Compile

Commands

query recommended compile flags for an application (from /usr/lib/pkgconfig/*.pc)
```
pkg-config --cflags "gdk-2.0"
```
generate a pure assembly file with GCC
```
gcc -S -c -o test.s test.c
```
generate an assembly file with C source code mixed
```
gcc -c -Wa,-a,-ad test.c > test.lst
```
- -Wa instructs the GCC to pass the following options to AS
- -a is a short form of -ahls which instructs the assembler to include assembly (-al), include high-level source (-ah) and to include symbols (-as)
- -ad omits any debugging directives from listing

show all pre-defined GCC preprocessor macros
```
cpp -dM /dev/null
```
show defined preprocessor macros (cf. GCC Online Documentation)
```
gcc -E -dM <file> 
```