1 #!/bin/sh 2 # 3 # Copyright (C) 2013 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 # Rebuild the host GCC toolchain binaries from sources. 18 # 19 # NOTE: this script does not rebuild gdb, see build-host-gdb.sh for this. 20 # 21 22 # include common function and variable definitions 23 . `dirname $0`/prebuilt-common.sh 24 25 PROGRAM_PARAMETERS="" 26 PROGRAM_DESCRIPTION="\ 27 This program is used to deploy mclinker (ld.mcld) to GCC directories. 28 Although ld.mcld depends on lots of LLVM modules and is built in 29 build-llvm.sh to reduce long LLVM compilation time, it can be used as 30 a drop-in replacement for ld.bfd and ld.gold in GCC. 31 32 Running after completion of both build-llvm.sh and build-[host-]gcc.sh, 33 this script copy toolchains/llvm-$DEFAULT_LLVM_VERSION/prebuilt/$SYSTEM/bin/ld.mcld[.exe] 34 to be sibling of ld in all GCC and LLVM directories with same HOST_OS and bitness, 35 ie. {linux, darwin, windows} x {64, 32} 36 37 If --systems isn't specified, this script discovers all ld.mcld[.exe] in 38 toolchains/llvm-$DEFAULT_LLVM_VERSION 39 40 Note that one copy of ld.mcld serves all GCC {4.9, 4.8, 4.7, 4.6, 4.4.3} x {arm, x86, mips} and 41 LLVM {3.3, 3.4}. 42 43 GCC passes -m flag for ld.mcld to figure out the right target. 44 " 45 NDK_DIR= 46 register_var_option "--ndk-dir=<path>" NDK_DIR "NDK installation directory" 47 48 PACKAGE_DIR= 49 register_var_option "--package-dir=<path>" PACKAGE_DIR "Create archive tarball in specific directory" 50 51 SYSTEMS= 52 register_var_option "--systems=<list>" SYSTEMS "List of host systems to deply ld.mcld for" 53 54 extract_parameters "$@" 55 56 if [ -z "$NDK_DIR" ] ; then 57 NDK_DIR=$ANDROID_NDK_ROOT 58 log "Auto-config: --ndk-dir=$NDK_DIR" 59 else 60 if [ ! -d "$NDK_DIR" ] ; then 61 echo "ERROR: NDK directory does not exists: $NDK_DIR" 62 exit 1 63 fi 64 fi 65 66 if [ "$PACKAGE_DIR" ]; then 67 mkdir -p "$PACKAGE_DIR" 68 fail_panic "Could not create package directory: $PACKAGE_DIR" 69 fi 70 71 cd $NDK_DIR 72 73 if [ -z "$SYSTEMS" ]; then 74 # find all ld.mcld 75 ALL_MCLDS=`find toolchains/llvm-$DEFAULT_LLVM_VERSION -name "ld.mcld*"` 76 77 for MCLD in $ALL_MCLDS; do 78 # compute SYSTEM of this ld.mcld 79 SYSTEM=${MCLD%%/bin/*} 80 SYSTEM=${SYSTEM##*prebuilt/} 81 SYSTEMS=$SYSTEMS" $SYSTEM" 82 done 83 fi 84 85 for SYSTEM in $SYSTEMS; do 86 HOST_EXE= 87 if [ "$SYSTEM" != "${SYSTEM%%windows*}" ] ; then 88 HOST_EXE=.exe 89 fi 90 91 MCLD=toolchains/llvm-$DEFAULT_LLVM_VERSION/prebuilt/$SYSTEM/bin/ld.mcld$HOST_EXE 92 test -f "$MCLD" || fail_panic "Could not find $MCLD" 93 94 ALL_LD_MCLDS= 95 96 # find all GNU ld with the same SYSTEM 97 ALL_LDS=`find toolchains \( -name "*-ld" -o -name "ld" -o -name "*-ld.exe" -o -name "ld.exe" \) | egrep "/arm|/x86|/mips|/aarch64" | grep $SYSTEM/` 98 for LD in $ALL_LDS; do 99 LD_NOEXE=${LD%%.exe} 100 LD_MCLD=${LD_NOEXE}.mcld$HOST_EXE 101 run rm -f "$LD_MCLD" 102 if [ "$LD_NOEXE" != "${LD_NOEXE%%/ld}" ] ; then 103 # ld in $ABI/bin/ld 104 run ln -s "../../../../../../$MCLD" "$LD_MCLD" 105 else 106 # ld in bin/$ABI-ld 107 run ln -s "../../../../../$MCLD" "$LD_MCLD" 108 fi 109 ALL_LD_MCLDS=$ALL_LD_MCLDS" $LD_MCLD" 110 done 111 112 # find all llvm-* which isn't llvm-$DEFAULT_LLVM_VERSION 113 for LLVM in $DEFAULT_LLVM_VERSION_LIST; do 114 if [ "$LLVM" != "$DEFAULT_LLVM_VERSION" ]; then 115 LD_MCLD=toolchains/llvm-$LLVM/prebuilt/$SYSTEM/bin/ld.mcld$HOST_EXE 116 run rm -f "$LD_MCLD" 117 run ln -s "../../../../../$MCLD" "$LD_MCLD" 118 ALL_LD_MCLDS=$ALL_LD_MCLDS" $LD_MCLD" 119 fi 120 done 121 122 # package 123 if [ "$PACKAGE_DIR" ]; then 124 ARCHIVE="ld.mcld-$SYSTEM.tar.bz2" 125 #echo $ARCHIVE 126 echo "Packaging $ARCHIVE" 127 pack_archive "$PACKAGE_DIR/$ARCHIVE" "$NDK_DIR" $ALL_LD_MCLDS 128 fi 129 done 130 131 dump "Done." 132
