travis: skip mkdir and export PATH

Travis already has $HOME/bin in path

diff --git a/_travis/configure b/_travis/configure
index 69a61fcc8742355dbf99d6735ebd67b9d5dac8cc..8e29558c62e42b94c2241f7d1f5dc56212bfeba1 100755 (executable)
--- a/_travis/configure
+++ b/_travis/configure
@@ -37,10 +37,8 @@ fi
 
 # travis/ccache hack for clang
 if [[ "$CXX" == "clang++" && -x /usr/bin/ccache ]] ; then
-       mkdir -p /home/travis/bin
-       ln -s /usr/bin/ccache /home/travis/bin/clang
-       ln -s /usr/bin/ccache /home/travis/bin/clang++
-       export PATH=/home/travis/bin:$PATH
+       "ln -s /usr/bin/ccache" "$HOME/bin/clang"
+       "ln -s /usr/bin/ccache" "$HOME/bin/clang++"
 fi
 
 cmake $CMAKE_PARAMETERS ..