Use -mthumb when building for arm
[termux-packages] / build-package.sh
index 347c8b3..f0f1190 100755 (executable)
@@ -62,7 +62,7 @@ termux_setup_golang() {
                termux_error_exit "Unsupported arch: $TERMUX_ARCH"
        fi
 
-       local TERMUX_GO_VERSION=go1.7.4
+       local TERMUX_GO_VERSION=go1.8rc1
        local TERMUX_GO_PLATFORM=linux-amd64
        test "$(uname)" = "Darwin" && TERMUX_GO_PLATFORM=darwin-amd64
 
@@ -79,6 +79,26 @@ termux_setup_golang() {
        ( 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 cmake.
+termux_setup_cmake() {
+       local TERMUX_CMAKE_MAJORVESION=3.7
+       local TERMUX_CMAKE_MINORVERSION=2
+       local TERMUX_CMAKE_VERSION=$TERMUX_CMAKE_MAJORVESION.$TERMUX_CMAKE_MINORVERSION
+       local TERMUX_CMAKE_TARNAME=cmake-${TERMUX_CMAKE_VERSION}-Linux-x86_64.tar.gz
+       local TERMUX_CMAKE_TARFILE=$TERMUX_PKG_TMPDIR/$TERMUX_CMAKE_TARNAME
+       local TERMUX_CMAKE_FOLDER=$TERMUX_COMMON_CACHEDIR/cmake-$TERMUX_CMAKE_VERSION
+       if [ ! -d $TERMUX_CMAKE_FOLDER ]; then
+               termux_download https://cmake.org/files/v$TERMUX_CMAKE_MAJORVESION/$TERMUX_CMAKE_TARNAME \
+                               $TERMUX_CMAKE_TARFILE \
+                               0e6ec35d4fa9bf79800118916b51928b6471d5725ff36f1d0de5ebb34dcd5406
+               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 \
+                  $TERMUX_CMAKE_FOLDER
+       fi
+       export PATH=$TERMUX_CMAKE_FOLDER/bin:$PATH
+}
+
 # First step is to handle command-line arguments. Not to be overridden by packages.
 termux_step_handle_arguments() {
        # shellcheck source=/dev/null
@@ -111,7 +131,7 @@ termux_step_handle_arguments() {
 
        # Handle 'all' arch:
        if [ -n "${TERMUX_ARCH+x}" ] && [ "${TERMUX_ARCH}" = 'all' ]; then
-               for arch in 'arm' 'i686' 'aarch64' 'x86_64'; do
+               for arch in 'aarch64' 'arm' 'i686' 'x86_64'; do
                        ./build-package.sh -a $arch "$1"
                done
                exit
@@ -187,7 +207,7 @@ termux_step_setup_variables() {
        TERMUX_STANDALONE_TOOLCHAIN="$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+="-v4"
+       TERMUX_STANDALONE_TOOLCHAIN+="-v9"
 
        export TERMUX_TAR="tar"
        export TERMUX_TOUCH="touch"
@@ -227,7 +247,8 @@ termux_step_setup_variables() {
        # Set if a host build should be done in TERMUX_PKG_HOSTBUILD_DIR:
        TERMUX_PKG_HOSTBUILD=""
        TERMUX_PKG_MAINTAINER="Fredrik Fornwall @fornwall"
-       TERMUX_PKG_CLANG=no
+       TERMUX_PKG_CLANG=yes # does nothing for cmake based packages. clang is chosen by cmake
+       TERMUX_PKG_FORCE_CMAKE=no # if the package has autotools as well as cmake, then set this to prefer cmake
 
        unset CFLAGS CPPFLAGS LDFLAGS CXXFLAGS
 }
@@ -410,20 +431,22 @@ termux_step_setup_toolchain() {
        # We put this after system PATH to avoid picking up toolchain stripped python
        export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
 
-       export AR=$TERMUX_HOST_PLATFORM-ar
+       export CFLAGS=""
+       export LDFLAGS="-L${TERMUX_PREFIX}/lib"
+
        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=$TERMUX_SCRIPTDIR/termux.spec"
+               LDFLAGS+=" -specs=$TERMUX_SCRIPTDIR/termux.spec"
+               CFLAGS+=" -specs=$TERMUX_SCRIPTDIR/termux.spec"
        else
-               export AS=${TERMUX_HOST_PLATFORM}-gcc
+               export AS=${TERMUX_HOST_PLATFORM}-clang
                export CC=$TERMUX_HOST_PLATFORM-clang
                export CXX=$TERMUX_HOST_PLATFORM-clang++
-               # TODO: clang does not have specs file, how to ensure pie
-               # binaries gets built?
-               _SPECSFLAG=""
        fi
+
+       export AR=$TERMUX_HOST_PLATFORM-ar
        export CPP=${TERMUX_HOST_PLATFORM}-cpp
        export CC_FOR_BUILD=gcc
        export LD=$TERMUX_HOST_PLATFORM-ld
@@ -434,24 +457,21 @@ termux_step_setup_toolchain() {
        export READELF=$TERMUX_HOST_PLATFORM-readelf
        export STRIP=$TERMUX_HOST_PLATFORM-strip
 
-       export CFLAGS="$_SPECSFLAG"
-       export LDFLAGS="$_SPECSFLAG -L${TERMUX_PREFIX}/lib"
        # Android 7 started to support DT_RUNPATH (but not DT_RPATH), so we may want
        # LDFLAGS+="-Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags"
        # and no longer remove DT_RUNPATH in termux-elf-cleaner.
 
        if [ "$TERMUX_ARCH" = "arm" ]; then
-               CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp"
-               # "first flag instructs the linker to pick libgcc.a, libgcov.a, and
-               # crt*.o, which are tailored for armv7-a"
-               # - https://developer.android.com/ndk/guides/standalone_toolchain.html
+               # https://developer.android.com/ndk/guides/standalone_toolchain.html#abi_compatibility:
+               # "We recommend using the -mthumb compiler flag to force the generation of 16-bit Thumb-2 instructions".
+               # With r13 of the ndk ruby 2.4.0 segfaults when built on arm with clang without -mthumb.
+               CFLAGS+=" -march=armv7-a -mfpu=neon -mfloat-abi=softfp -mthumb"
                LDFLAGS+=" -march=armv7-a -Wl,--fix-cortex-a8"
        elif [ "$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
@@ -480,7 +500,7 @@ termux_step_setup_toolchain() {
        if [ ! -d $TERMUX_STANDALONE_TOOLCHAIN ]; then
                # Do not put toolchain in place until we are done with setup, to avoid having a half setup
                # toolchain left in place if something goes wrong (or process is just aborted):
-               _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
+               local _TERMUX_TOOLCHAIN_TMPDIR=${TERMUX_STANDALONE_TOOLCHAIN}-tmp
                rm -Rf $_TERMUX_TOOLCHAIN_TMPDIR
 
                local _NDK_ARCHNAME=$TERMUX_ARCH
@@ -489,15 +509,36 @@ termux_step_setup_toolchain() {
                elif [ "$TERMUX_ARCH" = "i686" ]; then
                        _NDK_ARCHNAME=x86
                fi
+
                "$NDK/build/tools/make_standalone_toolchain.py" \
                        --api "$TERMUX_API_LEVEL" \
                        --arch $_NDK_ARCHNAME \
                        --install-dir $_TERMUX_TOOLCHAIN_TMPDIR
 
+               local wrapped plusplus CLANG_TARGET=$TERMUX_HOST_PLATFORM
+               if [ $TERMUX_ARCH = arm ]; then CLANG_TARGET=${CLANG_TARGET/arm-/armv7a-}; fi
+               for wrapped in ${TERMUX_HOST_PLATFORM}-clang clang; do
+                       for plusplus in "" "++"; do
+                               local FILE_TO_REPLACE=$_TERMUX_TOOLCHAIN_TMPDIR/bin/${wrapped}${plusplus}
+                               if [ ! -f $FILE_TO_REPLACE ]; then
+                                       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/" $FILE_TO_REPLACE
+                               sed -i "s/CLANG_TARGET/$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
+                       # 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
+                       cp $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld.gold \
+                          $_TERMUX_TOOLCHAIN_TMPDIR/aarch64-linux-android/bin/ld
                fi
 
                cd $_TERMUX_TOOLCHAIN_TMPDIR/sysroot
@@ -578,7 +619,7 @@ termux_step_pre_configure() {
        return
 }
 
-termux_step_configure() {
+termux_step_configure_autotools () {
        if [ ! -e "$TERMUX_PKG_SRCDIR/configure" ]; then return; fi
 
        DISABLE_STATIC="--disable-static"
@@ -633,7 +674,49 @@ termux_step_configure() {
                --libexecdir=$TERMUX_PREFIX/libexec
 }
 
-termux_step_post_configure() {
+termux_step_configure_cmake () {
+       termux_setup_cmake
+
+       local TOOLCHAIN_ARGS="-DCMAKE_ANDROID_STANDALONE_TOOLCHAIN=$TERMUX_STANDALONE_TOOLCHAIN"
+       local BUILD_TYPE=MinSizeRel
+       test -n "$TERMUX_DEBUG" && BUILD_TYPE=Debug
+
+       local CMAKE_PROC=$TERMUX_ARCH
+       test $CMAKE_PROC == "arm" && CMAKE_PROC='armv7-a'
+
+       # XXX: CMAKE_{AR,RANLIB} needed for at least jsoncpp build to not
+       # pick up cross compiled binutils tool in $PREFIX/bin:
+       cmake -G 'Unix Makefiles' $TERMUX_PKG_SRCDIR \
+               -DCMAKE_AR=`which $AR` \
+               -DCMAKE_RANLIB=`which $RANLIB` \
+               -DCMAKE_BUILD_TYPE=$BUILD_TYPE \
+               -DCMAKE_CROSSCOMPILING=True \
+               -DCMAKE_C_FLAGS="$CFLAGS $CPPFLAGS" \
+               -DCMAKE_CXX_FLAGS="$CXXFLAGS $CPPFLAGS" \
+               -DCMAKE_LINKER="$TERMUX_STANDALONE_TOOLCHAIN/bin/$LD $LDFLAGS" \
+               -DCMAKE_FIND_ROOT_PATH=$TERMUX_PREFIX \
+               -DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=ONLY \
+               -DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=ONLY \
+               -DCMAKE_INSTALL_PREFIX=$TERMUX_PREFIX \
+               -DCMAKE_MAKE_PROGRAM=`which make` \
+               -DCMAKE_SYSTEM_PROCESSOR=$CMAKE_PROC \
+               -DCMAKE_SYSTEM_NAME=Android \
+               -DCMAKE_SYSTEM_VERSION=21 \
+               -DCMAKE_SKIP_INSTALL_RPATH=ON \
+               -DCMAKE_USE_SYSTEM_LIBRARIES=True \
+               -DBUILD_TESTING=OFF \
+               $TERMUX_PKG_EXTRA_CONFIGURE_ARGS $TOOLCHAIN_ARGS
+}
+
+termux_step_configure () {
+       if [ "$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
+       fi
+}
+
+termux_step_post_configure () {
        return
 }
 
@@ -642,7 +725,7 @@ termux_step_make() {
                if [ -z "$TERMUX_PKG_EXTRA_MAKE_ARGS" ]; then
                        make -j $TERMUX_MAKE_PROCESSES
                else
-               make -j $TERMUX_MAKE_PROCESSES ${TERMUX_PKG_EXTRA_MAKE_ARGS}
+                       make -j $TERMUX_MAKE_PROCESSES ${TERMUX_PKG_EXTRA_MAKE_ARGS}
                fi
        fi
 }