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#! /bin/sh
export NIX_DEBUG=1
. $stdenv/setup
export NIX_CFLAGS_COMPILE="-v $NIX_CFLAGS_COMPILE"
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 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
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