Node-gyp: Instruct node-gyp to use specific version of g++ and gcc

Created on 10 Dec 2015 · 12Comments · Source: nodejs/node-gyp

Hello,

I am new to the world of installing Javascript modules and I am having the task of installing capnp JS libraries using g++ v4.8 in our RHEL6 environment.

As we only have v4.4.7 in /usr/bin/g++, we decided to use the g++ (v4.8.2) installed in /opt.

I downloaded the source from https://github.com/kentonv/node-capnp and added the below lines to binding.gyp but it doesn’t work.

'make_global_settings': [
    {  
      'CXX': ['/opt/rh/devtoolset-2/root/usr/bin/g++'],
      'CC': ['/opt/rh/devtoolset-2/root/usr/bin/gcc']
    }],

When I straced the process, found that node-gyp is looking for the g++ libraries only in below location.

/usr/lib/node_modules/npm/bin/node-gyp-bin
/u/easwaraa/node_modules/capnp/node_modules/.bin
/usr/bin

I tried searching around to see if I can update the path somewhere but couldn’t find it. FWIW, I tried updating my .pathrc too but it didn’t help.

When I run npm install, I get the below message.

 ~/tmp/capnproto/temp_js_RPC/node-capnp $ npm install

> [email protected] install /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
> node ./build.js

make: Entering directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
  CXX(target) Release/obj.target/capnp/src/node-capnp/capnp.o
cc1plus: error: unrecognized command line option "-std=c++11"
make: *** [Release/obj.target/capnp/src/node-capnp/capnp.o] Error 1
make: Leaving directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok 
Build failed
npm ERR! weird error 1
npm ERR! not ok code 0

How can I update node-gyp to use the different version of g++?

Please let me know if something isn’t clear.

Source

easwaraa

❤2

Most helpful comment

env CC=/path/to/gcc CXX=/path/to/g++ npm install should normally do the trick. If you want to use make_global_settings, you may have to set CC.host, CXX.host, CC.target and CXX.target as well.

It looks like you're using devtoolset-2; it's been a while since I last worked with that but I remember you need to start a shell with scl enable for it to be active.

bnoordhuis on 10 Dec 2015

👍8

All 12 comments

It looks like you're using devtoolset-2; it's been a while since I last worked with that but I remember you need to start a shell with scl enable for it to be active.

bnoordhuis on 10 Dec 2015

👍8

Thanks for the quick response.

Setting the variables worked but still the node-gyp rebuild is failing.

make: *** [Release/obj.target/capnp/src/node-capnp/capnp.o] Error 1
make: Leaving directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok 
Build failed
npm ERR! weird error 1
npm ERR! not ok code 0

It looks like you're using devtoolset-2; it's been a while since I last worked with that but I remember you need to start a shell with scl enable for it to be active.

I tried that already but it still fails.

 ~ $ scl enable devtoolset-2 /bin/bash
 ~ $ cd ~/tmp/capnproto/temp_js_RPC/node-capnp
 ~/tmp/capnproto/temp_js_RPC/node-capnp $npm install

> [email protected] install /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
> node ./build.js

make: Entering directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
  CXX(target) Release/obj.target/capnp/src/node-capnp/capnp.o
cc1plus: error: unrecognized command line option "-std=c++11"
make: *** [Release/obj.target/capnp/src/node-capnp/capnp.o] Error 1
make: Leaving directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok 
Build failed
npm ERR! weird error 1
npm ERR! not ok code 0

easwaraa on 10 Dec 2015

cc1plus: error: unrecognized command line option "-std=c++11"

That error suggests it's not actually using g++ 4.8. What does env V=1 node-gyp rebuild print?

bnoordhuis on 10 Dec 2015

Initially ‘env V=1 node-gyp rebuild’ was failing with the below error.

gyp info it worked if it ends with ok
gyp info using [email protected]
gyp info using [email protected] | linux | x64
gyp info spawn python
gyp info spawn args [ '/usr/bin/gyp',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/lib/node_modules/node-gyp/addon-rpm.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/share/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/usr/share/node',
gyp info spawn args   '-Dmodule_root_dir=/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.' ]
Traceback (most recent call last):
  File "/usr/bin/gyp", line 15, in <module>
    import gyp
ImportError: No module named gyp
gyp ERR! configure error 
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (/usr/lib/node_modules/node-gyp/lib/configure.js:428:16)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/bin/node-gyp" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok

Little googling, pointed me to http://stackoverflow.com/questions/17706310/how-to-add-path-with-module-to-python

And I installed the gyp libraries from chromium and now ‘env V=1 node-gyp rebuild’ is giving the below error.

~/tmp/capnproto/temp_js_RPC/node-capnp $ env V=1 node-gyp rebuild
gyp info it worked if it ends with ok
gyp info using [email protected]
gyp info using [email protected] | linux | x64
gyp info spawn python
gyp info spawn args [ '/usr/bin/gyp',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/lib/node_modules/node-gyp/addon-rpm.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/share/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/usr/share/node',
gyp info spawn args   '-Dmodule_root_dir=/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.' ]
gyp info spawn make
gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
make: Entering directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
  /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/CC '-D_LARGEFILE_SOURCE' '-D_FILE_OFFSET_BITS=64' '-DBUILDING_NODE_EXTENSION' -I/usr/include -I/usr/include/node  -fPIC -Wall -Wextra -Wno-unused-parameter -pthread -m64 -O2 -fno-strict-aliasing -fno-tree-vrp -fno-tree-sink -fno-omit-frame-pointer -std=c++11 -MMD -MF ./Release/.deps/Release/obj.target/capnp/src/node-capnp/capnp.o.d.raw   -c -o Release/obj.target/capnp/src/node-capnp/capnp.o ../src/node-capnp/capnp.cc
make: /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/CC: Command not found
make: *** [Release/obj.target/capnp/src/node-capnp/capnp.o] Error 127
make: Leaving directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/bin/node-gyp" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok

easwaraa on 11 Dec 2015

make: /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/CC: Command not found

Where does that file name come from? Are you still using make_global_settings?

bnoordhuis on 11 Dec 2015

Ah,, sorry I was using it before. When I removed it, its giving a different error now.

Is it happening because of capnp C libraries?

~/tmp/capnproto/temp_js_RPC/node-capnp $ env CC=/opt/rh/devtoolset-2/root/usr/bin/gcc CXX=/opt/rh/devtoolset-2/root/usr/bin/g++ V=1 node-gyp rebuild
gyp info it worked if it ends with ok
gyp info using [email protected]
gyp info using [email protected] | linux | x64
gyp info spawn python
gyp info spawn args [ '/usr/bin/gyp',
gyp info spawn args   'binding.gyp',
gyp info spawn args   '-f',
gyp info spawn args   'make',
gyp info spawn args   '-I',
gyp info spawn args   '/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build/config.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/lib/node_modules/node-gyp/addon-rpm.gypi',
gyp info spawn args   '-I',
gyp info spawn args   '/usr/share/node/common.gypi',
gyp info spawn args   '-Dlibrary=shared_library',
gyp info spawn args   '-Dvisibility=default',
gyp info spawn args   '-Dnode_root_dir=/usr/share/node',
gyp info spawn args   '-Dmodule_root_dir=/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp',
gyp info spawn args   '--depth=.',
gyp info spawn args   '--generator-output',
gyp info spawn args   'build',
gyp info spawn args   '-Goutput_dir=.' ]
gyp info spawn make
gyp info spawn args [ 'BUILDTYPE=Release', '-C', 'build' ]
make: Entering directory '/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
  /opt/rh/devtoolset-2/root/usr/bin/g++ '-D_LARGEFILE_SOURCE' '-D_FILE_OFFSET_BITS=64' '-DBUILDING_NODE_EXTENSION' -I/usr/include -I/usr/include/node  -fPIC -Wall -Wextra -Wno-unused-parameter -pthread -m64 -O2 -fno-strict-aliasing -fno-tree-vrp -fno-tree-sink -fno-omit-frame-pointer -std=c++11 -MMD -MF ./Release/.deps/Release/obj.target/capnp/src/node-capnp/capnp.o.d.raw   -c -o Release/obj.target/capnp/src/node-capnp/capnp.o ../src/node-capnp/capnp.cc
../src/node-capnp/capnp.cc: In member function \u2018capnp::Orphan<capnp::DynamicValue> v8capnp::{anonymous}::FromJsConverter::orphanFromJs(capnp::StructSchema::Field, capnp::Orphanage, capnp::Type, v8::Handle<v8::Value>)\u2019:
../src/node-capnp/capnp.cc:1351:18: error: \u2018class capnp::Type\u2019 has no member named \u2018whichAnyPointerKind\u2019
         if (type.whichAnyPointerKind() == capnp::schema::Type::AnyPointer::Unconstrained::CAPABILITY) {
                  ^
../src/node-capnp/capnp.cc:1351:76: error: \u2018capnp::schema::Type::AnyPointer::Unconstrained\u2019 has not been declared
         if (type.whichAnyPointerKind() == capnp::schema::Type::AnyPointer::Unconstrained::CAPABILITY) {
                                                                            ^
../src/node-capnp/capnp.cc:1354:68: error: no matching function for call to \u2018capnp::DynamicCapability::Client::Client(capnp::Capability::Client)\u2019
             capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                    ^
../src/node-capnp/capnp.cc:1354:68: note: candidates are:
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:480:10: note: template<class T> capnp::DynamicCapability::Client::Client(capnp::InterfaceSchema, kj::Own<T>&&)
   inline Client(InterfaceSchema schema, kj::Own<T>&& server);
          ^
/usr/include/capnp/dynamic.h:480:10: note:   template argument deduction/substitution failed:
../src/node-capnp/capnp.cc:1354:68: note:   cannot convert \u2018kj::mv<capnp::Capability::Client>((* & cap))\u2019 (type \u2018capnp::Capability::Client\u2019) to type \u2018capnp::InterfaceSchema\u2019
             capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                    ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:476:3: note: capnp::DynamicCapability::Client::Client(capnp::InterfaceSchema, kj::Own<capnp::ClientHook>&&)
   Client(InterfaceSchema schema, kj::Own<ClientHook>&& hook)
   ^
/usr/include/capnp/dynamic.h:476:3: note:   candidate expects 2 arguments, 1 provided
/usr/include/capnp/dynamic.h:455:10: note: template<class T, class> capnp::DynamicCapability::Client::Client(kj::Own<T>&&)
   inline Client(kj::Own<T>&& server);
          ^
/usr/include/capnp/dynamic.h:455:10: note:   template argument deduction/substitution failed:
../src/node-capnp/capnp.cc:1354:68: note:   \u2018capnp::Capability::Client\u2019 is not derived from \u2018kj::Own<T>\u2019
             capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                    ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:452:10: note: template<class T, class> capnp::DynamicCapability::Client::Client(T&&)
   inline Client(T&& client);
          ^
/usr/include/capnp/dynamic.h:452:10: note:   template argument deduction/substitution failed:
In file included from /usr/include/capnp/layout.h:38:0,
                 from /usr/include/capnp/generated-header-support.h:31,
                 from /usr/include/capnp/schema.capnp.h:7,
                 from /usr/include/capnp/schema.h:33,
                 from /usr/include/capnp/dynamic.h:40,
                 from ../src/node-capnp/capnp.cc:31:
/usr/include/capnp/any.h:259:51: error: no type named \u2018Calls\u2019 in \u2018kj::Decay_<capnp::Capability::Client>::Type {aka class capnp::Capability::Client}\u2019
     template <typename T, typename = kj::EnableIf<CAPNP_KIND(FromClient<T>) == Kind::INTERFACE>>
                                                   ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:449:3: note: capnp::DynamicCapability::Client::Client()
   Client() = default;
   ^
/usr/include/capnp/dynamic.h:449:3: note:   candidate expects 0 arguments, 1 provided
/usr/include/capnp/dynamic.h:444:26: note: capnp::DynamicCapability::Client::Client(capnp::DynamicCapability::Client&)
 class DynamicCapability::Client: public Capability::Client {
                          ^
/usr/include/capnp/dynamic.h:444:26: note:   no known conversion for argument 1 from \u2018capnp::Capability::Client\u2019 to \u2018capnp::DynamicCapability::Client&\u2019
/usr/include/capnp/dynamic.h:444:26: note: capnp::DynamicCapability::Client::Client(capnp::DynamicCapability::Client&&)
/usr/include/capnp/dynamic.h:444:26: note:   no known conversion for argument 1 from \u2018capnp::Capability::Client\u2019 to \u2018capnp::DynamicCapability::Client&&\u2019
../src/node-capnp/capnp.cc: In function \u2018v8::Handle<v8::Value> v8capnp::{anonymous}::valueToJs(v8capnp::{anonymous}::CapnpContext&, capnp::DynamicValue::Reader, capnp::Type, v8::Handle<v8::Value>)\u2019:
../src/node-capnp/capnp.cc:1598:16: error: \u2018class capnp::Type\u2019 has no member named \u2018whichAnyPointerKind\u2019
       if (type.whichAnyPointerKind() == capnp::schema::Type::AnyPointer::Unconstrained::CAPABILITY) {
                ^
../src/node-capnp/capnp.cc:1598:74: error: \u2018capnp::schema::Type::AnyPointer::Unconstrained\u2019 has not been declared
       if (type.whichAnyPointerKind() == capnp::schema::Type::AnyPointer::Unconstrained::CAPABILITY) {
                                                                          ^
../src/node-capnp/capnp.cc:1601:64: error: no matching function for call to \u2018capnp::DynamicCapability::Client::Client(capnp::Capability::Client)\u2019
         capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                ^
../src/node-capnp/capnp.cc:1601:64: note: candidates are:
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:480:10: note: template<class T> capnp::DynamicCapability::Client::Client(capnp::InterfaceSchema, kj::Own<T>&&)
   inline Client(InterfaceSchema schema, kj::Own<T>&& server);
          ^
/usr/include/capnp/dynamic.h:480:10: note:   template argument deduction/substitution failed:
../src/node-capnp/capnp.cc:1601:64: note:   cannot convert \u2018kj::mv<capnp::Capability::Client>((* & cap))\u2019 (type \u2018capnp::Capability::Client\u2019) to type \u2018capnp::InterfaceSchema\u2019
         capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:476:3: note: capnp::DynamicCapability::Client::Client(capnp::InterfaceSchema, kj::Own<capnp::ClientHook>&&)
   Client(InterfaceSchema schema, kj::Own<ClientHook>&& hook)
   ^
/usr/include/capnp/dynamic.h:476:3: note:   candidate expects 2 arguments, 1 provided
/usr/include/capnp/dynamic.h:455:10: note: template<class T, class> capnp::DynamicCapability::Client::Client(kj::Own<T>&&)
   inline Client(kj::Own<T>&& server);
          ^
/usr/include/capnp/dynamic.h:455:10: note:   template argument deduction/substitution failed:
../src/node-capnp/capnp.cc:1601:64: note:   \u2018capnp::Capability::Client\u2019 is not derived from \u2018kj::Own<T>\u2019
         capnp::DynamicCapability::Client dynamicCap(kj::mv(cap));
                                                                ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:452:10: note: template<class T, class> capnp::DynamicCapability::Client::Client(T&&)
   inline Client(T&& client);
          ^
/usr/include/capnp/dynamic.h:452:10: note:   template argument deduction/substitution failed:
In file included from /usr/include/capnp/layout.h:38:0,
                 from /usr/include/capnp/generated-header-support.h:31,
                 from /usr/include/capnp/schema.capnp.h:7,
                 from /usr/include/capnp/schema.h:33,
                 from /usr/include/capnp/dynamic.h:40,
                 from ../src/node-capnp/capnp.cc:31:
/usr/include/capnp/any.h:259:51: error: no type named \u2018Calls\u2019 in \u2018kj::Decay_<capnp::Capability::Client>::Type {aka class capnp::Capability::Client}\u2019
     template <typename T, typename = kj::EnableIf<CAPNP_KIND(FromClient<T>) == Kind::INTERFACE>>
                                                   ^
In file included from ../src/node-capnp/capnp.cc:31:0:
/usr/include/capnp/dynamic.h:449:3: note: capnp::DynamicCapability::Client::Client()
   Client() = default;
   ^
/usr/include/capnp/dynamic.h:449:3: note:   candidate expects 0 arguments, 1 provided
/usr/include/capnp/dynamic.h:444:26: note: capnp::DynamicCapability::Client::Client(capnp::DynamicCapability::Client&)
 class DynamicCapability::Client: public Capability::Client {
                          ^
/usr/include/capnp/dynamic.h:444:26: note:   no known conversion for argument 1 from \u2018capnp::Capability::Client\u2019 to \u2018capnp::DynamicCapability::Client&\u2019
/usr/include/capnp/dynamic.h:444:26: note: capnp::DynamicCapability::Client::Client(capnp::DynamicCapability::Client&&)
/usr/include/capnp/dynamic.h:444:26: note:   no known conversion for argument 1 from \u2018capnp::Capability::Client\u2019 to \u2018capnp::DynamicCapability::Client&&\u2019
../src/node-capnp/capnp.cc: In member function \u2018capnp::Capability::Client v8capnp::{anonymous}::RpcConnection::import(kj::StringPtr)\u2019:
../src/node-capnp/capnp.cc:1761:46: warning: \u2018capnp::Capability::Client capnp::RpcSystem<SturdyRefHostId>::restore(typename VatId::Reader, capnp::AnyPointer::Reader) [with VatId = capnp::rpc::twoparty::VatId; typename VatId::Reader = capnp::rpc::twoparty::VatId::Reader]\u2019 is deprecated (declared at /usr/include/capnp/rpc.h:366) [-Wdeprecated-declarations]
     return rpcSystem.restore(hostId, objectId);
                                              ^
../src/node-capnp/capnp.cc: In function \u2018v8::Handle<v8::Value> v8capnp::{anonymous}::fulfillPromisedCap(const v8::Arguments&)\u2019:
../src/node-capnp/capnp.cc:2253:29: warning: unused variable \u2018context\u2019 [-Wunused-variable]
   KJV8_UNWRAP(CapnpContext, context, args.Data());
                             ^
../src/node-capnp/capnp.cc:875:9: note: in definition of macro \u2018KJV8_UNWRAP\u2019
   type& name = KJ_ASSERT_NONNULL(name##_maybe)
         ^
../src/node-capnp/capnp.cc: In function \u2018v8::Handle<v8::Value> v8capnp::{anonymous}::rejectPromisedCap(const v8::Arguments&)\u2019:
../src/node-capnp/capnp.cc:2268:29: warning: unused variable \u2018context\u2019 [-Wunused-variable]
   KJV8_UNWRAP(CapnpContext, context, args.Data());
                             ^
../src/node-capnp/capnp.cc:875:9: note: in definition of macro \u2018KJV8_UNWRAP\u2019
   type& name = KJ_ASSERT_NONNULL(name##_maybe)
         ^
make: *** [Release/obj.target/capnp/src/node-capnp/capnp.o] Error 1
make: Leaving directory `/u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp/build'
gyp ERR! build error 
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/usr/lib/node_modules/node-gyp/lib/build.js:267:23)
gyp ERR! stack     at ChildProcess.emit (events.js:98:17)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:820:12)
gyp ERR! System Linux 2.6.32-573.8.1.el6.x86_64
gyp ERR! command "node" "/usr/bin/node-gyp" "rebuild"
gyp ERR! cwd /u/easwaraa/tmp/capnproto/temp_js_RPC/node-capnp
gyp ERR! node -v v0.10.36
gyp ERR! node-gyp -v v0.10.6
gyp ERR! not ok

easwaraa on 11 Dec 2015

Is it happening because of capnp C libraries?

I would say so.

bnoordhuis on 11 Dec 2015

Any pointers on how to fix this?

[Sorry for bothering you. I spent some time digging this today but couldn't fix it].

easwaraa on 11 Dec 2015

Sorry, no idea. I'd ping the author of the node bindings if I were you. I'll close the issue.

bnoordhuis on 16 Dec 2015

Thanks for all your help.

FTR, I was able to make npm install work for capnp by using the below command.

env CC=/opt/rh/devtoolset-2/root/usr/bin/gcc CXX=/opt/rh/devtoolset-2/root/usr/bin/g++ npm install capnp

I was under the impression that there will be a .js file which our users can use in their code... But not sure if I have got the right one...

~/node_modules/capnp $ ls
CONTRIBUTORS LICENSE README.md bin binding.gyp build build.js package.json src

Thanks for your help once again :).

easwaraa on 16 Dec 2015

Look for the "main" field in package.json, that's the module's entry point. You don't have to include that file explicitly though, require('capnp') should do it for you.

bnoordhuis on 16 Dec 2015

This is what I have in the "main" filed in package.json.

"main": "src/node-capnp/capnp.js",
"peerDependencies": {
"es6-promise": "1.x"
},

Let me try to write some test JS code by using this module and see if it works. Thanks :)

easwaraa on 18 Dec 2015

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