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error messages for attempted cache when zig cannot perfectly do it

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This commit is contained in:
Andrew Kelley 2018-09-11 22:57:39 -04:00
parent 014cc60a72
commit ff0b7fe29a
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GPG Key ID: 4E7CD66038A4D47C
2 changed files with 12 additions and 0 deletions
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6
src/analyze.cpp
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@ -6289,6 +6289,12 @@ LinkLib *add_link_lib(CodeGen *g, Buf *name) {
if (is_libc && g->libc_link_lib != nullptr)
return g->libc_link_lib;
if (g->enable_cache && is_libc && g->zig_target.os != OsMacOSX && g->zig_target.os != OsIOS) {
fprintf(stderr, "TODO linking against libc is currently incompatible with `--cache on`.\n"
"Zig is not yet capable of determining whether the libc installation has changed on subsequent builds.\n");
exit(1);
}
for (size_t i = 0; i < g->link_libs_list.length; i += 1) {
LinkLib *existing_lib = g->link_libs_list.at(i);
if (buf_eql_buf(existing_lib->name, name)) {

6
src/ir.cpp
View File

@ -17961,6 +17961,12 @@ static ZigType *ir_analyze_instruction_type_name(IrAnalyze *ira, IrInstructionTy
}
static ZigType *ir_analyze_instruction_c_import(IrAnalyze *ira, IrInstructionCImport *instruction) {
if (ira->codegen->enable_cache) {
ir_add_error(ira, &instruction->base,
buf_sprintf("TODO @cImport is incompatible with --cache on. The cache system currently is unable to detect subsequent changes in .h files."));
return ira->codegen->builtin_types.entry_invalid;
}
AstNode *node = instruction->base.source_node;
assert(node->type == NodeTypeFnCallExpr);
AstNode *block_node = node->data.fn_call_expr.params.at(0);