diff --git a/buildScripts/travisHomeBrewDoItAll b/buildScripts/travisHomeBrewDoItAll
index 9f70fc1..f039846 100755
--- a/buildScripts/travisHomeBrewDoItAll
+++ b/buildScripts/travisHomeBrewDoItAll
@@ -6,6 +6,30 @@
 # https://docs.travis-ci.com/user/installing-dependencies/#using-homebrew-without-addon-on-older-macos-images
 # For details on obtaining/using the correct ruby version for homebrew.
 
+echo "-------------------------------------------------"
+echo $PATH
+echo $LDFLAGS
+echo $CPPFLAGS
+which clang
+echo "-------------------------------------------------"
 brew tap pdf2htmlEX/homebrew-brewTap
+echo "-------------------------------------------------"
+echo $PATH
+echo $LDFLAGS
+echo $CPPFLAGS
+which clang
+echo "-------------------------------------------------"
 brew update
+echo "-------------------------------------------------"
+echo $PATH
+echo $LDFLAGS
+echo $CPPFLAGS
+which clang
+echo "-------------------------------------------------"
 brew install -v pdf2htmlex-new
+echo "-------------------------------------------------"
+echo $PATH
+echo $LDFLAGS
+echo $CPPFLAGS
+which clang
+echo "-------------------------------------------------"