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Make build hermetic without shell scripts

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- Fix some minor issues in ar.com
- Have execve() look for `ape` command
- Rewrite NT paths using /c/ rather /??/c:/
- Replace broken GCC symlinks with .sym files
- Rewrite $PATH environment variables on startup
- Make $(APE_NO_MODIFY_SELF) the default bootloader
- Add all build command dependencies to build/bootstrap
- Get the repository mostly building from source on non-Linux
This commit is contained in:
Justine Tunney 2022-05-25 11:31:08 -07:00
parent d44ff6ce1f
commit d230a01222
160 changed files with 2754 additions and 1342 deletions
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33
libc/runtime/finddebugbinary.c
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@ -35,23 +35,24 @@ const char *FindDebugBinary(void) {
char *p;
size_t n;
if (!once) {
if (!(res = getenv("COMDBG"))) {
p = GetProgramExecutableName();
n = strlen(p);
if (n > 4 && READ32LE(p + n - 4) == READ32LE(".dbg")) {
res = p;
} else if (n > 4 && READ32LE(p + n - 4) == READ32LE(".com") &&
n + 4 < ARRAYLEN(buf)) {
mempcpy(mempcpy(buf, p, n), ".dbg", 5);
if (fileexists(buf)) {
res = buf;
}
} else if (n + 8 < ARRAYLEN(buf)) {
mempcpy(mempcpy(buf, p, n), ".com.dbg", 9);
if (fileexists(buf)) {
res = buf;
}
p = GetProgramExecutableName();
n = strlen(p);
if (n > 4 && READ32LE(p + n - 4) == READ32LE(".dbg")) {
res = p;
} else if (n > 4 && READ32LE(p + n - 4) == READ32LE(".com") &&
n + 4 < ARRAYLEN(buf)) {
mempcpy(mempcpy(buf, p, n), ".dbg", 5);
if (fileexists(buf)) {
res = buf;
}
} else if (n + 8 < ARRAYLEN(buf)) {
mempcpy(mempcpy(buf, p, n), ".com.dbg", 9);
if (fileexists(buf)) {
res = buf;
}
}
if (!res) {
res = getenv("COMDBG");
}
once = true;
}