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SUITE_modules_PROBE() {
if ! $COMPILER_TYPE_CLANG || $COMPILER_USES_MSVC; then
echo "-fmodules/-fcxx-modules not supported by compiler"
else
echo '#include <string>' >testmodules.cpp
$COMPILER -x c++ -fmodules testmodules.cpp -S || echo "compiler does not support modules"
fi
}
SUITE_modules_SETUP() {
unset CCACHE_NODIRECT
export CCACHE_DEPEND=1
cat <<EOF >test1.h
#include <string>
EOF
backdate test1.h
cat <<EOF >module.modulemap
module "Test1" {
header "test1.h"
export *
}
EOF
backdate module.modulemap
cat <<EOF >test1.cpp
#import "test1.h"
int main() { return 0; }
EOF
}
SUITE_modules() {
# -------------------------------------------------------------------------
TEST "fall back to real compiler, no sloppiness"
$CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat could_not_use_modules 1
$CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat could_not_use_modules 2
# -------------------------------------------------------------------------
TEST "fall back to real compiler, no depend mode"
unset CCACHE_DEPEND
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat could_not_use_modules 1
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat could_not_use_modules 2
# -------------------------------------------------------------------------
TEST "cache hit"
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat direct_cache_hit 0
expect_stat cache_miss 1
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat direct_cache_hit 1
expect_stat cache_miss 1
# -------------------------------------------------------------------------
TEST "cache miss"
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -MD -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat cache_miss 1
cat <<EOF >test1.h
#include <string>
void f();
EOF
backdate test1.h
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -MD -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat cache_miss 2
echo >>module.modulemap
backdate test1.h
CCACHE_SLOPPINESS="$DEFAULT_SLOPPINESS modules" $CCACHE_COMPILE -MD -x c++ -fmodules -fcxx-modules -c test1.cpp -MD
expect_stat cache_miss 3
}
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