From: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Date: Wed, 8 Feb 2012 22:29:52 +0000 (-0200)
Subject: Check if libc has __xstat
X-Git-Tag: v6~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d005aeb7529ab690c7b7119f0ef545e2c07a1cea;p=thirdparty%2Fkmod.git

Check if libc has __xstat

uClibc doesn't use __xstat. Check if it exists, otherwise don't export
the override function.
---

diff --git a/configure.ac b/configure.ac
index f4bfe788..ce823d3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -30,6 +30,8 @@ AC_PROG_MKDIR_P
 AC_PATH_PROG([XSLTPROC], [xsltproc])
 PKG_PROG_PKG_CONFIG
 
+AC_CHECK_FUNCS_ONCE(__xstat)
+
 AC_ARG_WITH([rootprefix],
         AS_HELP_STRING([--with-rootprefix=DIR], [rootfs directory prefix for config files and kernel modules]),
         [], [with_rootprefix=""])
diff --git a/testsuite/path.c b/testsuite/path.c
index 75dbf7c0..86025dce 100644
--- a/testsuite/path.c
+++ b/testsuite/path.c
@@ -157,6 +157,7 @@ TS_EXPORT int stat(const char *path, struct stat *st)
 	return _stat(p, st);
 }
 
+#ifdef HAVE___XSTAT
 TS_EXPORT int __xstat(int ver, const char *path, struct stat *st)
 {
 	const char *p;
@@ -175,6 +176,7 @@ TS_EXPORT int __xstat(int ver, const char *path, struct stat *st)
 
 	return _xstat(ver, p, st);
 }
+#endif
 
 TS_EXPORT int access(const char *path, int mode)
 {