Henrik Grimler
6 years ago
committed by
Leonid Plyushch
Leonid Plyushch
2 changed files with 199 additions and 198 deletions
@ -0,0 +1,198 @@ |
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termux_step_setup_toolchain() { |
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# We put this after system PATH to avoid picking up toolchain stripped python |
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export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin |
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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 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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export AR=$TERMUX_HOST_PLATFORM-ar |
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export CPP=${TERMUX_HOST_PLATFORM}-cpp |
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export CC_FOR_BUILD=gcc |
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export LD=$TERMUX_HOST_PLATFORM-ld |
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export OBJDUMP=$TERMUX_HOST_PLATFORM-objdump |
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# Setup pkg-config for cross-compiling: |
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export PKG_CONFIG=$TERMUX_STANDALONE_TOOLCHAIN/bin/${TERMUX_HOST_PLATFORM}-pkg-config |
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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=$TERMUX_HOST_PLATFORM-strip |
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# Android 7 started to support DT_RUNPATH (but not DT_RPATH), so we may want |
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# LDFLAGS+="-Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags" |
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# and no longer remove DT_RUNPATH in termux-elf-cleaner. |
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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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if [ -n "$TERMUX_DEBUG" ]; then |
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CFLAGS+=" -g3 -O1 -fstack-protector --param ssp-buffer-size=4 -D_FORTIFY_SOURCE=2" |
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else |
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if [ $TERMUX_ARCH = arm ]; then |
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CFLAGS+=" -Os" |
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else |
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CFLAGS+=" -Oz" |
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fi |
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fi |
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|
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export CXXFLAGS="$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 [ ! -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 $_TERMUX_TOOLCHAIN_TMPDIR |
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|
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local _NDK_ARCHNAME=$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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|
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"$NDK/build/tools/make_standalone_toolchain.py" \ |
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--api "$TERMUX_PKG_API_LEVEL" \ |
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--arch $_NDK_ARCHNAME \ |
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--stl=libc++ \ |
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--install-dir $_TERMUX_TOOLCHAIN_TMPDIR |
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# Remove android-support header wrapping not needed on android-21: |
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rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR/sysroot/usr/local |
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if [ "$TERMUX_ARCH" = "aarch64" ]; then |
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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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fi |
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if [ "$TERMUX_ARCH" = "arm" ]; then |
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# Linker wrapper script to add '--exclude-libs libgcc.a', see |
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# https://github.com/android-ndk/ndk/issues/379 |
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# https://android-review.googlesource.com/#/c/389852/ |
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local linker |
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for linker in ld ld.bfd ld.gold; do |
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local wrap_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/bin/$linker |
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local real_linker=$_TERMUX_TOOLCHAIN_TMPDIR/$TERMUX_HOST_PLATFORM/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 >> $wrap_linker |
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echo ' --exclude-libs libgcc.a "$@"' >> $wrap_linker |
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done |
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fi |
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# Setup the cpp preprocessor: |
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cp $_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-clang \ |
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-cpp |
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sed -i 's/clang80/clang80 -E/' \ |
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$_TERMUX_TOOLCHAIN_TMPDIR/bin/$TERMUX_HOST_PLATFORM-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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# elf.h: Taken from glibc since the elf.h in the NDK is lacking. |
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# ifaddrs.h: Added in android-24 unified headers, use a inline implementation for now. |
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# langinfo.h: Inline implementation of nl_langinfo(). |
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# iconv.h: Header for iconv, implemented in libandroid-support. |
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cp "$TERMUX_SCRIPTDIR"/ndk-patches/{ifaddrs.h,libintl.h,langinfo.h,iconv.h} usr/include |
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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 <spawn.h> as it's only for future (later than android-27). |
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rm usr/include/sys/{shm.h,sem.h} usr/include/{glob.h,spawn.h} |
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sed -i "s/define __ANDROID_API__ __ANDROID_API_FUTURE__/define __ANDROID_API__ $TERMUX_PKG_API_LEVEL/" \ |
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usr/include/android/api-level.h |
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|
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$TERMUX_ELF_CLEANER usr/lib/*/*/*.so |
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|
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# zlib is really version 1.2.8 in the Android platform (at least |
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# starting from Android 5), not older as the NDK headers claim. |
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for file in zconf.h zlib.h; do |
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curl -o usr/include/$file \ |
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https://raw.githubusercontent.com/madler/zlib/v1.2.8/$file |
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done |
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unset file |
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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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local _STL_LIBFILE_NAME=libc++_shared.so |
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if [ ! -f $TERMUX_PREFIX/lib/libstdc++.so ]; then |
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# Setup libc++_shared.so in $PREFIX/lib and libstdc++.so as a link to it, |
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# so that other C++ using packages links to it instead of the default android |
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# C++ library which does not support exceptions or STL: |
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# https://developer.android.com/ndk/guides/cpp-support.html |
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# We do however want to avoid installing this, to avoid problems where e.g. |
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# libm.so on some i686 devices links against libstdc++.so. |
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# The libc++_shared.so library will be packaged in the libc++ package |
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# which is part of the base Termux installation. |
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mkdir -p "$TERMUX_PREFIX/lib" |
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cd "$TERMUX_PREFIX/lib" |
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local _STL_LIBFILE=$TERMUX_STANDALONE_TOOLCHAIN/sysroot/usr/lib/${TERMUX_HOST_PLATFORM}/$_STL_LIBFILE_NAME |
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cp "$_STL_LIBFILE" . |
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$STRIP --strip-unneeded $_STL_LIBFILE_NAME |
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$TERMUX_ELF_CLEANER $_STL_LIBFILE_NAME |
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if [ $TERMUX_ARCH = "arm" ]; then |
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# Use a linker script to get libunwind.a. |
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echo 'INPUT(-lunwind -lc++_shared)' > libstdc++.so |
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else |
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ln -f $_STL_LIBFILE_NAME libstdc++.so |
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fi |
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fi |
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export PKG_CONFIG_LIBDIR="$TERMUX_PKG_CONFIG_LIBDIR" |
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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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} |
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