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make: allow Clang coverage instrumentation

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Clang's coverage instrumentation [1] is the best I've seen, with
precision down to the expressions within a line of code. Add an option
to use this instrumentation for better coverage reports.

[1] https://clang.llvm.org/docs/SourceBasedCodeCoverage.html
This commit is contained in:
Matt Morehouse
2023-05-05 12:19:30 -05:00
committed by Rusty Russell
parent 53154a40a5
commit aa9356b961
2 changed files with 21 additions and 0 deletions
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17
configure vendored
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@@ -144,6 +144,7 @@ set_defaults()
DEVELOPER=${DEVELOPER:-0}
COMPAT=${COMPAT:-1}
STATIC=${STATIC:-0}
CLANG_COVERAGE=${CLANG_COVERAGE:-0}
ASAN=${ASAN:-0}
UBSAN=${UBSAN:-0}
FUZZING=${FUZZING:-0}
@@ -203,6 +204,8 @@ usage()
echo " Run tests with Valgrind"
usage_with_default "--enable/disable-static" "$STATIC" "enable" "disable"
echo " Static link sqlite3 and zlib libraries"
usage_with_default "--enable/disable-coverage" "$CLANG_COVERAGE" "enable" "disable"
echo " Compile with Clang coverage instrumentation"
usage_with_default "--enable/disable-address-sanitizer" "$ASAN" "enable" "disable"
echo " Compile with address-sanitizer"
usage_with_default "--enable/disable-ub-sanitizer" "$UBSAN" "enable" "disable"
@@ -263,6 +266,8 @@ for opt in "$@"; do
--disable-valgrind) VALGRIND=0;;
--enable-static) STATIC=1;;
--disable-static) STATIC=0;;
--enable-coverage) CLANG_COVERAGE=1;;
--disable-coverage) CLANG_COVERAGE=0;;
--enable-address-sanitizer) ASAN=1;;
--disable-address-sanitizer) ASAN=0;;
--enable-ub-sanitizer) UBSAN=1;;
@@ -294,6 +299,17 @@ if [ "$ASAN" = "1" ]; then
fi
fi
if [ "$CLANG_COVERAGE" = "1" ]; then
case "$CC" in
(*"clang"*)
;;
(*)
echo "Clang coverage requires building with CC=clang."
exit 1
;;
esac
fi
if [ "$FUZZING" = "1" ]; then
case "$CC" in
(*"clang"*)
@@ -480,6 +496,7 @@ add_var DEVELOPER "$DEVELOPER" $CONFIG_HEADER.$$
add_var COMPAT "$COMPAT" $CONFIG_HEADER.$$
add_var PYTEST "$PYTEST"
add_var STATIC "$STATIC"
add_var CLANG_COVERAGE "$CLANG_COVERAGE"
add_var ASAN "$ASAN"
add_var UBSAN "$UBSAN"
add_var TEST_NETWORK "$TEST_NETWORK"