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-rw-r--r--src/configure.ac2
-rw-r--r--src/zexyconf.h.in3
2 files changed, 4 insertions, 1 deletions
diff --git a/src/configure.ac b/src/configure.ac
index 586c0b2..2e298a2 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -91,7 +91,7 @@ AC_CHECK_LIB(pd, nullfn)
dnl Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS(stdlib.h stdio.h string.h math.h time.h sys/time.h regex.h)
+AC_CHECK_HEADERS(stdlib.h stdio.h string.h math.h time.h sys/time.h regex.h alloca.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_TIME
diff --git a/src/zexyconf.h.in b/src/zexyconf.h.in
index 3b54b63..1b6698a 100644
--- a/src/zexyconf.h.in
+++ b/src/zexyconf.h.in
@@ -2,6 +2,9 @@
/* Define if you have the <regex.h> header file. */
#undef HAVE_REGEX_H
+/* Define if you have the <alloca.h> header file. */
+#undef HAVE_ALLOCA_H
+
/* define if you want parallelport-support (direct access to the port address) */
#undef Z_WANT_LPT