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[M6] resolver: pkg-config probe + codegen for PkgConfig

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This commit is contained in:
Amadey Vorontsov
2026-05-15 13:03:03 +00:00
parent 4f9b6f1827
commit 6c4933f282
9 changed files with 319 additions and 9 deletions
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26
src/codegen/cmake.cpp
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@@ -86,11 +86,33 @@ auto emit_find_packages(const std::vector<linkdb::Recipe>& recipes,
return {};
}
std::string out = "\n# ----- dependencies -----\n";
bool pkgconfig_emitted = false;
auto emit_one = [&](const linkdb::Recipe& r) {
if (r.pkg_config_module && !r.pkg_config_module->empty()) {
if (!pkgconfig_emitted) {
out += "find_package(PkgConfig REQUIRED)\n";
pkgconfig_emitted = true;
}
std::string upper;
upper.reserve(r.pkg_config_module->size());
for (char c : *r.pkg_config_module) {
upper += std::isalnum(static_cast<unsigned char>(c))
? static_cast<char>(std::toupper(
static_cast<unsigned char>(c)))
: '_';
}
out += std::format("pkg_check_modules({} REQUIRED IMPORTED_TARGET {})\n",
upper, *r.pkg_config_module);
} else {
out += std::format("find_package({})\n", r.find_package);
}
};
for (const auto& r : recipes) {
out += std::format("find_package({})\n", r.find_package);
emit_one(r);
}
for (const auto& r : dev_recipes) {
out += std::format("find_package({})\n", r.find_package);
emit_one(r);
}
return out;
}

19
src/codegen/flake.cpp
View File

@@ -167,6 +167,18 @@ auto flake_nix(const GenerateInputs& in) -> std::string {
out += emit_inputs_block(pinned);
const bool any_pkg_config =
std::ranges::any_of(in.recipes,
[](const linkdb::Recipe& r) {
return r.pkg_config_module &&
!r.pkg_config_module->empty();
}) ||
std::ranges::any_of(in.dev_recipes,
[](const linkdb::Recipe& r) {
return r.pkg_config_module &&
!r.pkg_config_module->empty();
});
out += "\n";
out += " outputs = ";
out += emit_outputs_params(pinned);
@@ -181,8 +193,11 @@ auto flake_nix(const GenerateInputs& in) -> std::string {
" version = \"1.0\";\n"
" nativeBuildInputs = [\n"
" pkgs.ninja\n"
" pkgs.cmake\n"
" ];\n"
" pkgs.cmake\n";
if (any_pkg_config) {
out += " pkgs.pkg-config\n";
}
out += " ];\n"
" buildInputs = [\n";
out += emit_build_inputs(bindings);
out += " ];\n"