OSO/TinyCC
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A gcc preprocessor option -dD added

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With this option on a defines are included into the output
(inside comments). This will allow to debug a problems like:

    In file included from math.c:8:
    In file included from /usr/include/math.h:43:
    /usr/include/bits/nan.h:52: warning: NAN redefined
This commit is contained in:
seyko
2015-03-03 14:25:57 +03:00
parent 50cdccf3ef
commit b7b9f9f511
4 changed files with 84 additions and 22 deletions
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2
tcc.h
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@ -661,6 +661,7 @@ struct TCCState {
LINE_MACRO_OUTPUT_FORMAT_NONE,
LINE_MACRO_OUTPUT_FORMAT_STD,
} Pflag;
int dflag; /* for keeping a -dD value */
/* for -MD/-MF: collected dependencies for this compilation */
char **target_deps;
@ -1155,6 +1156,7 @@ ST_INLN void define_push(int v, int macro_type, int *str, Sym *first_arg);
ST_FUNC void define_undef(Sym *s);
ST_INLN Sym *define_find(int v);
ST_FUNC void free_defines(Sym *b);
void print_defines(void);
ST_FUNC Sym *label_find(int v);
ST_FUNC Sym *label_push(Sym **ptop, int v, int flags);
ST_FUNC void label_pop(Sym **ptop, Sym *slast);