ccxt: Cannot pip install ccxt on MacOS X Mojave 10.14 Beta 18A365a

• OS: macOS Mojave (10.14 Public Beta Build 18A365a)
• Programming Language version: Python 3.6.5

When trying to pip install ccxt I get the following error:

` gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/cchardet/_cchardet.cpp -o build/temp.macosx-10.6-intel-3.6/src/cchardet/_cchardet.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/CharDistribution.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/CharDistribution.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/JpCntx.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/JpCntx.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangArabicModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangArabicModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangBulgarianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangBulgarianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangCroatianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangCroatianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangCzechModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangCzechModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangEsperantoModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangEsperantoModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangEstonianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangEstonianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangFinnishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangFinnishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangFrenchModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangFrenchModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangDanishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangDanishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangGermanModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangGermanModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangGreekModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangGreekModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangHungarianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangHungarianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangHebrewModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangHebrewModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangIrishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangIrishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangItalianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangItalianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangLithuanianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangLithuanianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangLatvianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangLatvianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangMalteseModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangMalteseModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangPolishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangPolishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangPortugueseModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangPortugueseModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangRomanianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangRomanianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangRussianModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangRussianModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangSlovakModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSlovakModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangSloveneModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSloveneModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangSwedishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSwedishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangSpanishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSpanishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangThaiModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangThaiModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangTurkishModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangTurkishModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/LangModels/LangVietnameseModel.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangVietnameseModel.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsHebrewProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsHebrewProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsCharSetProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsCharSetProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsBig5Prober.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsBig5Prober.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsEUCJPProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCJPProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsEUCKRProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCKRProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsEUCTWProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCTWProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsEscCharsetProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEscCharsetProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsEscSM.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEscSM.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsGB2312Prober.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsGB2312Prober.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsMBCSGroupProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsMBCSGroupProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsMBCSSM.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsMBCSSM.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsSBCSGroupProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSBCSGroupProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsSBCharSetProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSBCharSetProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsSJISProber.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSJISProber.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsUTF8Prober.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsUTF8Prober.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsLatin1Prober.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsLatin1Prober.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/nsUniversalDetector.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsUniversalDetector.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. gcc -fno-strict-aliasing -Wsign-compare -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -arch i386 -arch x86_64 -g -Isrc/ext/uchardet/src -I/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -c src/ext/uchardet/src/uchardet.cpp -o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/uchardet.o warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. warning: include path for stdlibc++ headers not found; pass ‘-std=libc++’ on the command line to use the libc++ standard library instead [-Wstdlibcxx-not-found] 1 warning generated. g++ -bundle -undefined dynamic_lookup -arch i386 -arch x86_64 -g build/temp.macosx-10.6-intel-3.6/src/cchardet/_cchardet.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/CharDistribution.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/JpCntx.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangArabicModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangBulgarianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangCroatianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangCzechModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangEsperantoModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangEstonianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangFinnishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangFrenchModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangDanishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangGermanModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangGreekModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangHungarianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangHebrewModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangIrishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangItalianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangLithuanianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangLatvianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangMalteseModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangPolishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangPortugueseModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangRomanianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangRussianModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSlovakModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSloveneModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSwedishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangSpanishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangThaiModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangTurkishModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/LangModels/LangVietnameseModel.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsHebrewProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsCharSetProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsBig5Prober.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCJPProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCKRProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEUCTWProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEscCharsetProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsEscSM.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsGB2312Prober.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsMBCSGroupProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsMBCSSM.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSBCSGroupProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSBCharSetProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsSJISProber.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsUTF8Prober.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsLatin1Prober.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/nsUniversalDetector.o build/temp.macosx-10.6-intel-3.6/src/ext/uchardet/src/uchardet.o -o build/lib.macosx-10.6-intel-3.6/cchardet/_cchardet.cpython-36m-darwin.so clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9 [-Wdeprecated] clang: warning: libstdc++ is deprecated; move to libc++ with a minimum deployment target of OS X 10.9 [-Wdeprecated] ld: library not found for -lstdc++ clang: error: linker command failed with exit code 1 (use -v to see invocation) error: command ‘g++’ failed with exit status 1

----------------------------------------

Command “/Library/Frameworks/Python.framework/Versions/3.6/bin/python3.6 -u -c “import setuptools, tokenize;file=‘/private/var/folders/nx/9zbymqrj44v58zstn5cytkq40000gn/T/pip-install-yhvhrh4k/cchardet/setup.py’;f=getattr(tokenize, ‘open’, open)(file);code=f.read().replace(‘\r\n’, ‘\n’);f.close();exec(compile(code, file, ‘exec’))” install --record /private/var/folders/nx/9zbymqrj44v58zstn5cytkq40000gn/T/pip-record-9re_jkf8/install-record.txt --single-version-externally-managed --compile” failed with error code 1 in /private/var/folders/nx/9zbymqrj44v58zstn5cytkq40000gn/T/pip-install-yhvhrh4k/cchardet/`

Any ideas?