redo of the -dD option

    functionality was broken some time ago and was removed
    by the "tccpp: fix issues, add tests"

    fix: LINE_MACRO_OUTPUT_FORMAT_NONE in pp_line()
    means: output '\n' and not "don't output at all"

1 files changed, 16 insertions, 1 deletions

diff --git a/libtcc.c b/libtcc.c
index fb78c37..df98bb0 100644
--- a/libtcc.c
+++ b/libtcc.c
@@ -1567,6 +1567,10 @@ LIBTCCAPI int tcc_set_output_type(TCCState *s, int output_type)
             put_extern_sym(sym, NULL, 0, 0);
     }
 #endif
+
+    if (s->output_type == TCC_OUTPUT_PREPROCESS)
+        print_defines();
+
     return 0;
 }
 
@@ -1843,6 +1847,7 @@ enum {
     TCC_OPTION_g,
     TCC_OPTION_c,
     TCC_OPTION_dumpversion,
+    TCC_OPTION_d,
     TCC_OPTION_float_abi,
     TCC_OPTION_static,
     TCC_OPTION_std,
@@ -1899,6 +1904,7 @@ static const TCCOption tcc_options[] = {
     { "g", TCC_OPTION_g, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
     { "c", TCC_OPTION_c, 0 },
     { "dumpversion", TCC_OPTION_dumpversion, 0},
+    { "d", TCC_OPTION_d, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP },
 #ifdef TCC_TARGET_ARM
     { "mfloat-abi", TCC_OPTION_float_abi, TCC_OPTION_HAS_ARG },
 #endif
@@ -2066,10 +2072,19 @@ PUB_FUNC int tcc_parse_args(TCCState *s, int argc, char **argv)
             s->do_debug = 1;
             break;
         case TCC_OPTION_c:
-    	    if (s->output_type)
+            if (s->output_type)
                 tcc_warning("-c: some compiler action already specified (%d)", s->output_type);
             s->output_type = TCC_OUTPUT_OBJ;
             break;
+        case TCC_OPTION_d:
+            if (*optarg == 'D')
+                s->dflag = 1;
+            else {
+                if (s->warn_unsupported)
+                    goto unsupported_option;
+                tcc_error("invalid option -- '%s'", r);
+            }
+            break;
 #ifdef TCC_TARGET_ARM
         case TCC_OPTION_float_abi:
             /* tcc doesn't support soft float yet */