You're querying gcc but your build is using clang.  You can disable
clang by doing `make x64.debug  GYPFLAGS=-Dclang=0`

On Wed, Feb 10, 2016 at 11:30 AM, Daniel Brahneborg <[email protected]> wrote:
> I'm trying to build v8 in Linux, on a quite recent CentOS.
>
> # cat /etc/centos-release
> CentOS Linux release 7.2.1511 (Core)
>
> # rpm -q gcc
> gcc-4.8.5-4.el7.x86_64
>
> # rpm -qa|grep stdc
> libstdc++-4.8.5-4.el7.i686
> libstdc++-devel-4.8.5-4.el7.i686
> compat-libstdc++-33-3.2.3-72.el7.x86_64
> libstdc++-4.8.5-4.el7.x86_64
> libstdc++-devel-4.8.5-4.el7.x86_64
> compat-libstdc++-33-3.2.3-72.el7.i686
>
> The "make x64.debug" command runs for a while, compiling lots
> of files, and then starts to fail with this. How can it not  find libstdc++?
> What have I missed?
>
> make[1]: Entering directory `/home/danbra/src/v8/v8/out'
>
> /home/danbra/src/v8/v8/third_party/llvm-build/Release+Asserts/bin/clang++
> -B/home/danbra/src/v8/v8/third_party/binutils/Linux_x64/Release/bin -pthread
> -fuse-ld=gold
> -B/home/danbra/src/v8/v8/third_party/binutils/Linux_x64/Release/bin
> -fuse-ld=gold
> -B/home/danbra/src/v8/v8/third_party/binutils/Linux_x64/Release/bin -m64
> -m64 -rdynamic -rdynamic -Wl,--threads -Wl,--thread-count=4 -Wl,--threads
> -Wl,--thread-count=4  -o /home/danbra/src/v8/v8/out/x64.debug/mksnapshot
> -Wl,--start-group
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/mksnapshot/src/snapshot/mksnapshot.o
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/tools/gyp/libv8_base.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/tools/gyp/libv8_nosnapshot.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/tools/gyp/libv8_libplatform.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/third_party/icu/libicui18n.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/third_party/icu/libicuuc.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/tools/gyp/libv8_libbase.a
> /home/danbra/src/v8/v8/out/x64.debug/obj.target/third_party/icu/libicudata.a
> -Wl,--end-group -ldl -lrt
> /home/danbra/src/v8/v8/third_party/binutils/Linux_x64/Release/bin/ld.gold:
> error: cannot find -lstdc++
>
> /Daniel
>
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