273 lines
8.5 KiB
Bash
Executable File
273 lines
8.5 KiB
Bash
Executable File
#!/bin/bash -e
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#
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This script is used to generate files in the <platform> directories needed to
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# build libvpx. Every time libvpx source code is updated run this script.
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#
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# The script depends on the bpfmt tool, which may need to be built with
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# m -j blueprint_tools
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#
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# For example, from the top of an Android tree:
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# $ source build/envsetup.sh
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# $ m -j blueprint_tools
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# $ external/libvpx/generate_config.sh
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#
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# And this will update all the config files needed.
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export LC_ALL=C
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cd $(dirname $0)
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BASE_DIR=$(pwd)
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LIBVPX_SRC_DIR="libvpx"
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LIBVPX_CONFIG_DIR="config"
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# Clean files from previous make.
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function make_clean {
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make clean > /dev/null
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rm -f libvpx_srcs.txt
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}
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# Lint a pair of vpx_config.h and vpx_config.asm to make sure they match.
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# $1 - Header file directory.
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function lint_config {
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$BASE_DIR/lint_config.sh \
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-h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \
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-a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm
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}
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# Print the configuration.
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# $1 - Header file directory.
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function print_config {
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$BASE_DIR/lint_config.sh -p \
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-h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \
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-a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm
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}
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# Print the configuration from Header file.
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# This function is an abridged version of print_config which does not use
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# lint_config and it does not require existence of vpx_config.asm.
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# $1 - Header file directory.
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function print_config_basic {
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combined_config="$(cat $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \
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| grep -E ' +[01] *$')"
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combined_config="$(echo "$combined_config" | grep -v DO1STROUNDING)"
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combined_config="$(echo "$combined_config" | sed 's/[ \t]//g')"
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combined_config="$(echo "$combined_config" | sed 's/.*define//')"
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combined_config="$(echo "$combined_config" | sed 's/0$/=no/')"
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combined_config="$(echo "$combined_config" | sed 's/1$/=yes/')"
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echo "$combined_config" | sort | uniq
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}
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# Generate *_rtcd.h files.
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# $1 - Header file directory.
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# $2 - Architecture.
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# $3 - Optional - any additional arguments to pass through.
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function gen_rtcd_header {
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echo "Generate $LIBVPX_CONFIG_DIR/$1/*_rtcd.h files."
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rm -rf $BASE_DIR/$TEMP_DIR/libvpx.config
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$BASE_DIR/lint_config.sh -p \
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-h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \
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-a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm \
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-o $BASE_DIR/$TEMP_DIR/libvpx.config
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$BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
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--arch=$2 \
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--sym=vp8_rtcd $3 \
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--config=$BASE_DIR/$TEMP_DIR/libvpx.config \
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$BASE_DIR/$LIBVPX_SRC_DIR/vp8/common/rtcd_defs.pl \
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> $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp8_rtcd.h
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$BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
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--arch=$2 \
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--sym=vp9_rtcd $3 \
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--config=$BASE_DIR/$TEMP_DIR/libvpx.config \
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$BASE_DIR/$LIBVPX_SRC_DIR/vp9/common/vp9_rtcd_defs.pl \
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> $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp9_rtcd.h
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$BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
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--arch=$2 \
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--sym=vpx_scale_rtcd $3 \
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--config=$BASE_DIR/$TEMP_DIR/libvpx.config \
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$BASE_DIR/$LIBVPX_SRC_DIR/vpx_scale/vpx_scale_rtcd.pl \
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> $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_scale_rtcd.h
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$BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \
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--arch=$2 \
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--sym=vpx_dsp_rtcd $3 \
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--config=$BASE_DIR/$TEMP_DIR/libvpx.config \
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$BASE_DIR/$LIBVPX_SRC_DIR/vpx_dsp/vpx_dsp_rtcd_defs.pl \
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> $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_dsp_rtcd.h
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rm -rf $BASE_DIR/$TEMP_DIR/libvpx.config
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}
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# Generate Config files. "--enable-external-build" must be set to skip
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# detection of capabilities on specific targets.
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# $1 - Header file directory.
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# $2 - Config command line.
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function gen_config_files {
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./configure $2 > /dev/null
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# Generate vpx_config.asm for x86[_64].
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if [[ "$1" == *x86* ]]; then
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egrep "#define [A-Z0-9_]+ [01]" vpx_config.h \
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| awk '{print "%define " $2 " " $3}' > vpx_config.asm
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else
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# vpx_config.asm is unused for arm[64] but is needed to pass lint_config.
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egrep "#define [A-Z0-9_]+ [01]" vpx_config.h \
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| awk '{print $2 " EQU " $3}' \
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| perl $BASE_DIR/$LIBVPX_SRC_DIR/build/make/ads2gas.pl > vpx_config.asm
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fi
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# Generate vpx_version.h
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$BASE_DIR/$LIBVPX_SRC_DIR/build/make/version.sh "$BASE_DIR/$LIBVPX_SRC_DIR" vpx_version.h
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cp vpx_config.* vpx_version.h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1
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make_clean
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rm -rf vpx_config.* vpx_version.h
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}
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# Generate a text file containing sources for a config
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# $1 - Config
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function gen_source_list {
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make_clean
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if [[ "$1" = "generic" ]]; then
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config=$(print_config_basic $1)
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else
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config=$(print_config $1)
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fi
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make libvpx_srcs.txt target=libs $config > /dev/null
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mv libvpx_srcs.txt libvpx_srcs_$1.txt
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}
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# Extract a list of C sources from a libvpx_srcs.txt file
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# $1 - path to libvpx_srcs.txt
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function libvpx_srcs_txt_to_c_srcs {
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grep ".c$" $1 | grep -v "^vpx_config.c$" | awk '$0="\"libvpx/"$0"\","' | sort
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}
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# Extract a list of ASM sources from a libvpx_srcs.txt file
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# $1 - path to libvpx_srcs.txt
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function libvpx_srcs_txt_to_asm_srcs {
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grep ".asm$" $1 | awk '$0="\"libvpx/"$0"\","' | sort
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}
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# Extract a list of converted ASM sources from a libvpx_srcs.txt file
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# $1 - path to libvpx_srcs.txt
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function libvpx_srcs_txt_to_asm_S_srcs {
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grep ".asm.S$" $1 | awk '$0="\""$0"\","' | sort
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}
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# Convert a list of sources to a blueprint file containing a variable
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# assignment.
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# $1 - Config
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function gen_bp_srcs {
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(
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varprefix=libvpx_${1//-/_}
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echo "${varprefix}_c_srcs = ["
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libvpx_srcs_txt_to_c_srcs libvpx_srcs_$1.txt
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echo "\"$LIBVPX_CONFIG_DIR/$1/vpx_config.c\","
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echo "]"
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if grep -qE ".asm(.S)?$" libvpx_srcs_$1.txt; then
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echo
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echo "${varprefix}_asm_srcs = ["
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libvpx_srcs_txt_to_asm_srcs libvpx_srcs_$1.txt
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libvpx_srcs_txt_to_asm_S_srcs libvpx_srcs_$1.txt
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echo "]"
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fi
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echo
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) > config_$1.bp
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}
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# The ARM assembly sources must be converted from ADS to GAS compatible format.
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# This step is only required for ARM. MIPS uses intrinsics exclusively and x86
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# requires 'yasm' to pre-process its assembly files.
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function convert_arm_asm {
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find $BASE_DIR/$LIBVPX_CONFIG_DIR/arm-neon -name '*.asm.S' | xargs -r rm
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for src in $(grep ".asm$" libvpx_srcs_arm-neon.txt); do
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newsrc=$LIBVPX_CONFIG_DIR/arm-neon/$src.S
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mkdir -p $BASE_DIR/$(dirname $newsrc)
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perl $BASE_DIR/$LIBVPX_SRC_DIR/build/make/ads2gas.pl <$BASE_DIR/$LIBVPX_SRC_DIR/$src >$BASE_DIR/$newsrc
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echo $newsrc >>libvpx_srcs_arm-neon.txt
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done
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sed -i "/\.asm$/ d" libvpx_srcs_arm-neon.txt
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}
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echo "Create temporary directory."
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TEMP_DIR="$LIBVPX_SRC_DIR.temp"
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rm -rf $TEMP_DIR
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cp -R $LIBVPX_SRC_DIR $TEMP_DIR
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cd $TEMP_DIR
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echo "Generate config files."
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all_platforms="--enable-external-build --enable-realtime-only --enable-pic"
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all_platforms+=" --disable-runtime-cpu-detect --disable-install-docs"
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all_platforms+=" --size-limit=4096x3072 --enable-vp9-highbitdepth"
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intel="--disable-sse4_1 --disable-avx --disable-avx2 --disable-avx512 --as=yasm"
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gen_config_files x86 "--target=x86-linux-gcc ${intel} ${all_platforms}"
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gen_config_files x86_64 "--target=x86_64-linux-gcc ${intel} ${all_platforms}"
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gen_config_files arm-neon "--target=armv7-linux-gcc ${all_platforms}"
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gen_config_files arm64 "--force-target=armv8-linux-gcc ${all_platforms}"
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gen_config_files generic "--target=generic-gnu ${all_platforms}"
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echo "Remove temporary directory."
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cd $BASE_DIR
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rm -rf $TEMP_DIR
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echo "Lint libvpx configuration."
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lint_config x86
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lint_config x86_64
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lint_config arm-neon
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lint_config arm64
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lint_config generic
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echo "Create temporary directory."
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TEMP_DIR="$LIBVPX_SRC_DIR.temp"
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rm -rf $TEMP_DIR
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cp -R $LIBVPX_SRC_DIR $TEMP_DIR
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cd $TEMP_DIR
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gen_rtcd_header x86 x86 "${intel}"
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gen_rtcd_header x86_64 x86_64 "${intel}"
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gen_rtcd_header arm-neon armv7
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gen_rtcd_header arm64 armv8
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gen_rtcd_header generic generic
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echo "Prepare Makefile."
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./configure --target=generic-gnu > /dev/null
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make_clean
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echo "Generate source lists"
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gen_source_list x86
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gen_source_list x86_64
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gen_source_list arm-neon
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gen_source_list arm64
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gen_source_list generic
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echo "Convert ARM assembly format"
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convert_arm_asm
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echo "Convert to bp"
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gen_bp_srcs x86
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gen_bp_srcs x86_64
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gen_bp_srcs arm-neon
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gen_bp_srcs arm64
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gen_bp_srcs generic
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rm -f $BASE_DIR/Android.bp
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(
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echo "// THIS FILE IS AUTOGENERATED, DO NOT EDIT"
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echo "// Generated from Android.bp.in, run ./generate_config.sh to regenerate"
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echo
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cat config_*.bp
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cat $BASE_DIR/Android.bp.in
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) > $BASE_DIR/Android.bp
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bpfmt -w $BASE_DIR/Android.bp
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echo "Remove temporary directory."
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cd $BASE_DIR
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rm -rf $TEMP_DIR
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