| # |
| # 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 |
| if [ "$VERBOSE2" = "yes" ]; then |
| echo "$@" |
| fi |
| $@ |
| else |
| echo "${_BUILD_TAB}${_BUILD_HIDE}$@" >> $_BUILD_MK |
| fi |
| } |
| |
| |
| builder_log () |
| { |
| if [ "$_BUILD_MK" ]; then |
| echo "${_BUILD_TAB}${_BUILD_HIDE}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:" >> $_BUILD_MK |
| fi |
| # HIDE is used to hide the Makefile output, unless --verbose --verbose |
| # is used. |
| if [ "$VERBOSE2" = "yes" ]; then |
| _BUILD_HIDE="" |
| else |
| _BUILD_HIDE=@ |
| 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_CFLAGS= |
| _BUILD_C_INCLUDES= |
| _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= |
| } |
| |
| builder_set_binprefix () |
| { |
| _BUILD_BINPREFIX=$1 |
| } |
| |
| 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 $@ |
| } |
| |
| builder_reset_cflags () |
| { |
| _BUILD_CFLAGS= |
| } |
| |
| builder_reset_cxxflags () |
| { |
| _BUILD_CXXFLAGS= |
| } |
| |
| builder_reset_c_includes () |
| { |
| _BUILD_C_INCLUDES= |
| } |
| |
| 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 |
| for src in $@; do |
| srcfull=$_BUILD_SRCDIR/$src |
| if [ ! -f "$srcfull" ]; then |
| echo "ERROR: Missing source file: $srcfull" |
| exit 1 |
| fi |
| obj=$(basename "$src") |
| cflags="$_BUILD_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=gcc |
| ;; |
| *.cpp) |
| obj=${obj%%.cpp} |
| text="C++" |
| cc=g++ |
| cflags="$cflags $_BUILD_CXXFLAGS" |
| ;; |
| *.cc) |
| obj=${obj%%.cc} |
| text="C++" |
| cc=g++ |
| cflags="$cflags $_BUILD_CXXFLAGS" |
| ;; |
| *) |
| echo "Unknown source file extension: $obj" |
| exit 1 |
| ;; |
| esac |
| obj=$_BUILD_DIR/$obj.o |
| if [ "$_BUILD_MK" ]; then |
| echo "$obj: $srcfull" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}$text: $src" |
| builder_command $NDK_CCACHE ${_BUILD_BINPREFIX}$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 |
| 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" >> $_BUILD_MK |
| fi |
| builder_log "${_BUILD_PREFIX}Archive: $libname" |
| builder_command ${_BUILD_BINPREFIX}ar crs "$lib" "$_BUILD_OBJECTS" |
| fail_panic "Could not archive ${_BUILD_PREFIX}$libname objects!" |
| } |
| |
| builder_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" |
| |
| # Important: -lgcc must appear after objects and static libraries, |
| # but before shared libraries for Android. It doesn't hurt |
| # for other platforms. |
| builder_command ${_BUILD_BINPREFIX}g++ \ |
| -Wl,-soname,$(basename $lib) \ |
| -Wl,-shared,-Bsymbolic \ |
| $_BUILD_LDFLAGS_BEGIN_SO \ |
| $_BUILD_OBJECTS \ |
| $_BUILD_STATIC_LIBRARIES \ |
| -lgcc \ |
| $_BUILD_SHARED_LIBRARIES \ |
| -lc -lm \ |
| $_BUILD_LDFLAGS \ |
| $_BUILD_LDFLAGS_END_SO \ |
| -o $lib |
| fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" |
| } |
| |
| builder_end () |
| { |
| if [ "$_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 |
| log2 "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 |
| # $3: Optional Makefile name |
| builder_begin_android () |
| { |
| local ARCH ABI PLATFORM BUILDDIR DSTDIR SYSROOT CFLAGS |
| local CRTBEGIN_SO_O CRTEND_SO_O CRTBEGIN_EXE_SO CRTEND_SO_O |
| if [ -z "$NDK_DIR" ]; then |
| panic "NDK_DIR is not defined!" |
| elif [ ! -d "$NDK_DIR/platforms" ]; then |
| panic "Missing directory: $NDK_DIR/platforms" |
| fi |
| ABI=$1 |
| ARCH=$(convert_abi_to_arch $ABI) |
| PLATFORM=${2##android-} |
| SYSROOT=$NDK_DIR/platforms/android-$PLATFORM/arch-$ARCH |
| |
| BINPREFIX=$NDK_DIR/$(get_default_toolchain_binprefix_for_arch $ARCH) |
| SYSROOT=$NDK_DIR/$(get_default_platform_sysroot_for_arch $ARCH) |
| |
| CRTBEGIN_EXE_O=$SYSROOT/usr/lib/crtbegin_dynamic.o |
| CRTEND_EXE_O=$SYSROOT/usr/lib/crtend_android.o |
| |
| CRTBEGIN_SO_O=$SYSROOT/usr/lib/crtbegin_so.o |
| CRTEND_SO_O=$SYSROOT/usr/lib/crtend_so.o |
| if [ ! -f "$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 "$2" "$3" |
| builder_set_prefix "$ABI " |
| builder_set_binprefix "$BINPREFIX" |
| |
| _BUILD_LDFLAGS_BEGIN_SO="--sysroot=$SYSROOT -nostdlib $CRTBEGIN_SO_O" |
| _BUILD_LDFLAGS_BEGIN_EXE="--sysroot=$SYSROOT -nostdlib $CRTBEGIN_EXE_O" |
| |
| _BUILD_LDFLAGS_END_SO="$CRTEND_SO_O" |
| _BUILD_LDFLAGS_END_EXE="$CRTEND_EXE_O" |
| |
| case $ABI in |
| armeabi) |
| builder_cflags "-mthumb" |
| ;; |
| armeabi-v7a) |
| builder_cflags "-march=armv7-a -mfloat-abi=softfp" |
| builder_ldflags "-Wl,--fix-cortex-a8" |
| ;; |
| esac |
| } |
