From 90adb4f3146522cf0d3dfe8ac3400eb688515c05 Mon Sep 17 00:00:00 2001
From: Kornel Benko <kornel@lyx.org>
Date: Wed, 12 Oct 2016 14:35:23 +0200
Subject: [PATCH] Cmake export tests: Introduce 'LYX_DEBUG_LATEX' environment
 variable.

Setting this variable to '1' will include also latex messages in
ctest log file LastTest.log.
---
 development/autotests/export.cmake |  9 +++++++--
 lib/doc/Development.lyx            | 17 +++++++++++++----
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/development/autotests/export.cmake b/development/autotests/export.cmake
index 09e7ec75aa..fea5e25fe1 100755
--- a/development/autotests/export.cmake
+++ b/development/autotests/export.cmake
@@ -126,10 +126,15 @@ if (extension MATCHES "\\.lyx$")
     set(LYX_SOURCE ${result_file_name})
   endforeach()
 else()
-  message(STATUS "Executing ${lyx} -userdir \"${LYX_TESTS_USERDIR}\" -E ${format} ${result_file_name} \"${LYX_SOURCE}\"")
+  if ($ENV{LYX_DEBUG_LATEX})
+    set(LatexDebugParam -dbg latex)
+  else()
+    set(LatexDebugParam)
+  endif()
+  message(STATUS "Executing ${lyx} ${LatexDebugParam} -userdir \"${LYX_TESTS_USERDIR}\" -E ${format} ${result_file_name} \"${LYX_SOURCE}\"")
   file(REMOVE ${result_file_name})
   execute_process(
-    COMMAND ${lyx} -userdir "${LYX_TESTS_USERDIR}" -E ${format} ${result_file_name} "${LYX_SOURCE}"
+    COMMAND ${lyx} ${LatexDebugParam} -userdir "${LYX_TESTS_USERDIR}" -E ${format} ${result_file_name} "${LYX_SOURCE}"
     RESULT_VARIABLE _err)
 
   #check if result file created
diff --git a/lib/doc/Development.lyx b/lib/doc/Development.lyx
index 5ce29c4e3e..6deb3d7575 100644
--- a/lib/doc/Development.lyx
+++ b/lib/doc/Development.lyx
@@ -1,5 +1,5 @@
-#LyX 2.2 created this file. For more info see http://www.lyx.org/
-\lyxformat 508
+#LyX 2.3 created this file. For more info see http://www.lyx.org/
+\lyxformat 512
 \begin_document
 \begin_header
 \save_transient_properties true
@@ -25,6 +25,7 @@ logicalmkup
 \font_osf false
 \font_sf_scale 100 100
 \font_tt_scale 100 100
+\use_microtype false
 \graphics default
 \default_output_format pdf2
 \output_sync 1
@@ -3401,9 +3402,17 @@ unreliable:nonstandard
 \begin_inset Quotes erd
 \end_inset
 
- or testing on a system withonly a subset of TeXLive installed), ignore
+ or testing on a system with only a subset of TeXLive installed), ignore
  the failure, ask for someone else to run the test, or install the missing
- ressources and try again.
+ resources and try again.
+\end_layout
+
+\begin_layout Itemize
+Check the log file Testing/Temporary/LastTest.log.
+ In case of latex-errors rerun the failing test with environment variable
+ 'LAX_DEBUG_LATEX' set to '1'.
+ This will include latex messages in LastTest.log, so it should be easier
+ to interpret the fail-reason.
 \end_layout
 
 \begin_layout Paragraph