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SUITE_depend_SETUP() {
unset CCACHE_NODIRECT
cat <<EOF >test.c
// test.c
#include "test1.h"
#include "test2.h"
EOF
cat <<EOF >test1.h
#include "test3.h"
int test1;
EOF
cat <<EOF >test2.h
int test2;
EOF
cat <<EOF >test3.h
int test3;
EOF
backdate test1.h test2.h test3.h
$REAL_COMPILER -c -Wp,-MD,expected.d test.c
$REAL_COMPILER -c -Wp,-MMD,expected_mmd.d test.c
rm test.o
DEPSFLAGS_REAL="-MP -MMD -MF reference_test.d"
DEPSFLAGS_CCACHE="-MP -MMD -MF test.d"
}
set_up_different_sets_of_headers_test() {
BASEDIR=$(pwd)
BASEDIR1="$BASEDIR/test/dir1"
BASEDIR2="$BASEDIR/test/dir2"
BASEDIR3="$BASEDIR/test/dir3"
BASEDIR4="$BASEDIR/test/dir4"
mkdir -p $BASEDIR1 $BASEDIR2 $BASEDIR3 $BASEDIR4
cat <<EOF >$BASEDIR1/test.c
#include "header.h"
#include <stdio.h>
void test(){
#ifdef CHANGE_THAT_AFFECTS_OBJECT_FILE
printf("with change");
#else
printf("no change");
#endif
}
EOF
cp -f "$BASEDIR1/test.c" $BASEDIR2
cp -f "$BASEDIR1/test.c" $BASEDIR3
cp -f "$BASEDIR1/test.c" $BASEDIR4
cat <<EOF >"$BASEDIR1/header.h"
void test();
EOF
cat <<EOF >"$BASEDIR2/header.h"
#define CHANGE_THAT_AFFECTS_OBJECT_FILE
void test();
EOF
cat <<EOF >"$BASEDIR3/header.h"
#define CHANGE_THAT_DOES_NOT_AFFECT_OBJECT_FILE
void test();
EOF
cat <<EOF >"$BASEDIR4/header.h"
#include "header2.h"
void test();
EOF
cat <<EOF >"$BASEDIR4/header2.h"
static void some_function(){};
EOF
backdate "$BASEDIR1/header.h" "$BASEDIR1/test.c"
backdate "$BASEDIR2/header.h" "$BASEDIR2/test.c"
backdate "$BASEDIR3/header.h" "$BASEDIR3/test.c"
backdate "$BASEDIR4/header.h" "$BASEDIR4/test.c" "$BASEDIR4/header2.h"
DEPFLAGS="-MD -MF test.d"
}
generate_reference_compiler_output() {
rm -f *.o *.d
$REAL_COMPILER $DEPFLAGS -c -o test.o test.c
mv test.o reference_test.o
mv test.d reference_test.d
}
SUITE_depend() {
# -------------------------------------------------------------------------
TEST "Base case"
$REAL_COMPILER $DEPSFLAGS_REAL -c -o reference_test.o test.c
CCACHE_DEPEND=1 $CCACHE_COMPILE $DEPSFLAGS_CCACHE -c test.c
expect_equal_object_files reference_test.o test.o
expect_stat 'cache hit (direct)' 0
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3 # .o + .manifest + .d
CCACHE_DEPEND=1 $CCACHE_COMPILE $DEPSFLAGS_CCACHE -c test.c
expect_equal_object_files reference_test.o test.o
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3
# -------------------------------------------------------------------------
TEST "No dependency file"
CCACHE_DEPEND=1 $CCACHE_COMPILE -MP -MMD -MF /dev/null -c test.c
expect_stat 'cache hit (direct)' 0
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 2 # .o + .manifest
CCACHE_DEPEND=1 $CCACHE_COMPILE -MP -MMD -MF /dev/null -c test.c
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 2
# -------------------------------------------------------------------------
TEST "No explicit dependency file"
$REAL_COMPILER $DEPSFLAGS_REAL -c -o reference_test.o test.c
CCACHE_DEPEND=1 $CCACHE_COMPILE -MD -c test.c
expect_equal_object_files reference_test.o test.o
expect_stat 'cache hit (direct)' 0
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3 # .o + .manifest + .d
CCACHE_DEPEND=1 $CCACHE_COMPILE -MD -c test.c
expect_equal_object_files reference_test.o test.o
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3
# -------------------------------------------------------------------------
TEST "Dependency file paths converted to relative if CCACHE_BASEDIR specified"
CCACHE_DEPEND=1 CCACHE_BASEDIR="`pwd`" $CCACHE_COMPILE $DEPSFLAGS_CCACHE -c "`pwd`/test.c"
if grep -q "[^.]/test.c" "test.d"; then
test_failed "Dependency file does not contain relative path to test.c"
fi
# -------------------------------------------------------------------------
TEST "stderr from both preprocessor and compiler"
cat <<EOF >cpp-warning.c
#if FOO
// Trigger preprocessor warning about extra token after #endif.
#endif FOO
int stderr(void)
{
// Trigger compiler warning by having no return statement.
}
EOF
$REAL_COMPILER -MD -Wall -W -c cpp-warning.c 2>stderr-baseline.txt
CCACHE_DEPEND=1 $CCACHE_COMPILE -MD -Wall -W -c cpp-warning.c 2>stderr-orig.txt
expect_stat 'cache hit (direct)' 0
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_file_content stderr-orig.txt "`cat stderr-baseline.txt`"
CCACHE_DEPEND=1 $CCACHE_COMPILE -MD -Wall -W -c cpp-warning.c 2>stderr-mf.txt
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_file_content stderr-mf.txt "`cat stderr-baseline.txt`"
# -------------------------------------------------------------------------
# This test case covers a case in depend mode with unchanged source file
# between compilations, but with changed headers. Header contents do not
# affect the common hash (by which .manifest is stored in cache), only the
# object's hash.
#
# dir1 is baseline
# dir2 has a change in header which affects object file
# dir3 has a change in header which does not affect object file
# dir4 has an additional include header which should change the dependency file
TEST "Different sets of headers for the same source code"
set_up_different_sets_of_headers_test
# Compile dir1.
cd $BASEDIR1
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR1 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 0
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3 # .o + .manifest + .d
# Recompile dir1 first time.
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR1 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 1
expect_stat 'files in cache' 3
# Compile dir2. dir2 header changes the object file compared to dir1.
cd $BASEDIR2
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR2 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 2
expect_stat 'files in cache' 5 # 2x .o, 2x .d, 1x manifest
# Compile dir3. dir3 header change does not change object file compared to
# dir1, but ccache still adds an additional .o/.d file in the cache due to
# different contents of the header file.
cd $BASEDIR3
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR3 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 3
expect_stat 'files in cache' 7 # 3x .o, 3x .d, 1x manifest
# Compile dir4. dir4 header adds a new dependency.
cd $BASEDIR4
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR4 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_different_files reference_test.d $BASEDIR1/test.d
expect_stat 'cache hit (direct)' 1
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 4
expect_stat 'files in cache' 9 # 4x .o, 4x .d, 1x manifest
# Recompile dir1 second time.
cd $BASEDIR1
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR1 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 2
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 4
expect_stat 'files in cache' 9
# Recompile dir2.
cd $BASEDIR2
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR2 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 3
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 4
expect_stat 'files in cache' 9
# Recompile dir3.
cd $BASEDIR3
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR3 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_stat 'cache hit (direct)' 4
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 4
expect_stat 'files in cache' 9
# Recompile dir4.
cd $BASEDIR4
generate_reference_compiler_output
CCACHE_DEPEND=1 CCACHE_BASEDIR=$BASEDIR4 $CCACHE_COMPILE $DEPFLAGS -c test.c
expect_equal_object_files reference_test.o test.o
expect_equal_files reference_test.d test.d
expect_different_files reference_test.d $BASEDIR1/test.d
expect_stat 'cache hit (direct)' 5
expect_stat 'cache hit (preprocessed)' 0
expect_stat 'cache miss' 4
expect_stat 'files in cache' 9
# -------------------------------------------------------------------------
# TODO: Add more test cases (see direct.bash for inspiration)
}
|