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 f4bfe78..ce823d3 100644 (file)
--- 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 75dbf7c..86025dc 100644 (file)
--- 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)
 {