Fixed cpu module: Provide stub implementation for parseCpuFrequencies

meson.build

@@ -201,6 +201,8 @@ elif is_dragonfly or is_freebsd or is_netbsd or is_openbsd
     add_project_arguments('-DHAVE_MEMORY_BSD', language: 'cpp')
     src_files += files(
         'src/modules/cpu.cpp',
+        'src/modules/cpu_frequency/bsd.cpp',
+        'src/modules/cpu_frequency/common.cpp',
         'src/modules/cpu_usage/bsd.cpp',
         'src/modules/cpu_usage/common.cpp',
         'src/modules/memory/bsd.cpp',

src/factory.cpp

@@ -99,9 +99,11 @@ waybar::AModule* waybar::Factory::makeModule(const std::string& name) const {
     if (ref == "cpu") {
       return new waybar::modules::Cpu(id, config_[name]);
     }
+#if defined(HAVE_CPU_LINUX)
     if (ref == "cpu_frequency") {
       return new waybar::modules::CpuFrequency(id, config_[name]);
     }
+#endif
     if (ref == "cpu_usage") {
       return new waybar::modules::CpuUsage(id, config_[name]);
     }

src/modules/cpu_frequency/bsd.cpp

@@ -0,0 +1,15 @@
+#include <spdlog/spdlog.h>
+
+#include <cmath>    // NAN
+
+#include "modules/cpu_frequency.hpp"
+
+std::vector<float> waybar::modules::CpuFrequency::parseCpuFrequencies() {
+  static std::vector<float> frequencies;
+  if (frequencies.empty()) {
+    spdlog::warn(
+        "cpu/bsd: parseCpuFrequencies is not implemented, expect garbage in {*_frequency}");
+    frequencies.push_back(NAN);
+  }
+  return frequencies;
+}