Save the stderr from the dry MSVC make to a well named file for
later review. Use 'msvc-build-makedryerrors.txt' which should be
obvious as to its source, and is not ignored by 'git status'.

Signed-off-by: Philip Oakley <philipoak...@iee.org>
---
 contrib/buildsystems/engine.pl | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
 mode change 100755 => 100644 contrib/buildsystems/engine.pl

diff --git a/contrib/buildsystems/engine.pl b/contrib/buildsystems/engine.pl
old mode 100755
new mode 100644
index e8aa8ea..7eba870
--- a/contrib/buildsystems/engine.pl
+++ b/contrib/buildsystems/engine.pl
@@ -73,7 +73,10 @@ Running GNU Make to figure out build structure...
 EOM
 
 # Pipe a make --dry-run into a variable, if not already loaded from file
-@makedry = `cd $git_dir && make -n MSVC=1 NO_PERL=1 V=1 2>/dev/null` if 
!@makedry;
+# Capture the make dry stderr to file for review (will be empty for a release 
build).
+
+my $ErrsFile = "msvc-build-makedryerrors.txt";
+@makedry = `cd $git_dir && make -n MSVC=1 NO_PERL=1 V=1 2>$ErrsFile` if 
!@makedry;
 
 # Parse the make output into usable info
 parseMakeOutput();
-- 
2.3.1

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