Increase timeout for Linux in travis

travis/build-helper.sh

@@ -14,9 +14,10 @@ travis_fold() {
 run() {
   case "$1" in
   Build1)
-    # CMake
     travis_fold start cmake
+    # Remove old build folder
     rm -rf build
+    # CMake
     mkdir build
     cd build
     cmake .. "${CMAKE_ARGS[@]}"

travis/build.sh

@@ -3,7 +3,7 @@
 
 : ${N_JOBS:=2}
 : ${TIMEOUT_MAC:=1800}
-: ${TIMEOUT_LINUX:=2000}
+: ${TIMEOUT_LINUX:=2500}
 
 if [ "$STL" != "" ]
 then