Introduce VIP sysinclude paths which are always searched first

master
Steffen Nurpmeso 2017-09-30 00:13:05 +02:00
parent a1c9051313
commit 1d5e386b0a
5 changed files with 36 additions and 9 deletions

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@ -906,6 +906,7 @@ LIBTCCAPI void tcc_delete(TCCState *s1)
/* free include paths */
dynarray_reset(&s1->cached_includes, &s1->nb_cached_includes);
dynarray_reset(&s1->tccinclude_paths, &s1->nb_tccinclude_paths);
dynarray_reset(&s1->include_paths, &s1->nb_include_paths);
dynarray_reset(&s1->sysinclude_paths, &s1->nb_sysinclude_paths);
dynarray_reset(&s1->cmd_include_files, &s1->nb_cmd_include_files);
@ -946,6 +947,7 @@ LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
if (!s->nostdinc) {
/* default include paths */
/* -isystem paths have already been handled */
tcc_add_tccinclude_path(s, CONFIG_TCC_TCCINCLUDEPATHS);
tcc_add_sysinclude_path(s, CONFIG_TCC_SYSINCLUDEPATHS);
}
@ -983,6 +985,12 @@ LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
return 0;
}
LIBTCCAPI int tcc_add_tccinclude_path(TCCState *s, const char *pathname)
{
tcc_split_path(s, &s->tccinclude_paths, &s->nb_tccinclude_paths, pathname);
return 0;
}
LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname)
{
tcc_split_path(s, &s->include_paths, &s->nb_include_paths, pathname);
@ -1821,7 +1829,7 @@ reparse:
break;
case TCC_OPTION_iwithprefix:
snprintf(buf, sizeof buf, "{B}/%s", optarg);
tcc_add_sysinclude_path(s, buf);
tcc_add_tccinclude_path(s, buf);
break;
case TCC_OPTION_include:
dynarray_add(&s->cmd_include_files,

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@ -32,6 +32,9 @@ LIBTCCAPI void tcc_set_options(TCCState *s, const char *str);
/*****************************/
/* preprocessor */
/* add in tcc include path, searched before anything else */
LIBTCCAPI int tcc_add_tccinclude_path(TCCState *s, const char *pathname);
/* add include path */
LIBTCCAPI int tcc_add_include_path(TCCState *s, const char *pathname);

1
tcc.c
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@ -181,6 +181,7 @@ static void print_search_dirs(TCCState *s)
{
printf("install: %s\n", s->tcc_lib_path);
/* print_dirs("programs", NULL, 0); */
print_dirs("tcc-include", s->tccinclude_paths, s->nb_tccinclude_paths);
print_dirs("include", s->sysinclude_paths, s->nb_sysinclude_paths);
print_dirs("libraries", s->library_paths, s->nb_library_paths);
#ifndef TCC_TARGET_PE

18
tcc.h
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@ -195,13 +195,18 @@ extern long double strtold (const char *__nptr, char **__endptr);
/* Below: {B} is substituted by CONFIG_TCCDIR (rsp. -B option) */
/* system include paths */
#ifndef CONFIG_TCC_SYSINCLUDEPATHS
#ifndef CONFIG_TCC_TCCINCLUDEPATHS
# ifdef TCC_TARGET_PE
# define CONFIG_TCC_SYSINCLUDEPATHS "{B}/include;{B}/include/winapi"
# define CONFIG_TCC_TCCINCLUDEPATHS "{B}/include;{B}/include/winapi"
# else
# define CONFIG_TCC_TCCINCLUDEPATHS "{B}/include"
# endif
#endif
#ifndef CONFIG_TCC_SYSINCLUDEPATHS
# ifndef TCC_TARGET_PE
# define CONFIG_TCC_SYSINCLUDEPATHS \
"{B}/include" \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
ALSO_TRIPLET(CONFIG_SYSROOT "/usr/local/include") \
":" ALSO_TRIPLET(CONFIG_SYSROOT "/usr/include")
# endif
#endif
@ -715,7 +720,10 @@ struct TCCState {
DLLReference **loaded_dlls;
int nb_loaded_dlls;
/* include paths */
/* include paths, search order */
char **tccinclude_paths;
int nb_tccinclude_paths;
char **include_paths;
int nb_include_paths;

13
tccpp.c
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@ -1803,7 +1803,8 @@ ST_FUNC void preprocess(int is_bof)
/* store current file in stack, but increment stack later below */
*s1->include_stack_ptr = file;
i = tok == TOK_INCLUDE_NEXT ? file->include_next_index : 0;
n = 2 + s1->nb_include_paths + s1->nb_sysinclude_paths;
n = 2 + s1->nb_tccinclude_paths + s1->nb_include_paths +
s1->nb_sysinclude_paths;
for (; i < n; ++i) {
char buf1[sizeof file->filename];
CachedInclude *e;
@ -1825,8 +1826,14 @@ ST_FUNC void preprocess(int is_bof)
} else {
/* search in all the include paths */
int j = i - 2, k = j - s1->nb_include_paths;
path = k < 0 ? s1->include_paths[j] : s1->sysinclude_paths[k];
int k, j = i - 2;
if (j < (k = s1->nb_tccinclude_paths))
path = s1->tccinclude_paths[j];
else if ((j -= k) < s1->nb_include_paths)
path = s1->include_paths[j];
else if ((j -= s1->nb_include_paths) < s1->nb_sysinclude_paths)
path = s1->sysinclude_paths[j];
pstrcpy(buf1, sizeof(buf1), path);
pstrcat(buf1, sizeof(buf1), "/");
}