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Diffstat (limited to 'scripts/tools/prebuilt-common.sh')
| -rwxr-xr-x | scripts/tools/prebuilt-common.sh | 1607 |
1 files changed, 1607 insertions, 0 deletions
diff --git a/scripts/tools/prebuilt-common.sh b/scripts/tools/prebuilt-common.sh new file mode 100755 index 00000000..4b162010 --- /dev/null +++ b/scripts/tools/prebuilt-common.sh @@ -0,0 +1,1607 @@ +# Common functions for all prebuilt-related scripts +# This is included/sourced by other scripts +# + +# ensure stable sort order +export LC_ALL=C + +# NDK_BUILDTOOLS_PATH should point to the directory containing +# this script. If it is not defined, assume that this is one of +# the scripts in the same directory that sourced this file. +# +if [ -z "$NDK_BUILDTOOLS_PATH" ]; then + NDK_BUILDTOOLS_PATH=$(dirname $0) + if [ ! -f "$NDK_BUILDTOOLS_PATH/prebuilt-common.sh" ]; then + echo "INTERNAL ERROR: Please define NDK_BUILDTOOLS_PATH to point to \$NDK/build/tools" + exit 1 + fi +fi + +# Warn if /bin/sh isn't bash. +if [ -z "$BASH_VERSION" ] ; then + echo "WARNING: The shell running this script isn't bash. Although we try to avoid bashism in scripts, things can happen." +fi + +NDK_BUILDTOOLS_ABSPATH=$(cd $NDK_BUILDTOOLS_PATH && pwd) + +. $NDK_BUILDTOOLS_PATH/ndk-common.sh +. $NDK_BUILDTOOLS_PATH/dev-defaults.sh + +# Given an input string of the form <foo>-<bar>-<version>, where +# <version> can be <major>.<minor>, extract <major> +extract_version () +{ + echo $1 | tr '-' '\n' | tail -1 +} + +# $1: versioned name (e.g. arm-linux-androideabi-4.8) +# Out: major version (e.g. 4) +# +# Examples: arm-linux-androideabi-4.4.3 -> 4 +# gmp-0.81 -> 0 +# +extract_major_version () +{ + local RET=$(extract_version $1 | cut -d . -f 1) + RET=${RET:-0} + echo $RET +} + +# Same as extract_major_version, but for the minor version number +# $1: versioned named +# Out: minor version +# +extract_minor_version () +{ + local RET=$(extract_version $1 | cut -d . -f 2) + RET=${RET:-0} + echo $RET +} + +# Compare two version numbers and only succeeds if the first one is +# greater than or equal to the second one. +# +# $1: first version (e.g. 4.9) +# $2: second version (e.g. 4.8) +# +# Example: version_is_at_least 4.9 4.8 --> success +# +version_is_at_least () +{ + local A_MAJOR A_MINOR B_MAJOR B_MINOR + A_MAJOR=$(extract_major_version $1) + B_MAJOR=$(extract_major_version $2) + + if [ $A_MAJOR -lt $B_MAJOR ]; then + return 1 + elif [ $A_MAJOR -gt $B_MAJOR ]; then + return 0 + fi + + # We have A_MAJOR == B_MAJOR here + + A_MINOR=$(extract_minor_version $1) + B_MINOR=$(extract_minor_version $2) + + if [ $A_MINOR -lt $B_MINOR ]; then + return 0 + else + return 1 + fi +} + +#==================================================== +# +# UTILITY FUNCTIONS +# +#==================================================== + +# Return the maximum length of a series of strings +# +# Usage: len=`max_length <string1> <string2> ...` +# +max_length () +{ + echo "$@" | tr ' ' '\n' | awk 'BEGIN {max=0} {len=length($1); if (len > max) max=len} END {print max}' +} + +# Translate dashes to underscores +# Usage: str=`dashes_to_underscores <values>` +dashes_to_underscores () +{ + echo "$@" | tr '-' '_' +} + +# Translate underscores to dashes +# Usage: str=`underscores_to_dashes <values>` +underscores_to_dashes () +{ + echo "$@" | tr '_' '-' +} + +# Translate commas to spaces +# Usage: str=`commas_to_spaces <list>` +commas_to_spaces () +{ + echo "$@" | tr ',' ' ' +} + +# Translate spaces to commas +# Usage: list=`spaces_to_commas <string>` +spaces_to_commas () +{ + echo "$@" | tr ' ' ',' +} + +# Remove trailing path of a path +# $1: path +remove_trailing_slash () { + echo ${1%%/} +} + +# Reverse a file path directory +# foo -> . +# foo/bar -> .. +# foo/bar/zoo -> ../.. +reverse_path () +{ + local path cur item + path=${1%%/} # remove trailing slash + cur="." + if [ "$path" != "." ] ; then + for item in $(echo "$path" | tr '/' ' '); do + cur="../$cur" + done + fi + echo ${cur%%/.} +} + +# test_reverse_path () +# { +# rr=`reverse_path $1` +# if [ "$rr" != "$2" ] ; then +# echo "ERROR: reverse_path '$1' -> '$rr' (expected '$2')" +# fi +# } +# +# test_reverse_path . . +# test_reverse_path ./ . +# test_reverse_path foo .. +# test_reverse_path foo/ .. +# test_reverse_path foo/bar ../.. +# test_reverse_path foo/bar/ ../.. +# test_reverse_path foo/bar/zoo ../../.. +# test_reverse_path foo/bar/zoo/ ../../.. + +# Sort a space-separated list and remove duplicates +# $1+: slist +# Output: new slist +sort_uniq () +{ + local RET + RET=$(echo "$@" | tr ' ' '\n' | sort -u) + echo $RET +} + +# Return the list of all regular files under a given directory +# $1: Directory path +# Output: list of files, relative to $1 +list_files_under () +{ + if [ -d "$1" ]; then + (cd $1 && find . -type f | sed -e "s!./!!" | sort -u) + else + echo "" + fi +} + +# Returns all words in text that do not match any of the pattern +# $1: pattern +# $2: text +filter_out () +{ + local PATTERN="$1" + local TEXT="$2" + for pat in $PATTERN; do + pat=$"${pat//\//\\/}" + TEXT=$(echo $TEXT | sed -e 's/'$pat' //g' -e 's/'$pat'$//g') + done + echo $TEXT +} + +# Assign a value to a variable +# $1: Variable name +# $2: Value +var_assign () +{ + eval $1=\"$2\" +} + +#==================================================== +# +# OPTION PROCESSING +# +#==================================================== + +# We recognize the following option formats: +# +# -f +# --flag +# +# -s<value> +# --setting=<value> +# + +# NOTE: We translate '-' into '_' when storing the options in global variables +# + +OPTIONS="" +OPTION_FLAGS="" +OPTION_SETTINGS="" + +# Set a given option attribute +# $1: option name +# $2: option attribute +# $3: attribute value +# +option_set_attr () +{ + eval OPTIONS_$1_$2=\"$3\" +} + +# Get a given option attribute +# $1: option name +# $2: option attribute +# +option_get_attr () +{ + echo `var_value OPTIONS_$1_$2` +} + +# Register a new option +# $1: option +# $2: small abstract for the option +# $3: optional. default value +# +register_option_internal () +{ + optlabel= + optname= + optvalue= + opttype= + while [ -n "1" ] ; do + # Check for something like --setting=<value> + echo "$1" | grep -q -E -e '^--[^=]+=<.+>$' + if [ $? = 0 ] ; then + optlabel=`expr -- "$1" : '\(--[^=]*\)=.*'` + optvalue=`expr -- "$1" : '--[^=]*=\(<.*>\)'` + opttype="long_setting" + break + fi + + # Check for something like --flag + echo "$1" | grep -q -E -e '^--[^=]+$' + if [ $? = 0 ] ; then + optlabel="$1" + opttype="long_flag" + break + fi + + # Check for something like -f<value> + echo "$1" | grep -q -E -e '^-[A-Za-z0-9]<.+>$' + if [ $? = 0 ] ; then + optlabel=`expr -- "$1" : '\(-.\).*'` + optvalue=`expr -- "$1" : '-.\(<.+>\)'` + opttype="short_setting" + break + fi + + # Check for something like -f + echo "$1" | grep -q -E -e '^-.$' + if [ $? = 0 ] ; then + optlabel="$1" + opttype="short_flag" + break + fi + + echo "ERROR: Invalid option format: $1" + echo " Check register_option call" + exit 1 + done + + log "new option: type='$opttype' name='$optlabel' value='$optvalue'" + + optname=`dashes_to_underscores $optlabel` + OPTIONS="$OPTIONS $optname" + OPTIONS_TEXT="$OPTIONS_TEXT $1" + option_set_attr $optname label "$optlabel" + option_set_attr $optname otype "$opttype" + option_set_attr $optname value "$optvalue" + option_set_attr $optname text "$1" + option_set_attr $optname abstract "$2" + option_set_attr $optname default "$3" +} + +# Register a new option with a function callback. +# +# $1: option +# $2: name of function that will be called when the option is parsed +# $3: small abstract for the option +# $4: optional. default value +# +register_option () +{ + local optname optvalue opttype optlabel + register_option_internal "$1" "$3" "$4" + option_set_attr $optname funcname "$2" +} + +# Register a new option with a variable store +# +# $1: option +# $2: name of variable that will be set by this option +# $3: small abstract for the option +# +# NOTE: The current value of $2 is used as the default +# +register_var_option () +{ + local optname optvalue opttype optlabel + register_option_internal "$1" "$3" "`var_value $2`" + option_set_attr $optname varname "$2" +} + + +MINGW=no +DARWIN=no +do_mingw_option () +{ + if [ "$DARWIN" = "yes" ]; then + echo "Can not have both --mingw and --darwin" + exit 1 + fi + MINGW=yes; +} +do_darwin_option () +{ + if [ "$MINGW" = "yes" ]; then + echo "Can not have both --mingw and --darwin" + exit 1 + fi + DARWIN=yes; +} + +register_canadian_option () +{ + if [ "$HOST_OS" = "linux" ] ; then + register_option "--mingw" do_mingw_option "Generate windows binaries on Linux." + register_option "--darwin" do_darwin_option "Generate darwin binaries on Linux." + fi +} + +TRY64=no +do_try64_option () { TRY64=yes; } + +register_try64_option () +{ + register_option "--try-64" do_try64_option "Generate 64-bit only binaries." +} + + +register_jobs_option () +{ + NUM_JOBS=$BUILD_NUM_CPUS + register_var_option "-j<number>" NUM_JOBS "Use <number> parallel build jobs" +} + +# Print the help, including a list of registered options for this program +# Note: Assumes PROGRAM_PARAMETERS and PROGRAM_DESCRIPTION exist and +# correspond to the parameters list and the program description +# +print_help () +{ + local opt text abstract default + + echo "Usage: $PROGNAME [options] $PROGRAM_PARAMETERS" + echo "" + if [ -n "$PROGRAM_DESCRIPTION" ] ; then + echo "$PROGRAM_DESCRIPTION" + echo "" + fi + echo "Valid options (defaults are in brackets):" + echo "" + + maxw=`max_length "$OPTIONS_TEXT"` + AWK_SCRIPT=`echo "{ printf \"%-${maxw}s\", \\$1 }"` + for opt in $OPTIONS; do + text=`option_get_attr $opt text | awk "$AWK_SCRIPT"` + abstract=`option_get_attr $opt abstract` + default=`option_get_attr $opt default` + if [ -n "$default" ] ; then + echo " $text $abstract [$default]" + else + echo " $text $abstract" + fi + done + echo "" +} + +option_panic_no_args () +{ + echo "ERROR: Option '$1' does not take arguments. See --help for usage." + exit 1 +} + +option_panic_missing_arg () +{ + echo "ERROR: Option '$1' requires an argument. See --help for usage." + exit 1 +} + +extract_parameters () +{ + local opt optname otype value name fin funcname + PARAMETERS="" + while [ -n "$1" ] ; do + # If the parameter does not begin with a dash + # it is not an option. + param=`expr -- "$1" : '^\([^\-].*\)$'` + if [ -n "$param" ] ; then + if [ -z "$PARAMETERS" ] ; then + PARAMETERS="$1" + else + PARAMETERS="$PARAMETERS $1" + fi + shift + continue + fi + + while [ -n "1" ] ; do + # Try to match a long setting, i.e. --option=value + opt=`expr -- "$1" : '^\(--[^=]*\)=.*$'` + if [ -n "$opt" ] ; then + otype="long_setting" + value=`expr -- "$1" : '^--[^=]*=\(.*\)$'` + break + fi + + # Try to match a long flag, i.e. --option + opt=`expr -- "$1" : '^\(--.*\)$'` + if [ -n "$opt" ] ; then + otype="long_flag" + value="yes" + break + fi + + # Try to match a short setting, i.e. -o<value> + opt=`expr -- "$1" : '^\(-[A-Za-z0-9]\)..*$'` + if [ -n "$opt" ] ; then + otype="short_setting" + value=`expr -- "$1" : '^-.\(.*\)$'` + break + fi + + # Try to match a short flag, i.e. -o + opt=`expr -- "$1" : '^\(-.\)$'` + if [ -n "$opt" ] ; then + otype="short_flag" + value="yes" + break + fi + + echo "ERROR: Unknown option '$1'. Use --help for list of valid values." + exit 1 + done + + #echo "Found opt='$opt' otype='$otype' value='$value'" + + name=`dashes_to_underscores $opt` + found=0 + for xopt in $OPTIONS; do + if [ "$name" != "$xopt" ] ; then + continue + fi + # Check that the type is correct here + # + # This also allows us to handle -o <value> as -o<value> + # + xotype=`option_get_attr $name otype` + if [ "$otype" != "$xotype" ] ; then + case "$xotype" in + "short_flag") + option_panic_no_args $opt + ;; + "short_setting") + if [ -z "$2" ] ; then + option_panic_missing_arg $opt + fi + value="$2" + shift + ;; + "long_flag") + option_panic_no_args $opt + ;; + "long_setting") + option_panic_missing_arg $opt + ;; + esac + fi + found=1 + break + break + done + if [ "$found" = "0" ] ; then + echo "ERROR: Unknown option '$opt'. See --help for usage." + exit 1 + fi + # Set variable or launch option-specific function. + varname=`option_get_attr $name varname` + if [ -n "$varname" ] ; then + eval ${varname}=\"$value\" + else + eval `option_get_attr $name funcname` \"$value\" + fi + shift + done +} + +do_option_help () +{ + print_help + exit 0 +} + +VERBOSE=no +do_option_verbose () +{ + VERBOSE=yes +} + +DRYRUN=no +do_option_dryrun () +{ + DRYRUN=yes +} + +register_option "--help" do_option_help "Print this help." +register_option "--verbose" do_option_verbose "Enable verbose mode." +register_option "--dryrun" do_option_dryrun "Set to dryrun mode." + +#==================================================== +# +# TOOLCHAIN AND ABI PROCESSING +# +#==================================================== + +# Determine optional variable value +# $1: final variable name +# $2: option variable name +# $3: small description for the option +fix_option () +{ + if [ -n "$2" ] ; then + eval $1="$2" + log "Using specific $3: $2" + else + log "Using default $3: `var_value $1`" + fi +} + + +# If SYSROOT is empty, check that $1/$2 contains a sysroot +# and set the variable to it. +# +# $1: sysroot path +# $2: platform/arch suffix +check_sysroot () +{ + if [ -z "$SYSROOT" ] ; then + log "Probing directory for sysroot: $1/$2" + if [ -d $1/$2 ] ; then + SYSROOT=$1/$2 + fi + fi +} + +# Determine sysroot +# $1: Option value (or empty) +# +fix_sysroot () +{ + if [ -n "$1" ] ; then + eval SYSROOT="$1" + log "Using specified sysroot: $1" + else + SYSROOT_SUFFIX=$PLATFORM/arch-$ARCH + SYSROOT= + check_sysroot $NDK_DIR/platforms $SYSROOT_SUFFIX + check_sysroot $ANDROID_NDK_ROOT/platforms $SYSROOT_SUFFIX + check_sysroot `dirname $ANDROID_NDK_ROOT`/development/ndk/platforms $SYSROOT_SUFFIX + + if [ -z "$SYSROOT" ] ; then + echo "ERROR: Could not find NDK sysroot path for $SYSROOT_SUFFIX." + echo " Use --sysroot=<path> to specify one." + exit 1 + fi + fi + + if [ ! -f $SYSROOT/usr/include/stdlib.h ] ; then + echo "ERROR: Invalid sysroot path: $SYSROOT" + echo " Use --sysroot=<path> to indicate a valid one." + exit 1 + fi +} + +# Check for the availability of a compatibility SDK in Darwin +# this can be used to generate binaries compatible with either Tiger or +# Leopard. +# +# $1: SDK root path +# $2: Optional MacOS X minimum version (e.g. 10.5) +DARWIN_MINVER=10.6 +check_darwin_sdk () +{ + local MACSDK="$1" + local MINVER=$2 + + if [ -z "$MINVER" ] ; then + # expect SDK root path ended up with either MacOSX##.#.sdk or MacOSX##.#u.sdk + MINVER=${MACSDK##*MacOSX} + MINVER=${MINVER%%.sdk*} + if [ "$MINVER" = "10.4u" ]; then + MINVER=10.4 + fi + fi + if [ -d "$MACSDK" ] ; then + HOST_CFLAGS=$HOST_CFLAGS" -isysroot $MACSDK -mmacosx-version-min=$MINVER -DMACOSX_DEPLOYMENT_TARGET=$MINVER" + HOST_LDFLAGS=$HOST_LDFLAGS" -Wl,-syslibroot,$MACSDK -mmacosx-version-min=$MINVER" + DARWIN_MINVER=$MINVER + return 0 # success + fi + return 1 +} + +# Probe Darwin SDK in specified diectory $DARWIN_SYSROOT, or +# /Developer/SDKs/MacOSX10.6.sdk +# +probe_darwin_sdk () +{ + if [ -n "$DARWIN_SYSROOT" ]; then + if check_darwin_sdk "$DARWIN_SYSROOT"; then + log "Use darwin sysroot $DARWIN_SYSROOT" + else + echo "darwin sysroot $DARWIN_SYSROOT is not valid" + exit 1 + fi + elif check_darwin_sdk /Developer/SDKs/MacOSX10.6.sdk 10.6; then + log "Generating Snow Leopard-compatible binaries!" + else + local version=`sw_vers -productVersion` + log "Generating $version-compatible binaries!" + fi +} + +handle_canadian_build () +{ + HOST_EXE= + if [ "$MINGW" = "yes" -o "$DARWIN" = "yes" ] ; then + case $HOST_TAG in + linux-*) + ;; + *) + echo "ERROR: Can only enable --mingw or --darwin on Linux platforms !" + exit 1 + ;; + esac + if [ "$MINGW" = "yes" ] ; then + # NOTE: Use x86_64-pc-mingw32msvc or i586-pc-mingw32msvc because wrappers are generated + # using these names + if [ "$TRY64" = "yes" ]; then + ABI_CONFIGURE_HOST=x86_64-pc-mingw32msvc + HOST_TAG=windows-x86_64 + else + ABI_CONFIGURE_HOST=i586-pc-mingw32msvc + HOST_TAG=windows + fi + HOST_OS=windows + HOST_EXE=.exe + else + if [ "$TRY64" = "yes" ]; then + ABI_CONFIGURE_HOST=x86_64-apple-darwin + HOST_TAG=darwin-x86_64 + else + ABI_CONFIGURE_HOST=i686-apple-darwin + HOST_TAG=darwin-x86 + fi + HOST_OS=darwin + fi + fi +} + +# Find mingw toolchain +# +# Set MINGW_GCC to the found mingw toolchain +# +find_mingw_toolchain () +{ + if [ "$DEBIAN_NAME" -a "$BINPREFIX" -a "$MINGW_GCC" ]; then + return + fi + # IMPORTANT NOTE: binutils 2.21 requires a cross toolchain named + # i585-pc-mingw32msvc-gcc, or it will fail its configure step late + # in the toolchain build. Note that binutils 2.19 can build properly + # with i585-mingw32mvsc-gcc, which is the name used by the 'mingw32' + # toolchain install on Debian/Ubuntu. + # + # To solve this dilemma, we create a wrapper toolchain named + # i586-pc-mingw32msvc-gcc that really calls i586-mingw32msvc-gcc, + # this works with all versions of binutils. + # + # We apply the same logic to the 64-bit Windows cross-toolchain + # + # Fedora note: On Fedora it's x86_64-w64-mingw32- or i686-w64-mingw32- + # On older Fedora it's 32-bit only and called i686-pc-mingw32- + # so we just add more prefixes to the list to check. + if [ "$HOST_ARCH" = "x86_64" -a "$TRY64" = "yes" ]; then + BINPREFIX=x86_64-pc-mingw32msvc- + #BINPREFIXLST="x86_64-w64-mingw32- x86_64-pc-mingw32msvc- amd64-mingw32msvc-" + MINGW_GCC=x86_64-w64-mingw32-gcc + DEBIAN_NAME=mingw64 + MINGW_PATH="$ANDROID_NDK_ROOT/../prebuilts/gcc/linux-x86/host/x86_64-w64-mingw32-4.8/bin" + else + # we are trying 32 bit anyway, so forcing it to avoid build issues + force_32bit_binaries + BINPREFIX=i586-pc-mingw32msvc- + #BINPREFIXLST="i686-w64-mingw32- i586-pc-mingw32msvc- i686-pc-mingw32- i586-mingw32msvc-" + MINGW_GCC=i686-w64-mingw32-gcc + DEBIAN_NAME=mingw32 + MINGW_PATH="$ANDROID_NDK_ROOT/../prebuilts/gcc/linux-x86/host/i686-w64-mingw32-4.8/bin" + fi + + export PATH="$MINGW_PATH:$PATH" + dump "Will use mingw toolchain in: $MINGW_PATH" + + + # Scan $BINPREFIXLST list to find installed mingw toolchain. It will be + # wrapped later with $BINPREFIX. + #for i in $BINPREFIXLST; do + # find_program MINGW_GCC ${i}gcc + # if [ -n "$MINGW_GCC" ]; then + # dump "Found mingw toolchain: $MINGW_GCC" + # break + # fi + #done +} + +# Check there is a working cross-toolchain installed. +# +# $1: install directory for mingw/darwin wrapper toolchain +# +prepare_canadian_toolchain () +{ + if [ "$MINGW" != "yes" -a "$DARWIN" != "yes" ]; then + return + fi + CROSS_GCC= + if [ "$MINGW" = "yes" ]; then + find_mingw_toolchain + if [ -z "$MINGW_GCC" ]; then + echo "ERROR: Could not find in your PATH any of:" + for i in $BINPREFIXLST; do echo " ${i}gcc"; done + echo "Please install the corresponding cross-toolchain and re-run this script" + echo "TIP: On Debian or Ubuntu, try: sudo apt-get install $DEBIAN_NAME" + exit 1 + fi + CROSS_GCC=$MINGW_GCC + else + if [ -z "$DARWIN_TOOLCHAIN" ]; then + echo "Please set DARWIN_TOOLCHAIN to darwin cross-toolchain" + exit 1 + fi + if [ ! -f "${DARWIN_TOOLCHAIN}-gcc" ]; then + echo "darwin cross-toolchain $DARWIN_TOOLCHAIN-gcc doesn't exist" + exit 1 + fi + if [ "$HOST_ARCH" = "x86_64" -a "$TRY64" = "yes" ]; then + BINPREFIX=x86_64-apple-darwin- + DEBIAN_NAME=darwin64 + HOST_CFLAGS=$HOST_CFLAGS" -m64" + else + force_32bit_binaries + BINPREFIX=i686-apple-darwin- + DEBIAN_NAME=darwin32 + HOST_CFLAGS=$HOST_CFLAGS" -m32" + fi + CROSS_GCC=${DARWIN_TOOLCHAIN}-gcc + probe_darwin_sdk + fi + + # Create a wrapper toolchain, and prepend its dir to our PATH + CROSS_WRAP_DIR="$1"/$DEBIAN_NAME-wrapper + rm -rf "$CROSS_WRAP_DIR" + mkdir -p "$CROSS_WRAP_DIR" + + if [ "$DARWIN" = "yes" ] ; then + cat > "$CROSS_WRAP_DIR/sw_vers" <<EOF +#!/bin/sh +# Tiny utility for the real sw_vers some Makefiles need +case \$1 in + -productVersion) + echo $DARWIN_MINVER + ;; + *) + echo "ERROR: Unknown switch \$1" + exit 1 +esac +EOF + chmod 0755 "$CROSS_WRAP_DIR/sw_vers" + fi + + DST_PREFIX=${CROSS_GCC%gcc} + if [ "$NDK_CCACHE" ]; then + DST_PREFIX="$NDK_CCACHE $DST_PREFIX" + fi + $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh --src-prefix=$BINPREFIX --dst-prefix="$DST_PREFIX" "$CROSS_WRAP_DIR" \ + --cflags="$HOST_CFLAGS" --cxxflags="$HOST_CFLAGS" --ldflags="$HOST_LDFLAGS" + # generate wrappers for BUILD toolchain + # this is required for mingw/darwin build to avoid tools canadian cross configuration issues + # 32-bit BUILD toolchain + LEGACY_TOOLCHAIN_DIR="$ANDROID_NDK_ROOT/../prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8" + $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh --src-prefix=i386-linux-gnu- \ + --cflags="-m32" --cxxflags="-m32" --ldflags="-m elf_i386" --asflags="--32" \ + --dst-prefix="$LEGACY_TOOLCHAIN_DIR/bin/x86_64-linux-" "$CROSS_WRAP_DIR" + $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh --src-prefix=i386-pc-linux-gnu- \ + --cflags="-m32" --cxxflags="-m32" --ldflags="-m elf_i386" --asflags="--32" \ + --dst-prefix="$LEGACY_TOOLCHAIN_DIR/bin/x86_64-linux-" "$CROSS_WRAP_DIR" + # 64-bit BUILD toolchain. libbfd is still built in 32-bit. + $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh --src-prefix=x86_64-linux-gnu- \ + --dst-prefix="$LEGACY_TOOLCHAIN_DIR/bin/x86_64-linux-" "$CROSS_WRAP_DIR" + $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh --src-prefix=x86_64-pc-linux-gnu- \ + --dst-prefix="$LEGACY_TOOLCHAIN_DIR/bin/x86_64-linux-" "$CROSS_WRAP_DIR" + fail_panic "Could not create $DEBIAN_NAME wrapper toolchain in $CROSS_WRAP_DIR" + + export PATH=$CROSS_WRAP_DIR:$PATH + dump "Using $DEBIAN_NAME wrapper: $CROSS_WRAP_DIR/${BINPREFIX}gcc" +} + +handle_host () +{ + if [ "$TRY64" != "yes" ]; then + force_32bit_binaries # to modify HOST_TAG and others + HOST_BITS=32 + fi + handle_canadian_build +} + +setup_ccache () +{ + # Support for ccache compilation + # We can't use this here when building Windows/darwin binaries on Linux with + # binutils 2.21, because defining CC/CXX in the environment makes the + # configure script fail later + # + if [ "$NDK_CCACHE" -a "$MINGW" != "yes" -a "$DARWIN" != "yes" ]; then + NDK_CCACHE_CC=$CC + NDK_CCACHE_CXX=$CXX + # Unfortunately, we can just do CC="$NDK_CCACHE $CC" because some + # configure scripts are not capable of dealing with this properly + # E.g. the ones used to rebuild the GCC toolchain from scratch. + # So instead, use a wrapper script + CC=$NDK_BUILDTOOLS_ABSPATH/ndk-ccache-gcc.sh + CXX=$NDK_BUILDTOOLS_ABSPATH/ndk-ccache-g++.sh + export NDK_CCACHE_CC NDK_CCACHE_CXX + log "Using ccache compilation" + log "NDK_CCACHE_CC=$NDK_CCACHE_CC" + log "NDK_CCACHE_CXX=$NDK_CCACHE_CXX" + fi +} + +prepare_common_build () +{ + if [ "$MINGW" = "yes" -o "$DARWIN" = "yes" ]; then + if [ "$TRY64" = "yes" ]; then + HOST_BITS=64 + else + HOST_BITS=32 + fi + if [ "$MINGW" = "yes" ]; then + log "Generating $HOST_BITS-bit Windows binaries" + else + log "Generating $HOST_BITS-bit Darwin binaries" + fi + # Do *not* set CC and CXX when building the Windows/Darwin binaries in canadian build. + # Otherwise, the GCC configure/build script will mess that Canadian cross + # build in weird ways. Instead we rely on the toolchain detected or generated + # previously in prepare_canadian_toolchain. + unset CC CXX + return + fi + + # On Linux, detect our legacy-compatible toolchain when in the Android + # source tree, and use it to force the generation of glibc-2.7 compatible + # binaries. + # + # We only do this if the CC variable is not defined to a given value + if [ -z "$CC" ]; then + LEGACY_TOOLCHAIN_DIR= + if [ "$HOST_OS" = "linux" ]; then + LEGACY_TOOLCHAIN_DIR="$ANDROID_NDK_ROOT/../prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.11-4.8/bin" + LEGACY_TOOLCHAIN_PREFIX="$LEGACY_TOOLCHAIN_DIR/x86_64-linux-" + elif [ "$HOST_OS" = "darwin" ]; then + local GCCVER=4.9.3 + local LLVMVER=3.7.0 + local GCCDIR="$ANDROID_NDK_ROOT/../prebuilts/gcc/darwin-x86/host/x86_64-apple-darwin-$GCCVER" + local LLVMDIR="$ANDROID_NDK_ROOT/../prebuilts/clang/darwin-x86/host/x86_64-apple-darwin-$LLVMVER" + + LEGACY_TOOLCHAIN_DIR="$GCCDIR/bin" + LEGACY_TOOLCHAIN_PREFIX="$LEGACY_TOOLCHAIN_DIR/" + + # For compilation LLDB's Objective-C++ sources we need use clang++, since g++ have a bug + # not distinguishing between Objective-C call and definition of C++11 lambda: + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57607 + # To workaround this, we're using prebuilt clang++ + # with includes from our g++, to keep binary compatibility of produced code + CXXINC="$LEGACY_TOOLCHAIN_DIR/../include/c++/$GCCVER" + CXXBITSINC="$CXXINC/x86_64-apple-darwin" + if [ "$TRY64" != "yes" ]; then + CXXBITSINC="$CXXBITSINC/i386" + fi + OBJCXX="$LLVMDIR/bin/clang++ -I$CXXBITSINC -I$CXXINC" + export OBJCXX + fi + if [ -d "$LEGACY_TOOLCHAIN_DIR" ] ; then + log "Forcing generation of $HOST_OS binaries with legacy toolchain" + CC="${LEGACY_TOOLCHAIN_PREFIX}gcc" + CXX="${LEGACY_TOOLCHAIN_PREFIX}g++" + fi + fi + + CC=${CC:-gcc} + CXX=${CXX:-g++} + STRIP=${STRIP:-strip} + case $HOST_TAG in + darwin-*) + probe_darwin_sdk + ;; + esac + + # Force generation of 32-bit binaries on 64-bit systems. + # We used to test the value of $HOST_TAG for *-x86_64, but this is + # not sufficient on certain systems. + # + # For example, Snow Leopard can be booted with a 32-bit kernel, running + # a 64-bit userland, with a compiler that generates 64-bit binaries by + # default *even* though "gcc -v" will report --target=i686-apple-darwin10! + # + # So know, simply probe for the size of void* by performing a small runtime + # compilation test. + # + cat > $TMPC <<EOF + /* this test should fail if the compiler generates 64-bit machine code */ + int test_array[1-2*(sizeof(void*) != 4)]; +EOF + log_n "Checking whether the compiler generates 32-bit binaries..." + log $CC $HOST_CFLAGS -c -o $TMPO $TMPC + $NDK_CCACHE $CC $HOST_CFLAGS -c -o $TMPO $TMPC >$TMPL 2>&1 + if [ $? != 0 ] ; then + log "no" + if [ "$TRY64" != "yes" ]; then + # NOTE: We need to modify the definitions of CC and CXX directly + # here. Just changing the value of CFLAGS / HOST_CFLAGS + # will not work well with the GCC toolchain scripts. + CC="$CC -m32" + CXX="$CXX -m32" + fi + else + log "yes" + if [ "$TRY64" = "yes" ]; then + CC="$CC -m64" + CXX="$CXX -m64" + fi + fi + + if [ "$TRY64" = "yes" ]; then + HOST_BITS=64 + else + force_32bit_binaries # to modify HOST_TAG and others + HOST_BITS=32 + fi +} + +prepare_host_build () +{ + prepare_common_build + + # Now deal with mingw or darwin + if [ "$MINGW" = "yes" -o "$DARWIN" = "yes" ]; then + handle_canadian_build + CC=$ABI_CONFIGURE_HOST-gcc + CXX=$ABI_CONFIGURE_HOST-g++ + CPP=$ABI_CONFIGURE_HOST-cpp + LD=$ABI_CONFIGURE_HOST-ld + AR=$ABI_CONFIGURE_HOST-ar + AS=$ABI_CONFIGURE_HOST-as + RANLIB=$ABI_CONFIGURE_HOST-ranlib + STRIP=$ABI_CONFIGURE_HOST-strip + export CC CXX CPP LD AR AS RANLIB STRIP + fi + + setup_ccache +} + +prepare_abi_configure_build () +{ + # detect build tag + case $HOST_TAG in + linux-x86) + ABI_CONFIGURE_BUILD=i386-linux-gnu + ;; + linux-x86_64) + ABI_CONFIGURE_BUILD=x86_64-linux-gnu + ;; + darwin-x86) + ABI_CONFIGURE_BUILD=i686-apple-darwin + ;; + darwin-x86_64) + ABI_CONFIGURE_BUILD=x86_64-apple-darwin + ;; + windows) + ABI_CONFIGURE_BUILD=i686-pc-cygwin + ;; + *) + echo "ERROR: Unsupported HOST_TAG: $HOST_TAG" + echo "Please update 'prepare_host_flags' in build/tools/prebuilt-common.sh" + ;; + esac +} + +prepare_target_build () +{ + prepare_abi_configure_build + + # By default, assume host == build + ABI_CONFIGURE_HOST="$ABI_CONFIGURE_BUILD" + + prepare_common_build + HOST_GMP_ABI=$HOST_BITS + + # Now handle the --mingw/--darwin flag + if [ "$MINGW" = "yes" -o "$DARWIN" = "yes" ] ; then + handle_canadian_build + STRIP=$ABI_CONFIGURE_HOST-strip + if [ "$MINGW" = "yes" ] ; then + # It turns out that we need to undefine this to be able to + # perform a canadian-cross build with mingw. Otherwise, the + # GMP configure scripts will not be called with the right options + HOST_GMP_ABI= + fi + fi + + setup_ccache +} + +# $1: Toolchain name +# +parse_toolchain_name () +{ + TOOLCHAIN=$1 + if [ -z "$TOOLCHAIN" ] ; then + echo "ERROR: Missing toolchain name!" + exit 1 + fi + + ABI_CFLAGS_FOR_TARGET= + ABI_CXXFLAGS_FOR_TARGET= + + # Determine ABI based on toolchain name + # + case "$TOOLCHAIN" in + arm-linux-androideabi-*) + ARCH="arm" + ABI="armeabi" + ABI_CONFIGURE_TARGET="arm-linux-androideabi" + ABI_CONFIGURE_EXTRA_FLAGS="--with-arch=armv5te" + ;; + arm-eabi-*) + ARCH="arm" + ABI="armeabi" + ABI_CONFIGURE_TARGET="arm-eabi" + ABI_CONFIGURE_EXTRA_FLAGS="--with-arch=armv5te --disable-gold --disable-libgomp" + ;; + aarch64-linux-android-*) + ARCH="arm64" + ABI="arm64-v8a" + ABI_CONFIGURE_TARGET="aarch64-linux-android" + ;; + x86-*) + ARCH="x86" + ABI=$ARCH + ABI_INSTALL_NAME="x86" + ABI_CONFIGURE_TARGET="i686-linux-android" + # Enable C++ exceptions, RTTI and GNU libstdc++ at the same time + # You can't really build these separately at the moment. + ABI_CFLAGS_FOR_TARGET="-fPIC" + ;; + x86_64-*) + ARCH="x86_64" + ABI=$ARCH + ABI_INSTALL_NAME="x86_64" + ABI_CONFIGURE_TARGET="x86_64-linux-android" + # Enable C++ exceptions, RTTI and GNU libstdc++ at the same time + # You can't really build these separately at the moment. + ABI_CFLAGS_FOR_TARGET="-fPIC" + ;; + mipsel*) + ARCH="mips" + ABI=$ARCH + ABI_INSTALL_NAME="mips" + ABI_CONFIGURE_TARGET="mipsel-linux-android" + # Set default to mips32 + ABI_CONFIGURE_EXTRA_FLAGS="--with-arch=mips32" + # Enable C++ exceptions, RTTI and GNU libstdc++ at the same time + # You can't really build these separately at the moment. + # Add -fpic, because MIPS NDK will need to link .a into .so. + ABI_CFLAGS_FOR_TARGET="-fexceptions -fpic" + ABI_CXXFLAGS_FOR_TARGET="-frtti -fpic" + # Add --disable-fixed-point to disable fixed-point support + ABI_CONFIGURE_EXTRA_FLAGS="$ABI_CONFIGURE_EXTRA_FLAGS --disable-fixed-point" + ;; + mips64el*) + ARCH="mips64" + ABI=$ARCH + ABI_INSTALL_NAME="mips64" + ABI_CONFIGURE_TARGET="mips64el-linux-android" + # Set default to mips64r6 + ABI_CONFIGURE_EXTRA_FLAGS="--with-arch=mips64r6" + # Enable C++ exceptions, RTTI and GNU libstdc++ at the same time + # You can't really build these separately at the moment. + # Add -fpic, because MIPS NDK will need to link .a into .so. + ABI_CFLAGS_FOR_TARGET="-fexceptions -fpic" + ABI_CXXFLAGS_FOR_TARGET="-frtti -fpic" + # Add --disable-fixed-point to disable fixed-point support + ABI_CONFIGURE_EXTRA_FLAGS="$ABI_CONFIGURE_EXTRA_FLAGS --disable-fixed-point" + ;; + * ) + echo "Invalid toolchain specified. Expected (arm-linux-androideabi-*|arm-eabi-*|x86-*|mipsel*|mips64el*)" + echo "" + print_help + exit 1 + ;; + esac + + log "Targetting CPU: $ARCH" + + GCC_VERSION=`expr -- "$TOOLCHAIN" : '.*-\([0-9x\.]*\)'` + log "Using GCC version: $GCC_VERSION" + + # Determine --host value when building gdbserver + + case "$TOOLCHAIN" in + arm-*) + GDBSERVER_HOST=arm-eabi-linux + GDBSERVER_CFLAGS="-fno-short-enums" + GDBSERVER_LDFLAGS= + ;; + aarch64-*) + GDBSERVER_HOST=aarch64-eabi-linux + GDBSERVER_CFLAGS="-fno-short-enums -DUAPI_HEADERS" + GDBSERVER_LDFLAGS= + ;; + x86-*) + GDBSERVER_HOST=i686-linux-android + GDBSERVER_CFLAGS= + GDBSERVER_LDFLAGS= + ;; + x86_64-*) + GDBSERVER_HOST=x86_64-linux-android + GDBSERVER_CFLAGS=-DUAPI_HEADERS + GDBSERVER_LDFLAGS= + ;; + mipsel-*) + GDBSERVER_HOST=mipsel-linux-android + GDBSERVER_CFLAGS= + GDBSERVER_LDFLAGS= + ;; + mips64el-*) + GDBSERVER_HOST=mips64el-linux-android + GDBSERVER_CFLAGS=-DUAPI_HEADERS + GDBSERVER_LDFLAGS= + ;; + *) + echo "Unknown TOOLCHAIN=$TOOLCHAIN" + exit + esac +} + +# Return the host "tag" used to identify prebuilt host binaries. +# NOTE: Handles the case where '$MINGW = true' or '$DARWIN = true' +# For now, valid values are: linux-x86, darwin-x86 and windows +get_prebuilt_host_tag () +{ + local RET=$HOST_TAG + if [ "$MINGW" = "yes" ]; then + if [ "$TRY64" = "no" ]; then + RET=windows + else + RET=windows-x86_64 + fi + fi + if [ "$DARWIN" = "yes" ]; then + RET=darwin-x86_64 # let the following handles 32-bit case + fi + case $RET in + linux-x86_64) + if [ "$TRY64" = "no" ]; then + RET=linux-x86 + fi + ;; + darwin-x86_64) + if [ "$TRY64" = "no" ]; then + RET=darwin-x86 + fi + ;; + esac + echo $RET +} + +# Return the executable suffix corresponding to host executables +get_prebuilt_host_exe_ext () +{ + if [ "$MINGW" = "yes" ]; then + echo ".exe" + else + echo "" + fi +} + +# Get library suffix for given ABI +# $1: ABI +# Return: .so or .bc +get_lib_suffix_for_abi () +{ + local ABI=$1 + echo ".so" +} + +# Convert an ABI name into an Architecture name +# $1: ABI name +# Result: Arch name +convert_abi_to_arch () +{ + local RET + local ABI=$1 + case $ABI in + armeabi|armeabi-v7a|armeabi-v7a-hard) + RET=arm + ;; + x86|mips|x86_64|mips64) + RET=$ABI + ;; + mips32r6) + RET=mips + ;; + arm64-v8a) + RET=arm64 + ;; + *) + >&2 echo "ERROR: Unsupported ABI name: $ABI, use one of: armeabi, armeabi-v7a, x86, mips, armeabi-v7a-hard, arm64-v8a, x86_64 or mips64" + exit 1 + ;; + esac + echo "$RET" +} + +# Take architecture name as input, and output the list of corresponding ABIs +# Inverse for convert_abi_to_arch +# $1: ARCH name +# Out: ABI names list (comma-separated) +convert_arch_to_abi () +{ + local RET + local ARCH=$1 + case $ARCH in + arm) + RET=armeabi,armeabi-v7a,armeabi-v7a-hard + ;; + x86|x86_64|mips|mips64) + RET=$ARCH + ;; + arm64) + RET=arm64-v8a + ;; + *) + >&2 echo "ERROR: Unsupported ARCH name: $ARCH, use one of: arm, x86, mips" + exit 1 + ;; + esac + echo "$RET" +} + +# Take a list of architecture names as input, and output the list of corresponding ABIs +# $1: ARCH names list (separated by spaces or commas) +# Out: ABI names list (comma-separated) +convert_archs_to_abis () +{ + local RET + for ARCH in $(commas_to_spaces $@); do + ABI=$(convert_arch_to_abi $ARCH) + if [ -n "$ABI" ]; then + if [ -n "$RET" ]; then + RET=$RET",$ABI" + else + RET=$ABI + fi + else # Error message is printed by convert_arch_to_abi + exit 1 + fi + done + echo "$RET" +} + +# Return the default toolchain binary path prefix for given architecture and gcc version +# For example: arm 4.8 -> toolchains/arm-linux-androideabi-4.8/prebuilt/<system>/bin/arm-linux-androideabi- +# $1: Architecture name +# $2: GCC version +# $3: optional, system name, defaults to $HOST_TAG +get_toolchain_binprefix_for_arch () +{ + local NAME PREFIX DIR BINPREFIX + local SYSTEM=${3:-$(get_prebuilt_host_tag)} + NAME=$(get_toolchain_name_for_arch $1 $2) + PREFIX=$(get_default_toolchain_prefix_for_arch $1) + DIR=$(get_toolchain_install . $NAME $SYSTEM) + BINPREFIX=${DIR#./}/bin/$PREFIX- + echo "$BINPREFIX" +} + +# Return llvm toolchain binary path prefix for given llvm version +# $1: llvm version +# $2: optional, system name, defaults to $HOST_TAG +get_llvm_toolchain_binprefix () +{ + local NAME DIR BINPREFIX + local SYSTEM=${2:-$(get_prebuilt_host_tag)} + NAME=llvm-$1 + DIR=$(get_toolchain_install . $NAME $SYSTEM) + BINPREFIX=${DIR#./}/bin/ + echo "$BINPREFIX" +} + +# Return default API level for a given arch +# This is the level used to build the toolchains. +# +# $1: Architecture name +get_default_api_level_for_arch () +{ + # For now, always build the toolchain against API level 9 for 32-bit arch + # and API level $FIRST_API64_LEVEL for 64-bit arch + case $1 in + *64) echo $FIRST_API64_LEVEL ;; + *) echo 9 ;; + esac +} + +# Return the default platform sysroot corresponding to a given architecture +# This is the sysroot used to build the toolchain and other binaries like +# the STLport libraries. +# $1: Architecture name +get_default_platform_sysroot_for_arch () +{ + local ARCH=$1 + local LEVEL=$(get_default_api_level_for_arch $ARCH) + + if [ "$ARCH" != "${ARCH%%64*}" ] ; then + LEVEL=$FIRST_API64_LEVEL + fi + echo "platforms/android-$LEVEL/arch-$ARCH" +} + +# Return the default platform sysroot corresponding to a given abi +# $1: ABI +get_default_platform_sysroot_for_abi () +{ + local ARCH=$(convert_abi_to_arch $1) + $(get_default_platform_sysroot_for_arch $ARCH) +} + +# Return the default libs dir corresponding to a given architecture +# $1: Architecture name +# $2: Optional llvm version +get_default_libdir_for_arch () +{ + case $1 in + x86_64|mips64) echo "lib64" ;; + arm64) echo "lib" ;; # return "lib" until aarch64 is built to look for sysroot/usr/lib64 + *) echo "lib" ;; + esac +} + +# Return the default libs dir corresponding to a given abi +# $1: ABI +# $2: Optional llvm version +get_default_libdir_for_abi () +{ + local ARCH + + case $1 in + mips32r6) echo "libr6" ;; + *) + local ARCH=$(convert_abi_to_arch $1) + echo "$(get_default_libdir_for_arch $ARCH $2)" + ;; + esac +} + +# Return the host/build specific path for prebuilt toolchain binaries +# relative to $1. +# +# $1: target root NDK directory +# $2: toolchain name +# $3: optional, host system name +# +get_toolchain_install () +{ + local NDK="$1" + shift + echo "$NDK/$(get_toolchain_install_subdir "$@")" +} + +# $1: toolchain name +# $2: optional, host system name +get_toolchain_install_subdir () +{ + local SYSTEM=${2:-$(get_prebuilt_host_tag)} + echo "toolchains/$1/prebuilt/$SYSTEM" +} + +# Return the relative install prefix for prebuilt host +# executables (relative to the NDK top directory). +# NOTE: This deals with MINGW==yes or DARWIN==yes appropriately +# +# $1: optional, system name +# Out: relative path to prebuilt install prefix +get_prebuilt_install_prefix () +{ + local TAG=${1:-$(get_prebuilt_host_tag)} + echo "prebuilt/$TAG" +} + +# Return the relative path of an installed prebuilt host +# executable +# NOTE: This deals with MINGW==yes or DARWIN==yes appropriately. +# +# $1: executable name +# $2: optional, host system name +# Out: path to prebuilt host executable, relative +get_prebuilt_host_exec () +{ + local PREFIX EXE + PREFIX=$(get_prebuilt_install_prefix $2) + EXE=$(get_prebuilt_host_exe_ext) + echo "$PREFIX/bin/$1$EXE" +} + +# Return the name of a given host executable +# $1: executable base name +# Out: executable name, with optional suffix (e.g. .exe for windows) +get_host_exec_name () +{ + local EXE=$(get_prebuilt_host_exe_ext) + echo "$1$EXE" +} + +# Return the directory where host-specific binaries are installed. +# $1: target root NDK directory +get_host_install () +{ + echo "$1/$(get_prebuilt_install_prefix)" +} + +# Set the toolchain target NDK location. +# this sets TOOLCHAIN_PATH and TOOLCHAIN_PREFIX +# $1: target NDK path +# $2: toolchain name +set_toolchain_ndk () +{ + TOOLCHAIN_PATH=`get_toolchain_install "$1" $2` + log "Using toolchain path: $TOOLCHAIN_PATH" + + TOOLCHAIN_PREFIX=$TOOLCHAIN_PATH/bin/$ABI_CONFIGURE_TARGET + log "Using toolchain prefix: $TOOLCHAIN_PREFIX" +} + +# Check that a toolchain is properly installed at a target NDK location +# +# $1: target root NDK directory +# $2: toolchain name +# +check_toolchain_install () +{ + TOOLCHAIN_PATH=`get_toolchain_install "$1" $2` + if [ ! -d "$TOOLCHAIN_PATH" ] ; then + echo "ERROR: Cannot find directory '$TOOLCHAIN_PATH'!" + echo " Toolchain '$2' not installed in '$NDK_DIR'!" + echo " Ensure that the toolchain has been installed there before." + exit 1 + fi + + set_toolchain_ndk $1 $2 +} + +# $1: toolchain source directory +check_toolchain_src_dir () +{ + local SRC_DIR="$1" + if [ -z "$SRC_DIR" ]; then + echo "ERROR: Please provide the path to the toolchain source tree. See --help" + exit 1 + fi + + if [ ! -d "$SRC_DIR" ]; then + echo "ERROR: Not a directory: '$SRC_DIR'" + exit 1 + fi + + if [ ! -f "$SRC_DIR/build/configure" -o ! -d "$SRC_DIR/gcc" ]; then + echo "ERROR: Either the file $SRC_DIR/build/configure or" + echo " the directory $SRC_DIR/gcc does not exist." + echo "This is not the top of a toolchain tree: $SRC_DIR" + exit 1 + fi +} + +# +# The NDK_TMPDIR variable is used to specify a root temporary directory +# when invoking toolchain build scripts. If it is not defined, we will +# create one here, and export the value to ensure that any scripts we +# call after that use the same one. +# +if [ -z "$NDK_TMPDIR" ]; then + + NDK_TMPDIR=$TMPDIR/tmp/build-$$ + mkdir -p $NDK_TMPDIR + if [ $? != 0 ]; then + echo "ERROR: Could not create NDK_TMPDIR: $NDK_TMPDIR" + exit 1 + fi + export NDK_TMPDIR +fi + +# Define HOST_TAG32, as the 32-bit version of HOST_TAG +# We do this by replacing an -x86_64 suffix by -x86 +HOST_TAG32=$HOST_TAG +case $HOST_TAG32 in + *-x86_64) + HOST_TAG32=${HOST_TAG%%_64} + ;; +esac + +# this function should be called after all options are extracted +CACHE_HOST_TAG=linux-x86 +set_cache_host_tag () +{ + if [ "$MINGW" = "yes" ] ; then + if [ "$TRY64" = "yes" ]; then + CACHE_HOST_TAG=windows-x86_64 + else + CACHE_HOST_TAG=windows + fi + elif [ "$DARWIN" = "yes" -o "$HOST_OS" = "darwin" ] ; then + if [ "$TRY64" = "yes" ]; then + CACHE_HOST_TAG=darwin-x86_64 + else + CACHE_HOST_TAG=darwin-x86 + fi + else + if [ "$TRY64" = "yes" ]; then + CACHE_HOST_TAG=linux-x86_64 + fi + fi +} + +assert_cache_host_tag () +{ + if [ "$CACHE_HOST_TAG" != "$HOST_TAG" ]; then + fail_panic "ASSERT in $PROGNAME: $CACHE_HOST_TAG != $HOST_TAG" + fi +} |