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Add chibicc

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This program popped up on Hacker News recently. It's the only modern
compiler I've ever seen that doesn't have dependencies and is easily
modified. So I added all of the missing GNU extensions I like to use
which means it might be possible soon to build on non-Linux and have
third party not vendor gcc binaries.
This commit is contained in:
Justine Tunney 2020-12-05 12:20:41 -08:00
parent e44a0cf6f8
commit 8da931a7f6
298 changed files with 19493 additions and 11950 deletions
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9
tool/build/blinkenlights.c
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@ -68,7 +68,7 @@
#include "libc/time/time.h"
#include "libc/unicode/unicode.h"
#include "libc/x/x.h"
#include "third_party/dtoa/dtoa.h"
#include "third_party/gdtoa/gdtoa.h"
#include "third_party/getopt/getopt.h"
#include "tool/build/lib/address.h"
#include "tool/build/lib/breakpoint.h"
@ -277,8 +277,9 @@ static struct sigaction oldsig[4];
static void SetupDraw(void);
static void Redraw(void);
static char *FormatDouble(char *b, double x) {
return g_fmt(b, x);
static char *FormatDouble(char buf[32], long double x) {
g_xfmt_p(buf, &x, 15, 32, 0);
return buf;
}
static int64_t SignExtend(uint64_t x, char b) {
@ -2463,7 +2464,7 @@ static void HandleBreakpointFlag(const char *s) {
PushBreakpoint(&breakpoints, &b);
}
static noreturn void PrintUsage(int rc, FILE *f) {
static wontreturn void PrintUsage(int rc, FILE *f) {
fprintf(f, "SYNOPSIS\n\n %s%s", program_invocation_name, USAGE);
exit(rc);
}