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Add -MG

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This option allows for automatic dependency detection and generation:
as soon as a missing file is found, it is output to the dep file, and
assembly immediately aborts. (No .o file is produced, even if `-o` was
speicified.) This doesn't cause an error, either; the point is that once
the file is added to the dep file, the Makefile is re-parsed, and this
time the file will be generated, so the dep list builds up automatically.
This mimicks GCC's option and behavior.
This commit is contained in:
ISSOtm
2019-09-10 15:09:24 +02:00
parent 0649b360fb
commit 12f2f654dd
5 changed files with 53 additions and 20 deletions
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17
src/asm/main.c
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@@ -47,7 +47,8 @@ uint32_t unionStart[128], unionSize[128];
/* extern int yydebug; */
FILE *dependfile;
bool oGeneratedMissingIncludes;
bool oFailedOnMissingInclude;
bool oGeneratePhonyDeps;
char *tzTargetFileName;
@@ -294,7 +295,7 @@ static void print_usage(void)
{
fputs(
"Usage: rgbasm [-EhLVvw] [-b chars] [-D name[=value]] [-g chars] [-i path]\n"
" [-M depend_file] [-MP] [-MT target_file] [-MQ target_file]\n"
" [-M depend_file] [-MG] [-MP] [-MT target_file] [-MQ target_file]\n"
" [-o out_file] [-p pad_value] [-r depth] [-W warning] <file> ...\n"
"Useful options:\n"
" -E, --export-all export all labels\n"
@@ -331,6 +332,8 @@ int main(int argc, char *argv[])
nMaxRecursionDepth = 64;
oGeneratePhonyDeps = false;
oGeneratedMissingIncludes = true;
oFailedOnMissingInclude = false;
tzTargetFileName = NULL;
size_t nTargetFileNameLen = 0;
@@ -388,7 +391,7 @@ int main(int argc, char *argv[])
newopt.optimizeloads = false;
break;
case 'M':
ep = strchr("PQT", optarg[0]);
ep = strchr("GPQT", optarg[0]);
if (!ep || !*ep || optarg[1]) {
dependfile = fopen(optarg, "w");
if (dependfile == NULL)
@@ -396,6 +399,9 @@ int main(int argc, char *argv[])
optarg);
} else {
switch (optarg[0]) {
case 'G':
oGeneratedMissingIncludes = true;
break;
case 'P':
oGeneratePhonyDeps = true;
break;
@@ -511,6 +517,8 @@ int main(int argc, char *argv[])
if (yyparse() != 0 || nbErrors != 0)
errx(1, "Assembly aborted (%ld errors)!", nbErrors);
if (dependfile)
fclose(dependfile);
if (nIFDepth != 0)
errx(1, "Unterminated IF construct (%ld levels)!", nIFDepth);
@@ -535,6 +543,9 @@ int main(int argc, char *argv[])
(int)(60 / timespent * nTotalLines));
}
if (oFailedOnMissingInclude)
return 0;
/* If no path specified, don't write file */
if (tzObjectname != NULL)
out_WriteObject();