pkgs/build-support/setup-hooks/enable-coverage-instrumentation.sh

   1 appendToVar postPhases cleanupBuildDir
   2
   3 # Force GCC to build with coverage instrumentation.  Also disable
   4 # optimisation, since it may confuse things.
   5 export NIX_CFLAGS_COMPILE="${NIX_CFLAGS_COMPILE:-} -O0 --coverage"
   6
   7 # Get rid of everything that isn't a gcno file or a C source file.
   8 # Also strip the `.tmp_' prefix from gcno files.  (The Linux kernel
   9 # creates these.)
  10 cleanupBuildDir() {
  11     if ! [ -e $out/.build ]; then return; fi
  12
  13     find $out/.build/ -type f -a ! \
  14         \( -name "*.c" -o -name "*.cc" -o -name "*.cpp" -o -name "*.h" -o -name "*.hh" -o -name "*.y" -o -name "*.l" -o -name "*.gcno" \) \
  15         | xargs rm -f --
  16
  17     for i in $(find $out/.build/ -name ".tmp_*.gcno"); do
  18         mv "$i" "$(echo $i | sed s/.tmp_//)"
  19     done
  20 }