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freebsd-ports/lang/tcc/files/patch-z1-preproc
Luigi Rizzo 17093cca0d Update files/README.tccelf files/patch-libtcc.c to reflect some 
fixes i made recently.
Add files/patch-z1-preproc which implements -include, -M and some
related preprocessing macros to improve portability
Bump portrevision accordingly

Should close PR/141185
2009-12-06 15:08:37 +00:00

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diff -ubwr --exclude .svn ./libtcc.c /usr/ports-luigi/tcc/work/tcc-0.9.25/libtcc.c
--- ./libtcc.c 2009-12-06 14:35:51.000000000 +0100
+++ /usr/ports-luigi/tcc/work/tcc-0.9.25/libtcc.c 2009-12-06 14:34:34.000000000 +0100
@@ -1108,7 +1108,15 @@
bf->fd = fd;
bf->buf_ptr = bf->buffer;
bf->buf_end = bf->buffer;
+ if (s1->include_len <= 0) {
bf->buffer[0] = CH_EOB; /* put eob symbol */
+ } else { /* add the list of -include */
+ if (s1->include_len >= sizeof(bf->buffer))
+ error("too many '-include directives %s\n", s1->include_buf);
+ memcpy(bf->buf_ptr, s1->include_buf, s1->include_len);
+ bf->buffer[s1->include_len] = CH_EOB; /* put eob symbol */
+ s1->include_len = -s1->include_len;
+ }
pstrcpy(bf->filename, sizeof(bf->filename), filename);
#ifdef _WIN32
normalize_slashes(bf->filename);
@@ -1945,6 +1955,9 @@
if (ext[0])
ext++;
+ /* enable -include on each new file */
+ if (s1->include_len < 0)
+ s1->include_len = -s1->include_len;
/* open the file */
saved_file = file;
file = tcc_open(s1, filename);
@@ -2121,7 +2134,9 @@
{
char buf[1024];
- s->output_type = output_type;
+ s->output_type = output_type & 7;
+ s->mode_m = output_type & 8;
+ output_type = s->output_type;
if (!s->nostdinc) {
/* default include paths */
diff -ubwr --exclude .svn ./tcc.c /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.c
--- ./tcc.c 2009-05-18 16:27:06.000000000 +0200
+++ /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.c 2009-12-06 13:42:09.000000000 +0100
@@ -66,6 +66,7 @@
static int multiple_files;
static int print_search_dirs;
static int output_type;
+static int mode_m;
static int reloc_output;
static const char *outfile;
static int do_bench = 0;
@@ -111,6 +112,10 @@
TCC_OPTION_w,
TCC_OPTION_pipe,
TCC_OPTION_E,
+ TCC_OPTION_M, /* -M and related options */
+ TCC_OPTION_std, /* -std= */
+ TCC_OPTION_isystem, /* -isystem x */
+ TCC_OPTION_include, /* -include x */
};
static const TCCOption tcc_options[] = {
@@ -148,6 +153,10 @@
{ "w", TCC_OPTION_w, 0 },
{ "pipe", TCC_OPTION_pipe, 0},
{ "E", TCC_OPTION_E, 0},
+ { "M", TCC_OPTION_M, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+ { "std=", TCC_OPTION_std, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
+ { "isystem", TCC_OPTION_isystem, TCC_OPTION_HAS_ARG },
+ { "include", TCC_OPTION_include, TCC_OPTION_HAS_ARG },
{ NULL },
};
@@ -399,10 +408,45 @@
}
}
break;
+ case TCC_OPTION_include:
+ {
+ int len = strlen(optarg) + s->include_len + 12; /* #include ""\n */
+ char *dst;
+ s->include_buf = (s->include_len == 0) ?
+ tcc_malloc(len + 1) :
+ tcc_realloc(s->include_buf, len + 1);
+ dst = s->include_buf + s->include_len;
+ sprintf(dst, "#include \"%s\"\n", optarg);
+ s->include_len = len; /* exclude '\0' */
+ }
+ break;
+ case TCC_OPTION_isystem:
+ break; /* ignore isystem */
+ case TCC_OPTION_std:
+ break; /* ignore -std= */
+ case TCC_OPTION_M:
+ mode_m |= 8;
+ if (optarg[0] == '\0') /* plain -M */
+ ;
+ else if (optarg[0] == 'D') /* add output filename */
+ ;
+ else if (optarg[0] == 'F') { /* output filename */
+ if (optind < argc)
+ outfile = argv[optind++];
+ } else if (optarg[0] == 'T') { /* target filename */
+ if (optind < argc)
+ s->target_name = argv[optind++];
+ } else if (optarg[0] == 'P') { /* phony filename */
+ ;
+ } else {
+ goto l_default;
+ }
+ /* FALLTHROUGH */
case TCC_OPTION_E:
output_type = TCC_OUTPUT_PREPROCESS;
break;
default:
+l_default:
if (s->warn_unsupported) {
unsupported_option:
warning("unsupported option '%s'", r);
@@ -502,7 +546,7 @@
start_time = getclock_us();
}
- tcc_set_output_type(s, output_type);
+ tcc_set_output_type(s, output_type | mode_m);
/* compile or add each files or library */
for(i = 0; i < nb_files && ret == 0; i++) {
diff -ubwr --exclude .svn ./tcc.h /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.h
--- ./tcc.h 2009-05-18 16:27:06.000000000 +0200
+++ /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.h 2009-12-06 13:28:32.000000000 +0100
@@ -475,6 +475,10 @@
/* output file for preprocessing */
FILE *outfile;
+ int mode_m; /* tcc -M */
+ const char *target_name; /* set with -MT or -MQ */
+ char *include_buf; /* -include ... */
+ int include_len; /* length of -include ... */
/* for tcc_relocate */
int runtime_added;
diff -ubwr --exclude .svn ./tccpp.c /usr/ports-luigi/tcc/work/tcc-0.9.25/tccpp.c
--- ./tccpp.c 2009-05-18 16:27:06.000000000 +0200
+++ /usr/ports-luigi/tcc/work/tcc-0.9.25/tccpp.c 2009-12-05 15:18:13.000000000 +0100
@@ -2897,6 +2897,7 @@
Sym *define_start;
BufferedFile *file_ref;
int token_seen, line_ref;
+ const char *base_file;
preprocess_init(s1);
define_start = define_stack;
@@ -2908,6 +2909,15 @@
line_ref = 0;
file_ref = NULL;
+ base_file = file->filename;
+ if (s1->mode_m) {
+ int l = strlen(base_file);
+ if (s1->target_name)
+ fprintf(s1->outfile, "%s: %s", s1->target_name, base_file);
+ else
+ fprintf(s1->outfile, "%.*s.o: %s", l-2, base_file, base_file);
+ }
+
for (;;) {
next();
if (tok == TOK_EOF) {
@@ -2919,16 +2929,25 @@
token_seen = 0;
} else if (!token_seen) {
int d = file->line_num - line_ref;
+ if (s1->mode_m) {
+ if (file != file_ref && file->filename != base_file &&
+ !search_cached_include(s1, '>', file->filename))
+ fprintf(s1->outfile, " \\\n %s", file->filename);
+ } else {
if (file != file_ref || d < 0 || d >= 8)
fprintf(s1->outfile, "# %d \"%s\"\n", file->line_num, file->filename);
else
while (d)
fputs("\n", s1->outfile), --d;
+ }
line_ref = (file_ref = file)->line_num;
token_seen = 1;
}
+ if (!s1->mode_m)
fputs(get_tok_str(tok, &tokc), s1->outfile);
}
+ if (s1->mode_m)
+ fprintf(s1->outfile, "\n");
free_defines(define_start);
return 0;
}
diff -ubwr --exclude .svn ./tcc.c /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.c
--- ./tcc.c 2009-12-06 15:42:02.000000000 +0100
+++ /usr/ports-luigi/tcc/work/tcc-0.9.25/tcc.c 2009-12-06 15:42:40.000000000 +0100
@@ -40,8 +40,11 @@
"Preprocessor options:\n"
" -E preprocess only\n"
" -Idir add include path 'dir'\n"
+ " -include f #include file 'f' before everything else\n"
" -Dsym[=val] define 'sym' with value 'val'\n"
" -Usym undefine 'sym'\n"
+ " -M generate include list. Implies -E\n"
+ " -MT file use 'file' as target for -M.\n"
"Linker options:\n"
" -Ldir add library path 'dir'\n"
" -llib link with dynamic or static library 'lib'\n"
@@ -58,6 +61,12 @@
#ifdef CONFIG_TCC_BACKTRACE
" -bt N show N callers in stack traces\n"
#endif
+ "Ignored options (for gcc compatibility):\n"
+ " -std=X \n"
+ " -MD name\n"
+ " -MP\n"
+ " -isystem dir\n"
+
);
}
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