anderspitman

Go development environment on Windows with MSYS2

Normally, it is sufficient to grab the Go MSI installer from the website in order to set up the toolchain. However, some packages that provide Go wrappers for C libraries rely on cgo tool, which in turn, needs the GCC toolchain in order to build the glue code. Also, 3rd-party dependencies are usually hosted on services like GitHub, thus Git is also needed. This mini-guide illustrates how to setup a convenient development environment on Windows using MSYS2.

anderspitman

#include <stdio.h>


typedef struct Semaphore {

} Semaphore;

void semaphore_init(Semaphore *sem, int value);
void semaphore_wait(Semaphore *sem);
void semaphore_signal(Semaphore *sem);

anderspitman

typedef struct Mutex {
    int locked;
} Mutex;

typedef struct Semaphore {
    int count;
    Mutex mutex;
} Semaphore;

anderspitman

Printing data for range: 1992-1992
Nodes: 755
Edges: 152

Average degree: 0.201325

Degree Distribution:
0      650
1      74
2      20

anderspitman

Printing data for range: 1963-1963
Nodes: 45679
Edges: 0

Average degree: 0

Degree Distribution:
0      45679

anderspitman

Printing data for range: 1992-1992
Nodes: 97444
Edges: 2096

Average degree: 0.0215098

Degree Distribution:
0      95701
1      1473
2      216

anderspitman

import sys


if __name__ == '__main__':
    filename = sys.argv[1]
    print(filename)

    with open(filename, 'r') as f:
        count = 0
        prev = 0

anderspitman

[0] Running command: allocate CHAR s1 500 "fail" 
Error: insufficient memory to allocate variable

[1] Running command: map 
       MEMORY MAP:
       |  0  1  2  3 |  4  5  6  7 |  8  9  A  B |  C  D  E  F |
----------------------------------------------------------------
0x0000 |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ | 
0x0010 |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ | 

anderspitman

[0] Running command: allocate CHAR s1 500 "fail" 
Error: insufficient memory to allocate variable

[1] Running command: map 
       MEMORY MAP:
       |  0  1  2  3 |  4  5  6  7 |  8  9  A  B |  C  D  E  F |
----------------------------------------------------------------
0x0000 |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ | 
0x0010 |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ |  _  _  _  _ | 

anderspitman

7
13
47
allocate CHAR s1 200 "fail"
allocate CHAR s1 20 " a"
allocate CHAR s2 4 "b "
allocate CHAR s3 5 " c "
allocate CHAR s4 8 " d d "
allocate CHAR s5 4 ""
allocate CHAR s6 16 "           "