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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
Download patch file Download diff file Expand all files Collapse all files

17
tool/build/mkdeps.c
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@ -28,6 +28,7 @@
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/intrin/kprintf.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/macros.internal.h"
@ -225,7 +226,7 @@ wontreturn void OnMissingFile(const char *list, const char *src) {
* automatically restart itself.
*/
if (list) {
fprintf(stderr, "%s %s...\n", "Refreshing", list);
kprintf("%s %s...\n", "Refreshing", list);
unlink(list);
}
exit(1);
@ -249,7 +250,9 @@ void LoadRelationships(int argc, char *argv[]) {
while ((src = getargs_next(&ga))) {
if (ShouldSkipSource(src)) continue;
srcid = GetSourceId(src, strlen(src));
if ((fd = open(src, O_RDONLY)) == -1) OnMissingFile(ga.path, src);
if ((fd = open(src, O_RDONLY)) == -1) {
OnMissingFile(ga.path, src);
}
CHECK_NE(-1, (rc = read(fd, buf, MAX_READ)));
close(fd);
size = rc;
@ -282,13 +285,13 @@ void GetOpts(int argc, char *argv[]) {
buildroot = optarg;
break;
default:
fprintf(stderr, "%s: %s [-r %s] [-o %s] [%s...]\n", "Usage", argv[0],
kprintf("%s: %s [-r %s] [-o %s] [%s...]\n", "Usage", argv[0],
"BUILDROOT", "OUTPUT", "PATHSFILE");
exit(1);
}
}
if (isempty(out)) fprintf(stderr, "need -o FILE"), exit(1);
if (isempty(buildroot)) fprintf(stderr, "need -r o/$(MODE)"), exit(1);
if (isempty(out)) kprintf("need -o FILE"), exit(1);
if (isempty(buildroot)) kprintf("need -r o/$(MODE)"), exit(1);
}
const char *StripExt(const char *s) {
@ -352,7 +355,7 @@ bool HasSameContent(void) {
s = GetFileSizeOrZero(out);
if (s == appendz(bout).i) {
if (s) {
CHECK_NE(-1, (fd = open(out, O_RDONLY)));
CHECK_NE(-1, (fd = open(out, O_RDONLY)), "open(%#s)", out);
CHECK_NE(MAP_FAILED, (m = mmap(0, s, PROT_READ, MAP_SHARED, fd, 0)));
r = !bcmp(bout, m, s);
munmap(m, s);
@ -394,7 +397,7 @@ int main(int argc, char *argv[]) {
appendw(&bout, '\n');
}
/* if (!fileexists(out) || !HasSameContent()) { */
CHECK_NE(-1, (fd = open(out, O_CREAT | O_WRONLY, 0644)));
CHECK_NE(-1, (fd = open(out, O_CREAT | O_WRONLY, 0644)), "open(%#s)", out);
CHECK_NE(-1, ftruncate(fd, appendz(bout).i));
CHECK_NE(-1, xwrite(fd, bout, appendz(bout).i));
CHECK_NE(-1, close(fd));