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Add -MF option

This commit is contained in:
Rui Ueyama 2020-08-18 12:27:27 +09:00
parent d0c4667b6b
commit 95d5a46234
2 changed files with 21 additions and 2 deletions
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18
main.c
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@ -15,6 +15,7 @@ static bool opt_S;
static bool opt_c;
static bool opt_cc1;
static bool opt_hash_hash_hash;
static char *opt_MF;
static char *opt_o;
static StringArray ld_extra_args;
@ -31,7 +32,7 @@ static void usage(int status) {
}
static bool take_arg(char *arg) {
char *x[] = {"-o", "-I", "-idirafter", "-include", "-x"};
char *x[] = {"-o", "-I", "-idirafter", "-include", "-x", "-MF"};
for (int i = 0; i < sizeof(x) / sizeof(*x); i++)
if (!strcmp(arg, x[i]))
@ -182,6 +183,11 @@ static void parse_args(int argc, char **argv) {
continue;
}
if (!strcmp(argv[i], "-MF")) {
opt_MF = argv[++i];
continue;
}
if (!strcmp(argv[i], "-cc1-input")) {
base_file = argv[++i];
continue;
@ -336,7 +342,15 @@ static void print_tokens(Token *tok) {
// stdout in a format that "make" command can read. This feature is
// used to automate file dependency management.
static void print_dependencies(void) {
FILE *out = open_file(opt_o ? opt_o : "-");
char *path;
if (opt_MF)
path = opt_MF;
else if (opt_o)
path = opt_o;
else
path = "-";
FILE *out = open_file(path);
fprintf(out, "%s:", replace_extn(base_file, ".o"));
File **files = get_input_files();

5
test/driver.sh
View File

@ -228,4 +228,9 @@ touch $tmp/out2.h $tmp/out3.h
$chibicc -M -I$tmp $tmp/out.c | grep -q -z '^out.o: .*/out\.c .*/out2\.h .*/out3\.h'
check -M
# -MF
$chibicc -MF $tmp/mf -M -I$tmp $tmp/out.c
grep -q -z '^out.o: .*/out\.c .*/out2\.h .*/out3\.h' $tmp/mf
check -MF
echo OK