Hi guys,
I'm trying to test Protocol Buffers with go, so after a few readings I realized I needed to install gccgo I started from the README of this repo: https://github.com/golang/protobuf 1st bullet point: checked! The last version os the protocol buffer is installed on my Mac ( protobuf-cpp-3.11.4.tar.gz from my understanding) https://github.com/protocolbuffers/protobuf/releases/tag/v3.11.4 $ ls $GOBIN dlv* gocode* godef* gopkgs* protoc-gen-go* go-outline* gocode-gomod* golint* goreturns* 2nd bullet point: Here I've spent a couple of hours ... without success :/ Of course, install the Go compiler and tools from https://golang.org/ See https://golang.org/doc/install for details or, if you are using gccgo, follow the instructions at https://golang.org/doc/install/gccgo My understanding is that I need to install gccgo which is a branch of the gcc compiler. Then I've read that gccgo is just in fact a custom build of the gcc compiler configured with the --enable-languages=c,c++,go option ( src https://golang.org/doc/install/gccgo ) ... so why is there a special branch on the repos and where it is? (https://gcc.gnu.org/git.html) I I just give up to try to download the gccgo branch from the git repository and find a svn repo: $ svn checkout svn://gcc.gnu.org/svn/gcc/branches/gccgo gccgo` gccgo$ ./configure --enable-languages=c,c++,go... configure: error: Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify their locations. Source code for these libraries can be found at their respective hosting sites as well as at<https://gcc.gnu.org/pub/gcc/infrastructure/>. See also<http://gcc.gnu.org/install/prerequisites.html> for additional info. If you obtained GMP, MPFR and/or MPC from a vendor distribution package, make sure that you have installed both the libraries and the header files. They may be located in separate packages. So, I downloaded gmp-6.2.0.tar.lz from https://gmplib.org/ which leads me to install lzipbefore untaring the archive $ brew install lzip $ lunzip gmp-6.2.0.tar.lz $ tar - xvzf gmp-6.2.0.tar $ cd gmp-6.2.0 gmp-6.2.0$ ./configure gmp-6.2.0$ make gmp-6.2.0$ make install gmp-6.2.0$ make check ( a few warnings but every test have been passed successfully ) Then, installed mpfr-3.1.6.tar.gz $ tar -xvzf mpfr-3.1.6.tar.gz $ cd mpfr-3.1.6 mpfr-3.1.6$ ./configure mpfr-3.1.6$ ./make mpfr-3.1.6$ ./make install ... and try again gccgo$ ./configure --enable-languages=c,c++,go...The following requested languages could not be built: goSupported languages are: c,brig,c,c++,d,fortran,lto,objc,obj-c++ Lastly I'm not sure about the directory they are talking about in the last step... Build the Go samples in this directory with "make go". This creates the following executable files in the current directory: add_person_go list_people_go make works with gcc to introduces a separate file of "rules", that describes how to go from source code to finished program, interprets this file, figures out what needs to be compiled, and calls gcc. ( source https://stackoverflow.com/a/768379/1216281 ). So, if gcc it not compiled properly, it can't work. protocolbuffer$ ls add_person.go add_person_test.go addressbook.proto list_people_test.go add_person.go.txt addressbook.pb.go list_people.go protocolbuffer$ make go make: *** No rule to make target `go'. Stop. Extra tech. info if needed : ~$ echo $GOPATH/Users/me/Dev/Go/golib:/Users/me/Dev/Go/code $GOBIN is /Users/me/Dev/Go/golib/bin $ echo $GOBIN/Users/me/Dev/Go/golib/bin -- You received this message because you are subscribed to the Google Groups "Protocol Buffers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/protobuf/683579fd-45af-4016-b583-a31ed1b1ab5b%40googlegroups.com.
