1 # 2 # Copyright (C) 2011 The Android Open Source Project 3 # 4 # Licensed under the Apache License, Version 2.0 (the "License"); 5 # you may not use this file except in compliance with the License. 6 # You may obtain a copy of the License at 7 # 8 # http://www.apache.org/licenses/LICENSE-2.0 9 # 10 # Unless required by applicable law or agreed to in writing, software 11 # distributed under the License is distributed on an "AS IS" BASIS, 12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 # See the License for the specific language governing permissions and 14 # limitations under the License. 15 # 16 # This file contains various shell function definitions that can be 17 # used to either build a static and shared libraries from sources, or 18 # generate a Makefile to do it in parallel. 19 # 20 21 _BUILD_TAB=$(echo " " | tr ' ' '\t') 22 23 builder_command () 24 { 25 if [ -z "$_BUILD_MK" ]; then 26 echo "$@" 27 "$@" 28 else 29 echo "${_BUILD_TAB}$@" >> $_BUILD_MK 30 fi 31 } 32 33 34 builder_log () 35 { 36 if [ "$_BUILD_MK" ]; then 37 echo "${_BUILD_TAB}echo $@" >> $_BUILD_MK 38 else 39 log "$@" 40 fi 41 } 42 43 # $1: Build directory 44 # $2: Optional Makefile name 45 builder_begin () 46 { 47 _BUILD_DIR_NEW= 48 _BUILD_DIR=$1 49 if [ ! -d "$_BUILD_DIR" ]; then 50 mkdir -p "$_BUILD_DIR" 51 fail_panic "Can't create build directory: $_BUILD_DIR" 52 _BUILD_DIR_NEW=true 53 else 54 rm -rf "$_BUILD_DIR/*" 55 fail_panic "Can't cleanup build directory: $_BUILD_DIR" 56 fi 57 _BUILD_TARGETS= 58 _BUILD_PREFIX= 59 _BUILD_MK=$2 60 if [ -n "$_BUILD_MK" ]; then 61 log "Creating temporary build Makefile: $_BUILD_MK" 62 rm -f $_BUILD_MK && 63 echo "# Auto-generated by $0 - do not edit!" > $_BUILD_MK 64 echo ".PHONY: all" >> $_BUILD_MK 65 echo "all:" >> $_BUILD_MK 66 fi 67 68 builder_begin_module 69 } 70 71 # $1: Variable name 72 # out: Variable value 73 _builder_varval () 74 { 75 eval echo "\$$1" 76 } 77 78 _builder_varadd () 79 { 80 local _varname="$1" 81 local _varval="$(_builder_varval $_varname)" 82 shift 83 if [ -z "$_varval" ]; then 84 eval $_varname=\"$@\" 85 else 86 eval $_varname=\$$_varname\" $@\" 87 fi 88 } 89 90 91 builder_set_prefix () 92 { 93 _BUILD_PREFIX="$@" 94 } 95 96 builder_begin_module () 97 { 98 _BUILD_CC= 99 _BUILD_CXX= 100 _BUILD_AR= 101 _BUILD_C_INCLUDES= 102 _BUILD_CFLAGS= 103 _BUILD_CXXFLAGS= 104 _BUILD_LDFLAGS_BEGIN_SO= 105 _BUILD_LDFLAGS_END_SO= 106 _BUILD_LDFLAGS_BEGIN_EXE= 107 _BUILD_LDFLAGS_END_EXE= 108 _BUILD_LDFLAGS= 109 _BUILD_BINPREFIX= 110 _BUILD_DSTDIR= 111 _BUILD_SRCDIR=. 112 _BUILD_OBJECTS= 113 _BUILD_STATIC_LIBRARIES= 114 _BUILD_SHARED_LIBRARIES= 115 _BUILD_COMPILER_RUNTIME_LDFLAGS=-lgcc 116 } 117 118 builder_set_binprefix () 119 { 120 _BUILD_BINPREFIX=$1 121 _BUILD_CC=${1}gcc 122 _BUILD_CXX=${1}g++ 123 _BUILD_AR=${1}ar 124 } 125 126 builder_set_binprefix_llvm () 127 { 128 _BUILD_BINPREFIX=$1 129 _BUILD_CC=${1}/clang 130 _BUILD_CXX=${1}/clang++ 131 _BUILD_AR=${2}ar 132 } 133 134 builder_set_builddir () 135 { 136 _BUILD_DIR=$1 137 } 138 139 builder_set_srcdir () 140 { 141 _BUILD_SRCDIR=$1 142 } 143 144 builder_set_dstdir () 145 { 146 _BUILD_DSTDIR=$1 147 } 148 149 builder_ldflags () 150 { 151 _builder_varadd _BUILD_LDFLAGS "$@" 152 } 153 154 builder_ldflags_exe () 155 { 156 _builder_varadd _BUILD_LDFLAGS_EXE "$@" 157 } 158 159 builder_cflags () 160 { 161 _builder_varadd _BUILD_CFLAGS "$@" 162 } 163 164 builder_cxxflags () 165 { 166 _builder_varadd _BUILD_CXXFLAGS "$@" 167 } 168 169 builder_c_includes () 170 { 171 _builder_varadd _BUILD_C_INCLUDES "$@" 172 } 173 174 # $1: optional var to hold the original cflags before reset 175 builder_reset_cflags () 176 { 177 local _varname="$1" 178 if [ -n "$_varname" ] ; then 179 eval $_varname=\"$_BUILD_CFLAGS\" 180 fi 181 _BUILD_CFLAGS= 182 } 183 184 # $1: optional var to hold the original cxxflags before reset 185 builder_reset_cxxflags () 186 { 187 local _varname="$1" 188 if [ -n "$_varname" ] ; then 189 eval $_varname=\"$_BUILD_CXXFLAGS\" 190 fi 191 _BUILD_CXXFLAGS= 192 } 193 194 # $1: optional var to hold the original c_includes before reset 195 builder_reset_c_includes () 196 { 197 local _varname="$1" 198 if [ -n "$_varname" ] ; then 199 eval $_varname=\"$_BUILD_C_INCLUDES\" 200 fi 201 _BUILD_C_INCLUDES= 202 } 203 204 builder_compiler_runtime_ldflags () 205 { 206 _BUILD_COMPILER_RUNTIME_LDFLAGS=$1 207 } 208 209 builder_link_with () 210 { 211 local LIB 212 for LIB; do 213 case $LIB in 214 *.a) 215 _builder_varadd _BUILD_STATIC_LIBRARIES $LIB 216 ;; 217 *.so) 218 _builder_varadd _BUILD_SHARED_LIBRARIES $LIB 219 ;; 220 *) 221 echo "ERROR: Unknown link library extension: $LIB" 222 exit 1 223 esac 224 done 225 } 226 227 builder_sources () 228 { 229 local src srcfull obj cc cflags text 230 if [ -z "$_BUILD_DIR" ]; then 231 panic "Build directory not set!" 232 fi 233 if [ -z "$_BUILD_CC" ]; then 234 _BUILD_CC=${CC:-gcc} 235 fi 236 if [ -z "$_BUILD_CXX" ]; then 237 _BUILD_CXX=${CXX:-g++} 238 fi 239 for src in "$@"; do 240 srcfull=$_BUILD_SRCDIR/$src 241 if [ ! -f "$srcfull" ]; then 242 echo "ERROR: Missing source file: $srcfull" 243 exit 1 244 fi 245 obj=$src 246 cflags="" 247 for inc in $_BUILD_C_INCLUDES; do 248 cflags=$cflags" -I$inc" 249 done 250 cflags=$cflags" -I$_BUILD_SRCDIR" 251 case $obj in 252 *.c) 253 obj=${obj%%.c} 254 text="C" 255 cc=$_BUILD_CC 256 cflags="$cflags $_BUILD_CFLAGS" 257 ;; 258 *.cpp) 259 obj=${obj%%.cpp} 260 text="C++" 261 cc=$_BUILD_CXX 262 cflags="$cflags $_BUILD_CXXFLAGS" 263 ;; 264 *.cc) 265 obj=${obj%%.cc} 266 text="C++" 267 cc=$_BUILD_CXX 268 cflags="$cflags $_BUILD_CXXFLAGS" 269 ;; 270 *.S|*.s) 271 obj=${obj%%.$obj} 272 text="ASM" 273 cc=$_BUILD_CC 274 cflags="$cflags $_BUILD_CFLAGS" 275 ;; 276 *) 277 echo "Unknown source file extension: $obj" 278 exit 1 279 ;; 280 esac 281 282 # Source file path can include ../ path items, ensure 283 # that the generated object do not back up the output 284 # directory by translating them to __/ 285 obj=$(echo "$obj" | tr '../' '__/') 286 287 # Ensure we have unwind tables in the generated machine code 288 # This is useful to get good stack traces 289 cflags=$cflags" -funwind-tables" 290 291 obj=$_BUILD_DIR/$obj.o 292 if [ "$_BUILD_MK" ]; then 293 echo "$obj: $srcfull" >> $_BUILD_MK 294 fi 295 builder_log "${_BUILD_PREFIX}$text: $src" 296 builder_command mkdir -p $(dirname "$obj") 297 builder_command $NDK_CCACHE $cc -c -o "$obj" "$srcfull" $cflags 298 fail_panic "Could not compile ${_BUILD_PREFIX}$src" 299 _BUILD_OBJECTS=$_BUILD_OBJECTS" $obj" 300 done 301 } 302 303 builder_static_library () 304 { 305 local lib libname arflags 306 libname=$1 307 if [ -z "$_BUILD_DSTDIR" ]; then 308 panic "Destination directory not set" 309 fi 310 lib=$_BUILD_DSTDIR/$libname 311 lib=${lib%%.a}.a 312 if [ "$_BUILD_MK" ]; then 313 _BUILD_TARGETS=$_BUILD_TARGETS" $lib" 314 echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK 315 fi 316 if [ -z "${_BUILD_AR}" ]; then 317 _BUILD_AR=${AR:-ar} 318 fi 319 builder_log "${_BUILD_PREFIX}Archive: $libname" 320 rm -f "$lib" 321 arflags="crs" 322 case $HOST_TAG in 323 darwin*) 324 # XCode 'ar' doesn't support D flag 325 ;; 326 *) 327 arflags="${arflags}D" 328 ;; 329 esac 330 builder_command ${_BUILD_AR} $arflags "$lib" "$_BUILD_OBJECTS" 331 fail_panic "Could not archive ${_BUILD_PREFIX}$libname objects!" 332 } 333 334 builder_host_static_library () 335 { 336 local lib libname 337 libname=$1 338 if [ -z "$_BUILD_DSTDIR" ]; then 339 panic "Destination directory not set" 340 fi 341 lib=$_BUILD_DSTDIR/$libname 342 lib=${lib%%.a}.a 343 if [ "$_BUILD_MK" ]; then 344 _BUILD_TARGETS=$_BUILD_TARGETS" $lib" 345 echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK 346 fi 347 if [ -z "$BUILD_AR" ]; then 348 _BUILD_AR=${AR:-ar} 349 fi 350 builder_log "${_BUILD_PREFIX}Archive: $libname" 351 rm -f "$lib" 352 builder_command ${_BUILD_AR} crsD "$lib" "$_BUILD_OBJECTS" 353 fail_panic "Could not archive ${_BUILD_PREFIX}$libname objects!" 354 } 355 356 builder_shared_library () 357 { 358 local lib libname suffix libm 359 libname=$1 360 suffix=$2 361 armeabi_v7a_float_abi=$3 362 363 if [ -z "$suffix" ]; then 364 suffix=".so" 365 fi 366 libm="-lm" 367 if [ "$armeabi_v7a_float_abi" = "hard" ]; then 368 libm="-lm_hard" 369 fi 370 lib=$_BUILD_DSTDIR/$libname 371 lib=${lib%%${suffix}}${suffix} 372 if [ "$_BUILD_MK" ]; then 373 _BUILD_TARGETS=$_BUILD_TARGETS" $lib" 374 echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK 375 fi 376 builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" 377 378 # Important: -lgcc must appear after objects and static libraries, 379 # but before shared libraries for Android. It doesn't hurt 380 # for other platforms. 381 # Also $libm must come before -lc because bionic libc 382 # accidentally exports a soft-float version of ldexp. 383 builder_command ${_BUILD_CXX} \ 384 -Wl,-soname,$(basename $lib) \ 385 -Wl,-shared \ 386 $_BUILD_LDFLAGS_BEGIN_SO \ 387 $_BUILD_OBJECTS \ 388 $_BUILD_STATIC_LIBRARIES \ 389 $_BUILD_COMPILER_RUNTIME_LDFLAGS \ 390 $_BUILD_SHARED_LIBRARIES \ 391 $libm -lc \ 392 $_BUILD_LDFLAGS \ 393 $_BUILD_LDFLAGS_END_SO \ 394 -o $lib 395 fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" 396 } 397 398 # Same as builder_shared_library, but do not link the default libs 399 builder_nostdlib_shared_library () 400 { 401 local lib libname suffix 402 libname=$1 403 suffix=$2 404 if [ -z "$suffix" ]; then 405 suffix=".so" 406 fi 407 lib=$_BUILD_DSTDIR/$libname 408 lib=${lib%%${suffix}}${suffix} 409 if [ "$_BUILD_MK" ]; then 410 _BUILD_TARGETS=$_BUILD_TARGETS" $lib" 411 echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK 412 fi 413 builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" 414 415 builder_command ${_BUILD_CXX} \ 416 -Wl,-soname,$(basename $lib) \ 417 -Wl,-shared \ 418 $_BUILD_LDFLAGS_BEGIN_SO \ 419 $_BUILD_OBJECTS \ 420 $_BUILD_STATIC_LIBRARIES \ 421 $_BUILD_SHARED_LIBRARIES \ 422 $_BUILD_LDFLAGS \ 423 $_BUILD_LDFLAGS_END_SO \ 424 -o $lib 425 fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" 426 } 427 428 builder_host_shared_library () 429 { 430 local lib libname 431 libname=$1 432 lib=$_BUILD_DSTDIR/$libname 433 lib=${lib%%.so}.so 434 if [ "$_BUILD_MK" ]; then 435 _BUILD_TARGETS=$_BUILD_TARGETS" $lib" 436 echo "$lib: $_BUILD_OBJECTS" >> $_BUILD_MK 437 fi 438 builder_log "${_BUILD_PREFIX}SharedLibrary: $libname" 439 440 if [ -z "$_BUILD_CXX" ]; then 441 _BUILD_CXX=${CXX:-g++} 442 fi 443 444 # Important: -lgcc must appear after objects and static libraries, 445 # but before shared libraries for Android. It doesn't hurt 446 # for other platforms. 447 builder_command ${_BUILD_CXX} \ 448 -shared -s \ 449 $_BUILD_OBJECTS \ 450 $_BUILD_STATIC_LIBRARIES \ 451 $_BUILD_SHARED_LIBRARIES \ 452 $_BUILD_LDFLAGS \ 453 -o $lib 454 fail_panic "Could not create ${_BUILD_PREFIX}shared library $libname" 455 } 456 457 builder_host_executable () 458 { 459 local exe exename 460 exename=$1 461 exe=$_BUILD_DSTDIR/$exename$HOST_EXE 462 if [ "$_BUILD_MK" ]; then 463 _BUILD_TARGETS=$_BUILD_TARGETS" $exe" 464 echo "$exe: $_BUILD_OBJECTS" >> $_BUILD_MK 465 fi 466 builder_log "${_BUILD_PREFIX}Executable: $exename$HOST_EXE" 467 468 if [ -z "$_BUILD_CXX" ]; then 469 _BUILD_CXX=${CXX:-g++} 470 fi 471 472 # Important: -lgcc must appear after objects and static libraries, 473 # but before shared libraries for Android. It doesn't hurt 474 # for other platforms. 475 builder_command ${_BUILD_CXX} \ 476 -s \ 477 $_BUILD_OBJECTS \ 478 $_BUILD_STATIC_LIBRARIES \ 479 $_BUILD_SHARED_LIBRARIES \ 480 $_BUILD_LDFLAGS \ 481 -o $exe 482 fail_panic "Could not create ${_BUILD_PREFIX}executable $libname" 483 } 484 485 486 builder_end () 487 { 488 if [ "$_BUILD_MK" ]; then 489 echo "all: $_BUILD_TARGETS" >> $_BUILD_MK 490 run make -j$NUM_JOBS -f $_BUILD_MK 491 fail_panic "Could not build project!" 492 fi 493 494 if [ "$_BUILD_DIR_NEW" ]; then 495 log "Cleaning up build directory: $_BUILD_DIR" 496 rm -rf "$_BUILD_DIR" 497 _BUILD_DIR_NEW= 498 fi 499 } 500 501 # Same as builder_begin, but to target Android with a specific ABI 502 # $1: ABI name (e.g. armeabi) 503 # $2: Build directory 504 # $3: Gcc version 505 # $4: Optional llvm version 506 # $5: Optional Makefile name 507 # $6: Platform (android-X) 508 builder_begin_android () 509 { 510 local ABI BUILDDIR LLVM_VERSION MAKEFILE 511 local ARCH SYSROOT LDIR FLAGS 512 local CRTBEGIN_SO_O CRTEND_SO_O CRTBEGIN_EXE_SO CRTEND_SO_O 513 local BINPREFIX GCC_TOOLCHAIN LLVM_TRIPLE GCC_VERSION 514 local SCRATCH_FLAGS PLATFORM 515 local PREBUILT_NDK=$ANDROID_BUILD_TOP/prebuilts/ndk/current 516 if [ -z "$ANDROID_BUILD_TOP" ]; then 517 panic "ANDROID_BUILD_TOP is not defined!" 518 elif [ ! -d "$PREBUILT_NDK/platforms" ]; then 519 panic "Missing directory: $PREBUILT_NDK/platforms" 520 fi 521 ABI=$1 522 BUILDDIR=$2 523 GCC_VERSION=$3 524 LLVM_VERSION=$4 525 MAKEFILE=$5 526 ARCH=$(convert_abi_to_arch $ABI) 527 PLATFORM=$6 528 529 if [ -n "$LLVM_VERSION" ]; then 530 # override GCC_VERSION to pick $DEFAULT_LLVM_GCC??_VERSION instead 531 if [ "$ABI" != "${ABI%%64*}" ]; then 532 GCC_VERSION=$DEFAULT_LLVM_GCC64_VERSION 533 else 534 GCC_VERSION=$DEFAULT_LLVM_GCC32_VERSION 535 fi 536 fi 537 for TAG in $HOST_TAG $HOST_TAG32; do 538 BINPREFIX=$ANDROID_BUILD_TOP/prebuilts/ndk/current/$(get_toolchain_binprefix_for_arch $ARCH $GCC_VERSION $TAG) 539 if [ -f ${BINPREFIX}gcc ]; then 540 break; 541 fi 542 done 543 if [ -n "$LLVM_VERSION" ]; then 544 GCC_TOOLCHAIN=`dirname $BINPREFIX` 545 GCC_TOOLCHAIN=`dirname $GCC_TOOLCHAIN` 546 LLVM_BINPREFIX=$(get_llvm_toolchain_binprefix $LLVM_VERSION $TAG) 547 fi 548 549 if [ -z "$PLATFORM" ]; then 550 SYSROOT=$PREBUILT_NDK/$(get_default_platform_sysroot_for_arch $ARCH) 551 else 552 SYSROOT=$PREBUILT_NDK/platforms/$PLATFORM/arch-$ARCH 553 fi 554 LDIR=$SYSROOT"/usr/"$(get_default_libdir_for_abi $ABI) 555 556 CRTBEGIN_EXE_O=$LDIR/crtbegin_dynamic.o 557 CRTEND_EXE_O=$LDIR/crtend_android.o 558 559 CRTBEGIN_SO_O=$LDIR/crtbegin_so.o 560 CRTEND_SO_O=$LDIR/crtend_so.o 561 if [ ! -f "$CRTBEGIN_SO_O" ]; then 562 CRTBEGIN_SO_O=$CRTBEGIN_EXE_O 563 fi 564 if [ ! -f "$CRTEND_SO_O" ]; then 565 CRTEND_SO_O=$CRTEND_EXE_O 566 fi 567 568 builder_begin "$BUILDDIR" "$MAKEFILE" 569 builder_set_prefix "$ABI " 570 if [ -z "$LLVM_VERSION" ]; then 571 builder_set_binprefix "$BINPREFIX" 572 else 573 builder_set_binprefix_llvm "$LLVM_BINPREFIX" "$BINPREFIX" 574 case $ABI in 575 armeabi) 576 LLVM_TRIPLE=armv5te-none-linux-androideabi 577 ;; 578 armeabi-v7a|armeabi-v7a-hard) 579 LLVM_TRIPLE=armv7-none-linux-androideabi 580 ;; 581 arm64-v8a) 582 LLVM_TRIPLE=aarch64-none-linux-android 583 ;; 584 x86) 585 LLVM_TRIPLE=i686-none-linux-android 586 ;; 587 x86_64) 588 LLVM_TRIPLE=x86_64-none-linux-android 589 ;; 590 mips|mips32r6) 591 LLVM_TRIPLE=mipsel-none-linux-android 592 ;; 593 mips64) 594 LLVM_TRIPLE=mips64el-none-linux-android 595 ;; 596 esac 597 SCRATCH_FLAGS="-target $LLVM_TRIPLE $FLAGS" 598 builder_ldflags "$SCRATCH_FLAGS" 599 if [ "$LLVM_VERSION" \> "3.4" ]; then 600 # Turn off integrated-as for clang >= 3.5 due to ill-formed object it produces 601 # involving inline-assembly .pushsection/.popsection which crashes ld.gold 602 # BUG=18589643 603 SCRATCH_FLAGS="$SCRATCH_FLAGS -fno-integrated-as" 604 fi 605 builder_cflags "$SCRATCH_FLAGS" 606 builder_cxxflags "$SCRATCH_FLAGS" 607 if [ ! -z $GCC_TOOLCHAIN ]; then 608 SCRATCH_FLAGS="-gcc-toolchain $GCC_TOOLCHAIN" 609 builder_cflags "$SCRATCH_FLAGS" 610 builder_cxxflags "$SCRATCH_FLAGS" 611 builder_ldflags "$SCRATCH_FLAGS" 612 fi 613 fi 614 615 SCRATCH_FLAGS="--sysroot=$SYSROOT" 616 builder_cflags "$SCRATCH_FLAGS" 617 builder_cxxflags "$SCRATCH_FLAGS" 618 619 SCRATCH_FLAGS="--sysroot=$SYSROOT -nostdlib" 620 _BUILD_LDFLAGS_BEGIN_SO="$SCRATCH_FLAGS $CRTBEGIN_SO_O" 621 _BUILD_LDFLAGS_BEGIN_EXE="$SCRATCH_FLAGS $CRTBEGIN_EXE_O" 622 623 _BUILD_LDFLAGS_END_SO="$CRTEND_SO_O" 624 _BUILD_LDFLAGS_END_EXE="$CRTEND_EXE_O" 625 626 case $ABI in 627 armeabi) 628 if [ -z "$LLVM_VERSION" ]; then 629 # add -minline-thumb1-jumptable such that gabi++/stlport/libc++ can be linked 630 # with compiler-rt where helpers __gnu_thumb1_case_* (in libgcc.a) don't exist 631 SCRATCH_FLAGS="-minline-thumb1-jumptable" 632 builder_cflags "$SCRATCH_FLAGS" 633 builder_cxxflags "$SCRATCH_FLAGS" 634 else 635 builder_cflags "" 636 builder_cxxflags "" 637 fi 638 ;; 639 armeabi-v7a|armeabi-v7a-hard) 640 SCRATCH_FLAGS="-march=armv7-a -mfpu=vfpv3-d16" 641 builder_cflags "$SCRATCH_FLAGS" 642 builder_cxxflags "$SCRATCH_FLAGS" 643 builder_ldflags "-march=armv7-a -Wl,--fix-cortex-a8" 644 if [ "$ABI" != "armeabi-v7a-hard" ]; then 645 SCRATCH_FLAGS="-mfloat-abi=softfp" 646 builder_cflags "$SCRATCH_FLAGS" 647 builder_cxxflags "$SCRATCH_FLAGS" 648 else 649 SCRATCH_FLAGS="-mhard-float -D_NDK_MATH_NO_SOFTFP=1" 650 builder_cflags "$SCRATCH_FLAGS" 651 builder_cxxflags "$SCRATCH_FLAGS" 652 builder_ldflags "-Wl,--no-warn-mismatch -lm_hard" 653 fi 654 ;; 655 esac 656 } 657 658 # $1: Build directory 659 # $2: Optional Makefile name 660 builder_begin_host () 661 { 662 prepare_host_build 663 builder_begin "$1" "$2" 664 builder_set_prefix "$HOST_TAG " 665 } 666
