Revert "Enable coverage reports for Travis builds"

    This reverts commit 34d5394.

    Gcc builds were too resource hungry and kept getting killed by
    Travis. Will keep investigating alternate approaches...

.travis.yml

@@ -1,7 +1,7 @@
 language: cpp
 
 compiler:
-  - gcc
+  - clang
 
 cache: apt
 
@@ -18,7 +18,7 @@ before_install:
 install:
   - mkdir build
   - cd build
-  - cmake -DWITH_SERVER=ON -DWITH_STAGED_PLUGINS=OFF -DWITH_GRASS=OFF -DENABLE_COVERAGE=ON \
+  - cmake -DWITH_SERVER=ON -DWITH_STAGED_PLUGINS=OFF -DWITH_GRASS=OFF \
           -DSUPPRESS_QT_WARNINGS=ON -DENABLE_MODELTEST=ON -DWITH_QWTPOLAR=OFF ..
 
 script: xvfb-run ctest -V -E 'Atlas|atlas|PyQgsPalLabelingCanvas|PyQgsPalLabelingServer|qgis_wcsprovidertest' -S ../qgis-test-travis.ctest --output-on-failure

qgis-test-travis.ctest

@@ -7,21 +7,15 @@ SET( CTEST_CMAKE_GENERATOR  "Unix Makefiles" )
 SET (CTEST_CMAKE_COMMAND "cmake" )
 SET (CTEST_BUILD_COMMAND "/usr/bin/make -j2 -i -k" )
 SET (CTEST_SITE "travis-ci.org" )
-SET (CTEST_COVERAGE_COMMAND "/usr/bin/gcov" )
-SET (CTEST_CUSTOM_COVERAGE_EXCLUDE "\(.*/tests/.*|.*\\.cxx|.*\\.sip|.*/sip_.*|.*/ui_.*|.*/qwtpolar.*\)\$" )
 IF ($ENV{TRAVIS_PULL_REQUEST} STREQUAL "false")
   # No pull request
   SET (CTEST_BUILD_NAME "$ENV{TRAVIS_BRANCH} ($ENV{TRAVIS_COMMIT})")
 ELSE()
   SET (CTEST_BUILD_NAME "PR: $ENV{TRAVIS_PULL_REQUEST} / $ENV{TRAVIS_BRANCH} ($ENV{TRAVIS_COMMIT})")
 ENDIF()
-SET (CTEST_BUILD_CONFIGURATION "Debug")
+SET (CTEST_BUILD_CONFIGURATION "Release")
+
 
-SET(CMAKE_CXX_FLAGS_COVERAGE "-g -O0 --coverage -fprofile-arcs -ftest-coverage" )
-SET(CMAKE_C_FLAGS_COVERAGE "-g -O0 --coverage -fprofile-arcs -ftest-coverage")
-SET(CMAKE_EXE_LINKER_FLAGS_COVERAGE "--coverage -fprofile-arcs -ftest-coverage")
-SET(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "--coverage -fprofile-arcs -ftest-coverage" )
-
 SET (INITIAL_CACHE "
 BUILDNAME:STRING=${CTEST_BUILD_NAME}
 SITE:STRING=${CTEST_SITE}
@@ -42,7 +36,6 @@ IF(NOT ${BUILDRES} EQUAL 0)
   MESSAGE( FATAL_ERROR "Build failed." )
 ENDIF(NOT ${BUILDRES} EQUAL 0)
 ctest_test (BUILD "${CTEST_BINARY_DIRECTORY}" PARALLEL_LEVEL 2 RETURN_VALUE TESTRES)
-ctest_coverage( BUILD "${CMAKE_BINARY_DIR}")
 IF(NOT ${TESTRES} EQUAL 0)
   ctest_submit ()
   MESSAGE( FATAL_ERROR "Test failed." )