Run builds on the new Xenial environment

* roboticslab-uc3m/questions-and-answers#73
* PointCloudLibrary/pcl#2406
* https://stackoverflow.com/a/40034779

.travis.yml

@@ -1,5 +1,5 @@
 language: cpp
-dist: trusty
+dist: xenial
 os: linux
 
 compiler:
@@ -32,6 +32,8 @@ addons:
   apt:
     packages:
     - libopencv-dev
+    - libpcl-dev
+    - libproj-dev # needed by libpcl-dev on Xenial (known bug)
 
     # ECF
     - libboost-dev
@@ -92,6 +94,7 @@ install:
     --repo-checkout master
     --additional-cmake-options "-DOPT_VIDEORECORDING:BOOL=OFF"
     --prepend-to-linker-path lib
+    --cmake-env 'CFLAGS="-w" CXXFLAGS="-w"'
 
   #-- Install KDL
   - >

programs/depthToMesh/CMakeLists.txt

@@ -10,6 +10,10 @@ project(${KEYWORD})
 #find_package(YARP REQUIRED)
 find_package(PCL 1.2 REQUIRED)
 
+# Xenial + PCL 1.7 bug
+# https://github.com/PointCloudLibrary/pcl/issues/2406
+list(REMOVE_ITEM PCL_LIBRARIES "vtkproj4")
+
 # Search for source code.
 file(GLOB folder_source *.cpp *.cc *.c)
 file(GLOB folder_header *.h)
@@ -23,7 +27,6 @@ foreach(header_file ${folder_header})
 endforeach(header_file ${folder_header})
 
 #include_directories(${YARP_INCLUDE_DIRS})
-find_package(PCL 1.2 REQUIRED)
 include_directories(${PCL_INCLUDE_DIRS})
 
 link_directories(${PCL_LIBRARY_DIRS})

scripts/travis/git-cache-dependency.sh

@@ -12,6 +12,7 @@ additional_cmake_options=
 prepend_to_linker_path=
 prepend_to_standard_path=
 additional_export_paths=
+cmake_env=
 
 #-- Available getopt long option names
 #-- https://gist.github.com/magnetikonline/22c1eb412daa350eeceee76c97519da8
@@ -25,6 +26,7 @@ ARGUMENT_LIST=(
     "prepend-to-linker-path"
     "prepend-to-standard-path"
     "additional-export-paths"
+    "cmake-env"
 )
 
 #-- Read arguments
@@ -91,7 +93,7 @@ if $is_clone_only_branch; then
     then
         echo "$package_name not in cache or not the latest commit of $repo_checkout branch"
         rm -rf "$repo_cache_dir"/*
-        cmake -H"$cmake_home_dir" -B"$repo_build_dir" $repo_cmake_options
+        eval $cmake_env cmake -H"$cmake_home_dir" -B"$repo_build_dir" $repo_cmake_options
         make -C "$repo_build_dir" -j$(nproc) install
         echo "$last_commit_sha" > "$repo_cache_dir/.last_commit_sha"
     else
@@ -106,7 +108,7 @@ else
         echo "Downloading $package_name $repo_checkout from archive"
         wget -q "$repo_url/archive/$repo_checkout.tar.gz" -P "$repo_source_dir"
         tar xzf "$repo_source_dir/$repo_checkout.tar.gz" -C "$repo_source_dir" --strip-components=1
-        cmake -H"$cmake_home_dir" -B"$repo_build_dir" $repo_cmake_options
+        eval $cmake_env cmake -H"$cmake_home_dir" -B"$repo_build_dir" $repo_cmake_options
         make -C "$repo_build_dir" -j$(nproc) install
     else
         echo "$package_name $repo_checkout already in cache"