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zig cc: support more linker args

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This commit is contained in:
Andrew Kelley
2020-04-02 17:29:22 -04:00
parent c1778bd41f
commit 5314641e11
4 changed files with 124 additions and 7 deletions
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35
src/main.cpp
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@@ -459,6 +459,11 @@ static int main0(int argc, char **argv) {
bool ensure_libc_on_non_freestanding = false;
bool ensure_libcpp_on_non_freestanding = false;
bool disable_c_depfile = false;
Buf *linker_optimization = nullptr;
OptionalBool linker_gc_sections = OptionalBoolNull;
OptionalBool linker_allow_shlib_undefined = OptionalBoolNull;
bool linker_z_nodelete = false;
bool linker_z_defs = false;
ZigList<const char *> llvm_argv = {0};
llvm_argv.append("zig (LLVM option parsing)");
@@ -822,6 +827,30 @@ static int main0(int argc, char **argv) {
return EXIT_FAILURE;
}
version_script = linker_args.at(i);
} else if (buf_starts_with_str(arg, "-O")) {
linker_optimization = arg;
} else if (buf_eql_str(arg, "--gc-sections")) {
linker_gc_sections = OptionalBoolTrue;
} else if (buf_eql_str(arg, "--no-gc-sections")) {
linker_gc_sections = OptionalBoolFalse;
} else if (buf_eql_str(arg, "--allow-shlib-undefined")) {
linker_allow_shlib_undefined = OptionalBoolTrue;
} else if (buf_eql_str(arg, "--no-allow-shlib-undefined")) {
linker_allow_shlib_undefined = OptionalBoolFalse;
} else if (buf_eql_str(arg, "-z")) {
i += 1;
if (i >= linker_args.length) {
fprintf(stderr, "expected linker arg after '%s'\n", buf_ptr(arg));
return EXIT_FAILURE;
}
Buf *z_arg = linker_args.at(i);
if (buf_eql_str(z_arg, "nodelete")) {
linker_z_nodelete = true;
} else if (buf_eql_str(z_arg, "defs")) {
linker_z_defs = true;
} else {
fprintf(stderr, "warning: unsupported linker arg: -z %s\n", buf_ptr(z_arg));
}
} else {
fprintf(stderr, "warning: unsupported linker arg: %s\n", buf_ptr(arg));
}
@@ -1542,6 +1571,12 @@ static int main0(int argc, char **argv) {
g->code_model = code_model;
g->disable_c_depfile = disable_c_depfile;
g->linker_optimization = linker_optimization;
g->linker_gc_sections = linker_gc_sections;
g->linker_allow_shlib_undefined = linker_allow_shlib_undefined;
g->linker_z_nodelete = linker_z_nodelete;
g->linker_z_defs = linker_z_defs;
if (override_soname) {
g->override_soname = buf_create_from_str(override_soname);
}