nacl/common.sh

   1 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
   2 # Use of this source code is governed by a BSD-style license that be
   3 # found in the LICENSE file.
   4 #
   5
   6 set -o nounset
   7 set -o errexit
   8
   9 # scripts that source this file must be run from within packages tree
  10 readonly SAVE_PWD=$(pwd)
  11
  12 # Pick platform directory for compiler.
  13 readonly OS_NAME=$(uname -s)
  14 if [ $OS_NAME = "Darwin" ]; then
  15   readonly OS_SUBDIR="mac"
  16   readonly OS_SUBDIR_SHORT="mac"
  17 elif [ $OS_NAME = "Linux" ]; then
  18   readonly OS_SUBDIR="linux"
  19   readonly OS_SUBDIR_SHORT="linux"
  20 else
  21   readonly OS_SUBDIR="windows"
  22   readonly OS_SUBDIR_SHORT="win"
  23 fi
  24
  25 readonly MACHINE=$(uname -m)
  26 if [ $MACHINE = "x86_64" ]; then
  27   readonly TARGET_BITSIZE=${TARGET_BITSIZE:-"64"}
  28   readonly HOST_BITSIZE=${HOST_BITSIZE:-"64"}
  29 else
  30   # uname -m reports i686 on Linux and i386 on Mac
  31   readonly TARGET_BITSIZE=${TARGET_BITSIZE:-"32"}
  32   readonly HOST_BITSIZE=${HOST_BITSIZE:-"32"}
  33 fi
  34
  35 if [ $TARGET_BITSIZE == "64" ]; then
  36   readonly TARGET_BIT_PREFIX="64"
  37   readonly CROSS_ID=x86_64
  38 else
  39   readonly TARGET_BIT_PREFIX=""
  40   readonly CROSS_ID=i686
  41 fi
  42 # we might want to override the detected host platform (e.g. on OSX 10.6)
  43 if [ $HOST_BITSIZE == "64" ]; then
  44   readonly HOST_BIT_PREFIX="64"
  45 else
  46   readonly HOST_BIT_PREFIX=""
  47 fi
  48
  49 export NACL_CROSS_PREFIX=${CROSS_ID}-nacl
  50 export NACL_CROSS_PREFIX_DASH=${NACL_CROSS_PREFIX}-
  51
  52 readonly NACL_NEWLIB=${NACL_NEWLIB:-"0"}
  53
  54 if [ $NACL_NEWLIB = "1" ]; then
  55   readonly NACL_SDK_BASE=${NACL_SDK_ROOT}/toolchain/${OS_SUBDIR_SHORT}_x86_newlib
  56 else
  57 case "${NACL_SDK_ROOT}" in
  58 *pepper_15* | *pepper_16* | *pepper_17*)
  59   readonly NACL_SDK_BASE=${NACL_SDK_ROOT}/toolchain/${OS_SUBDIR_SHORT}_x86
  60   ;;
  61 *)
  62   readonly NACL_SDK_BASE=${NACL_SDK_ROOT}/toolchain/${OS_SUBDIR_SHORT}_x86_glibc
  63   ;;
  64 esac
  65 fi
  66
  67 readonly NACL_BIN_PATH=${NACL_SDK_BASE}/bin
  68 export NACLCC=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}gcc
  69 export NACLCXX=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}g++
  70 export NACLAR=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}ar
  71 export NACLRANLIB=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}ranlib
  72 export NACLLD=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}ld
  73 export NACLAS=${NACL_BIN_PATH}/${NACL_CROSS_PREFIX_DASH}as
  74
  75 # NACL_SDK_GCC_SPECS_PATH is where nacl-gcc 'specs' file will be installed
  76 readonly NACL_SDK_GCC_SPECS_PATH=${NACL_SDK_BASE}/lib/gcc/x86_64-nacl/4.4.3
  77
  78 # NACL_SDK_USR is where the headers, libraries, etc. will be installed
  79 readonly NACL_SDK_USR=${NACL_SDK_BASE}/${NACL_CROSS_PREFIX}/usr
  80 readonly NACL_SDK_USR_INCLUDE=${NACL_SDK_USR}/include
  81 readonly NACL_SDK_USR_LIB=${NACL_SDK_USR}/lib
  82
  83
  84 ######################################################################
  85 # Helper functions
  86 ######################################################################
  87
  88 Banner() {
  89   echo "######################################################################"
  90   echo $*
  91   echo "######################################################################"
  92 }
  93
  94
  95 VerifyPath() {
  96   # make sure path isn't all slashes (possibly from an unset variable)
  97   local PATH=$1
  98   local TRIM=${PATH##/}
  99   if [ ${#TRIM} -ne 0 ]; then
 100     return 0
 101   else
 102     return 1
 103   fi
 104 }
 105
 106
 107 ChangeDir() {
 108   local NAME=$1
 109   if VerifyPath ${NAME}; then
 110     cd ${NAME}
 111   else
 112     echo "ChangeDir called with bad path."
 113     exit -1
 114   fi
 115 }
 116
 117
 118 Remove() {
 119   local NAME=$1
 120   if VerifyPath ${NAME}; then
 121     rm -rf ${NAME}
 122   else
 123     echo "Remove called with bad path."
 124     exit -1
 125   fi
 126 }
 127
 128
 129 MakeDir() {
 130   local NAME=$1
 131   if VerifyPath ${NAME}; then
 132     mkdir -p ${NAME}
 133   else
 134     echo "MakeDir called with bad path."
 135     exit -1
 136   fi
 137 }
 138
 139
 140 PatchSpecFile() {
 141   # fix up spaces so gcc sees entire path
 142   local SED_SAFE_SPACES_USR_INCLUDE=${NACL_SDK_USR_INCLUDE/ /\ /}
 143   local SED_SAFE_SPACES_USR_LIB=${NACL_SDK_USR_LIB/ /\ /}
 144   # have nacl-gcc dump specs file & add include & lib search paths
 145   ${NACL_SDK_BASE}/bin/x86_64-nacl-gcc -dumpspecs |\
 146     sed "/*cpp:/{
 147       N
 148       s|$| -I${SED_SAFE_SPACES_USR_INCLUDE}|
 149     }" |\
 150     sed "/*link_libgcc:/{
 151       N
 152       s|$| -L${SED_SAFE_SPACES_USR_LIB}|
 153     }" >${NACL_SDK_GCC_SPECS_PATH}/specs
 154 }
 155
 156
 157 DefaultConfigureStep() {
 158   Banner "Configuring ${PACKAGE_NAME}"
 159   # export the nacl tools
 160   export CC=${NACLCC}
 161   export CXX=${NACLCXX}
 162   export AR=${NACLAR}
 163   export RANLIB=${NACLRANLIB}
 164   export PKG_CONFIG_PATH=${NACL_SDK_USR_LIB}/pkgconfig
 165   export PKG_CONFIG_LIBDIR=${NACL_SDK_USR_LIB}
 166   export PATH=${NACL_BIN_PATH}:${PATH};
 167   ChangeDir ${NACL_PACKAGES_REPOSITORY}/${PACKAGE_NAME}
 168   Remove ${PACKAGE_NAME}-build
 169   MakeDir ${PACKAGE_NAME}-build
 170   cd ${PACKAGE_NAME}-build
 171   ../configure \
 172     --host=nacl \
 173     --disable-shared \
 174     --prefix=${NACL_SDK_USR} \
 175     --exec-prefix=${NACL_SDK_USR} \
 176     --libdir=${NACL_SDK_USR_LIB} \
 177     --oldincludedir=${NACL_SDK_USR_INCLUDE} \
 178     --with-http=off \
 179     --with-html=off \
 180     --with-ftp=off \
 181     --with-x=no
 182 }
 183
 184
 185 DefaultBuildStep() {
 186   # assumes pwd has makefile
 187   make clean
 188 if [ $TARGET_BITSIZE == "64" ]; then
 189   make -j8
 190 else
 191   make
 192 fi
 193 }
 194
 195
 196 DefaultInstallStep() {
 197   # assumes pwd has makefile
 198   make install
 199 }
 200
 201
 202 DefaultCleanUpStep() {
 203   PatchSpecFile
 204   ChangeDir ${SAVE_PWD}
 205 }
 206
 207
 208 DefaultPackageInstall() {
 209   DefaultPreInstallStep
 210   DefaultDownloadStep
 211   DefaultExtractStep
 212   DefaultPatchStep
 213   DefaultConfigureStep
 214   DefaultBuildStep
 215   DefaultInstallStep
 216   DefaultCleanUpStep
 217 }