diff options
Diffstat (limited to 'pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh')
-rw-r--r-- | pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh b/pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh index 08ef490e2447..7175b408b02f 100644 --- a/pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh +++ b/pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh @@ -1,3 +1,5 @@ +postPhases+=" cleanupBuildDir" + # Force GCC to build with coverage instrumentation. Also disable # optimisation, since it may confuse things. export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -O0 --coverage" @@ -12,3 +14,18 @@ postUnpack() { substituteInPlace $i --replace '*.$objext)' '*.$objext | *.gcno)' done } + +# Get rid of everything that isn't a gcno file or a C source file. +# Also strip the `.tmp_' prefix from gcno files. (The Linux kernel +# creates these.) +cleanupBuildDir() { + if ! [ -e $out/.build ]; then return; fi + + find $out/.build/ -type f -a ! \ + \( -name "*.c" -o -name "*.cc" -o -name "*.cpp" -o -name "*.h" -o -name "*.hh" -o -name "*.y" -o -name "*.l" -o -name "*.gcno" \) \ + | xargs rm -f -- + + for i in $(find $out/.build/ -name ".tmp_*.gcno"); do + mv "$i" "$(echo $i | sed s/.tmp_//)" + done +} |