vpath.c (construct_vpath_list) [HAVE_DOS_PATHS]: Support VPATH values that

use `:' in drive letters, when PATH_SEPARATOR_CHAR is also `:'.

2 files changed, 18 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index a99484f..cc4760e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2007-12-22  Eli Zaretskii  <eliz@gnu.org>
+
+	* vpath.c (construct_vpath_list) [HAVE_DOS_PATHS]: Support VPATH
+	values that use `:' in drive letters, when PATH_SEPARATOR_CHAR is
+	also `:'.
+
 2007-11-04  Paul Smith  <psmith@gnu.org>
 
 	* doc/make.texi: Convert references to "commands", "command
diff --git a/vpath.c b/vpath.c
index c99949e..f5fe1ca 100644
--- a/vpath.c
+++ b/vpath.c
@@ -234,14 +234,24 @@ construct_vpath_list (char *pattern, char *dirpath)
 
       /* Find the end of this entry.  */
       v = p;
-      while (*p != '\0' && *p != PATH_SEPARATOR_CHAR
+      while (*p != '\0'
+#if defined(HAVE_DOS_PATHS) && (PATH_SEPARATOR_CHAR == ':')
+	     /* Platforms whose PATH_SEPARATOR_CHAR is ':' and which
+		also define HAVE_DOS_PATHS would like us to recognize
+		colons after the drive letter in the likes of
+		"D:/foo/bar:C:/xyzzy".  */
+	     && (*p != PATH_SEPARATOR_CHAR
+		 || (p == v + 1 && (p[1] == '/' || p[1] == '\\')))
+#else
+	     && *p != PATH_SEPARATOR_CHAR
+#endif
 	     && !isblank ((unsigned char)*p))
 	++p;
 
       len = p - v;
       /* Make sure there's no trailing slash,
 	 but still allow "/" as a directory.  */
-#if defined(__MSDOS__) || defined(__EMX__)
+#if defined(__MSDOS__) || defined(__EMX__) || defined(HAVE_DOS_PATHS)
       /* We need also to leave alone a trailing slash in "d:/".  */
       if (len > 3 || (len > 1 && v[1] != ':'))
 #endif