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-rw-r--r--configure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 7f585d685..e2d34cade 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1135,7 +1135,8 @@ AC_CHECK_FUNCS(strftime strptime mktime timelocal \
 	       erand48 open_memstream \
 	       wctomb iconv \
 	       grantpt unlockpt ptsname \
-	       htons ntohs)
+	       htons ntohs \
+	       regcomp regexec regerror regfree)
 AC_FUNC_STRCOLL
 
 if test x$enable_cap = xyes; then