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Top Forums UNIX for Advanced & Expert Users Gcc g++ on cygwin - configure: error: *** A compiler with support for C++11 language features is req Post 303036512 by jim mcnamara on Sunday 30th of June 2019 08:50:18 PM
Old 06-30-2019
Let's check your compiler:
Can you compile a hello world program?
Use this example code:

Code:
    #include <iostream>
    using namespace std;
    int main()
    {
       cout << "Hello, World!";
       return 0;
    }

Save the file as hello.cpp
Compile and run with
Code:
g++ -o hello hello.cpp
./hello

Do you get any errors on either step?

If no errors, then compiler is okay. g++ and gcc behave differently with source files with a file extension of .c
g++ tries to compile .c files as as C++, not C. C syntax causes errors. Obviously because it is different from C++.

Try this as a compile:
Code:
g++ -std=c++0x -o hello hello.cpp

If this works we have to look elsewhere for what is happening. C11 is not normally turned on by default AFAIK. The successful second command turns it on and if it works the problem is likely NOT your compiler.

Last edited by jim mcnamara; 06-30-2019 at 10:03 PM..
These 2 Users Gave Thanks to jim mcnamara For This Post:
 

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g-wrap-config(1)					      General Commands Manual						  g-wrap-config(1)

NAME
g-wrap-config - script to get information about the installed version of G-Wrap SYNOPSIS
g-wrap-config [ --version ] [ --c-compile-args LANG | --c-link-args LANG | --guile-module-directory ] DESCRIPTION
g-wrap-config is a tool that is used to configure and determine the compiler and linker flags that should be used to compile and link progams, libraries, and plugins that use G-Wrap. However, since G-Wrap 1.9, this tool has been deprecated in favor of pkg-config(1). New code should use the g-wrap-2.0-guile pkg-config module, g-wrap-config only exists for compatibility reasons. OPTIONS
--c-compile-args LANG Print the compiler flags that are necessary to compile a program or library that uses the G-Wrap language binding for LANG. --c-link-args LANG Print the linker flags that are necessary to link a program that uses the G-Wrap language binding for LANG. --version Prints the currently installed version of G-Wrap on standard output. EXAMPLES
gcc -o main.o $(g-wrap-config --c-compile-args guile) main.c is how you might use g-wrap-config to compile a C source file for an executable program. gcc -o my_app $(g-wrap-config --c-link-args guile) main.o util.o is how you might use g-wrap-config to link compiled objects into an executable program. AUTHOR
G-Wrap has been written by Andreas Rottmann, Rob Browning and Christopher Lee. This manual page was written by Andreas Rottmann, originally for the Debian Project. G-Wrap 1.9 2005-05-01 g-wrap-config(1)
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