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Merge pull request #5797 from harold-b/hb.export-linked-libs

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Add build flag to export the linked libraries
This commit is contained in:
gingerBill
2025-10-12 10:52:50 +01:00
committed by GitHub
parent 85005babc2 612b219230
commit d267891ac9
2 changed files with 73 additions and 0 deletions
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71
src/main.cpp
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@@ -391,6 +391,7 @@ enum BuildFlagKind {
BuildFlag_MinLinkLibs,
BuildFlag_PrintLinkerFlags,
BuildFlag_ExportLinkedLibraries,
BuildFlag_IntegerDivisionByZero,
@@ -616,6 +617,7 @@ gb_internal bool parse_build_flags(Array<String> args) {
add_flag(&build_flags, BuildFlag_MaxErrorCount, str_lit("max-error-count"), BuildFlagParam_Integer, Command_all);
add_flag(&build_flags, BuildFlag_MinLinkLibs, str_lit("min-link-libs"), BuildFlagParam_None, Command__does_build);
add_flag(&build_flags, BuildFlag_ExportLinkedLibraries, str_lit("export-linked-libs-file"), BuildFlagParam_String, Command__does_check);
add_flag(&build_flags, BuildFlag_PrintLinkerFlags, str_lit("print-linker-flags"), BuildFlagParam_None, Command_build);
@@ -1547,6 +1549,14 @@ gb_internal bool parse_build_flags(Array<String> args) {
build_context.min_link_libs = true;
break;
case BuildFlag_ExportLinkedLibraries:
build_context.export_linked_libs_path = string_trim_whitespace(value.value_string);
if (build_context.export_linked_libs_path.len == 0) {
gb_printf_err("-%.*s specified an empty path\n", LIT(name));
bad_flags = true;
}
break;
case BuildFlag_PrintLinkerFlags:
build_context.print_linker_flags = true;
break;
@@ -2262,6 +2272,63 @@ gb_internal void export_dependencies(Checker *c) {
}
}
gb_internal void export_linked_libraries(LinkerData *gen) {
gbFile f = {};
char * fileName = (char *)build_context.export_linked_libs_path.text;
gbFileError err = gb_file_open_mode(&f, gbFileMode_Write, fileName);
if (err != gbFileError_None) {
gb_printf_err("Failed to export linked library list to: %s\n", fileName);
exit_with_errors();
return;
}
defer (gb_file_close(&f));
StringSet min_libs_set = {};
string_set_init(&min_libs_set, 64);
defer (string_set_destroy(&min_libs_set));
for (auto *e : gen->foreign_libraries) {
GB_ASSERT(e->kind == Entity_LibraryName);
for (auto lib_path : e->LibraryName.paths) {
lib_path = string_trim_whitespace(lib_path);
if (lib_path.len == 0) {
continue;
}
if (string_set_update(&min_libs_set, lib_path)) {
continue;
}
gb_fprintf(&f, "%.*s\t", LIT(lib_path));
String ext = path_extension(lib_path, false);
if (str_eq_ignore_case(ext, "a") || str_eq_ignore_case(ext, "lib") ||
str_eq_ignore_case(ext, "o") || str_eq_ignore_case(ext, "obj")
) {
gb_fprintf(&f, "static");
} else {
gb_fprintf(&f, "dynamic");
}
gb_fprintf(&f, "\t");
ast_node(imp, ForeignImportDecl, e->LibraryName.decl);
for (Ast* file_path : imp->filepaths) {
GB_ASSERT(file_path->tav.mode == Addressing_Constant && file_path->tav.value.kind == ExactValue_String);
String file_path_str = file_path->tav.value.value_string;
if (string_starts_with(file_path_str, str_lit("system:"))) {
gb_fprintf(&f, "system");
} else {
gb_fprintf(&f, "user");
}
}
gb_fprintf(&f, "\n");
}
}
}
gb_internal void remove_temp_files(lbGenerator *gen) {
if (build_context.keep_temp_files) return;
@@ -3940,6 +4007,10 @@ int main(int arg_count, char const **arg_ptr) {
export_dependencies(checker);
}
return result;
} else {
if (build_context.export_linked_libs_path != "") {
export_linked_libraries(gen);
}
}
break;
}