Ubuntu 构建HHVM缺少GCC 4.7，但已安装_Ubuntu_Gcc_Hhvm

Ubuntu 构建HHVM缺少GCC 4.7，但已安装

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Ubuntu 构建HHVM缺少GCC 4.7，但已安装,ubuntu,gcc,hhvm,Ubuntu,Gcc,Hhvm,我尝试在Ubuntu12.04上编译HHVM 我得到这个错误： $ cmake . Using HPHP_HOME == /home/foo/dev/hhvm -- CMAKE_PREFIX_PATH was missing, proceeding anyway CMake Error at CMake/HPHPCompiler.cmake:11 (message): Need at least GCC 4.7 但GCC4.7似乎安装正确 $ gcc -v Using built-in s

我尝试在Ubuntu12.04上编译HHVM

我得到这个错误：

$ cmake .
Using HPHP_HOME == /home/foo/dev/hhvm
-- CMAKE_PREFIX_PATH was missing, proceeding anyway
CMake Error at CMake/HPHPCompiler.cmake:11 (message):
  Need at least GCC 4.7

但GCC4.7似乎安装正确

$ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/lto-wrapper Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu/Linaro 4.7.3-2ubuntu1~12.04' --with-bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs --enable-languages=c,c++,go,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-4.7 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.7 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --enable-plugin --with-system-zlib --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64 --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-2ubuntu1~12.04) $gcc-v 使用内置规格。收集\u GCC=GCC COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/4.7/LTO-WRAPPER 目标：x86_64-linux-gnu 配置为：../src/configure-v--with pkgversion='Ubuntu/Linaro 4.7.3-2ubuntu1~12.04'--with bugurl=file:///usr/share/doc/gcc-4.7/README.Bugs -启用语言= C、C++、GO、FORTRAN、Objc，obj-c++--prefix=/usr--program suffix=-4.7--enable shared--enable linker build id--libexecdir=/usr/lib--include gettext--enable threads=posix--with gxx include dir=/usr/c++/4.7--libdir=/usr/lib--enable nls--with sysroot=--enable clocale=gnu--enable libstdcxx debug--enable libstdcxx time=yes enable gnu unique object--启用插件--使用系统zlib--启用objc gc--启用多拱--禁用werror--使用-arch-32=i686--使用abi=m64--使用多库列表=m32，m64--使用tune=generic--启用检查=release--build=x86_64-linux-gnu--host=x86_64-linux-gnu--target=x86_64-linux-gnu 线程模型：posix gcc版本4.7.3（Ubuntu/Linaro 4.7.3-2ubuntu1~12.04）

cmake是否可以通过路径指向特定的编译器，这与您在全球可用的编译器不同？您是如何安装GCC4.7的？12.04配备4.6的船舶。您可能需要将GCC4.7设置为默认值，您这样做了吗？我从PPA（如链接指南中所示）安装了它，并更新了备选方案