+ Boolean outOfDate = TRUE; /* FALSE if all targets up to date */
+ struct stat sb, sa;
+ char *p, *path, *pwd, *getenv(), *getwd();
+ char mdpath[MAXPATHLEN + 1];
+ char obpath[MAXPATHLEN + 1];
+ char cdpath[MAXPATHLEN + 1];
+
+ /*
+ * Find where we are and take care of PWD for the automounter...
+ * All this code is so that we know where we are when we start up
+ * on a different machine with pmake.
+ */
+ curdir = cdpath;
+ if (getwd(curdir) == NULL) {
+ (void)fprintf(stderr, "make: %s.\n", curdir);
+ exit(2);
+ }
+
+ if (stat(curdir, &sa) == -1) {
+ (void)fprintf(stderr, "make: %s: %s.\n",
+ curdir, strerror(errno));
+ exit(2);
+ }
+
+ if ((pwd = getenv("PWD")) != NULL) {
+ if (stat(pwd, &sb) == 0 && sa.st_ino == sb.st_ino &&
+ sa.st_dev == sb.st_dev)
+ (void) strcpy(curdir, pwd);
+ }
+
+
+ /*
+ * if the MAKEOBJDIR (or by default, the _PATH_OBJDIR) directory
+ * exists, change into it and build there. Once things are
+ * initted, have to add the original directory to the search path,
+ * and modify the paths for the Makefiles apropriately. The
+ * current directory is also placed as a variable for make scripts.
+ */
+ if (!(path = getenv("MAKEOBJDIR"))) {
+ path = _PATH_OBJDIR;
+ (void) sprintf(mdpath, "%s.%s", path, MACHINE);
+ }
+ else
+ (void) strncpy(mdpath, path, MAXPATHLEN + 1);
+
+ if (stat(mdpath, &sb) == 0 && S_ISDIR(sb.st_mode)) {
+
+ if (chdir(mdpath)) {
+ (void)fprintf(stderr, "make warning: %s: %s.\n",
+ mdpath, strerror(errno));
+ objdir = curdir;
+ }
+ else {
+ if (mdpath[0] != '/') {
+ (void) sprintf(obpath, "%s/%s", curdir, mdpath);
+ objdir = obpath;
+ }
+ else
+ objdir = mdpath;
+ }
+ }
+ else {
+ if (stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
+
+ if (chdir(path)) {
+ (void)fprintf(stderr, "make warning: %s: %s.\n",
+ path, strerror(errno));
+ objdir = curdir;
+ }
+ else {
+ if (path[0] != '/') {
+ (void) sprintf(obpath, "%s/%s", curdir,
+ path);
+ objdir = obpath;
+ }
+ else
+ objdir = obpath;
+ }
+ }
+ else
+ objdir = curdir;
+ }
+
+ setenv("PWD", objdir, 1);
projects / unix-history / blobdiff