blob: cfc895ac1392af0244dfa2b82592d05e4f8e2fa5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#! /bin/sh
set -x
export NIX_DEBUG=1
. $stdenv/setup
#echo starting shell
#/bin/sh < /dev/tty > /dev/tty 2>&1
#exit 1
mkdir $out
mkdir $out/bin
cat > hello.c <<EOF
#include <stdio.h>
int main(int argc, char * * argv)
{
printf("Hello World!\n");
return 0;
}
EOF
#gcc -I/nix/store/foo -I /nix/store/foo -I/usr/lib -I /usr/lib hello.c -o $out/bin/hello
gcc -L /nix/store/abcd/lib -isystem /usr/lib hello.c -o $out/bin/hello
$out/bin/hello
cat > hello2.cc <<EOF
#include <iostream>
int main(int argc, char * * argv)
{
std::cout << "Hello World!\n";
std::cout << VALUE << std::endl;
return 0;
}
EOF
g++ hello2.cc -o $out/bin/hello2 -DVALUE="1 + 2 * 3"
$out/bin/hello2
ld -v
|