PLATFORM$TERMUX_PKG_API_LEVEL
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if [ $TERMUX_ARCH = arm ]; then
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CCTERMUX_HOST_PLATFORM=armv7a-linux-androideabi$TERMUX_PKG_API_LEVEL
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fi
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else
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export CC_FOR_BUILD=$CC
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# Some build scripts use environment variable 'PKG_CONFIG', so
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# using this for on-device builds too.
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export PKG_CONFIG=pkg-config
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fi
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if [ "$TERMUX_ARCH" = "arm" ]; then
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# https://developer.android.com/ndk/guides/standalone_toolchain.html#abi_compatibility:
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# "We recommend using the -mthumb compiler flag to force the generation of 16-bit Thumb-2 instructions".
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# With r13 of the ndk ruby 2.4.0 segfaults when built on arm with clang without -mthumb.
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CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mthumb"
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LDFLAGS+=" -march=armv7-a"
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elif [ "$TERMUX_ARCH" = "i686" ]; then
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# From $NDK/docs/CPU-ARCH-ABIS.html:
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CFLAGS+=" -march=i686 -msse3 -mstackrealign -mfpmath=sse"
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elif [ "$TERMUX_ARCH" = "aarch64" ]; then
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:
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elif [ "$TERMUX_ARCH" = "x86_64" ]; then
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:
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else
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termux_error_exit "Invalid arch '$TERMUX_ARCH' - support arches are 'arm', 'i686', 'aarch64', 'x86_64'"
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fi
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# Android 7 started to support DT_RUNPATH (but not DT_RPATH).
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LDFLAGS+=" -Wl,-rpath=$TERMUX_PREFIX/lib,--enable-new-dtags"
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# Avoid linking extra (unneeded) libraries.
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LDFLAGS+=" -Wl,--as-needed"
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# Basic hardening.
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CFLAGS+=" -fstack-protector-strong"
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LDFLAGS+=" -Wl,-z,relro,-z,now"
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if [ "$TERMUX_DEBUG" = "true" ]; then
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CFLAGS+=" -g3 -O1 -D_FORTIFY_SOURCE=2"
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else
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CFLAGS+=" -Oz"
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fi
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export CXXFLAGS="$CFLAGS"
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export CPPFLAGS="-I${TERMUX_PREFIX}/include"
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# If libandroid-support is declared as a dependency, link to it explicitly:
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if [ "$TERMUX_PKG_DEPENDS" != "${TERMUX_PKG_DEPENDS/libandroid-support/}" ]; then
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LDFLAGS+=" -landroid-support"
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fi
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export ac_cv_func_getpwent=no
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export ac_cv_func_getpwnam=no
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export ac_cv_func_getpwuid=no
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export ac_cv_func_sigsetmask=no
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export ac_cv_c_bigendian=no
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if [ "$TERMUX_ON_DEVICE_BUILD" = "false" ] && [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
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# Do not put toolchain in place until we are done with setup, to avoid having a half setup
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# toolchain left in place if something goes wrong (or process is just aborted):
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local _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
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rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR
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local _NDK_ARCHNAME=$TERMUX_ARCH
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if [ "$TERMUX_ARCH" = "aarch64" ]; then
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_NDK_ARCHNAME=arm64
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elif [ "$TERMUX_ARCH" = "i686" ]; then
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_NDK_ARCHNAME=x86
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fi
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cp $NDK/toolchains/llvm/prebuilt/linux-x86_64 $_TERMUX_TOOLCHAIN_TMPDIR -r
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# Remove android-support header wrapping not needed on android-21:
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rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/local
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# Use gold by default to work around https://github.com/android-ndk/ndk/issues/148
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld.gold \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/aarch64-linux-android-ld
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cp $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld.gold \
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$_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
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# Linker wrapper script to add '--exclude-libs libgcc.a', see
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# https://github.com/android-ndk/ndk/issues/379
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# https://android-review.googlesource.com/#/c/389852/
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local linker
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for linker in ld ld.bfd ld.gold; do
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local wrap_linker=$_TERMUX_TOOLCHAIN_TMPDIR/arm-linux-androideabi/bin/$linker
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local real_linker=$_TERMUX_TOOLCHAIN_TMPDIR/arm-linux-androideabi/bin/$linker.real
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cp $wrap_linker $real_linker
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echo '#!/bin/bash' > $wrap_linker
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echo -n '$(dirname $0)/' >> $wrap_linker
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echo -n $linker.real >> $wrap_linker
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echo ' --exclude-libs libunwind.a --exclude-libs libgcc_real.a "$@"' >> $wrap_linker
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done
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for HOST_PLAT in aarch64-linux-android armv7a-linux-androideabi i686-linux-android x86_64-linux-android; do
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang++ \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang++
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT$TERMUX_PKG_API_LEVEL-clang \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-cpp
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sed -i 's/clang/clang -E/' \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-cpp
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-gcc
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-clang++ \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$HOST_PLAT-g++
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done
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/armv7a-linux-androideabi$TERMUX_PKG_API_LEVEL-clang \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/arm-linux-androideabi-clang
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/armv7a-linux-androideabi$TERMUX_PKG_API_LEVEL-clang++ \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/arm-linux-androideabi-clang++
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/armv7a-linux-androideabi-cpp \
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/arm-linux-androideabi-cpp
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cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
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for f in $TERMUX_SCRIPTDIR/ndk-patches/*.patch; do
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sed "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" "$f" | \
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sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
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patch --silent -p1;
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done
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# libintl.h: Inline implementation gettext functions.
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# langinfo.h: Inline implementation of nl_langinfo().
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cp "$TERMUX_SCRIPTDIR"/ndk-patches/{libintl.h,langinfo.h} usr/include
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# Remove <sys/capability.h> because it is provided by libcap.
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# Remove <sys/shm.h> from the NDK in favour of that from the libandroid-shmem.
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# Remove <sys/sem.h> as it doesn't work for non-root.
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# Remove <glob.h> as we currently provide it from libandroid-glob.
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# Remove <iconv.h> as it's provided by libiconv.
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# Remove <spawn.h> as it's only for future (later than android-27).
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# Remove <zlib.h> and <zconf.h> as we build our own zlib
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rm usr/include/sys/{capability.h,shm.h,sem.h} usr/include/{glob.h,iconv.h,spawn.h,zlib.h,zconf.h}
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sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \
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usr/include/android/api-level.h
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$TERMUX_ELF_CLEANER usr/lib/*/*/*.so
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grep -lrw $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/include/c++/v1 -e '<version>' | xargs -n 1 sed -i 's/<version>/\"version\"/g'
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mv $_TERMUX_TOOLCHAIN_TMPDIR $TERMUX_STANDALONE_TOOLCHAIN
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fi
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# On Android 7, libutil functionality is provided by libc.
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# But many programs still may search for libutil.
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if [ ! -f $TERMUX_PREFIX/lib/libutil.so ]; then
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mkdir -p "$TERMUX_PREFIX/lib"
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echo 'INPUT(-lc)' > $TERMUX_PREFIX/lib/libutil.so
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fi
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export PKG_CONFIG_LIBDIR="$TERMUX_PKG_CONFIG_LIBDIR"
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if [ "$TERMUX_ON_DEVICE_BUILD" = "false" ]; then
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# Create a pkg-config wrapper. We use path to host pkg-config to
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# avoid picking up a cross-compiled pkg-config later on.
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local _HOST_PKGCONFIG
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_HOST_PKGCONFIG=$(which pkg-config)
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mkdir -p $TERMUX_STANDALONE_TOOLCHAIN/bin "$PKG_CONFIG_LIBDIR"
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cat > "$PKG_CONFIG" <<-HERE
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#!/bin/sh
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export PKG_CONFIG_DIR=
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export PKG_CONFIG_LIBDIR=$PKG_CONFIG_LIBDIR
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exec $_HOST_PKGCONFIG "\$@"
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HERE
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chmod +x "$PKG_CONFIG"
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fi
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}
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