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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 78e4049..62c488e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -35,7 +35,7 @@ XORG_MACROS_VERSION(1.1)
AC_PROG_CC
AC_PROG_INSTALL
-AC_CHECK_HEADERS_ONCE([wchar.h wctype.h])
+AC_CHECK_HEADERS([wchar.h wctype.h])
# Checks for pkg-config packages
PKG_CHECK_MODULES(XPROP, x11)