overwrite travis default compiler

.travis.scripts/coveralls.sh

@@ -19,7 +19,7 @@ then
     export LD_LIBRARY_PATH=${BOOST_ROOT}/lib:${LD_LIBRARY_PATH}
     echo "LD_LIBRARY_PATH: $LD_LIBRARY_PATH"
     ./configure --with-boost=${BOOST_ROOT}
-    make CXXFLAGS='-DHAVE_C11=1 -std=c++11'
+    make CXXFLAGS='-DHAVE_C11=1 -std=c++11' CXX=$COMPILER
     ./seq_test
 
     EXCL="-e src/non_api -e seq_test/seq_test.cpp -e htslib -e bwa -e fermi-lite -e config.h -e seq_test/config.h -e seq_test/config.h -e src/jsoncpp.cpp -e src/json -e src/SeqLib/ssw.h -e src/SeqLib/ssw_cpp.h -e src/ssw.c -e src/ssw_cpp.cpp"

.travis.scripts/travis-install.sh

@@ -3,6 +3,10 @@
 set -e
 set -o pipefail
 
+## print info aobut compiler
+TC=`$COMPILER --version`
+echo "True compiler is $TC"
+
 ## only build for one compiler
 #VALID=`g++ --version | grep 4.9 | wc -l`
 #if [[ "$VALID" -eq "0" ]]; then

.travis.yml

@@ -56,7 +56,7 @@ before_install:
 
 script: 
 - .travis.scripts/travis-install.sh
-- ./configure && make 
+- ./configure && make CXX=$COMPILER
 
 after_success: 
 - .travis.scripts/coveralls.sh