From d50e9c531df310cf91c98f2768892291de781ada Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Fri, 4 Aug 2017 17:05:58 +0200
Subject: o Better error message when Python fails.

---
 cmake/kicad_gerber.cmake | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/cmake/kicad_gerber.cmake b/cmake/kicad_gerber.cmake
index 5391414..8c189c6 100644
--- a/cmake/kicad_gerber.cmake
+++ b/cmake/kicad_gerber.cmake
@@ -51,17 +51,17 @@ function(kicad_gerber)
         COMMAND "${KicadUtilsPyDir}/kicad_gerber.py" --pcb "${pcb_file}" --output-directory "${out_dir}" ${protel} ${uppercase_extensions} ${les} --detect-files-only
         OUTPUT_FILE ${CMAKE_CURRENT_BINARY_DIR}/${target}-gerber-index.txt
         OUTPUT_VARIABLE out
-        ERROR_VARIABLE err
+        ERROR_VARIABLE out
         RESULT_VARIABLE res)
 
-    file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/${target}-gerber-index.txt outputs)
-    list(SORT outputs)
-
     if (NOT res EQUAL 0)
-        message(SEND_ERROR "kicad_gerber.py failed: ${out} ${err}")
+        message(SEND_ERROR "kicad_gerber.py failed. Output ${out}")
         return()
     endif ()
 
+    file(STRINGS ${CMAKE_CURRENT_BINARY_DIR}/${target}-gerber-index.txt outputs)
+    list(SORT outputs)
+
     message("outputs=${outputs}")
     add_custom_command(
         OUTPUT ${outputs}
-- 
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