Re-enable Build.PL for osx and leverage Travis cache for Linux

.travis.yml

@@ -8,7 +8,7 @@
 # - build
 # - test
 # - package
-# - deploy to dl.slic3r.org
+# - deploy to dl.slic3r.org (except for the cppgui branch)
 
 language: generic
 dist: trusty
@@ -52,13 +52,14 @@ matrix:
         - os: linux
           env:
             - BUILD_PL=true
-            - CACHE=$HOME/cache
           cache:
             directories:
-              - $HOME/cache
+              - $HOME/boost_1_63_0
+              - $HOME/perl5
+              - $HOME/wx302
               - local-lib
           after_success:
-            - package/linux/travis-deploy-main.sh
+            - if [[ "${TRAVIS_BRANCH}" != "cppgui" ]]; then ./package/linux/travis-deploy-main.sh; fi
 
         - os: linux
           env: 
@@ -81,7 +82,7 @@ matrix:
               - $HOME/Library/Caches/Homebrew
               - local-lib
           after_success:
-            - package/osx/travis-deploy-main.sh
+            - if [[ "${TRAVIS_BRANCH}" != "cppgui" ]]; then ./package/osx/travis-deploy-main.sh; fi
 
         - os: osx
           osx_image: xcode9.4

package/linux/travis-build-main.sh

@@ -3,34 +3,30 @@
 # This is too strict for source $HOME/perl5/perlbrew/etc/bashrc:
 ### set -euo pipefail
 
-mkdir -p $CACHE
-
-WXVERSION=302
-if [ ! -e $CACHE/slic3r-perlbrew-5.24.tar.bz2 ]; then
-    echo "Downloading http://www.siusgs.com/slic3r/buildserver/slic3r-perl.524.travis.tar.bz2 => $CACHE/slic3r-perlbrew-5.24.tar.bz2"
-    curl -L "http://www.siusgs.com/slic3r/buildserver/slic3r-perl.524.gcc49.travis.tar.bz2" -o $CACHE/slic3r-perlbrew-5.24.tar.bz2; 
+if [ ! -d $HOME/perl5/perlbrew/perls ]; then
+    echo "Downloading slic3r-perl.524.travis.tar.bz2"
+    curl -L "http://www.siusgs.com/slic3r/buildserver/slic3r-perl.524.gcc49.travis.tar.bz2" -o /tmp/slic3r-perlbrew-5.24.tar.bz2; 
+    tar -C$HOME/perl5/perlbrew/perls -xjf $CACHE/slic3r-perlbrew-5.24.tar.bz2
 fi
 
-if [ ! -e $CACHE/boost-compiled.tar.bz2 ]; then
-    echo "Downloading http://www.siusgs.com/slic3r/buildserver/boost_1_63_0.built.gcc-4.9.4-buildserver.tar.bz2 => $CACHE/boost-compiled.tar.bz2"
-    curl -L "http://www.siusgs.com/slic3r/buildserver/boost_1_63_0.built.gcc-4.9.4-buildserver.tar.bz2" -o $CACHE/boost-compiled.tar.bz2
+if [ ! -d $HOME/boost_1_63_0 ]; then
+    echo "Downloading boost_1_63_0.built.gcc-4.9.4-buildserver.tar.bz2"
+    curl -L "http://www.siusgs.com/slic3r/buildserver/boost_1_63_0.built.gcc-4.9.4-buildserver.tar.bz2" -o /tmp/boost-compiled.tar.bz2
+    tar -C$HOME -xjf /tmp/boost-compiled.tar.bz2
 fi
 
-if [ ! -e $CACHE/local-lib-wx${WXVERSION}.tar.bz2 ]; then
-    echo "Downloading http://www.siusgs.com/slic3r/buildserver/slic3r-dependencies.gcc49.travis-wx${WXVERSION}.tar.bz2 => $CACHE/local-lib-wx${WXVERSION}.tar.bz2"
-    curl -L "http://www.siusgs.com/slic3r/buildserver/slic3r-dependencies.travis-wx${WXVERSION}.tar.bz2" -o $CACHE/local-lib-wx${WXVERSION}.tar.bz2
+if [ ! -d $TRAVIS_BUILD_DIR/local-lib ]; then
+    echo "Downloading slic3r-dependencies.gcc49.travis-wx302.tar.bz2"
+    curl -L "http://www.siusgs.com/slic3r/buildserver/slic3r-dependencies.travis-wx302.tar.bz2" -o /tmp/local-lib-wx302.tar.bz2
+    tar -C$TRAVIS_BUILD_DIR -xjf /tmp/local-lib-wx302.tar.bz2
 fi
 
-if [ ! -e $CACHE/wx${WXVERSION}.tar.bz2 ]; then
-    echo "Downloading http://www.siusgs.com/slic3r/buildserver/wx${WXVERSION}-libs.tar.bz2 => $CACHE/wx${WXVERSION}.tar.bz2"
-    curl -L "http://www.siusgs.com/slic3r/buildserver/wx${WXVERSION}-libs.tar.bz2" -o $CACHE/wx${WXVERSION}.tar.bz2
+if [ ! -d $HOME/wx302 ]; then
+    echo "Downloading buildserver/wx302-libs.tar.bz2"
+    curl -L "http://www.siusgs.com/slic3r/buildserver/wx302-libs.tar.bz2" -o /tmp/wx302.tar.bz2
+    tar -C$HOME -xjf /tmp/wx302.tar.bz2
 fi
 
-tar -C$TRAVIS_BUILD_DIR -xjf $CACHE/local-lib-wx${WXVERSION}.tar.bz2
-tar -C$HOME/perl5/perlbrew/perls -xjf $CACHE/slic3r-perlbrew-5.24.tar.bz2
-tar -C$HOME -xjf $CACHE/boost-compiled.tar.bz2
-tar -C$HOME -xjf $CACHE/wx${WXVERSION}.tar.bz2
-
 source $HOME/perl5/perlbrew/etc/bashrc
 perlbrew switch slic3r-perl
 

package/osx/travis-build-main.sh

@@ -6,7 +6,7 @@ brew install boost perl cpanminus
 
 export SLIC3R_STATIC=1
 export BOOST_DIR=/usr/local
-#perl ./Build.PL
+perl ./Build.PL
 
 # Only recompile Wx if it's not already there
 if !(perl -MWx -e1 2> /dev/null); then