From fa927fd379f5d38b75cfc3271f094b3466ef09ac Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Thu, 19 Jan 2017 10:36:07 -0600
Subject: [PATCH] libpkgconf: path: pkgconf_path_relocate(): implement realpath
 backend

---
 libpkgconf/path.c | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/libpkgconf/path.c b/libpkgconf/path.c
index 8523642..e779f75 100644
--- a/libpkgconf/path.c
+++ b/libpkgconf/path.c
@@ -240,7 +240,7 @@ pkgconf_path_free(pkgconf_list_t *dirlist)
 bool
 pkgconf_path_relocate(char *buf, size_t buflen)
 {
-#ifdef HAVE_CYGWIN_CONV_PATH
+#if defined(HAVE_CYGWIN_CONV_PATH)
 	ssize_t size;
 	char *tmpbuf, *ti;
 
@@ -261,6 +261,21 @@ pkgconf_path_relocate(char *buf, size_t buflen)
 		if (*ti == '\\')
 			*ti = '/';
 	}
+#elif defined(HAVE_REALPATH)
+	char *tmpbuf;
+
+	if ((tmpbuf = realpath(buf, NULL)) != NULL)
+	{
+		size_t tmpbuflen = strlen(tmpbuf);
+		if (tmpbuflen > buflen)
+		{
+			free(tmpbuf);
+			return false;
+		}
+
+		pkgconf_strlcpy(buf, tmpbuf, buflen);
+		free(tmpbuf);
+	}
 #else
 	(void) buf;
 	(void) buflen;