Configurator is a small library that helps writing OCaml scripts that test features available on the system, in order to generate config.h files for instance.
Configurator allows one to:
- test if a C program compiles
- query pkg-config
- import #define from OCaml header files
- generate config.h file
For instance:
open Base
module C = Configurator
let clock_gettime_code = {|
#include <time.h>
int main()
{
struct timespec ts;
clock_gettime(CLOCK_REALTIME, &ts);
return 0;
}
|}
let () =
C.main ~name:"foo" (fun c ->
let has_clock_gettime = C.c_test c clock_gettime_code ~link_flags:["-lrt"] in
C.C_define.gen_header_file c ~fname:"config.h"
[ "HAS_CLOCK_GETTIME", Switch has_clock_gettime ]);
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