Fixes for running with gcov

Author: montywi

.gitignore

@@ -80,6 +80,8 @@ mysql-test/lib/My/SafeProcess/my_safe_process
 mysql-test/mtr
 mysql-test/mysql-test-run
 mysql-test/var
+mysql-test-gcov.err
+mysql-test-gcov.msg
 mysys/thr_lock
 mysys/thr_timer
 packaging/rpm-oel/mysql.spec

BUILD/SETUP.sh

@@ -293,7 +293,7 @@ gcov_compile_flags="$gcov_compile_flags -DMYSQL_SERVER_SUFFIX=-gcov -DHAVE_gcov"
 # GCC4 needs -fprofile-arcs -ftest-coverage on the linker command line (as well
 # as on the compiler command line), and this requires setting LDFLAGS for BDB.
 
-gcov_link_flags="-fprofile-arcs -ftest-coverage"
+gcov_link_flags="-fprofile-arcs -ftest-coverage -lgcov"
 
 gcov_configs="--with-gcov"
 

BUILD/compile-pentium64-gcov

@@ -28,6 +28,6 @@ export LDFLAGS="$gcov_link_flags"
 extra_flags="$pentium64_cflags $max_cflags $gcov_compile_flags"
 c_warnings="$c_warnings $debug_extra_warnings"
 cxx_warnings="$cxx_warnings $debug_extra_warnings"
-extra_configs="$pentium_configs $debug_configs $gcov_configs $max_configs --with-zlib-dir=bundled"
+extra_configs="$pentium_configs $debug_configs $gcov_configs $max_configs"
 
 . "$path/FINISH.sh"

debian/mariadb-test.install

@@ -17,7 +17,7 @@ usr/lib/mysql/plugin/qa_auth_client.so
 usr/lib/mysql/plugin/qa_auth_interface.so
 usr/lib/mysql/plugin/qa_auth_server.so
 usr/share/mysql/mysql-test/README
-usr/share/mysql/mysql-test/README.gcov
+usr/share/mysql/mysql-test/README-gcov
 usr/share/mysql/mysql-test/README.stress
 usr/share/mysql/mysql-test/disabled.def
 usr/share/mysql/mysql-test/lib

mysql-test/README.gcov renamed to mysql-test/README-gcov

@@ -2,12 +2,14 @@ To be able to see the level of coverage with the current test suite,
 do the following:
 
   - Make sure gcov is installed
-  - Compile the MySQL distribution with BUILD/compile-pentium-gcov (if your
+  - Compile the MySQL distribution with BUILD/compile-pentium64-gcov (if your
     machine does not have a pentium CPU, hack this script, or just live with
 	the pentium-specific stuff)
   - In the mysql-test directory, run this command: ./mysql-test-run -gcov
   - To see the level of coverage for a given source file:
-     grep source_file_name /tmp/gcov.out
+     grep -1 source_file_name ../mysql-test-gcov.msg
   - To see which lines are not yet covered, look at source_file_name.gcov in
-    the source tree. Then think hard about a test case that will cover those
-    lines, and write one!
+    the source tree.  You can find this by doing something like:
+    find source-directory -name "mysqld.cc.gcov"
+    Then think hard about a test case that will cover those lines, and write
+    one!

mysql-test/lib/mtr_gcov.pl

@@ -27,7 +27,7 @@ ($)
   print "Purging gcov information from '$dir'...\n";
 
   system("find $dir -name \*.gcov -o -name \*.da"
-             . " -o -name \*.gcda | grep -v 'README.gcov\$' | xargs rm");
+             . " -o -name \*.gcda | xargs rm");
 }
 
 #

mysql-test/mysql-test-run.pl

@@ -248,7 +248,7 @@ END
 our $opt_clean_vardir= $ENV{'MTR_CLEAN_VARDIR'};
 
 our $opt_gcov;
-our $opt_gcov_src_dir;
+our $opt_gcov_src_dir=".";
 our $opt_gcov_exe= "gcov";
 our $opt_gcov_err= "mysql-test-gcov.err";
 our $opt_gcov_msg= "mysql-test-gcov.msg";