Error building libc++ with clang - MacOSX 10.6

[James Jackson]

Dear all,

I'm currently attempting to build a self-hosted clang / LLVM toolset. The initial build of clang / LLVM with GCC has been successful (and clang is currently building itself, all good so far), I'm now wanting to build libc++ with clang (in order to then re-build clang with itself and a self-hosted libc++), however following the simple instructions on the lib++ index page, I'm getting the error "'cxxabi.h' file not found" shown below [1].

I've found one mailing list post mentioning this [2], but not proposing how to work around it. I'd welcome any suggestions.

Yours,

James.

[1]

$ export MACOSX_DEPLOYMENT_TARGET=10.6

$ export TRIPLE=-apple-

$ ./buildit 

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/algorithm.cpp

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/bind.cpp

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/chrono.cpp

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/condition_variable.cpp

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/debug.cpp

+ for FILE in '../src/*.cpp'

+ clang++ -c -g -Os -arch i386 -arch x86_64 -std=c++0x -U__STRICT_ANSI__ -nostdinc++ -I../include ../src/exception.cpp

../src/exception.cpp:18:12: fatal error: 'cxxabi.h' file not found

  #include <cxxabi.h>

           ^

1 error generated.

../src/exception.cpp:18:12: fatal error: 'cxxabi.h' file not found

  #include <cxxabi.h>

           ^

1 error generated.

/usr/bin/lipo: can't open input file: /var/folders/nD/nDG6jzxRGq4an-b7cCbemU+++TI/-Tmp-/exception-MhXFPU.o (No such file or directory)

clang: error: lipo command failed with exit code 1 (use -v to see invocation)

[2] http://lists.cs.uiuc.edu/pipermail/llvmbugs/2011-July.txt

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[Jonathan Sauer]

Hello,

> I'm currently attempting to build a self-hosted clang / LLVM toolset. The initial build of clang / LLVM with GCC has been successful (and clang is currently building itself, all good so far), I'm now wanting to build libc++ with clang (in order to then re-build clang with itself and a self-hosted libc++), however following the simple instructions on the lib++ index page, I'm getting the error "'cxxabi.h' file not found" shown below [1].

You need this file from libc++abi: <http://llvm.org/svn/llvm-project/libcxxabi/trunk/include/cxxabi.h>


HTH,
Jonathan


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