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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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16
libc/calls/getprogramexecutablename.greg.c
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@ -34,6 +34,10 @@
char program_executable_name[PATH_MAX];
static inline int IsAlpha(int c) {
return ('A' <= c && c <= 'Z') || ('a' <= c && c <= 'z');
}
static inline char *StrCat(char buf[PATH_MAX], const char *a, const char *b) {
char *p, *e;
p = buf;
@ -56,16 +60,16 @@ static inline void GetProgramExecutableNameImpl(char *p, char *e) {
if (IsWindows()) {
n = GetModuleFileName(0, u.path16, ARRAYLEN(u.path16));
for (i = 0; i < n; ++i) {
// turn c:\foo\bar into c:/foo/bar
if (u.path16[i] == '\\') {
u.path16[i] = '/';
}
}
if (isalpha(u.path16[0]) && u.path16[1] == ':' && u.path16[2] == '/') {
p[0] = '/';
p[1] = '/';
p[2] = '?';
p[3] = '/';
p += 4;
if (IsAlpha(u.path16[0]) && u.path16[1] == ':' && u.path16[2] == '/') {
// turn c:/... into /c/...
u.path16[1] = u.path16[0];
u.path16[0] = '/';
u.path16[2] = '/';
}
tprecode16to8(p, e - p, u.path16);
return;