1#!/bin/bash -e 2# 3# Copyright (c) 2012 The Chromium Authors. All rights reserved. 4# Use of this source code is governed by a BSD-style license that can be 5# found in the LICENSE file. 6 7# This script is used to generate files in the <platform> directories needed to 8# build libvpx. Every time libvpx source code is updated run this script. 9# 10# The script depends on the bpfmt tool, which may need to be built with 11# m -j blueprint_tools 12# 13# For example, from the top of an Android tree: 14# $ source build/envsetup.sh 15# $ m -j blueprint_tools 16# $ external/libvpx/generate_config.sh 17# 18# And this will update all the config files needed. 19 20export LC_ALL=C 21cd $(dirname $0) 22BASE_DIR=$(pwd) 23LIBVPX_SRC_DIR="libvpx" 24LIBVPX_CONFIG_DIR="config" 25 26# Clean files from previous make. 27function make_clean { 28 make clean > /dev/null 29 rm -f libvpx_srcs.txt 30} 31 32# Lint a pair of vpx_config.h and vpx_config.asm to make sure they match. 33# $1 - Header file directory. 34function lint_config { 35 # mips does not contain any assembly so the header does not need to be 36 # compared to the asm. 37 if [[ "$1" != *mips* ]]; then 38 $BASE_DIR/lint_config.sh \ 39 -h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \ 40 -a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm 41 fi 42} 43 44# Print the configuration. 45# $1 - Header file directory. 46function print_config { 47 $BASE_DIR/lint_config.sh -p \ 48 -h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \ 49 -a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm 50} 51 52# Print the configuration from Header file. 53# This function is an abridged version of print_config which does not use 54# lint_config and it does not require existence of vpx_config.asm. 55# $1 - Header file directory. 56function print_config_basic { 57 combined_config="$(cat $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \ 58 | grep -E ' +[01] *$')" 59 combined_config="$(echo "$combined_config" | grep -v DO1STROUNDING)" 60 combined_config="$(echo "$combined_config" | sed 's/[ \t]//g')" 61 combined_config="$(echo "$combined_config" | sed 's/.*define//')" 62 combined_config="$(echo "$combined_config" | sed 's/0$/=no/')" 63 combined_config="$(echo "$combined_config" | sed 's/1$/=yes/')" 64 echo "$combined_config" | sort | uniq 65} 66 67# Generate *_rtcd.h files. 68# $1 - Header file directory. 69# $2 - Architecture. 70# $3 - Optional - any additional arguments to pass through. 71function gen_rtcd_header { 72 echo "Generate $LIBVPX_CONFIG_DIR/$1/*_rtcd.h files." 73 74 rm -rf $BASE_DIR/$TEMP_DIR/libvpx.config 75 if [[ "$2" == *mips* ]]; then 76 print_config_basic $1 > $BASE_DIR/$TEMP_DIR/libvpx.config 77 else 78 $BASE_DIR/lint_config.sh -p \ 79 -h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.h \ 80 -a $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_config.asm \ 81 -o $BASE_DIR/$TEMP_DIR/libvpx.config 82 fi 83 84 $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \ 85 --arch=$2 \ 86 --sym=vp8_rtcd $3 \ 87 --config=$BASE_DIR/$TEMP_DIR/libvpx.config \ 88 $BASE_DIR/$LIBVPX_SRC_DIR/vp8/common/rtcd_defs.pl \ 89 > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp8_rtcd.h 90 91 $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \ 92 --arch=$2 \ 93 --sym=vp9_rtcd $3 \ 94 --config=$BASE_DIR/$TEMP_DIR/libvpx.config \ 95 $BASE_DIR/$LIBVPX_SRC_DIR/vp9/common/vp9_rtcd_defs.pl \ 96 > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vp9_rtcd.h 97 98 $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \ 99 --arch=$2 \ 100 --sym=vpx_scale_rtcd $3 \ 101 --config=$BASE_DIR/$TEMP_DIR/libvpx.config \ 102 $BASE_DIR/$LIBVPX_SRC_DIR/vpx_scale/vpx_scale_rtcd.pl \ 103 > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_scale_rtcd.h 104 105 $BASE_DIR/$LIBVPX_SRC_DIR/build/make/rtcd.pl \ 106 --arch=$2 \ 107 --sym=vpx_dsp_rtcd $3 \ 108 --config=$BASE_DIR/$TEMP_DIR/libvpx.config \ 109 $BASE_DIR/$LIBVPX_SRC_DIR/vpx_dsp/vpx_dsp_rtcd_defs.pl \ 110 > $BASE_DIR/$LIBVPX_CONFIG_DIR/$1/vpx_dsp_rtcd.h 111 112 rm -rf $BASE_DIR/$TEMP_DIR/libvpx.config 113} 114 115# Generate Config files. "--enable-external-build" must be set to skip 116# detection of capabilities on specific targets. 117# $1 - Header file directory. 118# $2 - Config command line. 119function gen_config_files { 120 ./configure $2 > /dev/null 121 122 # Generate vpx_config.asm. Do not create one for mips. 123 if [[ "$1" != *mips* ]]; then 124 if [[ "$1" == *x86* ]]; then 125 egrep "#define [A-Z0-9_]+ [01]" vpx_config.h \ 126 | awk '{print "%define " $2 " " $3}' > vpx_config.asm 127 else 128 egrep "#define [A-Z0-9_]+ [01]" vpx_config.h \ 129 | awk '{print $2 " EQU " $3}' \ 130 | perl $BASE_DIR/$LIBVPX_SRC_DIR/build/make/ads2gas.pl > vpx_config.asm 131 fi 132 fi 133 134 # Generate vpx_version.h 135 $BASE_DIR/$LIBVPX_SRC_DIR/build/make/version.sh "$BASE_DIR/$LIBVPX_SRC_DIR" vpx_version.h 136 137 cp vpx_config.* vpx_version.h $BASE_DIR/$LIBVPX_CONFIG_DIR/$1 138 make_clean 139 rm -rf vpx_config.* vpx_version.h 140} 141 142# Generate a text file containing sources for a config 143# $1 - Config 144function gen_source_list { 145 make_clean 146 if [[ "$1" = "mips"* ]] || [[ "$1" = "generic" ]]; then 147 config=$(print_config_basic $1) 148 else 149 config=$(print_config $1) 150 fi 151 make libvpx_srcs.txt target=libs $config > /dev/null 152 mv libvpx_srcs.txt libvpx_srcs_$1.txt 153} 154 155# Extract a list of C sources from a libvpx_srcs.txt file 156# $1 - path to libvpx_srcs.txt 157function libvpx_srcs_txt_to_c_srcs { 158 grep ".c$" $1 | grep -v "^vpx_config.c$" | awk '$0="\"libvpx/"$0"\","' | sort 159} 160 161# Extract a list of ASM sources from a libvpx_srcs.txt file 162# $1 - path to libvpx_srcs.txt 163function libvpx_srcs_txt_to_asm_srcs { 164 grep ".asm$" $1 | awk '$0="\"libvpx/"$0"\","' | sort 165} 166 167# Convert a list of sources to a blueprint file containing a variable 168# assignment. 169# $1 - Config 170function gen_bp_srcs { 171 ( 172 varprefix=libvpx_${1//-/_} 173 echo "${varprefix}_c_srcs = [" 174 libvpx_srcs_txt_to_c_srcs libvpx_srcs_$1.txt 175 echo "\"$LIBVPX_CONFIG_DIR/$1/vpx_config.c\"," 176 echo "]" 177 if grep -q ".asm$" libvpx_srcs_$1.txt; then 178 echo 179 echo "${varprefix}_asm_srcs = [" 180 libvpx_srcs_txt_to_asm_srcs libvpx_srcs_$1.txt 181 echo "]" 182 fi 183 echo 184 ) > config_$1.bp 185} 186 187# Convert a list of sources to a blueprint file containing a variable 188# assignment, relative to a reference config. 189# $1 - Config 190# $2 - Reference config 191function gen_bp_srcs_with_excludes { 192 ( 193 varprefix=libvpx_${1//-/_} 194 echo "${varprefix}_c_srcs = [" 195 comm -23 <(libvpx_srcs_txt_to_c_srcs libvpx_srcs_$1.txt) <(libvpx_srcs_txt_to_c_srcs libvpx_srcs_$2.txt) 196 echo "\"$LIBVPX_CONFIG_DIR/$1/vpx_config.c\"," 197 echo "]" 198 echo 199 echo "${varprefix}_exclude_c_srcs = [" 200 comm -13 <(libvpx_srcs_txt_to_c_srcs libvpx_srcs_$1.txt) <(libvpx_srcs_txt_to_c_srcs libvpx_srcs_$2.txt) 201 echo "\"$LIBVPX_CONFIG_DIR/$2/vpx_config.c\"," 202 echo "]" 203 echo 204 if grep -q ".asm$" libvpx_srcs_$1.txt; then 205 echo 206 echo "${varprefix}_asm_srcs = [" 207 libvpx_srcs_txt_to_asm_srcs libvpx_srcs_$1.txt 208 echo "]" 209 fi 210 echo 211 ) > config_$1.bp 212} 213 214echo "Create temporary directory." 215TEMP_DIR="$LIBVPX_SRC_DIR.temp" 216rm -rf $TEMP_DIR 217cp -R $LIBVPX_SRC_DIR $TEMP_DIR 218cd $TEMP_DIR 219 220echo "Generate config files." 221all_platforms="--enable-external-build --enable-realtime-only --enable-pic" 222all_platforms+=" --disable-runtime-cpu-detect --disable-install-docs" 223all_platforms+=" --size-limit=4096x3072 --enable-vp9-highbitdepth" 224intel="--disable-sse4_1 --disable-avx --disable-avx2 --disable-avx512 --as=yasm" 225gen_config_files x86 "--target=x86-linux-gcc ${intel} ${all_platforms}" 226gen_config_files x86_64 "--target=x86_64-linux-gcc ${intel} ${all_platforms}" 227gen_config_files arm "--target=armv7-linux-gcc --disable-neon ${all_platforms}" 228gen_config_files arm-neon "--target=armv7-linux-gcc ${all_platforms}" 229gen_config_files arm64 "--force-target=armv8-linux-gcc ${all_platforms}" 230gen_config_files mips32 "--target=mips32-linux-gcc --disable-dspr2 --disable-msa ${all_platforms}" 231gen_config_files mips32-dspr2 "--target=mips32-linux-gcc --enable-dspr2 ${all_platforms}" 232gen_config_files mips32-msa "--target=mips32-linux-gcc --enable-msa ${all_platforms}" 233gen_config_files mips64 "--target=mips64-linux-gcc --disable-msa ${all_platforms}" 234gen_config_files mips64-msa "--target=mips64-linux-gcc --enable-msa ${all_platforms}" 235gen_config_files generic "--target=generic-gnu ${all_platforms}" 236 237echo "Remove temporary directory." 238cd $BASE_DIR 239rm -rf $TEMP_DIR 240 241echo "Lint libvpx configuration." 242lint_config x86 243lint_config x86_64 244lint_config arm 245lint_config arm-neon 246lint_config arm64 247lint_config mips32 248lint_config mips32-dspr2 249lint_config mips32-msa 250lint_config mips64 251lint_config mips64-msa 252lint_config generic 253 254echo "Create temporary directory." 255TEMP_DIR="$LIBVPX_SRC_DIR.temp" 256rm -rf $TEMP_DIR 257cp -R $LIBVPX_SRC_DIR $TEMP_DIR 258cd $TEMP_DIR 259 260gen_rtcd_header x86 x86 "${intel}" 261gen_rtcd_header x86_64 x86_64 "${intel}" 262gen_rtcd_header arm armv7 "--disable-neon" 263gen_rtcd_header arm-neon armv7 264gen_rtcd_header arm64 armv8 265gen_rtcd_header mips32 mips32 266gen_rtcd_header mips32-dspr2 mips32 267gen_rtcd_header mips32-msa mips32 268gen_rtcd_header mips64 mips64 269gen_rtcd_header mips64-msa mips64 270gen_rtcd_header generic generic 271 272echo "Prepare Makefile." 273./configure --target=generic-gnu > /dev/null 274make_clean 275 276echo "Generate source lists" 277gen_source_list x86 278gen_source_list x86_64 279gen_source_list arm 280gen_source_list arm-neon 281gen_source_list arm64 282gen_source_list mips32 283gen_source_list mips32-dspr2 284gen_source_list mips32-msa 285gen_source_list mips64 286gen_source_list mips64-msa 287gen_source_list generic 288 289echo "Convert to bp" 290gen_bp_srcs x86 291gen_bp_srcs x86_64 292gen_bp_srcs arm 293gen_bp_srcs_with_excludes arm-neon arm 294gen_bp_srcs arm64 295gen_bp_srcs mips32 296gen_bp_srcs_with_excludes mips32-dspr2 mips32 297gen_bp_srcs_with_excludes mips32-msa mips32 298gen_bp_srcs mips64 299gen_bp_srcs_with_excludes mips64-msa mips64 300gen_bp_srcs generic 301 302rm -f $BASE_DIR/Android.bp 303( 304 echo "// THIS FILE IS AUTOGENERATED, DO NOT EDIT" 305 echo "// Generated from Android.bp.in, run ./generate_config.sh to regenerate" 306 echo 307 cat config_*.bp 308 cat $BASE_DIR/Android.bp.in 309) > $BASE_DIR/Android.bp 310bpfmt -w $BASE_DIR/Android.bp 311 312echo "Remove temporary directory." 313cd $BASE_DIR 314rm -rf $TEMP_DIR 315