diff options
| author | Juli Mallett <jmallett@FreeBSD.org> | 2002-10-03 04:32:47 +0000 |
|---|---|---|
| committer | Juli Mallett <jmallett@FreeBSD.org> | 2002-10-03 04:32:47 +0000 |
| commit | 80ce40f3944b613854d90687a8b426a6693ac173 (patch) | |
| tree | 699248aab8226c738e764858c07dd30ddab43f23 /usr.bin | |
| parent | a723033a4dda06e0688f81202a984da4bbec0f40 (diff) | |
Notes
Diffstat (limited to 'usr.bin')
| -rw-r--r-- | usr.bin/make/main.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/usr.bin/make/main.c b/usr.bin/make/main.c index 846c8ca64aeb2..3002ef091aa89 100644 --- a/usr.bin/make/main.c +++ b/usr.bin/make/main.c @@ -102,6 +102,8 @@ __FBSDID("$FreeBSD$"); #include "job.h" #include "pathnames.h" +#define WANT_ENV_MKLVL 1 + #ifndef DEFMAXLOCAL #define DEFMAXLOCAL DEFMAXJOBS #endif /* DEFMAXLOCAL */ @@ -454,6 +456,12 @@ main(argc, argv) Boolean outOfDate = TRUE; /* FALSE if all targets up to date */ struct stat sa; char *p, *p1, *path, *pathp; +#ifdef WANT_ENV_MKLVL +#define MKLVL_MAXVAL 500 +#define MKLVL_ENVVAR "__MKLVL__" + int iMkLvl = 0; + char *szMkLvl = getenv(MKLVL_ENVVAR); +#endif /* WANT_ENV_MKLVL */ char mdpath[MAXPATHLEN]; char obpath[MAXPATHLEN]; char cdpath[MAXPATHLEN]; @@ -465,6 +473,19 @@ main(argc, argv) /* avoid faults on read-only strings */ static char syspath[] = _PATH_DEFSYSPATH; +#ifdef WANT_ENV_MKLVL + if ((iMkLvl = szMkLvl ? atoi(szMkLvl) : 0) < 0) { + iMkLvl = 0; + } + if (iMkLvl++ > MKLVL_MAXVAL) { + errc(2, EAGAIN, + "Max recursion level (%d) exceeded.", MKLVL_MAXVAL); + } + bzero(szMkLvl = emalloc(32), 32); + sprintf(szMkLvl, "%d", iMkLvl); + setenv(MKLVL_ENVVAR, szMkLvl, 1); +#endif /* WANT_ENV_MKLVL */ + #if DEFSHELL == 2 /* * Turn off ENV to make ksh happier. |