add gcov to scripts and readme, add ikos to readme

.devcontainer/debian/bookworm/Dockerfile

@@ -244,7 +244,7 @@ RUN echo "Packages" && \
     # profiling
     # gprof (is part of binutils and already installed)
     linux-perf \
-    # code coverage
+    # code coverage (gcov is part of GCC)
     gcovr lcov \
     # tracing
     strace ltrace \

.devcontainer/debian/trixie/Dockerfile

@@ -238,7 +238,7 @@ RUN echo "Packages" && \
     # profiling
     # gprof
     linux-perf \
-    # code coverage
+    # code coverage (gcov is part of GCC)
     gcovr lcov \
     # tracing
     strace ltrace \

.devcontainer/scripts/show-tool-locations.sh

@@ -50,6 +50,7 @@ show_tool_locations() {
   get_command_paths strace
   get_command_paths ltrace
   get_command_paths lcov
+  get_command_paths gcov
   get_command_paths gcovr
   get_command_paths doxygen
   get_command_paths sphinx-build

.devcontainer/scripts/show-tool-versions.sh

@@ -75,6 +75,7 @@ show_tool_versions() {
     strace_version=$(strace --version | head -n1 | awk '{print $4}')
     ltrace_version=$(ltrace --version | head -n1 | awk '{print $2}')
     lcov=$(lcov --version | head -n1 | awk '{print $4}')
+    gcov=$(gcov --version | head -n1 | awk '{print $3}' | cut -d'-' -f1)
     gcovr=$(gcovr --version | head -n1 | awk '{print $2}')
     doxygen_version=$(doxygen -v | awk '{print $1}')
     sphinx_version=$(sphinx-build --version | awk '{print $2}')

README.md

@@ -45,7 +45,8 @@ On top of the base image the following tools are installed:
 - zsh with plugins: autosuggestions, completions, history substring search
 - git, nano, jq
 - curl, wget
-- cppcheck, valgrind, lcov
+- cppcheck, ikos, valgrind
+- lcov, gcov, gcovr
 - strace, ltrace
 - perf, gprof
 - CMake (latest version)