1 # Copyright (C) 2012 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 # 15 16 # A set of function shared by the 'build-host-xxxx.sh' scripts. 17 # They are mostly related to building host libraries. 18 # 19 # NOTE: This script uses various prefixes: 20 # 21 # BH_ Used for public macros 22 # bh_ Use for public functions 23 # 24 # _BH_ Used for private macros 25 # _bh_ Used for private functions 26 # 27 # Callers should only rely on the public macros and functions defined here. 28 # 29 30 # List of macros defined by the functions here: 31 # 32 # defined by 'bh_set_build_tag' 33 # 34 # BH_BUILD_CONFIG Generic GNU config triplet for build system 35 # BH_BUILD_OS NDK system name 36 # BH_BUILD_ARCH NDK arch name 37 # BH_BUILD_TAG NDK system tag ($OS-$ARCH) 38 # BH_BUILD_BITS build system bitness (32 or 64) 39 # 40 # defined by 'bh_set_host_tag' 41 # 7 42 # BH_HOST_CONFIG 43 # BH_HOST_OS 44 # BH_HOST_ARCH 45 # BH_HOST_TAG 46 # BH_HOST_BITS 47 # 48 # defined by 'bh_set_target_tag' 49 # 50 # BH_TARGET_CONFIG 51 # BH_TARGET_OS 52 # BH_TARGET_ARCH 53 # BH_TARGET_TAG 54 # BH_TARGET_BITS 55 # 56 # 57 58 59 # The values of HOST_OS/ARCH/TAG will be redefined during the build to 60 # match those of the system the generated compiler binaries will run on. 61 # 62 # Save the original ones into BUILD_XXX variants, corresponding to the 63 # machine where the build happens. 64 # 65 BH_BUILD_OS=$HOST_OS 66 BH_BUILD_ARCH=$HOST_ARCH 67 BH_BUILD_TAG=$HOST_TAG 68 69 # Map an NDK system tag to an OS name 70 # $1: system tag (e.g. linux-x86) 71 # Out: system name (e.g. linux) 72 bh_tag_to_os () 73 { 74 local RET 75 case $1 in 76 android-*) RET="android";; 77 linux-*) RET="linux";; 78 darwin-*) RET="darwin";; 79 windows|windows-*) RET="windows";; 80 *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;; 81 esac 82 echo $RET 83 } 84 85 # Map an NDK system tag to an architecture name 86 # $1: system tag (e.g. linux-x86) 87 # Out: arch name (e.g. x86) 88 bh_tag_to_arch () 89 { 90 local RET 91 case $1 in 92 *-arm) RET=arm;; 93 *-arm64) RET=arm64;; 94 *-mips) RET=mips;; 95 *-mips64) RET=mips64;; 96 windows|*-x86) RET=x86;; 97 *-x86_64) RET=x86_64;; 98 *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;; 99 esac 100 echo $RET 101 } 102 103 # Map an NDK system tag to a bit number 104 # $1: system tag (e.g. linux-x86) 105 # Out: bit number (32 or 64) 106 bh_tag_to_bits () 107 { 108 local RET 109 case $1 in 110 windows|*-x86|*-arm|*-mips) RET=32;; 111 *-x86_64|*-arm64|*-mips64) RET=64;; 112 *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;; 113 esac 114 echo $RET 115 } 116 117 # Map an NDK system tag to the corresponding GNU configuration triplet. 118 # $1: NDK system tag 119 # Out: GNU configuration triplet 120 bh_tag_to_config_triplet () 121 { 122 local RET 123 case $1 in 124 linux-x86) RET=i686-linux-gnu;; 125 linux-x86_64) RET=x86_64-linux-gnu;; 126 darwin-x86) RET=i686-apple-darwin;; 127 darwin-x86_64) RET=x86_64-apple-darwin;; 128 windows|windows-x86) RET=i586-pc-mingw32msvc;; 129 windows-x86_64) RET=x86_64-w64-mingw32;; 130 android-arm) RET=arm-linux-androideabi;; 131 android-arm64) RET=aarch64-linux-android;; 132 android-x86) RET=i686-linux-android;; 133 android-x86_64) RET=x86_64-linux-android;; 134 android-mips) RET=mipsel-linux-android;; 135 android-mips64) RET=mips64el-linux-android;; 136 *) echo "ERROR: Unknown tag $1" >&2; echo "INVALID"; exit 1;; 137 esac 138 echo "$RET" 139 } 140 141 142 bh_set_build_tag () 143 { 144 SAVED_OPTIONS=$(set +o) 145 set -e 146 BH_BUILD_OS=$(bh_tag_to_os $1) 147 BH_BUILD_ARCH=$(bh_tag_to_arch $1) 148 BH_BUILD_BITS=$(bh_tag_to_bits $1) 149 BH_BUILD_TAG=$BH_BUILD_OS-$BH_BUILD_ARCH 150 BH_BUILD_CONFIG=$(bh_tag_to_config_triplet $1) 151 eval "$SAVED_OPTIONS" 152 } 153 154 # Set default BH_BUILD macros. 155 bh_set_build_tag $HOST_TAG 156 157 bh_set_host_tag () 158 { 159 SAVED_OPTIONS=$(set +o) 160 set -e 161 BH_HOST_OS=$(bh_tag_to_os $1) 162 BH_HOST_ARCH=$(bh_tag_to_arch $1) 163 BH_HOST_BITS=$(bh_tag_to_bits $1) 164 BH_HOST_TAG=$BH_HOST_OS-$BH_HOST_ARCH 165 BH_HOST_CONFIG=$(bh_tag_to_config_triplet $1) 166 eval "$SAVED_OPTIONS" 167 } 168 169 bh_set_target_tag () 170 { 171 SAVED_OPTIONS=$(set +o) 172 set -e 173 BH_TARGET_OS=$(bh_tag_to_os $1) 174 BH_TARGET_ARCH=$(bh_tag_to_arch $1) 175 BH_TARGET_BITS=$(bh_tag_to_bits $1) 176 BH_TARGET_TAG=$BH_TARGET_OS-$BH_TARGET_ARCH 177 BH_TARGET_CONFIG=$(bh_tag_to_config_triplet $1) 178 eval "$SAVED_OPTIONS" 179 } 180 181 bh_sort_systems_build_first () 182 { 183 local IN_SYSTEMS="$1" 184 local OUT_SYSTEMS 185 # Pull out the host if there 186 for IN_SYSTEM in $IN_SYSTEMS; do 187 if [ "$IN_SYSTEM" = "$BH_BUILD_TAG" ]; then 188 OUT_SYSTEMS=$IN_SYSTEM 189 fi 190 done 191 # Append the rest 192 for IN_SYSTEM in $IN_SYSTEMS; do 193 if [ ! "$IN_SYSTEM" = "$BH_BUILD_TAG" ]; then 194 OUT_SYSTEMS=$OUT_SYSTEMS" $IN_SYSTEM" 195 fi 196 done 197 echo $OUT_SYSTEMS 198 } 199 200 # $1 is the string to search for 201 # $2... is the list to search in 202 # Returns first, yes or no. 203 bh_list_contains () 204 { 205 local SEARCH="$1" 206 shift 207 # For dash, this has to be split over 2 lines. 208 # Seems to be a bug with dash itself: 209 # https://bugs.launchpad.net/ubuntu/+source/dash/+bug/141481 210 local LIST 211 LIST=$@ 212 local RESULT=first 213 # Pull out the host if there 214 for ELEMENT in $LIST; do 215 if [ "$ELEMENT" = "$SEARCH" ]; then 216 echo $RESULT 217 return 0 218 fi 219 RESULT=yes 220 done 221 echo no 222 return 1 223 } 224 225 226 # Use this function to enable/disable colored output 227 # $1: 'true' or 'false' 228 bh_set_color_mode () 229 { 230 local DO_COLOR= 231 case $1 in 232 on|enable|true) DO_COLOR=true 233 ;; 234 esac 235 if [ "$DO_COLOR" ]; then 236 _BH_COLOR_GREEN="\033[32m" 237 _BH_COLOR_PURPLE="\033[35m" 238 _BH_COLOR_CYAN="\033[36m" 239 _BH_COLOR_END="\033[0m" 240 else 241 _BH_COLOR_GREEN= 242 _BH_COLOR_PURPLE= 243 _BH_COLOR_CYAN= 244 _BH_COLOR_END= 245 fi 246 } 247 248 # By default, enable color mode 249 bh_set_color_mode true 250 251 # Pretty printing with colors! 252 bh_host_text () 253 { 254 printf "[${_BH_COLOR_GREEN}${BH_HOST_TAG}${_BH_COLOR_END}]" 255 } 256 257 bh_toolchain_text () 258 { 259 printf "[${_BH_COLOR_PURPLE}${BH_TOOLCHAIN}${_BH_COLOR_END}]" 260 } 261 262 bh_target_text () 263 { 264 printf "[${_BH_COLOR_CYAN}${BH_TARGET_TAG}${_BH_COLOR_END}]" 265 } 266 267 bh_arch_text () 268 { 269 # Print arch name in cyan 270 printf "[${_BH_COLOR_CYAN}${BH_TARGET_ARCH}${_BH_COLOR_END}]" 271 } 272 273 # Check that a given compiler generates code correctly 274 # 275 # This is to detect bad/broken toolchains, e.g. amd64-mingw32msvc 276 # is totally broken on Ubuntu 10.10 and 11.04 277 # 278 # $1: compiler 279 # $2: optional extra flags 280 # 281 bh_check_compiler () 282 { 283 local CC="$1" 284 local TMPC=$TMPDIR/build-host-$USER-$$.c 285 local TMPE=${TMPC%%.c} 286 local TMPL=$TMPC.log 287 local RET 288 shift 289 cat > $TMPC <<EOF 290 int main(void) { return 0; } 291 EOF 292 log_n "Checking compiler code generation ($CC)... " 293 $CC -o $TMPE $TMPC "$@" >$TMPL 2>&1 294 RET=$? 295 rm -f $TMPC $TMPE $TMPL 296 if [ "$RET" = 0 ]; then 297 log "yes" 298 else 299 log "no" 300 fi 301 return $RET 302 } 303 304 305 # $1: toolchain install dir 306 # $2: toolchain prefix, no trailing dash (e.g. arm-linux-androideabi) 307 # $3: optional -m32 or -m64. 308 _bh_try_host_fullprefix () 309 { 310 local PREFIX="$1/bin/$2" 311 shift; shift; 312 if [ -z "$HOST_FULLPREFIX" ]; then 313 local GCC="$PREFIX-gcc" 314 if [ -f "$GCC" ]; then 315 if bh_check_compiler "$GCC" "$@"; then 316 HOST_FULLPREFIX="${GCC%%gcc}" 317 dump "$(bh_host_text) Using host gcc: $GCC $@" 318 else 319 dump "$(bh_host_text) Ignoring broken host gcc: $GCC $@" 320 fi 321 fi 322 fi 323 } 324 325 # $1: host prefix, no trailing slash (e.g. i686-linux-android) 326 # $2: optional compiler args (should be empty, -m32 or -m64) 327 _bh_try_host_prefix () 328 { 329 local PREFIX="$1" 330 shift 331 if [ -z "$HOST_FULLPREFIX" ]; then 332 local GCC="$(which $PREFIX-gcc 2>/dev/null)" 333 if [ "$GCC" -a -e "$GCC" ]; then 334 if bh_check_compiler "$GCC" "$@"; then 335 HOST_FULLPREFIX=${GCC%%gcc} 336 dump "$(bh_host_text) Using host gcc: ${HOST_FULLPREFIX}gcc $@" 337 else 338 dump "$(bh_host_text) Ignoring broken host gcc: $GCC $@" 339 fi 340 fi 341 fi 342 } 343 344 # Used to determine the minimum possible Darwin version that a Darwin SDK 345 # can target. This actually depends from the host architecture. 346 # $1: Host architecture name 347 # out: SDK version number (e.g. 10.4 or 10.5) 348 _bh_darwin_arch_to_min_version () 349 { 350 if [ "$1" = "x86" ]; then 351 echo "10.4" 352 else 353 echo "10.5" 354 fi 355 } 356 357 # Use the check for the availability of a compatibility SDK in Darwin 358 # this can be used to generate binaries compatible with either Tiger or 359 # Leopard. 360 # 361 # $1: SDK root path 362 # $2: Darwin compatibility minimum version 363 _bh_check_darwin_sdk () 364 { 365 if [ -d "$1" -a -z "$HOST_CFLAGS" ] ; then 366 HOST_CFLAGS="-isysroot $1 -mmacosx-version-min=$2 -DMAXOSX_DEPLOYEMENT_TARGET=$2" 367 HOST_CXXFLAGS=$HOST_CFLAGS 368 HOST_LDFLAGS="-syslibroot $1 -mmacosx-version-min=$2" 369 dump "Generating $2-compatible binaries." 370 return 0 # success 371 fi 372 return 1 373 } 374 375 # Check that a given compiler generates 32 or 64 bit code. 376 # $1: compiler full path (.e.g /path/to/fullprefix-gcc) 377 # $2: 32 or 64 378 # $3: extract compiler flags 379 # Return: success iff the compiler generates $2-bits code 380 _bh_check_compiler_bitness () 381 { 382 local CC="$1" 383 local BITS="$2" 384 local TMPC=$TMPDIR/build-host-gcc-bits-$USER-$$.c 385 local TMPL=$TMPC.log 386 local RET 387 shift; shift; 388 cat > $TMPC <<EOF 389 /* this program will fail to compile if the compiler doesn't generate BITS-bits code */ 390 int tab[1-2*(sizeof(void*)*8 != BITS)]; 391 EOF 392 dump_n "$(bh_host_text) Checking that the compiler generates $BITS-bits code ($@)... " 393 $CC -c -DBITS=$BITS -o /dev/null $TMPC $HOST_CFLAGS "$@" > $TMPL 2>&1 394 RET=$? 395 rm -f $TMPC $TMPL 396 if [ "$RET" = 0 ]; then 397 dump "yes" 398 else 399 dump "no" 400 fi 401 return $RET 402 } 403 404 # This function probes the system to find the best toolchain or cross-toolchain 405 # to build binaries that run on a given host system. After that, it generates 406 # a wrapper toolchain under $2 with a prefix of ${BH_HOST_CONFIG}- 407 # where $BH_HOST_CONFIG is a GNU configuration name. 408 # 409 # Important: this script might redefine $BH_HOST_CONFIG to a different value! 410 # 411 # $1: NDK system tag (e.g. linux-x86) 412 # 413 # The following can be defined, otherwise they'll be auto-detected and set. 414 # 415 # DARWIN_MIN_VERSION -> Darwmin minimum compatibility version 416 # DARWIN_SDK_VERSION -> Darwin SDK version 417 # 418 # The following can be defined for extra features: 419 # 420 # DARWIN_TOOLCHAIN -> Path to Darwin cross-toolchain (cross-compile only). 421 # DARWIN_SYSROOT -> Path to Darwin SDK sysroot (cross-compile only). 422 # NDK_CCACHE -> Ccache binary to use to speed up rebuilds. 423 # ANDROID_NDK_ROOT -> Top-level NDK directory, for automatic probing 424 # of prebuilt platform toolchains. 425 # 426 _bh_select_toolchain_for_host () 427 { 428 local HOST_CFLAGS HOST_CXXFLAGS HOST_LDFLAGS HOST_FULLPREFIX DARWIN_ARCH 429 local DARWIN_ARCH DARWIN_SDK_SUBDIR 430 431 # We do all the complex auto-detection magic in the setup phase, 432 # then save the result in host-specific global variables. 433 # 434 # In the build phase, we will simply restore the values into the 435 # global HOST_FULLPREFIX / HOST_BUILD_DIR 436 # variables. 437 # 438 439 # Try to find the best toolchain to do that job, assuming we are in 440 # a full Android platform source checkout, we can look at the prebuilts/ 441 # directory. 442 case $1 in 443 linux-x86) 444 # If possible, automatically use our custom toolchain to generate 445 # 32-bit executables that work on Ubuntu 8.04 and higher. 446 _bh_try_host_fullprefix "$(dirname $ANDROID_NDK_ROOT)/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.6" i686-linux 447 _bh_try_host_fullprefix "$(dirname $ANDROID_NDK_ROOT)/prebuilts/gcc/linux-x86/host/i686-linux-glibc2.7-4.4.3" i686-linux 448 _bh_try_host_fullprefix "$(dirname $ANDROID_NDK_ROOT)/prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3" i686-linux 449 _bh_try_host_prefix i686-linux-gnu 450 _bh_try_host_prefix i686-linux 451 _bh_try_host_prefix x86_64-linux-gnu -m32 452 _bh_try_host_prefix x86_64-linux -m32 453 ;; 454 455 linux-x86_64) 456 # If possible, automaticaly use our custom toolchain to generate 457 # 64-bit executables that work on Ubuntu 8.04 and higher. 458 _bh_try_host_fullprefix "$(dirname $ANDROID_NDK_ROOT)/prebuilts/gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6" x86_64-linux 459 _bh_try_host_prefix x86_64-linux-gnu 460 _bh_try_host_prefix x84_64-linux 461 _bh_try_host_prefix i686-linux-gnu -m64 462 _bh_try_host_prefix i686-linux -m64 463 ;; 464 465 darwin-*) 466 DARWIN_ARCH=$(bh_tag_to_arch $1) 467 if [ -z "$DARWIN_MIN_VERSION" ]; then 468 DARWIN_MIN_VERSION=$(_bh_darwin_arch_to_min_version $DARWIN_ARCH) 469 fi 470 case $BH_BUILD_OS in 471 darwin) 472 if [ "$DARWIN_SDK_VERSION" ]; then 473 # Compute SDK subdirectory name 474 case $DARWIN_SDK_VERSION in 475 10.4) DARWIN_SDK_SUBDIR=$DARWIN_SDK.sdku;; 476 *) DARWIN_SDK_SUBDIR=$DARWIN_SDK.sdk;; 477 esac 478 # Since xCode moved to the App Store the SDKs have been 'sandboxed' into the Xcode.app folder. 479 _bh_check_darwin_sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX$DARWIN_SDK_SUBDIR $DARWIN_MIN_VERSION 480 _bh_check_darwin_sdk /Developer/SDKs/MacOSX$DARWIN_SDK_SUBDIR $DARWIN_MIN_VERSION 481 else 482 # Since xCode moved to the App Store the SDKs have been 'sandboxed' into the Xcode.app folder. 483 _bh_check_darwin_sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.7.sdk $DARWIN_MIN_VERSION 484 _bh_check_darwin_sdk /Developer/SDKs/MacOSX10.7.sdk $DARWIN_MIN_VERSION 485 _bh_check_darwin_sdk /Developer/SDKs/MacOSX10.6.sdk $DARWIN_MIN_VERSION 486 # NOTE: The 10.5.sdk on Lion is buggy and cannot build basic C++ programs 487 #_bh_check_darwin_sdk /Developer/SDKs/MacOSX10.5.sdk $DARWIN_ARCH 488 # NOTE: The 10.4.sdku is not available anymore and could not be tested. 489 #_bh_check_darwin_sdk /Developer/SDKs/MacOSX10.4.sdku $DARWIN_ARCH 490 fi 491 if [ -z "$HOST_CFLAGS" ]; then 492 local version="$(sw_vers -productVersion)" 493 log "Generating $version-compatible binaries!" 494 fi 495 ;; 496 *) 497 if [ -z "$DARWIN_TOOLCHAIN" -o -z "$DARWIN_SYSROOT" ]; then 498 dump "If you want to build Darwin binaries on a non-Darwin machine," 499 dump "Please define DARWIN_TOOLCHAIN to name it, and DARWIN_SYSROOT to point" 500 dump "to the SDK. For example:" 501 dump "" 502 dump " DARWIN_TOOLCHAIN=\"i686-apple-darwin11\"" 503 dump " DARWIN_SYSROOT=\"~/darwin-cross/MacOSX10.7.sdk\"" 504 dump " export DARWIN_TOOLCHAIN DARWIN_SYSROOT" 505 dump "" 506 exit 1 507 fi 508 _bh_check_darwin_sdk $DARWIN_SYSROOT $DARWIN_MIN_VERSION 509 _bh_try_host_prefix "$DARWIN_TOOLCHAIN" -m$(bh_tag_to_bits $1) --sysroot "$DARWIN_SYSROOT" 510 if [ -z "$HOST_FULLPREFIX" ]; then 511 dump "It looks like $DARWIN_TOOLCHAIN-gcc is not in your path, or does not work correctly!" 512 exit 1 513 fi 514 dump "Using darwin cross-toolchain: ${HOST_FULLPREFIX}gcc" 515 ;; 516 esac 517 ;; 518 519 windows|windows-x86) 520 case $BH_BUILD_OS in 521 linux) 522 # We favor these because they are more recent, and because 523 # we have a script to rebuild them from scratch. See 524 # build-mingw64-toolchain.sh. 525 _bh_try_host_prefix x86_64-w64-mingw32 -m32 526 _bh_try_host_prefix i686-w64-mingw32 527 # Typically provided by the 'mingw32' package on Debian 528 # and Ubuntu systems. 529 _bh_try_host_prefix i586-mingw32msvc 530 # Special note for Fedora: this distribution used 531 # to have a mingw32-gcc package that provided a 32-bit 532 # only cross-toolchain named i686-pc-mingw32. 533 # Later versions of the distro now provide a new package 534 # named mingw-gcc which provides i686-w64-mingw32 and 535 # x86_64-w64-mingw32 instead. 536 _bh_try_host_prefix i686-pc-mingw32 537 if [ -z "$HOST_FULLPREFIX" ]; then 538 dump "There is no Windows cross-compiler. Ensure that you" 539 dump "have one of these installed and in your path:" 540 dump " x86_64-w64-mingw32-gcc (see build-mingw64-toolchain.sh)" 541 dump " i686-w64-mingw32-gcc (see build-mingw64-toolchain.sh)" 542 dump " i586-mingw32msvc-gcc ('mingw32' Debian/Ubuntu package)" 543 dump " i686-pc-mingw32 (on Fedora)" 544 dump "" 545 exit 1 546 fi 547 # Adjust $HOST to match the toolchain to ensure proper builds. 548 # I.e. chose configuration triplets that are known to work 549 # with the gmp/mpfr/mpc/binutils/gcc configure scripts. 550 case $HOST_FULLPREFIX in 551 *-mingw32msvc-*|i686-pc-mingw32) 552 BH_HOST_CONFIG=i586-pc-mingw32msvc 553 ;; 554 *) 555 BH_HOST_CONFIG=i686-w64-mingw32msvc 556 ;; 557 esac 558 ;; 559 *) panic "Sorry, this script only supports building windows binaries on Linux." 560 ;; 561 esac 562 HOST_CFLAGS=$HOST_CFLAGS" -D__USE_MINGW_ANSI_STDIO=1" 563 HOST_CXXFLAGS=$HOST_CXXFLAGS" -D__USE_MINGW_ANSI_STDIO=1" 564 ;; 565 566 windows-x86_64) 567 case $BH_BUILD_OS in 568 linux) 569 # See comments above for windows-x86 570 _bh_try_host_prefix x86_64-w64-mingw32 571 _bh_try_host_prefix i686-w64-mingw32 -m64 572 # Beware that this package is completely broken on many 573 # versions of no vinegar Ubuntu (i.e. it fails at building trivial 574 # programs). 575 _bh_try_host_prefix amd64-mingw32msvc 576 # There is no x86_64-pc-mingw32 toolchain on Fedora. 577 if [ -z "$HOST_FULLPREFIX" ]; then 578 dump "There is no Windows cross-compiler in your path. Ensure you" 579 dump "have one of these installed and in your path:" 580 dump " x86_64-w64-mingw32-gcc (see build-mingw64-toolchain.sh)" 581 dump " i686-w64-mingw32-gcc (see build-mingw64-toolchain.sh)" 582 dump " amd64-mingw32msvc-gcc (Debian/Ubuntu - broken until Ubuntu 11.10)" 583 dump "" 584 exit 1 585 fi 586 # See comment above for windows-x86 587 case $HOST_FULLPREFIX in 588 *-mingw32msvc*) 589 # Actually, this has never been tested. 590 BH_HOST=amd64-pc-mingw32msvc 591 ;; 592 *) 593 BH_HOST=x86_64-w64-mingw32 594 ;; 595 esac 596 ;; 597 598 *) panic "Sorry, this script only supports building windows binaries on Linux." 599 ;; 600 esac 601 HOST_CFLAGS=$HOST_CFLAGS" -D__USE_MINGW_ANSI_STDIO=1" 602 HOST_CXXFLAGS=$HOST_CXXFLAGS" -D__USE_MINGW_ANSI_STDIO=1" 603 ;; 604 esac 605 606 # Determine the default bitness of our compiler. It it doesn't match 607 # HOST_BITS, tries to see if it supports -m32 or -m64 to change it. 608 if ! _bh_check_compiler_bitness ${HOST_FULLPREFIX}gcc $BH_HOST_BITS; then 609 local TRY_CFLAGS 610 case $BH_HOST_BITS in 611 32) TRY_CFLAGS=-m32;; 612 64) TRY_CFLAGS=-m64;; 613 esac 614 if ! _bh_check_compiler_bitness ${HOST_FULLPREFIX}gcc $BH_HOST_BITS $TRY_CFLAGS; then 615 panic "Can't find a way to generate $BH_HOST_BITS binaries with this compiler: ${HOST_FULLPREFIX}gcc" 616 fi 617 HOST_CFLAGS=$HOST_CFLAGS" "$TRY_CFLAGS 618 HOST_CXXFLAGS=$HOST_CXXFLAGS" "$TRY_CFLAGS 619 fi 620 621 # Support for ccache, to speed up rebuilds. 622 DST_PREFIX=$HOST_FULLPREFIX 623 local CCACHE= 624 if [ "$NDK_CCACHE" ]; then 625 CCACHE="--ccache=$NDK_CCACHE" 626 fi 627 628 # We're going to generate a wrapper toolchain with the $HOST prefix 629 # i.e. if $HOST is 'i686-linux-gnu', then we're going to generate a 630 # wrapper toolchain named 'i686-linux-gnu-gcc' that will redirect 631 # to whatever HOST_FULLPREFIX points to, with appropriate modifier 632 # compiler/linker flags. 633 # 634 # This helps tremendously getting stuff to compile with the GCC 635 # configure scripts. 636 # 637 run mkdir -p "$BH_WRAPPERS_DIR" && 638 run $NDK_BUILDTOOLS_PATH/gen-toolchain-wrapper.sh "$BH_WRAPPERS_DIR" \ 639 --src-prefix="$BH_HOST_CONFIG-" \ 640 --dst-prefix="$DST_PREFIX" \ 641 --cflags="$HOST_CFLAGS" \ 642 --cxxflags="$HOST_CXXFLAGS" \ 643 --ldflags="$HOST_LDFLAGS" \ 644 $CCACHE 645 } 646 647 648 # Setup the build directory, i.e. a directory where all intermediate 649 # files will be placed. 650 # 651 # $1: Build directory. If empty, a random one will be selected. 652 # 653 # $2: Either 'preserve' or 'remove'. Indicates what to do of 654 # existing files in the build directory, if any. 655 # 656 # $3: Either 'release' or 'debug'. Compilation mode. 657 # 658 bh_setup_build_dir () 659 { 660 BH_BUILD_DIR="$1" 661 if [ -z "$BH_BUILD_DIR" ]; then 662 BH_BUILD_DIR=$TMPDIR/buildhost 663 fi 664 mkdir -p "$BH_BUILD_DIR" 665 fail_panic "Could not create build directory: $BH_BUILD_DIR" 666 667 setup_default_log_file $BH_BUILD_DIR/build.log 668 669 if [ "$_BH_OPTION_FORCE" ]; then 670 rm -rf "$BH_BUILD_DIR"/* 671 fi 672 673 if [ "$_BH_OPTION_NO_STRIP" ]; then 674 BH_BUILD_MODE=debug 675 else 676 BH_BUILD_MODE=release 677 fi 678 679 # The directory that will contain our toolchain wrappers 680 BH_WRAPPERS_DIR=$BH_BUILD_DIR/toolchain-wrappers 681 rm -rf "$BH_WRAPPERS_DIR" && mkdir "$BH_WRAPPERS_DIR" 682 fail_panic "Could not create wrappers dir: $BH_WRAPPERS_DIR" 683 684 # The directory that will contain our timestamps 685 BH_STAMPS_DIR=$BH_BUILD_DIR/timestamps 686 mkdir -p "$BH_STAMPS_DIR" 687 fail_panic "Could not create timestamps dir" 688 } 689 690 # Call this before anything else to setup a few important variables that are 691 # used consistently to build any host-specific binaries. 692 # 693 # $1: Host system name (e.g. linux-x86), this is the name of the host system 694 # where the generated GCC binaries will run, not the current machine's 695 # type (this one is in $ORIGINAL_HOST_TAG instead). 696 # 697 bh_setup_build_for_host () 698 { 699 local HOST_VARNAME=$(dashes_to_underscores $1) 700 local HOST_VAR=_BH_HOST_${HOST_VARNAME} 701 702 # Determine the host configuration triplet in $HOST 703 bh_set_host_tag $1 704 705 # Note: since _bh_select_toolchain_for_host can change the value of 706 # $BH_HOST_CONFIG, we need to save it in a variable to later get the 707 # correct one when this function is called again. 708 if [ -z "$(var_value ${HOST_VAR}_SETUP)" ]; then 709 _bh_select_toolchain_for_host $1 710 var_assign ${HOST_VAR}_CONFIG $BH_HOST_CONFIG 711 var_assign ${HOST_VAR}_SETUP true 712 else 713 BH_HOST_CONFIG=$(var_value ${HOST_VAR}_CONFIG) 714 fi 715 } 716 717 # This function is used to setup the build environment whenever we 718 # generate host-specific binaries. You should call it before invoking 719 # a configure script or make. 720 # 721 # It assume sthat bh_setup_build_for_host was called with the right 722 # host system tag and wrappers directory. 723 # 724 bh_setup_host_env () 725 { 726 CC=$BH_HOST_CONFIG-gcc 727 CXX=$BH_HOST_CONFIG-g++ 728 LD=$BH_HOST_CONFIG-ld 729 AR=$BH_HOST_CONFIG-ar 730 AS=$BH_HOST_CONFIG-as 731 RANLIB=$BH_HOST_CONFIG-ranlib 732 NM=$BH_HOST_CONFIG-nm 733 STRIP=$BH_HOST_CONFIG-strip 734 STRINGS=$BH_HOST_CONFIG-strings 735 export CC CXX LD AR AS RANLIB NM STRIP STRINGS 736 737 CFLAGS= 738 CXXFLAGS= 739 LDFLAGS= 740 case $BH_BUILD_MODE in 741 release) 742 CFLAGS="-O2 -Os -fomit-frame-pointer -s" 743 CXXFLAGS=$CFLAGS 744 ;; 745 debug) 746 CFLAGS="-O0 -g" 747 CXXFLAGS=$CFLAGS 748 ;; 749 esac 750 export CFLAGS CXXFLAGS LDFLAGS 751 752 export PATH=$BH_WRAPPERS_DIR:$PATH 753 } 754 755 _bh_option_no_color () 756 { 757 bh_set_color_mode off 758 } 759 760 # This function is used to register a few command-line options that 761 # impact the build of host binaries. Call it before invoking 762 # extract_parameters to add them automatically. 763 # 764 bh_register_options () 765 { 766 BH_HOST_SYSTEMS="$BH_BUILD_TAG" 767 register_var_option "--systems=<list>" BH_HOST_SYSTEMS "Build binaries that run on these systems." 768 769 _BH_OPTION_FORCE= 770 register_var_option "--force" _BH_OPTION_FORCE "Force rebuild." 771 772 _BH_OPTION_NO_STRIP= 773 register_var_option "--no-strip" _BH_OPTION_NO_STRIP "Don't strip generated binaries." 774 775 register_option "--no-color" _bh_option_no_color "Don't output colored text." 776 777 if [ "$HOST_OS" = darwin ]; then 778 DARWIN_SDK_VERSION= 779 register_var_option "--darwin-sdk-version=<version>" DARWIN_SDK "Select Darwin SDK version." 780 781 DARWIN_MIN_VERSION= 782 register_var_option "--darwin-min-version=<version>" DARWIN_MIN_VERSION "Select minimum OS X version of generated host toolchains." 783 fi 784 } 785 786 # Execute a given command. 787 # 788 # NOTE: The command is run in its own sub-shell to avoid environment 789 # contamination. 790 # 791 # $@: command 792 bh_do () 793 { 794 ("$@") 795 fail_panic 796 } 797 798 # Return the build install directory of a given Python version 799 # 800 # $1: host system tag 801 # $2: python version 802 # The suffix of this has to match python_ndk_install_dir 803 # as I package them from the build folder, substituting 804 # the end part of python_build_install_dir matching 805 # python_ndk_install_dir with nothing. 806 python_build_install_dir () 807 { 808 echo "$BH_BUILD_DIR/$1/install/host-tools" 809 } 810 811 # Same as python_build_install_dir, but for the final NDK installation 812 # directory. Relative to $NDK_DIR. 813 # 814 # $1: host system tag 815 python_ndk_install_dir () 816 { 817 echo "host-tools" 818 } 819
