Make improvements

- Invent openatemp() API
- Invent O_UNLINK open flag
- Introduce getenv_secure() API
- Remove `git pull` from cosmocc
- Fix utimes() when path is NULL
- Fix mktemp() to never return NULL
- Fix utimensat() UTIME_OMIT on XNU
- Improve utimensat() code for RHEL5
- Turn `argv[0]` C:/ to /C/ on Windows
- Introduce tmpnam() and tmpnam_r() APIs
- Fix more const issues with internal APIs
- Permit utimes() on WIN32 in O_RDONLY mode
- Fix fdopendir() to check fd is a directory
- Fix recent crash regression in landlock make
- Fix futimens(AT_FDCWD, NULL) to return EBADF
- Use workaround so `make -j` doesn't fork bomb
- Rename dontdiscard to __wur (just like glibc)
- Fix st_size for WIN32 symlinks containing UTF-8
- Introduce stdio ext APIs needed by GNU coreutils
- Fix lstat() on WIN32 for symlinks to directories
- Move some constants from normalize.inc to limits.h
- Fix segv with memchr() and memcmp() overlapping page
- Implement POSIX fflush() behavior for reader streams
- Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32
- Don't change read-only status of existing files on WIN32
- Correctly handle `0x[^[:xdigit:]]` case in strtol() functions

third_party/make/job.c

@@ -1935,7 +1935,7 @@ child_execute_job (struct childbase *child,
       ps = emptytonull (get_target_variable
                         (STRING_SIZE_TUPLE (".PLEDGE"),
                          c ? c->file : 0, 0));
-      promises = ps ? xstrdup (promises) : 0;
+      promises = ps ? xstrdup (ps) : 0;
       if (ParsePromises (promises, &ipromises))
         {
           OSS (error, NILF, "%s: invalid .PLEDGE string: %s",

third_party/make/main.c

@@ -979,6 +979,10 @@ main (int argc, char **argv, char **envp)
   unsigned int syncing = 0;
   int argv_slots;
 
+  // [jart] workaround to prevent make -j fork bomb
+  default_load_average = __get_cpu_count();
+  max_load_average = default_load_average;
+
   /* Useful for attaching debuggers, etc.  */
   SPIN ("main-entry");
 

third_party/make/makeint.inc

@@ -35,7 +35,7 @@ this program.  If not, see <http://www.gnu.org/licenses/>.  */
 #include "libc/mem/mem.h"
 #include "libc/runtime/stack.h"
 #include "libc/stdio/stdio.h"
-#include "libc/stdio/temp.h"
+#include "libc/temp.h"
 #include "libc/str/locale.h"
 #include "libc/str/str.h"
 #include "libc/sysv/consts/f.h"