| # |
| # Copyright (C) 2011 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| # This file contains various shell function definitions that can be |
| # used to either build a static and shared libraries from sources, or |
| # generate a Makefile to do it in parallel. |
| # |
| |
| _BUILD_TAB=$(echo " " | tr ' ' '\t') |
| |
| builder_command () |
| { |
| if [ -z "$_BUILD_MK" ]; then |
| echo "$@" |
| "$@" |
| else |
| echo "${_BUILD_TAB}$@" >> $_BUILD_MK |
| fi |
| } |
| |
| |
| builder_log () |
| { |
| if [ "$_BUILD_MK" ]; then |
| echo "${_BUILD_TAB}echo $@" >> $_BUILD_MK |
| else |
| log "$@" |
| fi |
| } |
| |
| # $1: Build directory |
| # $2: Optional Makefile name |
| builder_begin () |
| { |
| _BUILD_DIR_NEW= |
| _BUILD_DIR=$1 |
| if [ ! -d "$_BUILD_DIR" ]; then |
| mkdir -p "$_BUILD_DIR" |
| fail_panic "Can't create build directory: $_BUILD_DIR" |
| _BUILD_DIR_NEW=true |
| else |
| rm -rf "$_BUILD_DIR/*" |
| fail_panic "Can't cleanup build directory: $_BUILD_DIR" |
| fi |
| _BUILD_TARGETS= |
| _BUILD_PREFIX= |
| _BUILD_MK=$2 |
| if [ -n "$_BUILD_MK" ]; then |
| log "Creating temporary build Makefile: $_BUILD_MK" |
| rm -f $_BUILD_MK && |
| echo "# Auto-generated by $0 - do not edit!" > $_BUILD_MK |
| echo ".PHONY: all" >> $_BUILD_MK |
| echo "all:" >> $_BUILD_MK |
| fi |
| |
| builder_begin_module |
| } |
| |
| # $1: Variable name |
| # out: Variable value |
| _builder_varval () |
| { |
| eval echo "\$$1" |
| } |
| |
| _builder_varadd () |
| { |
| local _varname="$1" |
| local _varval="$(_builder_varval $_varname)" |
| shift |
| if [ -z "$_varval" ]; then |
| eval $_varname=\"$@\" |
| else |
| eval $_varname=\$$_varname\" $@\" |
| fi |
| } |
| |
| |
| builder_set_prefix () |
| { |
| _BUILD_PREFIX="$@" |
| } |
| |
| builder_begin_module () |
| { |
| _BUILD_CC= |
| _BUILD_CXX= |
| _BUILD_AR= |
| _BUILD_C_INCLUDES= |
| _BUILD_CFLAGS= |
| _BUILD_CXXFLAGS= |
| _BUILD_LDFLAGS_BEGIN_SO= |
| _BUILD_LDFLAGS_END_SO= |
| _BUILD_LDFLAGS_BEGIN_EXE= |
| _BUILD_LDFLAGS_END_EXE= |
| _BUILD_LDFLAGS= |
| _BUILD_BINPREFIX= |
| _BUILD_DSTDIR= |
| _BUILD_SRCDIR=. |
| _BUILD_OBJECTS= |
| _BUILD_STATIC_LIBRARIES= |
| _BUILD_SHARED_LIBRARIES= |
| _BUILD_COMPILER_RUNTIME_LDFLAGS=-lgcc |
| } |
| |
| builder_set_binprefix () |
| { |
| _BUILD_BINPREFIX=$1 |
| _BUILD_CC=${1}gcc |
| _BUILD_CXX=${1}g++ |
| _BUILD_AR=${1}ar |
| } |
| |
| builder_set_binprefix_llvm () |
| { |
| _BUILD_BINPREFIX=$1 |
| _BUILD_CC=${1}/clang |
| _BUILD_CXX=${1}/clang++ |
| _BUILD_AR=${2}ar |
| } |
| |
| builder_set_builddir () |
| { |
| _BUILD_DIR=$1 |
| } |
| |
| builder_set_srcdir () |
| { |
| _BUILD_SRCDIR=$1 |
| } |
| |
| builder_set_dstdir () |
| { |
| _BUILD_DSTDIR=$1 |
| } |
| |
| builder_ldflags () |
| { |
| _builder_varadd _BUILD_LDFLAGS "$@" |
| } |
| |
| builder_ldflags_exe () |
| { |
| _builder_varadd _BUILD_LDFLAGS_EXE "$@" |
| } |
| |
| builder_cflags () |
| { |
| _builder_varadd _BUILD_CFLAGS "$@" |
| } |
| |
| builder_cxxflags () |
| { |
| _builder_varadd _BUILD_CXXFLAGS "$@" |
| } |
| |
| builder_c_includes () |
| { |
| _builder_varadd _BUILD_C_INCLUDES "$@" |
| } |
| |
| # $1: optional var to hold the original cflags before reset |
| builder_reset_cflags () |
| { |
| local _varname="$1" |
| if [ -n "$_varname" ] ; then |
| eval $_varname=\"$_BUILD_CFLAGS\" |
| fi |
| _BUILD_CFLAGS= |
| } |
| |
| # $1: optional var to hold the original cxxflags before reset |
| builder_reset_cxxflags () |
| { |
| local _varname="$1" |
| if [ -n "$_varname" ] ; then |
| eval $_varname=\"$_BUILD_CXXFLAGS\" |
| fi |
| _BUILD_CXXFLAGS= |
| } |
| |
| # $1: optional var to hold the original c_includes before reset |
| builder_reset_c_includes () |
| { |
| local _varname="$1" |
| if [ -n "$_varname" ] ; then |
| eval $_varname=\"$_BUILD_C_INCLUDES\" |
| fi |
| _BUILD_C_INCLUDES= |
| } |
| |
| builder_compiler_runtime_ldflags () |
| { |
| _BUILD_COMPILER_RUNTIME_LDFLAGS=$1 |
| } |
| |
| builder_link_with () |
| { |
| local LIB |
| for LIB; do |
| case $LIB in |
| *.a) |
| _builder_varadd _BUILD_STATIC_LIBRARIES $LIB |
| ;; |
| *.so) |
| _builder_varadd _BUILD_SHARED_LIBRARIES $LIB |
| ;; |
| *) |
| echo "ERROR: Unknown link library extension: $LIB" |
| exit 1 |
| esac |
| done |
| } |
| |
| builder_sources () |
| { |
| local src srcfull obj cc cflags text |
| if [ -z "$_BUILD_DIR" ]; then |
| panic "Build directory not set!" |
| fi |
| if [ -z "$_BUILD_CC" ]; then |
| _BUILD_CC=${CC:-gcc} |
| fi |
| if [ -z "$_BUILD_CXX" ]; then |
| _BUILD_CXX=${CXX:-g++} |
| fi |
| for src in "$@"; do |
| srcfull=$_BUILD_SRCDIR/$src |
| if [ ! -f "$srcfull" ]; then |
| echo "ERROR: Missing source file: $srcfull" |
| exit 1 |
| fi |
| obj=$src |
| cflags="" |
| for inc in $_BUILD_C_INCLUDES; do |
| cflags=$cflags" -I$inc" |
| done |
| cflags=$cflags" -I$_BUILD_SRCDIR" |
| case $obj in |
| *.c) |
| obj=${obj%%.c} |
| text="C" |
| cc=$_BUILD_CC |
| cflags="$cflags $_BUILD_CFLAGS" |
| ;; |
| *.cpp) |
| obj=${obj%%.cpp} |
| text="C++" |
| cc=$_BUILD_CXX |
| cflags="$cflags $_BUILD_CXXFLAGS" |
| ;; |
| *.cc) |
| obj=${obj%%.cc} |
| text="C++" |
| cc=$_BUILD_CXX |
| cflags="$cflags $_BUILD_CXXFLAGS" |
| ;; |
| *.S|*.s) |
| obj=${obj%%.$obj} |
| text="ASM" |
| cc=$_BUILD_CC |
| cflags="$cflags $_BUILD_CFLAGS" |
| ;; |
| *) |
| echo "Unknown source file extension: $obj" |
| exit 1 |
| ;; |
| esac |
| |
| # Source file path can include ../ path items, ensure |
| # that the generated object do not back up the output |
| # directory by translating them to __/ |
| obj=$(echo "$obj" | tr '../' '__/') |
| |
| # Ensure we have unwind tables in the generated machine code |
| # This is useful to get good stack traces |
| cflags=$cflags" -funwind-tables" |
| |
| obj=$_BUILD_DIR/$obj.o |
| if [ "$_BUILD_MK" ]; then |
| echo "$obj: $srcfull" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}$text: $src" |
| builder_command mkdir -p $(dirname "$obj") |
| builder_command $NDK_CCACHE $cc -c -o "$obj" "$srcfull" $cflags |
| fail_panic "Could not compile ${_BUILD_PREFIX}$src" |
| _BUILD_OBJECTS=$_BUILD_OBJECTS" $obj" |
| done |
| } |
| |
| builder_static_library () |
| { |
| local lib libname arflags |
| libname=$1 |
| if [ -z "$_BUILD_DSTDIR" ]; then |
| panic "Destination directory not set" |
| fi |
| lib=$_BUILD_DSTDIR/$libname |
| lib=${lib%%.a}.a |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $lib" |
| echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| if [ -z "${_BUILD_AR}" ]; then |
| _BUILD_AR=${AR:-ar} |
| fi |
| builder_log "${_BUILD_PREFIX}Archive: $libname" |
| rm -f "$lib" |
| arflags="crs" |
| case $HOST_TAG in |
| darwin*) |
| # XCode 'ar' doesn't support D flag |
| ;; |
| *) |
| arflags="${arflags}D" |
| ;; |
| esac |
| builder_command ${_BUILD_AR} $arflags "$lib" "$_BUILD_OBJECTS" |
| fail_panic "Could not archive ${_BUILD_PREFIX}$libname objects!" |
| } |
| |
| builder_host_static_library () |
| { |
| local lib libname |
| libname=$1 |
| if [ -z "$_BUILD_DSTDIR" ]; then |
| panic "Destination directory not set" |
| fi |
| lib=$_BUILD_DSTDIR/$libname |
| lib=${lib%%.a}.a |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $lib" |
| echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| if [ -z "$BUILD_AR" ]; then |
| _BUILD_AR=${AR:-ar} |
| fi |
| builder_log "${_BUILD_PREFIX}Archive: $libname" |
| rm -f "$lib" |
| builder_command ${_BUILD_AR} crsD "$lib" "$_BUILD_OBJECTS" |
| fail_panic "Could not archive ${_BUILD_PREFIX}$libname objects!" |
| } |
| |
| builder_shared_library () |
| { |
| local lib libname suffix |
| libname=$1 |
| suffix=$2 |
| |
| if [ -z "$suffix" ]; then |
| suffix=".so" |
| fi |
| lib=$_BUILD_DSTDIR/$libname |
| lib=${lib%%${suffix}}${suffix} |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $lib" |
| echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" |
| |
| # Important: -lgcc must appear after objects and static libraries, |
| # but before shared libraries for Android. It doesn't hurt |
| # for other platforms. |
| # Also $libm must come before -lc because bionic libc |
| # accidentally exports a soft-float version of ldexp. |
| builder_command ${_BUILD_CXX} \ |
| -Wl,-soname,$(basename $lib) \ |
| -Wl,-shared \ |
| $_BUILD_LDFLAGS_BEGIN_SO \ |
| $_BUILD_OBJECTS \ |
| $_BUILD_STATIC_LIBRARIES \ |
| $_BUILD_COMPILER_RUNTIME_LDFLAGS \ |
| $_BUILD_SHARED_LIBRARIES \ |
| -lm -lc \ |
| $_BUILD_LDFLAGS \ |
| $_BUILD_LDFLAGS_END_SO \ |
| -o $lib |
| fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" |
| } |
| |
| # Same as builder_shared_library, but do not link the default libs |
| builder_nostdlib_shared_library () |
| { |
| local lib libname suffix |
| libname=$1 |
| suffix=$2 |
| if [ -z "$suffix" ]; then |
| suffix=".so" |
| fi |
| lib=$_BUILD_DSTDIR/$libname |
| lib=${lib%%${suffix}}${suffix} |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $lib" |
| echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" |
| |
| builder_command ${_BUILD_CXX} \ |
| -Wl,-soname,$(basename $lib) \ |
| -Wl,-shared \ |
| $_BUILD_LDFLAGS_BEGIN_SO \ |
| $_BUILD_OBJECTS \ |
| $_BUILD_STATIC_LIBRARIES \ |
| $_BUILD_SHARED_LIBRARIES \ |
| $_BUILD_LDFLAGS \ |
| $_BUILD_LDFLAGS_END_SO \ |
| -o $lib |
| fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" |
| } |
| |
| builder_host_shared_library () |
| { |
| local lib libname |
| libname=$1 |
| lib=$_BUILD_DSTDIR/$libname |
| lib=${lib%%.so}.so |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $lib" |
| echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" |
| |
| if [ -z "$_BUILD_CXX" ]; then |
| _BUILD_CXX=${CXX:-g++} |
| fi |
| |
| # Important: -lgcc must appear after objects and static libraries, |
| # but before shared libraries for Android. It doesn't hurt |
| # for other platforms. |
| builder_command ${_BUILD_CXX} \ |
| -shared -s \ |
| $_BUILD_OBJECTS \ |
| $_BUILD_STATIC_LIBRARIES \ |
| $_BUILD_SHARED_LIBRARIES \ |
| $_BUILD_LDFLAGS \ |
| -o $lib |
| fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" |
| } |
| |
| builder_host_executable () |
| { |
| local exe exename |
| exename=$1 |
| exe=$_BUILD_DSTDIR/$exename$HOST_EXE |
| if [ "$_BUILD_MK" ]; then |
| _BUILD_TARGETS=$_BUILD_TARGETS" $exe" |
| echo "$exe: $_BUILD_OBJECTS" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}Executable: $exename$HOST_EXE" |
| |
| if [ -z "$_BUILD_CXX" ]; then |
| _BUILD_CXX=${CXX:-g++} |
| fi |
| |
| # Important: -lgcc must appear after objects and static libraries, |
| # but before shared libraries for Android. It doesn't hurt |
| # for other platforms. |
| builder_command ${_BUILD_CXX} \ |
| -s \ |
| $_BUILD_OBJECTS \ |
| $_BUILD_STATIC_LIBRARIES \ |
| $_BUILD_SHARED_LIBRARIES \ |
| $_BUILD_LDFLAGS \ |
| -o $exe |
| fail_panic "Could not create ${_BUILD_PREFIX}executable $libname" |
| } |
| |
| |
| builder_end () |
| { |
| if [ "$_BUILD_MK" ]; then |
| echo "all: $_BUILD_TARGETS" >> $_BUILD_MK |
| run make -j$NUM_JOBS -f $_BUILD_MK |
| fail_panic "Could not build project!" |
| fi |
| |
| if [ "$_BUILD_DIR_NEW" ]; then |
| log "Cleaning up build directory: $_BUILD_DIR" |
| rm -rf "$_BUILD_DIR" |
| _BUILD_DIR_NEW= |
| fi |
| } |
| |
| # Same as builder_begin, but to target Android with a specific ABI |
| # $1: ABI name (e.g. armeabi) |
| # $2: Build directory |
| # $3: Gcc version |
| # $4: Optional llvm version |
| # $5: Optional Makefile name |
| # $6: Platform (android-X) |
| builder_begin_android () |
| { |
| local ABI BUILDDIR LLVM_VERSION MAKEFILE |
| local ARCH SYSROOT LDIR FLAGS |
| local CRTBEGIN_SO_O CRTEND_SO_O CRTBEGIN_EXE_SO CRTEND_SO_O |
| local BINPREFIX GCC_TOOLCHAIN LLVM_TRIPLE GCC_VERSION |
| local SCRATCH_FLAGS PLATFORM |
| local PREBUILT_NDK=$ANDROID_BUILD_TOP/prebuilts/ndk/current |
| if [ -z "$ANDROID_BUILD_TOP" ]; then |
| panic "ANDROID_BUILD_TOP is not defined!" |
| elif [ ! -d "$PREBUILT_NDK/platforms" ]; then |
| panic "Missing directory: $PREBUILT_NDK/platforms" |
| fi |
| ABI=$1 |
| BUILDDIR=$2 |
| GCC_VERSION=$3 |
| LLVM_VERSION=$4 |
| MAKEFILE=$5 |
| ARCH=$(convert_abi_to_arch $ABI) |
| PLATFORM=$6 |
| |
| if [ -n "$LLVM_VERSION" ]; then |
| # override GCC_VERSION to pick $DEFAULT_LLVM_GCC??_VERSION instead |
| if [ "$ABI" != "${ABI%%64*}" ]; then |
| GCC_VERSION=$DEFAULT_LLVM_GCC64_VERSION |
| else |
| GCC_VERSION=$DEFAULT_LLVM_GCC32_VERSION |
| fi |
| fi |
| for TAG in $HOST_TAG $HOST_TAG32; do |
| BINPREFIX=$ANDROID_BUILD_TOP/prebuilts/ndk/current/$(get_toolchain_binprefix_for_arch $ARCH $GCC_VERSION $TAG) |
| if [ -f ${BINPREFIX}gcc ]; then |
| break; |
| fi |
| done |
| if [ -n "$LLVM_VERSION" ]; then |
| GCC_TOOLCHAIN=`dirname $BINPREFIX` |
| GCC_TOOLCHAIN=`dirname $GCC_TOOLCHAIN` |
| LLVM_BINPREFIX=$(get_llvm_toolchain_binprefix $TAG) |
| fi |
| |
| if [ -z "$PLATFORM" ]; then |
| SYSROOT=$PREBUILT_NDK/$(get_default_platform_sysroot_for_arch $ARCH) |
| else |
| SYSROOT=$PREBUILT_NDK/platforms/$PLATFORM/arch-$ARCH |
| fi |
| LDIR=$SYSROOT"/usr/"$(get_default_libdir_for_abi $ABI) |
| |
| CRTBEGIN_EXE_O=$LDIR/crtbegin_dynamic.o |
| CRTEND_EXE_O=$LDIR/crtend_android.o |
| |
| CRTBEGIN_SO_O=$LDIR/crtbegin_so.o |
| CRTEND_SO_O=$LDIR/crtend_so.o |
| if [ ! -f "$CRTBEGIN_SO_O" ]; then |
| CRTBEGIN_SO_O=$CRTBEGIN_EXE_O |
| fi |
| if [ ! -f "$CRTEND_SO_O" ]; then |
| CRTEND_SO_O=$CRTEND_EXE_O |
| fi |
| |
| builder_begin "$BUILDDIR" "$MAKEFILE" |
| builder_set_prefix "$ABI " |
| if [ -z "$LLVM_VERSION" ]; then |
| builder_set_binprefix "$BINPREFIX" |
| else |
| builder_set_binprefix_llvm "$LLVM_BINPREFIX" "$BINPREFIX" |
| case $ABI in |
| armeabi) |
| LLVM_TRIPLE=armv5te-none-linux-androideabi |
| ;; |
| armeabi-v7a) |
| LLVM_TRIPLE=armv7-none-linux-androideabi |
| ;; |
| arm64-v8a) |
| LLVM_TRIPLE=aarch64-none-linux-android |
| ;; |
| x86) |
| LLVM_TRIPLE=i686-none-linux-android |
| ;; |
| x86_64) |
| LLVM_TRIPLE=x86_64-none-linux-android |
| ;; |
| mips|mips32r6) |
| LLVM_TRIPLE=mipsel-none-linux-android |
| ;; |
| mips64) |
| LLVM_TRIPLE=mips64el-none-linux-android |
| ;; |
| esac |
| SCRATCH_FLAGS="-target $LLVM_TRIPLE $FLAGS" |
| builder_ldflags "$SCRATCH_FLAGS" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| if [ ! -z $GCC_TOOLCHAIN ]; then |
| SCRATCH_FLAGS="-gcc-toolchain $GCC_TOOLCHAIN" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| builder_ldflags "$SCRATCH_FLAGS" |
| if [ "$ABI" = "mips" ]; then |
| # Help clang use mips64el multilib GCC |
| SCRATCH_FLAGS="-L${GCC_TOOLCHAIN}/lib/gcc/mips64el-linux-android/4.9.x/32/mips-r1 " |
| builder_ldflags "$SCRATCH_FLAGS" |
| fi |
| fi |
| fi |
| |
| SCRATCH_FLAGS="--sysroot=$SYSROOT" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| |
| SCRATCH_FLAGS="--sysroot=$SYSROOT -nostdlib" |
| _BUILD_LDFLAGS_BEGIN_SO="$SCRATCH_FLAGS $CRTBEGIN_SO_O" |
| _BUILD_LDFLAGS_BEGIN_EXE="$SCRATCH_FLAGS $CRTBEGIN_EXE_O" |
| |
| _BUILD_LDFLAGS_END_SO="$CRTEND_SO_O" |
| _BUILD_LDFLAGS_END_EXE="$CRTEND_EXE_O" |
| |
| case $ABI in |
| armeabi) |
| if [ -z "$LLVM_VERSION" ]; then |
| # add -minline-thumb1-jumptable such that gabi++/stlport/libc++ can be linked |
| # with compiler-rt where helpers __gnu_thumb1_case_* (in libgcc.a) don't exist |
| SCRATCH_FLAGS="-minline-thumb1-jumptable" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| else |
| builder_cflags "" |
| builder_cxxflags "" |
| fi |
| ;; |
| armeabi-v7a) |
| SCRATCH_FLAGS="-march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| builder_ldflags "-march=armv7-a -Wl,--fix-cortex-a8" |
| ;; |
| mips) |
| SCRATCH_FLAGS="-mips32" |
| builder_cflags "$SCRATCH_FLAGS" |
| builder_cxxflags "$SCRATCH_FLAGS" |
| builder_ldflags "-mips32" |
| ;; |
| esac |
| } |
| |
| # $1: Build directory |
| # $2: Optional Makefile name |
| builder_begin_host () |
| { |
| prepare_host_build |
| builder_begin "$1" "$2" |
| builder_set_prefix "$HOST_TAG " |
| } |
