Print pointer size; keep trying to disable progress
diff --git a/ci/build b/ci/build
index 5603ef3..5697062 100755
--- a/ci/build
+++ b/ci/build
@@ -18,7 +18,7 @@
 # Choose what to do based on OS and compiler.
 case "${TRAVIS_OS_NAME}_${TRAVIS_COMPILER}" in
   linux_clang)
-    sudo apt install --no-show-progress \
+    sudo apt install -qq \
         "linux-headers-$(uname -r)"
 
     generate_and_build build
@@ -36,8 +36,8 @@
   linux_gcc)
     # Need this `apt update` for the install to succeed. Without it, the
     # Travis worker only has lists for the ${distro}-security repository.
-    sudo apt update
-    sudo apt install --no-show-progress \
+    sudo apt update -qq
+    sudo apt install -qq \
         "linux-headers-$(uname -r)" \
         g++-i686-linux-gnu \
         g++-aarch64-linux-gnu \
diff --git a/demos/platforms.cmake b/demos/platforms.cmake
index df3eea2..a093ec9 100644
--- a/demos/platforms.cmake
+++ b/demos/platforms.cmake
@@ -1,3 +1,4 @@
 message("CMAKE_SYSTEM_NAME = ${CMAKE_SYSTEM_NAME}")
 message("CMAKE_SYSTEM_PROCESSOR = ${CMAKE_SYSTEM_PROCESSOR}")
 message("CMAKE_CXX_COMPILER_ID = ${CMAKE_CXX_COMPILER_ID}")
+message("CMAKE_SIZEOF_VOID_P = ${CMAKE_SIZEOF_VOID_P}")