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j1939acd: fix uclibc compile (const char* program_invocation_name) #549

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6 changes: 5 additions & 1 deletion j1939acd.c
Original file line number Diff line number Diff line change
Expand Up @@ -485,12 +485,16 @@ int main(int argc, char *argv[])
s.current_sa = strtoul(optarg, 0, 0);
break;
case 'p':
#ifdef _GNU_SOURCE
#if defined(_GNU_SOURCE) && !defined(__UCLIBC__)
if (asprintf(&program_invocation_name, "%s.%s",
program_invocation_short_name, optarg) < 0)
err(1, "asprintf(program invocation name)");
#else
#if defined(__UCLIBC__)
err(0, "option -p disabled with uclibc");
#else
err(0, "compile with -D_GNU_SOURCE to use -p");
#endif
#endif
break;
default:
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