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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
7set -e
8
9if [ `basename $(pwd)` != "lib" ]
10then
11    echo "current directory must be lib"
12    exit 1
13fi
14
15if [ -z "$CXX" ]
16then
17    CXX=clang++
18fi
19
20if [ -z "$CXX_LANG" ]
21then
22    CXX_LANG=c++11
23fi
24
25if [ -z "$CC" ]
26then
27    CC=clang
28fi
29
30if [ -z "$MACOSX_DEPLOYMENT_TARGET" ]
31then
32    if [ -z "$IPHONEOS_DEPLOYMENT_TARGET" ]
33    then
34        MACOSX_DEPLOYMENT_TARGET=10.7
35    fi
36fi
37
38if [ -z "$RC_ProjectSourceVersion" ]
39then
40  RC_ProjectSourceVersion=1
41fi
42
43EXTRA_FLAGS="-nostdinc++ -std=${CXX_LANG} -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion \
44             -Wpadded -Wstrict-aliasing=2 -Wstrict-overflow=4 "
45
46case $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 [ $hostOS = "linux" ]
110    then
111      LDSHARED_FLAGS="-o libc++.so.1 \
112        -qmkshrobj -Wl,-soname,libc++.so.1 \
113        -lpthread -lrt -lc -lstdc++"
114      EXTRA_FLAGS="-qlanglvl=extended0x -D__GLIBCXX__=1"
115    else
116      LDSHARED_FLAGS="-o shr.o -qmkshrobj -lpthread -bnoquiet"
117      EXTRA_FLAGS="-qlanglvl=extended0x"
118    fi
119    RC_CFLAGS="-qpic=large"
120    ;;
121  *)
122    RC_CFLAGS="-fPIC"
123    SOEXT=so
124    LDSHARED_FLAGS="-o libc++.so.1.0 \
125        -shared -nodefaultlibs -Wl,-soname,libc++.so.1 \
126        -lpthread -lrt -lc -lstdc++"
127    ;;
128esac
129
130if [ -z "$RC_XBS" ]
131then
132    rm -f libc++.1.$SOEXT*
133fi
134
135set -x
136
137for FILE in ../src/*.cpp; do
138    $CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -I../include $FILE
139done
140case $TRIPLE in
141  *-*-mingw*)
142  for FILE in ../src/support/win32/*.cpp; do
143    $CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -I../include $FILE
144  done
145  ;;
146esac
147$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.
153case $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 [ $hostOS = "linux" ]
162        then
163           rm -f libc++.so
164           ln -s libc++.so.1 libc++.so
165        else #AIX
166           rm -f libc++.a
167           ar r libc++.a shr.o
168        fi
169        ;;
170    *)
171        rm -f libc++.so
172        ln -s libc++.so.1 libc++.so
173        ;;
174esac
175
176if [ -z "$RC_XBS" ]
177then
178    rm *.o
179fi
180