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-rw-r--r--src/portab/portab.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/portab/portab.h b/src/portab/portab.h
index a75aa34d..90f36a0e 100644
--- a/src/portab/portab.h
+++ b/src/portab/portab.h
@@ -164,6 +164,10 @@ extern char * strtok_r PARAMS((char *str, const char *delim, char **saveptr));
 extern int vsnprintf PARAMS(( char *str, size_t count, const char *fmt, va_list args ));
 #endif
 
+#ifndef HAVE_GAI_STRERROR
+#define gai_strerror(r) "unknown error"
+#endif
+
 #ifndef PACKAGE_NAME
 #define PACKAGE_NAME PACKAGE
 #endif