--- /dev/null
+base_tests() {
+ # -------------------------------------------------------------------------
+ TEST "Base case"
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+ expect_equal_object_files reference_test1.o test1.o
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+ expect_equal_object_files reference_test1.o test1.o
+
+ # -------------------------------------------------------------------------
+ TEST "Debug option"
+
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c -g
+ expect_equal_object_files reference_test1.o reference_test1.o
+
+ # -------------------------------------------------------------------------
+ TEST "Output option"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c test1.c -o foo.o
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+ expect_equal_object_files reference_test1.o foo.o
+
+ # -------------------------------------------------------------------------
+ TEST "Output option without space"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c test1.c -odir
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c test1.c -optf
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 1
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+ expect_equal_object_files reference_test1.o dir
+ expect_equal_object_files reference_test1.o ptf
+
+ # -------------------------------------------------------------------------
+ TEST "Called for link"
+
+ $CCACHE_COMPILE test1.c -o test 2>/dev/null
+ expect_stat 'called for link' 1
+
+ $CCACHE_COMPILE -c test1.c
+ $CCACHE_COMPILE test1.o -o test 2>/dev/null
+ expect_stat 'called for link' 2
+
+ # -------------------------------------------------------------------------
+ TEST "No input file"
+
+ $CCACHE_COMPILE -c foo.c 2>/dev/null
+ expect_stat 'no input file' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Called for preprocessing"
+
+ $CCACHE_COMPILE -E -c test1.c >/dev/null 2>&1
+ expect_stat 'called for preprocessing' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Multiple source files"
+
+ touch test2.c
+ $CCACHE_COMPILE -c test1.c test2.c
+ expect_stat 'multiple source files' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Couldn't find the compiler"
+
+ $CCACHE blahblah -c test1.c 2>/dev/null
+ expect_stat "couldn't find the compiler" 1
+
+ # -------------------------------------------------------------------------
+ TEST "Bad compiler arguments"
+
+ $CCACHE_COMPILE -c test1.c -I 2>/dev/null
+ expect_stat 'bad compiler arguments' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Unsupported source language"
+
+ ln -f test1.c test1.ccc
+ $CCACHE_COMPILE -c test1.ccc 2>/dev/null
+ expect_stat 'unsupported source language' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Unsupported compiler option"
+
+ $CCACHE_COMPILE -M foo -c test1.c >/dev/null 2>&1
+ expect_stat 'unsupported compiler option' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Compiler produced stdout"
+
+ $CCACHE echo foo -c test1.c >/dev/null
+ expect_stat 'compiler produced stdout' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Output to a non-regular file"
+
+ mkdir testd
+ $CCACHE_COMPILE -o testd -c test1.c >/dev/null 2>&1
+ rmdir testd >/dev/null 2>&1
+ expect_stat 'output to a non-regular file' 1
+
+ # -------------------------------------------------------------------------
+ TEST "No input file"
+
+ $CCACHE_COMPILE -c -O2 2>/dev/null
+ expect_stat 'no input file' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_DISABLE"
+
+ CCACHE_DISABLE=1 $CCACHE_COMPILE -c test1.c 2>/dev/null
+ if [ -d $CCACHE_DIR ]; then
+ test_failed "$CCACHE_DIR created despite CCACHE_DISABLE being set"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMMENTS"
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+
+ mv test1.c test1-saved.c
+ echo '// initial comment' >test1.c
+ cat test1-saved.c >>test1.c
+ CCACHE_COMMENTS=1 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ echo '// different comment' >test1.c
+ cat test1-saved.c >>test1.c
+ CCACHE_COMMENTS=1 $CCACHE_COMPILE -c test1.c
+ mv test1-saved.c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 2
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+ expect_equal_object_files reference_test1.o test1.o
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_NOSTATS"
+
+ CCACHE_NOSTATS=1 $CCACHE_COMPILE -c test1.c -O -O
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_RECACHE"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ CCACHE_RECACHE=1 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 2
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+ expect_equal_object_files reference_test1.o test1.o
+
+ expect_stat 'files in cache' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Directory is hashed if using -g"
+
+ mkdir dir1 dir2
+ cp test1.c dir1
+ cp test1.c dir2
+
+ cd dir1
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ cd ../dir2
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+ $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "Directory is not hashed if not using -g"
+
+ mkdir dir1 dir2
+ cp test1.c dir1
+ cp test1.c dir2
+
+ cd dir1
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ cd ../dir2
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_NOHASHDIR"
+
+ mkdir dir1 dir2
+ cp test1.c dir1
+ cp test1.c dir2
+
+ cd dir1
+ CCACHE_NOHASHDIR=1 $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ CCACHE_NOHASHDIR=1 $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ cd ../dir2
+ CCACHE_NOHASHDIR=1 $CCACHE_COMPILE -c test1.c -g
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_UNIFY"
+
+ echo '// a silly comment' >>test1.c
+ CCACHE_UNIFY=1 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ echo '// another silly comment' >>test1.c
+ CCACHE_UNIFY=1 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ $REAL_COMPILER -c -o reference_test1.o test1.c
+ expect_equal_object_files reference_test1.o test1.o
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_NLEVELS"
+
+ CCACHE_NLEVELS=4 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+
+ CCACHE_NLEVELS=4 $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+
+ # Directories in $CCACHE_DIR:
+ # - .
+ # - tmp
+ # - a
+ # - a/b
+ # - a/b/c
+ # - a/b/c/d
+ actual_dirs=$(find $CCACHE_DIR -type d | wc -l)
+ expected_dirs=6
+ if [ $actual_dirs -ne $expected_dirs ]; then
+ test_failed "Expected $expected_dirs directories, found $actual_dirs"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_EXTRAFILES"
+
+ echo a >a
+ echo b >b
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ CCACHE_EXTRAFILES="a${PATH_DELIM}b" $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ CCACHE_EXTRAFILES="a${PATH_DELIM}b" $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 2
+
+ echo b2 >b
+
+ CCACHE_EXTRAFILES="a${PATH_DELIM}b" $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 3
+
+ CCACHE_EXTRAFILES="a${PATH_DELIM}b" $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 3
+ expect_stat 'cache miss' 3
+
+ CCACHE_EXTRAFILES="doesntexist" $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 3
+ expect_stat 'cache miss' 3
+ expect_stat 'error hashing extra file' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_PREFIX"
+
+ cat <<'EOF' >prefix-a
+#!/bin/sh
+echo a >>prefix.result
+exec "$@"
+EOF
+ cat <<'EOF' >prefix-b
+#!/bin/sh
+echo b >>prefix.result
+exec "$@"
+EOF
+ chmod +x prefix-a prefix-b
+ cat <<'EOF' >file.c
+int foo;
+EOF
+ PATH=.:$PATH CCACHE_PREFIX="prefix-a prefix-b" $CCACHE_COMPILE -c file.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+ expect_file_content prefix.result "a
+b"
+
+ PATH=.:$PATH CCACHE_PREFIX="prefix-a prefix-b" $CCACHE_COMPILE -c file.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_file_content prefix.result "a
+b"
+
+ rm -f prefix.result
+ PATH=.:$PATH CCACHE_PREFIX_CPP="prefix-a prefix-b" $CCACHE_COMPILE -c file.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 1
+ expect_file_content prefix.result "a
+b"
+
+ # -------------------------------------------------------------------------
+ TEST "Files in cache"
+
+ for i in $(seq 32); do
+ generate_code $i test$i.c
+ $CCACHE_COMPILE -c test$i.c
+ done
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 32
+ expect_stat 'files in cache' 32
+
+ # -------------------------------------------------------------------------
+ TEST "Called for preprocessing"
+
+ $CCACHE_COMPILE -c test1.c -E >test1.i
+ expect_stat 'called for preprocessing' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Direct .i compile"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $REAL_COMPILER -c test1.c -E >test1.i
+ $CCACHE_COMPILE -c test1.i
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-x c"
+
+ ln -f test1.c test1.ccc
+
+ $CCACHE_COMPILE -x c -c test1.ccc
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -x c -c test1.ccc
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-xc"
+
+ ln -f test1.c test1.ccc
+
+ $CCACHE_COMPILE -xc -c test1.ccc
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -xc -c test1.ccc
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-x none"
+
+ $CCACHE_COMPILE -x assembler -x none -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -x assembler -x none -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-x unknown"
+
+ $CCACHE_COMPILE -x unknown -c test1.c 2>/dev/null
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported source language' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-D not hashed"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -DNOT_AFFECTING=1 -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-S"
+
+ $CCACHE_COMPILE -S test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -S test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c test1.s
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ $CCACHE_COMPILE -c test1.s
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_PATH"
+
+ override_path=`pwd`/override_path
+ mkdir $override_path
+ cat >$override_path/cc <<EOF
+#!/bin/sh
+touch override_path_compiler_executed
+EOF
+ chmod +x $override_path/cc
+ CCACHE_PATH=$override_path $CCACHE cc -c test1.c
+ if [ ! -f override_path_compiler_executed ]; then
+ test_failed "CCACHE_PATH had no effect"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=mtime"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+# A comment
+EOF
+ chmod +x compiler.sh
+ backdate compiler.sh
+ CCACHE_COMPILERCHECK=mtime $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ sed_in_place 's/comment/yoghurt/' compiler.sh # Don't change the size
+ chmod +x compiler.sh
+ backdate compiler.sh # Don't change the timestamp
+
+ CCACHE_COMPILERCHECK=mtime $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ touch compiler.sh
+ CCACHE_COMPILERCHECK=mtime $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=content"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+EOF
+ chmod +x compiler.sh
+
+ CCACHE_COMPILERCHECK=content $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ CCACHE_COMPILERCHECK=content $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ echo "# Compiler upgrade" >>compiler.sh
+
+ CCACHE_COMPILERCHECK=content $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=none"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+EOF
+ chmod +x compiler.sh
+
+ CCACHE_COMPILERCHECK=none $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ CCACHE_COMPILERCHECK=none $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ echo "# Compiler upgrade" >>compiler.sh
+ CCACHE_COMPILERCHECK=none $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=string"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+EOF
+ chmod +x compiler.sh
+
+ CCACHE_COMPILERCHECK=string:foo $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ CCACHE_COMPILERCHECK=string:foo $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ CCACHE_COMPILERCHECK=string:bar $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ CCACHE_COMPILERCHECK=string:bar $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=command"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+EOF
+ chmod +x compiler.sh
+
+ CCACHE_COMPILERCHECK='echo %compiler%' $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ echo "# Compiler upgrade" >>compiler.sh
+ CCACHE_COMPILERCHECK="echo ./compiler.sh" $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ cat <<EOF >foobar.sh
+#!/bin/sh
+echo foo
+echo bar
+EOF
+ chmod +x foobar.sh
+ CCACHE_COMPILERCHECK='./foobar.sh' $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 2
+
+ CCACHE_COMPILERCHECK='echo foo; echo bar' $CCACHE ./compiler.sh -c test1.c
+ expect_stat 'cache hit (preprocessed)' 2
+ expect_stat 'cache miss' 2
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_COMPILERCHECK=unknown_command"
+
+ cat >compiler.sh <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+exec $COMPILER "\$@"
+EOF
+ chmod +x compiler.sh
+
+ CCACHE_COMPILERCHECK="unknown_command" $CCACHE ./compiler.sh -c test1.c 2>/dev/null
+ if [ "$?" -eq 0 ]; then
+ test_failed "Expected failure running unknown_command to verify compiler but was success"
+ fi
+ expect_stat 'compiler check failed' 1
+
+ # -------------------------------------------------------------------------
+ TEST "CCACHE_RECACHE should remove previous .stderr"
+
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ num=`find $CCACHE_DIR -name '*.stderr' | wc -l`
+ if [ $num -ne 0 ]; then
+ test_failed "$num stderr files found, expected 0 (#1)"
+ fi
+
+ obj_file=`find $CCACHE_DIR -name '*.o'`
+ stderr_file=`echo $obj_file | sed 's/..$/.stderr/'`
+ echo "Warning: foo" >$stderr_file
+ CCACHE_RECACHE=1 $CCACHE_COMPILE -c test1.c
+ num=`find $CCACHE_DIR -name '*.stderr' | wc -l`
+ if [ $num -ne 0 ]; then
+ test_failed "$num stderr files found, expected 0 (#2)"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST "No object file"
+
+ cat <<'EOF' >test_no_obj.c
+int test_no_obj;
+EOF
+ cat <<'EOF' >prefix-remove.sh
+#!/bin/sh
+"$@"
+[ x$2 = x-fcolor-diagnostics ] && shift
+[ x$2 = x-fdiagnostics-color ] && shift
+[ x$2 = x-std=gnu99 ] && shift
+[ x$3 = x-o ] && rm $4
+EOF
+ chmod +x prefix-remove.sh
+ CCACHE_PREFIX=`pwd`/prefix-remove.sh $CCACHE_COMPILE -c test_no_obj.c
+ expect_stat 'compiler produced no output' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Empty object file"
+
+ cat <<'EOF' >test_empty_obj.c
+int test_empty_obj;
+EOF
+ cat <<'EOF' >prefix-empty.sh
+#!/bin/sh
+"$@"
+[ x$2 = x-fcolor-diagnostics ] && shift
+[ x$2 = x-fdiagnostics-color ] && shift
+[ x$2 = x-std=gnu99 ] && shift
+[ x$3 = x-o ] && cp /dev/null $4
+EOF
+ chmod +x prefix-empty.sh
+ CCACHE_PREFIX=`pwd`/prefix-empty.sh $CCACHE_COMPILE -c test_empty_obj.c
+ expect_stat 'compiler produced empty output' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Caching stderr"
+
+ cat <<EOF >stderr.c
+int stderr(void)
+{
+ // Trigger warning by having no return statement.
+}
+EOF
+ $CCACHE_COMPILE -Wall -W -c stderr.c 2>/dev/null
+ num=`find $CCACHE_DIR -name '*.stderr' | wc -l`
+ if [ $num -ne 1 ]; then
+ test_failed "$num stderr files found, expected 1"
+ fi
+ expect_stat 'files in cache' 2
+
+ # -------------------------------------------------------------------------
+ TEST "--zero-stats"
+
+ $CCACHE_COMPILE -c test1.c
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+
+ $CCACHE -z >/dev/null
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'files in cache' 1
+
+ # -------------------------------------------------------------------------
+ TEST "--clear"
+
+ $CCACHE_COMPILE -c test1.c
+ $CCACHE_COMPILE -c test1.c
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 1
+
+ $CCACHE -C >/dev/null
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+ expect_stat 'files in cache' 0
+
+ # -------------------------------------------------------------------------
+ TEST "-P"
+
+ # Check that -P disables ccache. (-P removes preprocessor information in
+ # such a way that the object file from compiling the preprocessed file will
+ # not be equal to the object file produced when compiling without ccache.)
+
+ $CCACHE_COMPILE -c -P test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported compiler option' 1
+
+ # -------------------------------------------------------------------------
+ TEST "-Wp,-P"
+
+ # Check that -Wp,-P disables ccache. (-P removes preprocessor information
+ # in such a way that the object file from compiling the preprocessed file
+ # will not be equal to the object file produced when compiling without
+ # ccache.)
+
+ $CCACHE_COMPILE -c -Wp,-P test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported compiler option' 1
+
+ $CCACHE_COMPILE -c -Wp,-P,-DFOO test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported compiler option' 2
+
+ $CCACHE_COMPILE -c -Wp,-DFOO,-P test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported compiler option' 3
+
+ # -------------------------------------------------------------------------
+ TEST "-Wp,-D"
+
+ $CCACHE_COMPILE -c -Wp,-DFOO test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE_COMPILE -c -DFOO test1.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Buggy GCC 6 cpp"
+
+ cat >buggy-cpp <<EOF
+#!/bin/sh
+export CCACHE_DISABLE=1 # If $COMPILER happens to be a ccache symlink...
+if echo "\$*" | grep -- -D >/dev/null; then
+ $COMPILER "\$@"
+else
+ # Mistreat the preprocessor output in the same way as GCC 6 does.
+ $COMPILER "\$@" |
+ sed -e '/^# 1 "<command-line>"\$/ a\\
+# 31 "<command-line>"' \\
+ -e 's/^# 1 "<command-line>" 2\$/# 32 "<command-line>" 2/'
+fi
+exit 0
+EOF
+ cat <<'EOF' >file.c
+int foo;
+EOF
+ chmod +x buggy-cpp
+
+ $CCACHE ./buggy-cpp -c file.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 1
+
+ $CCACHE ./buggy-cpp -DNOT_AFFECTING=1 -c file.c
+ expect_stat 'cache hit (direct)' 0
+ expect_stat 'cache hit (preprocessed)' 1
+ expect_stat 'cache miss' 1
+
+ # -------------------------------------------------------------------------
+ TEST "Symlink to source directory"
+
+ mkdir dir
+ cd dir
+ mkdir -p d1/d2
+ echo '#define A "OK"' >d1/h.h
+ cat <<EOF >d1/d2/c.c
+#include <stdio.h>
+#include "../h.h"
+int main() { printf("%s\n", A); }
+EOF
+ echo '#define A "BUG"' >h.h
+ ln -s d1/d2 d3
+
+ CCACHE_BASEDIR=/ $CCACHE_COMPILE -c $PWD/d3/c.c
+ $REAL_COMPILER c.o -o c
+ if [ "$(./c)" != OK ]; then
+ test_failed "Incorrect header file used"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST "Symlink to source file"
+
+ mkdir dir
+ cd dir
+ mkdir d
+ echo '#define A "BUG"' >d/h.h
+ cat <<EOF >d/c.c
+#include <stdio.h>
+#include "h.h"
+int main() { printf("%s\n", A); }
+EOF
+ echo '#define A "OK"' >h.h
+ ln -s d/c.c c.c
+
+ CCACHE_BASEDIR=/ $CCACHE_COMPILE -c $PWD/c.c
+ $REAL_COMPILER c.o -o c
+ if [ "$(./c)" != OK ]; then
+ test_failed "Incorrect header file used"
+ fi
+
+ # -------------------------------------------------------------------------
+ TEST ".incbin"
+
+ cat <<EOF >incbin.c
+char x[] = ".incbin";
+EOF
+
+ $CCACHE_COMPILE -c incbin.c
+ expect_stat 'cache hit (preprocessed)' 0
+ expect_stat 'cache miss' 0
+ expect_stat 'unsupported code directive' 1
++
++ # -------------------------------------------------------------------------
++ TEST "UNCACHED_ERR_FD"
++
++ cat >compiler.sh <<'EOF'
++#!/bin/sh
++if [ "$1" = "-E" ]; then
++ echo preprocessed
++ printf ${N}Pu >&$UNCACHED_ERR_FD
++else
++ echo compiled >test1.o
++ printf ${N}Cc >&2
++ printf ${N}Cu >&$UNCACHED_ERR_FD
++fi
++EOF
++ chmod +x compiler.sh
++
++ N=1 $CCACHE ./compiler.sh -c test1.c 2>stderr.txt
++ stderr=$(cat stderr.txt)
++ expect_stat 'cache hit (preprocessed)' 0
++ expect_stat 'cache miss' 1
++ if [ "$stderr" != "1Pu1Cu1Cc" ]; then
++ test_failed "Unexpected stderr: $stderr != 1Pu1Cu1Cc"
++ fi
++
++ N=2 $CCACHE ./compiler.sh -c test1.c 2>stderr.txt
++ stderr=$(cat stderr.txt)
++ expect_stat 'cache hit (preprocessed)' 1
++ expect_stat 'cache miss' 1
++ if [ "$stderr" != "2Pu1Cc" ]; then
++ test_failed "Unexpected stderr: $stderr != 2Pu1Cc"
++ fi
+}
+
+# =============================================================================
+
+SUITE_base_SETUP() {
+ generate_code 1 test1.c
+}
+
+SUITE_base() {
+ base_tests
+}