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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 0300c2b..ca62348 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ AC_CHECK_FUNC([mkstemp],
AC_DEFINE(HAS_MKSTEMP,1,[Define to 1 if you have the `mkstemp' function.]))
# Checks for pkg-config packages
-PKG_CHECK_MODULES(TWM, x11 xt xmu)
+PKG_CHECK_MODULES(TWM, x11 xext xt xmu)
AC_SUBST(TWM_CFLAGS)
AC_SUBST(TWM_LIBS)