[Emacs-diffs] master d48f300 2/2: Allow for adjusting line length of test backtraces

[Glenn Morris]

branch: master
commit d48f30057f50b69e3afff308c56836344c0f55d4
Author: Glenn Morris <address@hidden>
Commit: Glenn Morris <address@hidden>

    Allow for adjusting line length of test backtraces
    
    * test/Makefile.in (TEST_BACKTRACE_LINE_LENGTH): New option.
    (%.log): Respect backtrace line length.
---
 test/Makefile.in | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/test/Makefile.in b/test/Makefile.in
index d4395e6..e32920f 100644
--- a/test/Makefile.in
+++ b/test/Makefile.in
@@ -97,6 +97,16 @@ TEST_LOCALE = C
 # this by default since it gives nicer stacktraces.
 TEST_LOAD_EL ?= yes
 
+# Maximum length of lines in ert backtraces; nil for no limit.
+# (if empty, use the default ert-batch-backtrace-right-margin).
+TEST_BACKTRACE_LINE_LENGTH =
+
+ifeq (${TEST_BACKTRACE_LINE_LENGTH},)
+ert_opts =
+else
+ert_opts = --eval '(setq ert-batch-backtrace-right-margin 
${TEST_BACKTRACE_LINE_LENGTH})'
+endif
+
 ifeq (@HAVE_MODULES@, yes)
 MODULES_EMACSOPT := --module-assertions
 else
@@ -147,7 +157,8 @@ endif
 
 %.log: %.elc
        $(AM_V_at)${MKDIR_P} $(dir $@)
-       $(AM_V_GEN)HOME=/nonexistent $(emacs) -l ert -l $(testloadfile) \
+       $(AM_V_GEN)HOME=/nonexistent $(emacs) \
+         -l ert ${ert_opts} -l $(testloadfile) \
          --eval "(ert-run-tests-batch-and-exit ${SELECTOR_ACTUAL})" 
${WRITE_LOG}
 
 ifeq (@HAVE_MODULES@, yes)