66 lines
1.9 KiB
Diff
66 lines
1.9 KiB
Diff
commit ab0cc6067d5a00182e89fbec82b942eb3d803204
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Author: Patrick Georgi <pgeorgi@google.com>
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Date: Fri Nov 22 22:08:15 2019 +0100
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util/kconfig: Allow emitting false booleans into kconfig output
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This is controlled by an environment variable so the same tool is
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useful in different contexts.
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Change-Id: I9e62b05e45709f1539e455e2eed37308609be15e
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Signed-off-by: Patrick Georgi <pgeorgi@google.com>
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Index: kconfig/confdata.c
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===================================================================
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--- kconfig.orig/confdata.c
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+++ kconfig/confdata.c
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@@ -725,7 +725,12 @@ static void print_symbol_for_dotconfig(F
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static void print_symbol_for_autoconf(FILE *fp, struct symbol *sym)
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{
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- __print_symbol(fp, sym, OUTPUT_N_NONE, false);
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+ int print_negatives = getenv("KCONFIG_NEGATIVES") != NULL;
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+ enum output_n out = OUTPUT_N_NONE;
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+ if (print_negatives) {
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+ out = OUTPUT_N;
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+ }
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+ __print_symbol(fp, sym, out, false);
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}
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void print_symbol_for_listconfig(struct symbol *sym)
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@@ -750,6 +755,10 @@ static void print_symbol_for_c(FILE *fp,
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case S_TRISTATE:
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switch (*val) {
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case 'n':
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+ if (getenv("KCONFIG_NEGATIVES") != NULL) {
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+ val = "0";
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+ break;
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+ }
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return;
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case 'm':
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sym_suffix = "_MODULE";
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@@ -761,6 +770,12 @@ static void print_symbol_for_c(FILE *fp,
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case S_HEX:
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if (val[0] != '0' || (val[1] != 'x' && val[1] != 'X'))
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val_prefix = "0x";
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+ /* fall through */
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+ case S_INT:
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+ if (val[0] == '\0') {
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+ val = "0";
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+ val_prefix = "";
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+ }
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break;
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case S_STRING:
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escaped = escape_string_value(val);
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@@ -1177,8 +1192,9 @@ static int __conf_write_autoconf(const c
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conf_write_heading(file, comment_style);
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+ int print_negatives = getenv("KCONFIG_NEGATIVES") != NULL;
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for_all_symbols(i, sym)
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- if ((sym->flags & SYMBOL_WRITE) && sym->name)
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+ if (((sym->flags & SYMBOL_WRITE) || (print_negatives && sym->type != S_STRING)) && sym->name)
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print_symbol(file, sym);
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fflush(file);
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