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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 39863ba..9dce680 100644
--- a/configure.ac
+++ b/configure.ac
@@ -73,7 +73,7 @@ AM_GNU_GETTEXT([external])
# Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS([stdlib.h])
+AC_CHECK_HEADERS([stdlib.h locale.h])
AC_FUNC_STRERROR_R
case "${host_os}" in
solaris*)