Code coverage testing with gcov. Documentation is in the regression test
chapter. Author: Michelle Caisse <Michelle.Caisse@Sun.COM>
This commit is contained in:
Peter Eisentraut
parent
579d9a5201
commit
11f53b1063
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@ -1,7 +1,7 @@
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#
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# PostgreSQL top level makefile
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#
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# $PostgreSQL: pgsql/GNUmakefile.in,v 1.47 2008/03/18 16:24:50 petere Exp $
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# $PostgreSQL: pgsql/GNUmakefile.in,v 1.48 2008/09/05 12:11:17 petere Exp $
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#
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subdir =
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@ -61,6 +61,25 @@ GNUmakefile: GNUmakefile.in $(top_builddir)/config.status
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./config.status $@
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##########################################################################
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coverage:
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$(MAKE) -C src/backend $@
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.PHONY: coverage-html
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coverage-html: coverage
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rm -rf coverage
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mkdir coverage
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$(GENHTML) --show-details --legend --output-directory=coverage --title=PostgreSQL --num-spaces=4 `find src/backend -name lcov.info -print`
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ifeq ($(enable_coverage),yes)
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clean distclean maintainer-clean: clean-coverage-local
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.PHONY: clean-coverage-local
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clean-coverage-local:
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rm -rf coverage
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endif
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##########################################################################
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distdir = postgresql-$(VERSION)
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@ -672,6 +672,10 @@ enable_shared
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enable_rpath
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enable_debug
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enable_profiling
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GCOV
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LCOV
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GENHTML
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enable_coverage
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DTRACE
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DTRACEFLAGS
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enable_dtrace
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@ -1356,6 +1360,7 @@ Optional Features:
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--disable-spinlocks do not use spinlocks
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--enable-debug build with debugging symbols (-g)
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--enable-profiling build with profiling enabled
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--enable-coverage build with coverage testing instrumentation
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--enable-dtrace build with DTrace support
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--enable-depend turn on automatic dependency tracking
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--enable-cassert enable assertion checks (for debugging)
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@ -2468,6 +2473,178 @@ fi
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#
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# --enable-coverage enables generation of code coverage metrics with gcov
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#
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pgac_args="$pgac_args enable_coverage"
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# Check whether --enable-coverage was given.
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if test "${enable_coverage+set}" = set; then
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enableval=$enable_coverage;
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case $enableval in
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yes)
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:
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;;
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no)
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:
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;;
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*)
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{ { echo "$as_me:$LINENO: error: no argument expected for --enable-coverage option" >&5
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echo "$as_me: error: no argument expected for --enable-coverage option" >&2;}
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{ (exit 1); exit 1; }; }
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;;
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esac
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else
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enable_coverage=no
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fi
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for ac_prog in gcov
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do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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{ echo "$as_me:$LINENO: checking for $ac_word" >&5
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echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
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if test "${ac_cv_prog_GCOV+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test -n "$GCOV"; then
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ac_cv_prog_GCOV="$GCOV" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
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ac_cv_prog_GCOV="$ac_prog"
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echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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GCOV=$ac_cv_prog_GCOV
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if test -n "$GCOV"; then
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{ echo "$as_me:$LINENO: result: $GCOV" >&5
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echo "${ECHO_T}$GCOV" >&6; }
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else
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{ echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6; }
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fi
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test -n "$GCOV" && break
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done
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if test -z "$GCOV"; then
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{ { echo "$as_me:$LINENO: error: gcov not found" >&5
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echo "$as_me: error: gcov not found" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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for ac_prog in lcov
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do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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{ echo "$as_me:$LINENO: checking for $ac_word" >&5
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echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
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if test "${ac_cv_prog_LCOV+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test -n "$LCOV"; then
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ac_cv_prog_LCOV="$LCOV" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
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ac_cv_prog_LCOV="$ac_prog"
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echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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LCOV=$ac_cv_prog_LCOV
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if test -n "$LCOV"; then
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{ echo "$as_me:$LINENO: result: $LCOV" >&5
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echo "${ECHO_T}$LCOV" >&6; }
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else
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{ echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6; }
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fi
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test -n "$LCOV" && break
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done
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if test -z "$LCOV"; then
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{ { echo "$as_me:$LINENO: error: lcov not found" >&5
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echo "$as_me: error: lcov not found" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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for ac_prog in genhtml
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do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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{ echo "$as_me:$LINENO: checking for $ac_word" >&5
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echo $ECHO_N "checking for $ac_word... $ECHO_C" >&6; }
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if test "${ac_cv_prog_GENHTML+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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if test -n "$GENHTML"; then
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ac_cv_prog_GENHTML="$GENHTML" # Let the user override the test.
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else
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as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
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for as_dir in $PATH
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do
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IFS=$as_save_IFS
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test -z "$as_dir" && as_dir=.
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for ac_exec_ext in '' $ac_executable_extensions; do
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if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
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ac_cv_prog_GENHTML="$ac_prog"
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echo "$as_me:$LINENO: found $as_dir/$ac_word$ac_exec_ext" >&5
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break 2
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fi
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done
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done
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IFS=$as_save_IFS
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fi
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fi
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GENHTML=$ac_cv_prog_GENHTML
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if test -n "$GENHTML"; then
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{ echo "$as_me:$LINENO: result: $GENHTML" >&5
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echo "${ECHO_T}$GENHTML" >&6; }
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else
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{ echo "$as_me:$LINENO: result: no" >&5
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echo "${ECHO_T}no" >&6; }
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fi
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test -n "$GENHTML" && break
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done
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if test -z "$GENHTML"; then
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{ { echo "$as_me:$LINENO: error: genhtml not found" >&5
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echo "$as_me: error: genhtml not found" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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#
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# DTrace
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#
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@ -3580,13 +3757,16 @@ unset CFLAGS
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# CFLAGS are selected so:
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# If the user specifies something in the environment, that is used.
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# else: If the template file set something, that is used.
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# else: If coverage was enabled, don't set anything.
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# else: If the compiler is GCC, then we use -O2.
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# else: If the compiler is something else, then we use -0.
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# else: If the compiler is something else, then we use -O.
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if test "$ac_env_CFLAGS_set" = set; then
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CFLAGS=$ac_env_CFLAGS_value
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elif test "${CFLAGS+set}" = set; then
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: # (keep what template set)
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elif test "$enable_coverage" = yes; then
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: # no optimization by default
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elif test "$GCC" = yes; then
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CFLAGS="-O2"
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else
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@ -3961,6 +4141,17 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
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CFLAGS="$CFLAGS -g"
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fi
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|
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# enable code coverage if --enable-coverage
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if test "$enable_coverage" = yes; then
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if test "$GCC" = yes; then
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CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
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else
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{ { echo "$as_me:$LINENO: error: --enable-coverage is supported only when using GCC" >&5
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echo "$as_me: error: --enable-coverage is supported only when using GCC" >&2;}
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{ (exit 1); exit 1; }; }
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fi
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fi
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# enable profiling if --enable-profiling
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if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
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if test "$GCC" = yes; then
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@ -26510,6 +26701,10 @@ enable_shared!$enable_shared$ac_delim
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enable_rpath!$enable_rpath$ac_delim
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enable_debug!$enable_debug$ac_delim
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enable_profiling!$enable_profiling$ac_delim
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GCOV!$GCOV$ac_delim
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LCOV!$LCOV$ac_delim
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GENHTML!$GENHTML$ac_delim
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enable_coverage!$enable_coverage$ac_delim
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DTRACE!$DTRACE$ac_delim
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DTRACEFLAGS!$DTRACEFLAGS$ac_delim
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enable_dtrace!$enable_dtrace$ac_delim
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@ -26549,10 +26744,6 @@ LDFLAGS_SL!$LDFLAGS_SL$ac_delim
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LD!$LD$ac_delim
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with_gnu_ld!$with_gnu_ld$ac_delim
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ld_R_works!$ld_R_works$ac_delim
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RANLIB!$RANLIB$ac_delim
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STRIP!$STRIP$ac_delim
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STRIP_STATIC_LIB!$STRIP_STATIC_LIB$ac_delim
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STRIP_SHARED_LIB!$STRIP_SHARED_LIB$ac_delim
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_ACEOF
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if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
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@ -26594,6 +26785,10 @@ _ACEOF
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ac_delim='%!_!# '
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for ac_last_try in false false false false false :; do
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cat >conf$$subs.sed <<_ACEOF
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RANLIB!$RANLIB$ac_delim
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STRIP!$STRIP$ac_delim
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STRIP_STATIC_LIB!$STRIP_STATIC_LIB$ac_delim
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STRIP_SHARED_LIB!$STRIP_SHARED_LIB$ac_delim
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TAR!$TAR$ac_delim
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LN_S!$LN_S$ac_delim
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AWK!$AWK$ac_delim
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|
|
@ -26644,7 +26839,7 @@ vpath_build!$vpath_build$ac_delim
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LTLIBOBJS!$LTLIBOBJS$ac_delim
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_ACEOF
|
||||
|
||||
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 48; then
|
||||
if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 52; then
|
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break
|
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elif $ac_last_try; then
|
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{ { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
|
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|
|
|
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35
configure.in
35
configure.in
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|
@ -1,5 +1,5 @@
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dnl Process this file with autoconf to produce a configure script.
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dnl $PostgreSQL: pgsql/configure.in,v 1.565 2008/08/29 13:02:32 petere Exp $
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dnl $PostgreSQL: pgsql/configure.in,v 1.566 2008/09/05 12:11:18 petere Exp $
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||||
dnl
|
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dnl Developers, please strive to achieve this order:
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||||
dnl
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|
|
@ -203,6 +203,25 @@ PGAC_ARG_BOOL(enable, profiling, no,
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[ --enable-profiling build with profiling enabled ])
|
||||
AC_SUBST(enable_profiling)
|
||||
|
||||
#
|
||||
# --enable-coverage enables generation of code coverage metrics with gcov
|
||||
#
|
||||
PGAC_ARG_BOOL(enable, coverage, no,
|
||||
[ --enable-coverage build with coverage testing instrumentation])
|
||||
AC_CHECK_PROGS(GCOV, gcov)
|
||||
if test -z "$GCOV"; then
|
||||
AC_MSG_ERROR([gcov not found])
|
||||
fi
|
||||
AC_CHECK_PROGS(LCOV, lcov)
|
||||
if test -z "$LCOV"; then
|
||||
AC_MSG_ERROR([lcov not found])
|
||||
fi
|
||||
AC_CHECK_PROGS(GENHTML, genhtml)
|
||||
if test -z "$GENHTML"; then
|
||||
AC_MSG_ERROR([genhtml not found])
|
||||
fi
|
||||
AC_SUBST(enable_coverage)
|
||||
|
||||
#
|
||||
# DTrace
|
||||
#
|
||||
|
|
@ -370,13 +389,16 @@ unset CFLAGS
|
|||
# CFLAGS are selected so:
|
||||
# If the user specifies something in the environment, that is used.
|
||||
# else: If the template file set something, that is used.
|
||||
# else: If coverage was enabled, don't set anything.
|
||||
# else: If the compiler is GCC, then we use -O2.
|
||||
# else: If the compiler is something else, then we use -0.
|
||||
# else: If the compiler is something else, then we use -O.
|
||||
|
||||
if test "$ac_env_CFLAGS_set" = set; then
|
||||
CFLAGS=$ac_env_CFLAGS_value
|
||||
elif test "${CFLAGS+set}" = set; then
|
||||
: # (keep what template set)
|
||||
elif test "$enable_coverage" = yes; then
|
||||
: # no optimization by default
|
||||
elif test "$GCC" = yes; then
|
||||
CFLAGS="-O2"
|
||||
else
|
||||
|
|
@ -415,6 +437,15 @@ if test "$enable_debug" = yes && test "$ac_cv_prog_cc_g" = yes; then
|
|||
CFLAGS="$CFLAGS -g"
|
||||
fi
|
||||
|
||||
# enable code coverage if --enable-coverage
|
||||
if test "$enable_coverage" = yes; then
|
||||
if test "$GCC" = yes; then
|
||||
CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
|
||||
else
|
||||
AC_MSG_ERROR([--enable-coverage is supported only when using GCC])
|
||||
fi
|
||||
fi
|
||||
|
||||
# enable profiling if --enable-profiling
|
||||
if test "$enable_profiling" = yes && test "$ac_cv_prog_cc_g" = yes; then
|
||||
if test "$GCC" = yes; then
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.312 2008/08/29 13:02:32 petere Exp $ -->
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.313 2008/09/05 12:11:18 petere Exp $ -->
|
||||
|
||||
<chapter id="installation">
|
||||
<title><![%standalone-include[<productname>PostgreSQL</>]]>
|
||||
|
|
@ -1233,6 +1233,21 @@ su - postgres
|
|||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><option>--enable-coverage</option></term>
|
||||
<listitem>
|
||||
<para>
|
||||
If using GCC, all programs and libraries are compiled with
|
||||
code coverage testing instrumentation. When run, they
|
||||
generate files in the build directory with code coverage
|
||||
metrics.
|
||||
<![%standalone-ignore[See <xref linkend="regress-coverage">
|
||||
for more information.]]> This option is for use only with GCC
|
||||
and when doing development work.
|
||||
</para>
|
||||
</listitem>
|
||||
</varlistentry>
|
||||
|
||||
<varlistentry>
|
||||
<term><option>--enable-profiling</option></term>
|
||||
<listitem>
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
<!-- $PostgreSQL: pgsql/doc/src/sgml/regress.sgml,v 1.59 2008/05/30 00:04:32 tgl Exp $ -->
|
||||
<!-- $PostgreSQL: pgsql/doc/src/sgml/regress.sgml,v 1.60 2008/09/05 12:11:18 petere Exp $ -->
|
||||
|
||||
<chapter id="regress">
|
||||
<title id="regress-title">Regression Tests</title>
|
||||
|
|
@ -419,5 +419,37 @@ float8:out:i.86-.*-openbsd=float8-small-is-zero.out
|
|||
</para>
|
||||
|
||||
</sect1>
|
||||
|
||||
|
||||
<sect1 id="regress-coverage">
|
||||
<title>Test Coverage Examination</title>
|
||||
|
||||
<para>
|
||||
The PostgreSQL source code can be compiled with coverage testing
|
||||
instrumentation, so that it becomes possible to examine which
|
||||
parts of the code are covered by the regression tests or any other
|
||||
test suite that is run with the code. This is currently supported
|
||||
when compiling with GCC and requires the <command>gcov</command>
|
||||
and <command>lcov</command> programs.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
A typical workflow would look like this:
|
||||
<screen>
|
||||
./configure --enable-coverage ... OTHER OPTIONS ...
|
||||
gmake
|
||||
gmake check # or other test suite
|
||||
gmake coverage-html
|
||||
</screen>
|
||||
Then point your HTML browser
|
||||
to <filename>coverage/index.html</filename>.
|
||||
</para>
|
||||
|
||||
<para>
|
||||
To reset the execution counts between test runs, run
|
||||
<screen>
|
||||
gmake coverage-clean
|
||||
</screen>
|
||||
</para>
|
||||
</sect1>
|
||||
|
||||
</chapter>
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
# -*-makefile-*-
|
||||
# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.242 2008/08/29 13:02:32 petere Exp $
|
||||
# $PostgreSQL: pgsql/src/Makefile.global.in,v 1.243 2008/09/05 12:11:18 petere Exp $
|
||||
|
||||
#------------------------------------------------------------------------------
|
||||
# All PostgreSQL makefiles include this file and use the variables it sets,
|
||||
|
|
@ -18,7 +18,7 @@
|
|||
#
|
||||
# Meta configuration
|
||||
|
||||
.PHONY: all install install-strip installdirs uninstall clean distclean maintainer-clean distprep check installcheck maintainer-check
|
||||
.PHONY: all install install-strip installdirs uninstall clean distclean maintainer-clean distprep check installcheck maintainer-check coverage
|
||||
.SILENT: installdirs
|
||||
|
||||
# make `all' the default target
|
||||
|
|
@ -165,6 +165,7 @@ enable_rpath = @enable_rpath@
|
|||
enable_nls = @enable_nls@
|
||||
enable_debug = @enable_debug@
|
||||
enable_dtrace = @enable_dtrace@
|
||||
enable_coverage = @enable_coverage@
|
||||
enable_thread_safety = @enable_thread_safety@
|
||||
|
||||
python_includespec = @python_includespec@
|
||||
|
|
@ -291,6 +292,17 @@ JADE = @JADE@
|
|||
NSGMLS = @NSGMLS@
|
||||
SGMLSPL = @SGMLSPL@
|
||||
|
||||
# Code coverage
|
||||
|
||||
GCOV = @GCOV@
|
||||
LCOV = @LCOV@
|
||||
GENHTML = @GENHTML@
|
||||
|
||||
ifeq ($(enable_coverage),yes)
|
||||
# ccache loses .gcno files
|
||||
export CCACHE_DISABLE = 1
|
||||
endif
|
||||
|
||||
# Feature settings
|
||||
|
||||
DEF_PGPORT = @default_port@
|
||||
|
|
@ -574,3 +586,39 @@ include $(top_srcdir)/src/nls-global.mk
|
|||
|
||||
endif # nls.mk
|
||||
endif # enable_nls
|
||||
|
||||
|
||||
##########################################################################
|
||||
#
|
||||
# Coverage
|
||||
|
||||
ifeq ($(enable_coverage), yes)
|
||||
|
||||
# There is a strange interaction between lcov and existing .gcov
|
||||
# output files. Hence the rm command and the ordering dependency.
|
||||
|
||||
gcda_files := $(wildcard *.gcda)
|
||||
|
||||
lcov.info:
|
||||
rm -f *.gcov
|
||||
ifneq (,$(gcda_files))
|
||||
$(LCOV) -d . -c -o $@ $(LCOVFLAGS)
|
||||
endif
|
||||
|
||||
%.c.gcov: %.gcda | lcov.info
|
||||
$(GCOV) -b -f -p -o . $(GCOVFLAGS) $*.c >$*.c.gcov.out
|
||||
|
||||
|
||||
# hook for clean-up
|
||||
clean distclean maintainer-clean: clean-coverage
|
||||
|
||||
.PHONY: clean-coverage
|
||||
clean-coverage:
|
||||
rm -f *.gcda *.gcno lcov.info *.gcov *.gcov.out
|
||||
|
||||
|
||||
# User-callable target to reset counts between test runs
|
||||
coverage-clean:
|
||||
rm -f `find . -name '*.gcda' -print`
|
||||
|
||||
endif # enable_coverage
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
#
|
||||
# Common make rules for backend
|
||||
#
|
||||
# $PostgreSQL: pgsql/src/backend/common.mk,v 1.7 2008/03/17 18:24:56 petere Exp $
|
||||
# $PostgreSQL: pgsql/src/backend/common.mk,v 1.8 2008/09/05 12:11:18 petere Exp $
|
||||
#
|
||||
|
||||
# When including this file, set OBJS to the object files created in
|
||||
|
|
@ -46,3 +46,9 @@ ifdef SUBDIRS
|
|||
for dir in $(SUBDIRS); do $(MAKE) -C $$dir clean || exit; done
|
||||
endif
|
||||
rm -f $(subsysfilename) $(OBJS)
|
||||
|
||||
|
||||
coverage: $(gcda_files:.gcda=.c.gcov) lcov.info
|
||||
ifdef SUBDIRS
|
||||
for dir in $(SUBDIRS); do $(MAKE) -C $$dir coverage || exit; done
|
||||
endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue