diff options
Diffstat (limited to 'vpath.c')
| -rw-r--r-- | vpath.c | 43 |
1 files changed, 27 insertions, 16 deletions
@@ -1,5 +1,5 @@ /* Implementation of pattern-matching file search paths for GNU Make. -Copyright (C) 1988, 89, 91, 92, 93, 94, 95, 96 Free Software Foundation, Inc. +Copyright (C) 1988,89,91,92,93,94,95,96,97 Free Software Foundation, Inc. This file is part of GNU Make. GNU Make is free software; you can redistribute it and/or modify @@ -145,14 +145,15 @@ build_vpath_lists () variable. If SEARCHPATH is nil, remove all previous listings with the same - pattern. If PATTERN is nil, remove all VPATH listings. - Existing and readable directories that are not "." given in the - searchpath separated by colons are loaded into the directory hash - table if they are not there already and put in the VPATH searchpath - for the given pattern with trailing slashes stripped off if present - (and if the directory is not the root, "/"). - The length of the longest entry in the list is put in the structure as well. - The new entry will be at the head of the VPATHS chain. */ + pattern. If PATTERN is nil, remove all VPATH listings. Existing + and readable directories that are not "." given in the searchpath + separated by the path element separator (defined in make.h) are + loaded into the directory hash table if they are not there already + and put in the VPATH searchpath for the given pattern with trailing + slashes stripped off if present (and if the directory is not the + root, "/"). The length of the longest entry in the list is put in + the structure as well. The new entry will be at the head of the + VPATHS chain. */ void construct_vpath_list (pattern, dirpath) @@ -213,10 +214,10 @@ construct_vpath_list (pattern, dirpath) convert_vpath_to_windows32(dirpath, ';'); #endif - /* Figure out the maximum number of VPATH entries and - put it in MAXELEM. We start with 2, one before the - first colon and one nil, the list terminator and - increment our estimated number for each colon or blank we find. */ + /* Figure out the maximum number of VPATH entries and put it in + MAXELEM. We start with 2, one before the first separator and one + nil (the list terminator) and increment our estimated number for + each separator or blank we find. */ maxelem = 2; p = dirpath; while (*p != '\0') @@ -226,7 +227,7 @@ construct_vpath_list (pattern, dirpath) vpath = (char **) xmalloc (maxelem * sizeof (char *)); maxvpath = 0; - /* Skip over any initial colons and blanks. */ + /* Skip over any initial separators and blanks. */ p = dirpath; while (*p == PATH_SEPARATOR_CHAR || isblank (*p)) ++p; @@ -271,7 +272,7 @@ construct_vpath_list (pattern, dirpath) free (v); } - /* Skip over colons and blanks between entries. */ + /* Skip over separators and blanks between entries. */ while (*p == PATH_SEPARATOR_CHAR || isblank (*p)) ++p; } @@ -435,7 +436,9 @@ selective_vpath_search (path, file, mtime_ptr) /* Add the directory prefix already in *FILE. */ if (name_dplen > 0) { +#ifndef VMS *n++ = '/'; +#endif bcopy (*file, n, name_dplen); n += name_dplen; } @@ -446,12 +449,14 @@ selective_vpath_search (path, file, mtime_ptr) n[-1] = '/'; #endif /* Now add the name-within-directory at the end of NAME. */ +#ifndef VMS if (n != name && n[-1] != '/') { *n = '/'; bcopy (filename, n + 1, flen + 1); } else +#endif bcopy (filename, n, flen + 1); /* Check if the file is mentioned in a makefile. If *FILE is not @@ -464,7 +469,7 @@ selective_vpath_search (path, file, mtime_ptr) inadequately commented change in July 1990; I am not sure off hand what problem it fixes. - In December 1993 I loosened of this restriction to allow a file + In December 1993 I loosened this restriction to allow a file to be chosen if it is mentioned as a target in a makefile. This seem logical. */ { @@ -478,6 +483,9 @@ selective_vpath_search (path, file, mtime_ptr) /* That file wasn't mentioned in the makefile. See if it actually exists. */ +#ifdef VMS + exists_in_cache = exists = dir_file_exists_p (vpath[i], filename); +#else /* Clobber a null into the name at the last slash. Now NAME is the name of the directory to look in. */ *n = '\0'; @@ -486,6 +494,7 @@ selective_vpath_search (path, file, mtime_ptr) construct_vpath_list or the code just above put it there. Does the file we seek exist in it? */ exists_in_cache = exists = dir_file_exists_p (name, filename); +#endif } if (exists) @@ -498,8 +507,10 @@ selective_vpath_search (path, file, mtime_ptr) struct stat st; +#ifndef VMS /* Put the slash back in NAME. */ *n = '/'; +#endif if (!exists_in_cache /* Makefile-mentioned file need not exist. */ || stat (name, &st) == 0) /* Does it really exist? */ |