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#!/bin/sh
#
set -e
export LANG=C
export LC_ALL=C
PROGDIR=$(dirname "$0")
PROGNAME=$(basename "$0")
panic () {
echo "ERROR: $@"
exit 1
}
VERBOSE=1
# Dump message is $VERBOSE >= $1
# $1+: message.
dump_n () {
local LOG_LEVEL=$1
shift
if [ "$VERBOSE" -ge "$LOG_LEVEL" ]; then
printf "%s\n" "$@"
fi
}
# Dump a message unless --quiet is used.
# $1+: message.
dump () {
dump_n 1 "$@"
}
# Dump a message if --verbose is used only.
# $1+: message.
log () {
dump_n 2 "$@"
}
# Run a command silently, unless --verbose or '--verbose --verbose'
# is used.
# $1+: Command
# Return: command status.
run () {
log "COMMAND: $*"
case $VERBOSE in
0)
"$@" >/dev/null 2>&1 || return $?
;;
1)
"$@" >/dev/null || return $?
;;
*)
"$@" || return $?
;;
esac
}
# $1: string
# Out: input string, with capital letters replaced by small ones.
tolower () {
echo "$1" | tr '[A-Z]' '[a-z]'
}
# Return value of a given variable.
# $1: Variable name
var_value () {
eval printf \"%s\" \"\$$1\"
}
# Remove some items from a list
# $1: input space-separated list
# $2: space-separated list of items to remove from 1
# Out: items of $1 without items of $2
filter_out () {
local TMP=$(mktemp)
local RESULT
printf "" > $TMP
echo "$2" | tr ' ' '\n' > $TMP
RESULT=$(echo "$1" | tr ' ' '\n' | fgrep -x -v -f $TMP | tr '\n' ' ')
rm -f $TMP
echo "$RESULT"
}
src_to_obj () {
case $1 in
*.c)
echo ${1%%.c}.o
;;
*.S)
echo ${1%%.S}.o
;;
*)
echo $1
;;
esac
}
# Determine host operating system.
HOST_OS=$(uname -s)
case $HOST_OS in
Linux)
HOST_OS=linux
;;
Darwin)
HOST_OS=darwin
;;
esac
# Determine host architecture
HOST_ARCH=$(uname -m)
case $HOST_ARCH in
i?86)
HOST_ARCH=x86
;;
esac
ANDROID_HOST_TAG=$HOST_OS-$HOST_ARCH
case $ANDROID_HOST_TAG in
linux-x86_64|darwin-x86-64)
ANDROID_HOST_TAG=$HOST_OS-x86
;;
*)
panic "Sorry, this script can only run on 64-bit Linux or Darwin"
esac
# Determine number of cores
case $HOST_OS in
linux)
NUM_CORES=$(grep -c "processor" /proc/cpuinfo)
;;
darwin)
NUM_CORES=$(sysctl -n hw.ncpu)
;;
*)
NUM_CORES=1
;;
esac
# The list of supported Android target architectures.
# NOTE: x86_64 is not ready yet, while the toolchain is in
# prebuilts/ it doesn't have a sysroot which means it requires
# a platform build to get Bionic and stuff.
ANDROID_ARCHS="arm arm64 x86 x86_64 mips"
BUILD_TYPES=
for ARCH in $ANDROID_ARCHS; do
BUILD_TYPES="$BUILD_TYPES android-$ARCH"
done
ANDROID_BUILD_TYPES=$BUILD_TYPES
HOST_BUILD_TYPES="$HOST_OS-x86 $HOST_OS-generic32 $HOST_OS-generic64"
HOST_BUILD_TYPES="$HOST_BUILD_TYPES $HOST_OS-x86_64"
BUILD_TYPES="$ANDROID_BUILD_TYPES $HOST_BUILD_TYPES"
# Parse command-line
DO_HELP=
SRC_DIR=$(cd $PROGDIR && pwd)
OUT_DIR=out
BUILD_DIR=
BUILD_TYPES=
NUM_JOBS=$NUM_CORES
ANDROID_BUILD_TOP=$(cd $PROGDIR/../.. && pwd)
for OPT; do
case $OPT in
--help|-h|-?)
DO_HELP=true
;;
--build-dir=*)
BUILD_DIR=${OPT##--build-dir=}
;;
--verbose)
VERBOSE=$(( $VERBOSE + 1 ))
;;
--jobs=*)
NUM_JOBS=${OPT##--jobs=}
;;
--quiet)
VERBOSE=$(( $VERBOSE - 1 ))
;;
-j*)
NUM_JOBS=${OPT##-j}
;;
-*)
panic "Unknown option '$OPT', see --help for details."
;;
*)
BUILD_TYPES="$BUILD_TYPES $OPT"
;;
esac
done
# Print help when needed.
if [ "$DO_HELP" ]; then
echo \
"Usage: $PROGNAME [options] [<build-type> ...]
This script is used to ensure that all OpenSSL build variants compile
properly. It can be used after modifying external/openssl/openssl.config
and re-running import_openssl.sh to check that any changes didn't break
the build.
A <build-type> is a description of a given build of the library and its
program. Its format is:
<compiler>-<system>-<arch>
Where: <compiler> is either 'gcc' or 'clang'.
<system> is 'android', 'linux' or 'darwin'.
<arch> is 'arm', 'x86' or 'mips'.
By default, it rebuilds the sources for the following build types:
"
for BUILD_TYPE in $BUILD_TYPES; do
echo " $BUILD_TYPE"
done
echo \
"However, you can pass custom values on the command-line instead.
This scripts generates a custom Makefile in a temporary directory, then
launches 'make' in it to build all binaries in parallel. In case of
problem, you can use the --build-dir=<path> option to specify a custom
build-directory, which will _not_ be removed when the script exits.
For example, to better see why a build fails:
./$PROGNAME --build-dir=/tmp/mydir
make -C /tmp/mydir V=1
Valid options:
--help|-h|-? Print this message.
--build-dir=<path> Specify build directory.
--jobs=<count> Run <count> parallel build jobs [$NUM_JOBS].
-j<count> Same as --jobs=<count>.
--verbose Increase verbosity.
--quiet Decrease verbosity.
"
exit 0
fi
log "Host OS: $HOST_OS"
log "Host arch: $HOST_ARCH"
log "Host CPU count: $NUM_CORES"
if [ -z "$BUILD_TYPES" ]; then
BUILD_TYPES="$ANDROID_BUILD_TYPES $HOST_BUILD_TYPES"
fi
log "Build types: $BUILD_TYPES"
if [ -z "$BUILD_DIR" ]; then
# Create a temporary directory, ensure it gets destroyed properly
# when the script exits.
BUILD_DIR=$(mktemp -d)
clean_build_dir () {
log "Cleaning up temporary directory: $BUILD_DIR"
rm -rf "$BUILD_DIR"
exit $1
}
trap "clean_build_dir 0" EXIT
trap "clean_build_dir \$?" INT HUP QUIT TERM
log "Using temporary build directory: $BUILD_DIR"
else
log "Using user build directory: $BUILD_DIR"
fi
mkdir -p "$BUILD_DIR" && rm -rf "$BUILD_DIR"/*
MAKEFILE=$BUILD_DIR/GNUmakefile
# Return source files for a given module and architecture.
# $1: module prefix (e.g. CRYPTO)
# $2: build arch.
get_module_src_files_for_arch () {
local prefix=$1
local arch=$2
local src_files="$(var_value OPENSSL_${prefix}_SOURCES)"
src_files="$src_files $(var_value OPENSSL_${prefix}_SOURCES_${arch})"
local exclude_files="$(var_value OPENSSL_${prefix}_SOURCES_EXCLUDES_${arch})"
src_files=$(filter_out "$src_files" "$exclude_files")
echo "$src_files"
}
# Return the compiler defines for a given module and architecture
# $1: module prefix (e.g. CRYPTO)
# $2 build arch.
get_module_defines_for_arch () {
local prefix=$1
local arch=$2
local defines="$(var_value OPENSSL_${prefix}_DEFINES)"
defines="$defines $(var_value OPENSSL_${prefix}_DEFINES_${arch})"
echo "$defines"
}
# $1: module prefix (e.g. CRYPTO)
get_module_c_includes () {
var_value OPENSSL_$1_INCLUDES
}
# $1: build type (e.g. gcc-android-arm)
# Out: build arch.
get_build_arch () {
echo "$1" | cut -d- -f3
}
# $1: build arch
# Out: GNU configuration target (e.g. arm-linux-androideabi)
get_build_arch_target () {
case $1 in
arm64)
echo "aarch64-linux-android"
;;
arm)
echo "arm-linux-androideabi"
;;
x86)
echo "x86_64-linux-android"
;;
x86_64)
echo "x86_64-linux-android"
;;
mips)
echo "mipsel-linux-android"
;;
*)
echo "$1-linux-android"
;;
esac
}
GCC_VERSION=4.8
CLANG_VERSION=3.2
get_prebuilt_gcc_dir_for_arch () {
local arch=$1
local target=$(get_build_arch_target $arch)
# Adjust $arch for x86_64 because the prebuilts are actually
# under prebuilts/gcc/<host>/x86/
case $arch in
x86_64)
arch=x86
;;
arm64)
arch=aarch64
;;
esac
echo "$ANDROID_BUILD_TOP/prebuilts/gcc/$ANDROID_HOST_TAG/$arch/$target-$GCC_VERSION"
}
get_prebuilt_clang () {
echo "$ANDROID_BUILD_TOP/prebuilts/clang/$ANDROID_HOST_TAG/$CLANG_VERSION/clang"
}
get_prebuilt_ndk_sysroot_for_arch () {
echo "$ANDROID_BUILD_TOP/prebuilts/ndk/current/platforms/android-9/arch-$1"
}
get_c_runtime_file () {
local build_type=$1
local arch=$(get_build_arch $build_type)
local filename=$2
echo "$(get_prebuilt_ndk_sysroot_for_arch $arch)/usr/lib/$filename"
}
# $1: build type (e.g. gcc-android-arm)
get_build_compiler () {
local arch=$(get_build_arch $1)
local target=$(get_build_arch_target $arch)
local gcc_dir=$(get_prebuilt_gcc_dir_for_arch $arch);
local result
# Get the toolchain binary.
case $1 in
gcc-android-*)
result="$gcc_dir/bin/$target-gcc"
;;
clang-android-*)
result="$(get_prebuilt_clang) -target $target -B$gcc_dir/$target/bin -I$gcc_dir/lib/gcc/$target/$GCC_VERSION/include"
;;
gcc-*)
result=gcc
;;
clang-*) # Must have host clang compiler.
result=clang
;;
esac
compiler_check=$(which $result 2>/dev/null || echo "")
if [ -z "$compiler_check" ]; then
panic "Could not find compiler: $result"
fi
# Get the Android sysroot if needed.
case $1 in
*-android-*)
result="$result --sysroot=$(get_prebuilt_ndk_sysroot_for_arch $arch)"
;;
esac
# Force -m32 flag when needed for 32-bit builds.
case $1 in
*-x86|*-generic32)
result="$result -m32"
;;
esac
echo "$result"
}
# $1: build type.
# Out: common compiler flags for this build.
get_build_c_flags () {
local result="-O2 -fPIC"
case $1 in
*-android-arm)
result="$result -march=armv7-a -mfpu=vfpv3-d16"
;;
esac
case $1 in
*-generic32|*-generic64)
# Generic builds do not compile without this flag.
result="$result -DOPENSSL_NO_ASM"
;;
esac
echo "$result"
}
# $1: build type.
# Out: linker for this build.
get_build_linker () {
get_build_compiler $1
}
clear_sources () {
g_all_objs=""
}
# Generate build instructions to compile source files.
# Also update g_all_objs.
# $1: module prefix (e.g. CRYPTO)
# $2: build type
build_sources () {
local prefix=$1
local build_type=$2
echo "## build_sources prefix='$prefix' build_type='$build_type'"
local arch=$(get_build_arch $build_type)
local src_files=$(get_module_src_files_for_arch $prefix $arch)
local c_defines=$(get_module_defines_for_arch $prefix $arch)
local c_includes=$(get_module_c_includes $prefix "$SRC_DIR")
local build_cc=$(get_build_compiler $build_type)
local build_cflags=$(get_build_c_flags $build_type)
local build_linker=$(get_build_linker $build_type)
local src obj def inc
printf "OUT_DIR := $OUT_DIR/$build_type\n\n"
printf "BUILD_CC := $build_cc\n\n"
printf "BUILD_LINKER := $build_linker\n\n"
printf "BUILD_CFLAGS := $build_cflags"
for inc in $c_includes; do
printf " -I\$(SRC_DIR)/$inc"
done
for def in $c_defines; do
printf " -D$def"
done
printf "\n\n"
printf "BUILD_OBJECTS :=\n\n"
case $build_type in
clang-android-*)
# The version of clang that comes with the platform build doesn't
# support simple linking of shared libraries and executables. One
# has to provide the C runtime files explicitely.
local crtbegin_so=$(get_c_runtime_file $build_type crtbegin_so.o)
local crtend_so=$(get_c_runtime_file $build_type crtend_so.o)
local crtbegin_exe=$(get_c_runtime_file $build_type crtbegin_dynamic.o)
local crtend_exe=$(get_c_runtime_file $build_type crtend_android.o)
printf "CRTBEGIN_SO := $crtbegin_so\n"
printf "CRTEND_SO := $crtend_so\n"
printf "CRTBEGIN_EXE := $crtbegin_exe\n"
printf "CRTEND_EXE := $crtend_exe\n"
printf "\n"
;;
esac
for src in $src_files; do
obj=$(src_to_obj $src)
g_all_objs="$g_all_objs $obj"
printf "OBJ := \$(OUT_DIR)/$obj\n"
printf "BUILD_OBJECTS += \$(OBJ)\n"
printf "\$(OBJ): PRIVATE_CC := \$(BUILD_CC)\n"
printf "\$(OBJ): PRIVATE_CFLAGS := \$(BUILD_CFLAGS)\n"
printf "\$(OBJ): \$(SRC_DIR)/$src\n"
printf "\t@echo [$build_type] CC $src\n"
printf "\t@mkdir -p \$\$(dirname \$@)\n"
printf "\t\$(hide) \$(PRIVATE_CC) \$(PRIVATE_CFLAGS) -c -o \$@ \$<\n"
printf "\n"
done
printf "\n"
}
# $1: library name (e.g. crypto).
# $2: module prefix (e.g. CRYPTO).
# $3: build type.
# $4: source directory.
# $5: output directory.
build_shared_library () {
local name=$1
local prefix=$2
local build_type=$3
local src_dir="$4"
local out_dir="$5"
local shlib="lib${name}.so"
local build_linker=$(get_build_linker $build_type)
clear_sources
build_sources $prefix $build_type
# TODO(digit): Make the clang build link properly.
printf "SHLIB=\$(OUT_DIR)/$shlib\n"
printf "\$(SHLIB): PRIVATE_LINKER := \$(BUILD_LINKER)\n"
case $build_type in
clang-android-*)
printf "\$(SHLIB): PRIVATE_CRTBEGIN := \$(CRTBEGIN_SO)\n"
printf "\$(SHLIB): PRIVATE_CRTEND := \$(CRTEND_SO)\n"
;;
esac
printf "\$(SHLIB): \$(BUILD_OBJECTS)\n"
printf "\t@echo [$build_type] SHARED_LIBRARY $(basename $shlib)\n"
printf "\t@mkdir -p \$\$(dirname \$@)\n"
case $build_type in
clang-android-*)
printf "\t\$(hide) \$(PRIVATE_LINKER) -nostdlib -shared -o \$@ \$(PRIVATE_CRTBEGIN) \$^ \$(PRIVATE_CRTEND)\n"
;;
*)
printf "\t\$(hide) \$(PRIVATE_LINKER) -shared -o \$@ \$^\n"
;;
esac
printf "\n"
}
# $1: executable name.
# $2: module prefix (e.g. APPS).
# $3: build type.
# $4: source directory.
# $5: output directory.
# $6: dependent shared libraries (e.g. 'crypto ssl')
build_executable () {
local name=$1
local prefix=$2
local build_type=$3
local src_dir="$4"
local out_dir="$5"
local shlibs="$6"
local build_linker=$(get_build_linker $build_type)
clear_sources
build_sources $prefix $build_type
# TODO(digit): Make the clang build link properly.
exec=$name
all_shlibs=
printf "EXEC := \$(OUT_DIR)/$name\n"
printf "openssl_all: \$(EXEC)\n"
printf "\$(EXEC): PRIVATE_LINKER := \$(BUILD_LINKER)\n"
printf "\$(EXEC): \$(BUILD_OBJECTS)"
for lib in $shlibs; do
printf " \$(OUT_DIR)/lib${lib}.so"
done
printf "\n"
printf "\t@echo [$build_type] EXECUTABLE $name\n"
printf "\t@mkdir -p \$\$(dirname \$@)\n"
printf "\t\$(hide) \$(PRIVATE_LINKER) -o \$@ \$^\n"
printf "\n"
}
ALL_BUILDS=
generate_openssl_build () {
local build_type=$1
local out="$OUT_DIR/$build_type"
ALL_BUILDS="$ALL_BUILDS $build_type"
echo "# Build type: $build_type"
build_shared_library crypto CRYPTO $build_type "$SRC_DIR" "$out"
build_shared_library ssl SSL $build_type "$SRC_DIR" "$out"
build_executable openssl APPS $build_type "$SRC_DIR" "$out" "crypto ssl"
}
generate_makefile () {
echo \
"# Auto-generated by $PROGDIR - do not edit
.PHONY: openssl_all
all: openssl_all
# Use 'make V=1' to print build commands.
ifeq (1,\$(V))
hide :=
else
hide := @
endif
SRC_DIR=$SRC_DIR
OUT_DIR=$OUT_DIR
"
for BUILD_TYPE in $BUILD_TYPES; do
generate_openssl_build gcc-$BUILD_TYPE
done
# TODO(digit): Make the Clang build run.
# for BUILD_TYPE in $ANDROID_BUILD_TYPES; do
# generate_openssl_build clang-$BUILD_TYPE
# done
}
. $SRC_DIR/openssl.config
dump "Generating Makefile"
log "Makefile path: $MAKEFILE"
generate_makefile > $MAKEFILE
dump "Building libraries with $NUM_JOBS jobs"
dump "For the following builds:"
for BUILD in $ALL_BUILDS; do
dump " $BUILD"
done
MAKE_FLAGS="-j$NUM_JOBS"
if [ "$VERBOSE" -gt 2 ]; then
MAKE_FLAGS="$MAKE_FLAGS V=1"
fi
run make $MAKE_FLAGS -f "$MAKEFILE" -C "$BUILD_DIR"
case $? in
0)
dump "All OK, congratulations!"
;;
*)
dump "Error, try doing the following to inspect the issues:"
dump " $PROGNAME --build-dir=/tmp/mybuild"
dump " make -C /tmp/mybuild V=1"
dump " "
;;
esac