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-rw-r--r--doc/HACKING10
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/HACKING b/doc/HACKING
index e76b374d30..c06a682683 100644
--- a/doc/HACKING
+++ b/doc/HACKING
@@ -121,7 +121,8 @@ Running gcov for unit test coverage
make clean
make CFLAGS='-g -fprofile-arcs -ftest-coverage'
./src/test/test
- cd src/common; gcov *.[ch]
+ gcov -o src/common src/common/*.[ch]
+ gcov -o src/or src/or/*.[ch]
cd ../or; gcov *.[ch]
-----
@@ -130,6 +131,13 @@ compiler generated no code for that line. '######' means that the
line was never reached. Lines with numbers were called that number
of times.
+If that doesn't work:
+ * Try configuring Tor with --disable-gcc-hardening
+ * On recent OSX versions, you might need to add CC=clang to your
+ build line, as in:
+ make CFLAGS='-g -fprofile-arcs -ftest-coverage' CC=clang
+ Their llvm-gcc doesn't work so great for me.
+
Profiling Tor with oprofile
~~~~~~~~~~~~~~~~~~~~~~~~~~~