configure: Fix cross builds (check for TensorFlow header)

AC_CHECK_FILE does not work in cross builds. Such builds aborted. Replace it by AC_CHECK_HEADERS. This fixes cross builds. To enable TensorFlow in cross builds, more work is needed. Signed-off-by: Stefan Weil <[email protected]>
tesseract-ocr · May 26, 2019 · 3c9691f · 3c9691f
1 parent 3b210ec
commit 3c9691f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -203,7 +203,7 @@ AC_ARG_WITH([tensorflow],
 AM_CONDITIONAL([TENSORFLOW], false)
 TENSORFLOW_LIBS=
 AS_IF([test "x$with_tensorflow" != xno],
-  [AC_CHECK_FILE([/usr/include/tensorflow/core/framework/graph.pb.h],
+  [AC_CHECK_HEADERS(["tensorflow/core/framework/graph.pb.h"],
     [AC_SUBST([TENSORFLOW_LIBS], ["-lprotobuf -ltensorflow_cc"])
       AM_CONDITIONAL([TENSORFLOW], true)
     ],