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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 91dae06e..a3935000 100644
--- a/configure.in
+++ b/configure.in
@@ -23,7 +23,7 @@ AC_HEADER_STDC
AC_TYPE_SIZE_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
-AC_CHECK_HEADERS(unistd.h termios.h termio.h sgtty.h stdarg.h)
+AC_CHECK_HEADERS(unistd.h termios.h termio.h sgtty.h stdarg.h alloca.h)
AC_C_CONST dnl getopt needs this.