1 files changed, 33 insertions, 0 deletions
diff --git a/src/sysdeps/trydladdr.c b/src/sysdeps/trydladdr.c
new file mode 100644
index 0000000..3240785
--- /dev/null
+++ b/src/sysdeps/trydladdr.c
@@ -0,0 +1,33 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef __EXTENSIONS__
+#define __EXTENSIONS__
+#endif
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+#ifndef _BSD_SOURCE
+#define _BSD_SOURCE
+#endif
+#ifndef _DEFAULT_SOURCE
+#define _DEFAULT_SOURCE
+#endif
+#ifndef _NETBSD_SOURCE
+#define _NETBSD_SOURCE
+#endif
+#ifndef _INCOMPLETE_XOPEN_C063
+#define _INCOMPLETE_XOPEN_C063
+#endif
+
+#include <dlfcn.h>
+
+int main (void)
+{
+  Dl_info info ;
+  if (!dladdr(&main, &info)) return 1 ;
+  if (!info.dli_fname) return 1 ;
+  return 0 ;
+}