src/third_party/libc++/trunk/lib/buildit

   1 #! /bin/sh
   2 #
   3 # Set the $TRIPLE environment variable to your system's triple before
   4 # running this script.  If you set $CXX, that will be used to compile
   5 # the library.  Otherwise we'll use clang++.
   6
   7 set -e
   8
   9 if [ `basename $(pwd)` != "lib" ]
  10 then
  11     echo "current directory must be lib"
  12     exit 1
  13 fi
  14
  15 if [ -z "$CXX" ]
  16 then
  17     CXX=clang++
  18 fi
  19
  20 if [ -z "$CXX_LANG" ]
  21 then
  22     CXX_LANG=c++11
  23 fi
  24
  25 if [ -z "$CC" ]
  26 then
  27     CC=clang
  28 fi
  29
  30 if [ -z "$MACOSX_DEPLOYMENT_TARGET" ]
  31 then
  32     if [ -z "$IPHONEOS_DEPLOYMENT_TARGET" ]
  33     then
  34         MACOSX_DEPLOYMENT_TARGET=10.7
  35     fi
  36 fi
  37
  38 if [ -z "$RC_ProjectSourceVersion" ]
  39 then
  40   RC_ProjectSourceVersion=1
  41 fi
  42
  43 EXTRA_FLAGS="-nostdinc++ -std=${CXX_LANG} -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion \
  44              -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 "
  45
  46 case $TRIPLE in
  47   *-apple-*)
  48     if [ -z $RC_XBS ]
  49     then
  50       RC_CFLAGS="-arch i386 -arch x86_64"
  51     fi
  52     SOEXT=dylib
  53     if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
  54     then
  55         EXTRA_FLAGS="-nostdinc++ -std=c++11 -U__STRICT_ANSI__"
  56         LDSHARED_FLAGS="-o libc++.1.dylib \
  57             -dynamiclib -nodefaultlibs -current_version 1 \
  58             -compatibility_version 1 \
  59             -install_name /usr/lib/libc++.1.dylib \
  60             -Wl,-reexport_library,/usr/lib/libc++abi.dylib \
  61             -Wl,-unexported_symbols_list,libc++unexp.exp  \
  62             /usr/lib/libSystem.B.dylib"
  63     else
  64         if [ -n "$SDKROOT" ]
  65         then
  66             EXTRA_FLAGS+="-isysroot ${SDKROOT} "
  67             if echo "${RC_ARCHS}" | grep -q "armv7"
  68             then
  69                 RE_EXPORT_LINE="${SDKROOT}/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++sjlj-abi.exp"
  70             else
  71                 RE_EXPORT_LINE="-Wl,-reexport_library,${SDKROOT}/usr/lib/libc++abi.dylib"
  72             fi
  73             CXX=`xcrun -sdk "${SDKROOT}"  -find clang++`
  74             CC=`xcrun -sdk "${SDKROOT}"  -find clang`
  75         else
  76             # Check if we have _LIBCPPABI_VERSION, to determine the reexport list to use.
  77             if (echo "#include <cxxabi.h>" | $CXX -E -dM -x c++ - | \
  78                 grep _LIBCPPABI_VERSION > /dev/null)
  79             then
  80                 RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi2.exp"
  81             else
  82                 RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi.exp"
  83             fi
  84         fi
  85         LDSHARED_FLAGS="-o libc++.1.dylib \
  86             -dynamiclib -nodefaultlibs  \
  87             -current_version ${RC_ProjectSourceVersion} \
  88             -compatibility_version 1 \
  89             -install_name /usr/lib/libc++.1.dylib \
  90             -lSystem  \
  91             -Wl,-unexported_symbols_list,libc++unexp.exp  \
  92             ${RE_EXPORT_LINE}  \
  93             -Wl,-force_symbols_not_weak_list,notweak.exp \
  94             -Wl,-force_symbols_weak_list,weak.exp"
  95     fi
  96     ;;
  97   *-*-mingw*)
  98     # FIXME: removing libgcc and libsupc++ dependencies means porting libcxxrt and LLVM/compiler-rt
  99     SOEXT=dll
 100     LDSHARED_FLAGS="-o libc++.dll \
 101         -shared -nodefaultlibs -Wl,--export-all-symbols -Wl,--allow-multiple-definition -Wl,--out-implib,libc++.dll.a \
 102         -lsupc++ -lpthread -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcr100 -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcrt"
 103     ;;
 104   *-ibm-*)
 105     hostOS=`uname`
 106     hostOS=`echo $hostOS | sed -e "s/\s+$//"`
 107     hostOS=`echo $hostOS | tr '[A-Z]' '[a-z]'`
 108
 109     if [ $hostOS == "linux" ]
 110     then
 111       LDSHARED_FLAGS="-o libc++.so.1 \
 112         -qmkshrobj -Wl,-soname,libc++.so.1 \
 113         -lpthread -lrt -lc -lstdc++"
 114       EXTRA_FLAGS="-qlanglvl=extended0x -D__GLIBCXX__=1"
 115     else
 116       LDSHARED_FLAGS="-o shr.o -qmkshrobj -lpthread -bnoquiet"
 117       EXTRA_FLAGS="-qlanglvl=extended0x"
 118     fi
 119     RC_CFLAGS="-qpic=large"
 120     ;;
 121   *)
 122     RC_CFLAGS="-fPIC"
 123     SOEXT=so
 124     LDSHARED_FLAGS="-o libc++.so.1.0 \
 125         -shared -nodefaultlibs -Wl,-soname,libc++.so.1 \
 126         -lpthread -lrt -lc -lstdc++"
 127     ;;
 128 esac
 129
 130 if [ -z "$RC_XBS" ]
 131 then
 132     rm -f libc++.1.$SOEXT*
 133 fi
 134
 135 set -x
 136
 137 for FILE in ../src/*.cpp; do
 138     $CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -I../include $FILE
 139 done
 140 case $TRIPLE in
 141   *-*-mingw*)
 142   for FILE in ../src/support/win32/*.cpp; do
 143     $CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -I../include $FILE
 144   done
 145   ;;
 146 esac
 147 $CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS
 148
 149 #libtool -static -o libc++.a *.o
 150
 151 # Create the link for the final library name, so that we can use this directory
 152 # as a link target for the tests.
 153 case $TRIPLE in
 154     *-apple-*)
 155         rm -f libc++.dylib
 156         ln -s libc++.1.dylib libc++.dylib
 157         ;;
 158     *-*-mingw*)
 159         ;;
 160     *-ibm-*)
 161         if [ $hostOS == "linux" ]
 162         then
 163            rm -f libc++.so
 164            ln -s libc++.so.1 libc++.so
 165         else #AIX
 166            rm -f libc++.a
 167            ar r libc++.a shr.o
 168         fi
 169         ;;
 170     *)
 171         rm -f libc++.so
 172         ln -s libc++.so.1 libc++.so
 173         ;;
 174 esac
 175
 176 if [ -z "$RC_XBS" ]
 177 then
 178     rm *.o
 179 fi