[gcov]: Change coverage.xml file references (#2120)

* [gcov] In gcov_support.sh, in the final coverage.xml that is generated remove all references to the common_work/gcov/ directory.
Signed-off-by: Lawrence Lee <lawlee@microsoft.com>

.azure-pipelines/gcov.yml

@@ -49,7 +49,6 @@ jobs:
   variables:
     DIFF_COVER_CHECK_THRESHOLD: 0
     DIFF_COVER_ENABLE: 'true'
-    DIFF_COVER_WORKING_DIRECTORY: $(System.DefaultWorkingDirectory)/gcov/
 
   container:
     image: sonicdev-microsoft.azurecr.io:443/${{ parameters.sonic_slave }}:latest
@@ -106,8 +105,7 @@ jobs:
       sudo ./gcov_support.sh generate
       sudo ./gcov_support.sh merge_container_info $(Build.ArtifactStagingDirectory)
       sudo cp -rf gcov_output $(Build.ArtifactStagingDirectory)
-      mkdir -p $(System.DefaultWorkingDirectory)/gcov
-      sudo cp -rf $(Build.ArtifactStagingDirectory)/gcov_output/AllMergeReport/* $(System.DefaultWorkingDirectory)/gcov/
+      sudo cp -rf $(Build.ArtifactStagingDirectory)/gcov_output/AllMergeReport/coverage.xml $(System.DefaultWorkingDirectory)/
       ls -lh $(Build.ArtifactStagingDirectory)
       popd
     workingDirectory: $(Pipeline.Workspace)

debian/rules

@@ -29,7 +29,7 @@ include /usr/share/dpkg/default.mk
 
 ifeq ($(ENABLE_GCOV), y)
 override_dh_auto_configure:
-	dh_auto_configure -- --enable-gcov
+	dh_auto_configure -- --enable-gcov CFLAGS="-g -O0" CXXFLAGS="-g -O0"
 endif
 
 override_dh_auto_install:

tests/gcov_support.sh

@@ -146,7 +146,8 @@ lcov_merge_all()
     cp $1/lcov_cobertura.py $1/common_work/gcov/
     python $1/common_work/gcov/lcov_cobertura.py total.info -o coverage.xml
 
-    sed -i "s#common_work/#$1/common_work/#" coverage.xml
+    sed -i "s#common_work/gcov/##" coverage.xml
+    sed -i "s#common_work.gcov.##" coverage.xml
 
     cd gcov_output/
     if [ ! -d ${ALLMERGE_DIR} ]; then