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zig cc: detect optimization and debug flags

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This commit is contained in:
Andrew Kelley
2020-03-21 22:30:46 -04:00
parent 4b0ddb817b
commit 2b65dc1032
7 changed files with 159 additions and 24 deletions
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41
src/main.cpp
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@@ -580,6 +580,7 @@ static int main0(int argc, char **argv) {
return stage2_fmt(argc, argv);
} else if (argc >= 2 && strcmp(argv[1], "cc") == 0) {
emit_h = false;
strip = true;
bool c_arg = false;
Stage2ClangArgIterator it;
@@ -664,6 +665,42 @@ static int main0(int argc, char **argv) {
case Stage2ClangArgPreprocess:
only_preprocess = true;
break;
case Stage2ClangArgOptimize:
// alright what release mode do they want?
if (strcmp(it.only_arg, "Os") == 0) {
build_mode = BuildModeSmallRelease;
} else if (strcmp(it.only_arg, "O2") == 0 ||
strcmp(it.only_arg, "O3") == 0 ||
strcmp(it.only_arg, "O4") == 0)
{
build_mode = BuildModeFastRelease;
} else if (strcmp(it.only_arg, "Og") == 0) {
build_mode = BuildModeDebug;
} else {
for (size_t i = 0; i < it.other_args_len; i += 1) {
clang_argv.append(it.other_args_ptr[i]);
}
}
break;
case Stage2ClangArgDebug:
strip = false;
if (strcmp(it.only_arg, "-g") == 0) {
// we handled with strip = false above
} else {
for (size_t i = 0; i < it.other_args_len; i += 1) {
clang_argv.append(it.other_args_ptr[i]);
}
}
break;
case Stage2ClangArgSanitize:
if (strcmp(it.only_arg, "undefined") == 0) {
want_sanitize_c = WantCSanitizeEnabled;
} else {
for (size_t i = 0; i < it.other_args_len; i += 1) {
clang_argv.append(it.other_args_ptr[i]);
}
}
break;
}
}
// Parse linker args
@@ -715,6 +752,10 @@ static int main0(int argc, char **argv) {
}
}
if (want_sanitize_c == WantCSanitizeEnabled && build_mode == BuildModeFastRelease) {
build_mode = BuildModeSafeRelease;
}
if (!nostdlib && !have_libc) {
have_libc = true;
link_libs.append("c");