From fa06d5a76b02018980ccc12fcd52ea96bd894c81 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 9 May 2022 13:19:47 +0200
Subject: Use lld or gold if installed

---
 src/Linker.cpp | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 src/Linker.cpp

(limited to 'src/Linker.cpp')

diff --git a/src/Linker.cpp b/src/Linker.cpp
new file mode 100644
index 0000000..7d90d46
--- /dev/null
+++ b/src/Linker.cpp
@@ -0,0 +1,49 @@
+#include "../include/Linker.hpp"
+#include "../include/FileUtil.hpp"
+
+static void split_string(const std::string &str, char delimiter, std::function<bool(const char*,size_t)> callback) {
+    size_t index = 0;
+    while(index < str.size()) {
+        const size_t end_index = str.find(delimiter, index);
+        if(end_index == std::string::npos)
+            break;
+
+        if(!callback(&str[index], end_index - index))
+            break;
+
+        index = end_index + 1;
+    }
+}
+
+namespace sibs
+{
+    static bool is_linker_installed(const char *linker_binary_name) {
+        const char *path = getenv("PATH");
+        if(!path)
+            return false;
+
+        bool linker_found = false;
+        split_string(path, ':', [&](const char *str, size_t size) {
+            std::string fullpath(str, size);
+            fullpath += "/";
+            fullpath += linker_binary_name;
+
+            if(getFileType(fullpath.c_str()) == FileType::REGULAR) {
+                linker_found = true;
+                return false;
+            }
+
+            return true;
+        });
+
+        return linker_found;
+    }
+
+    bool is_gold_linker_installed() {
+        return is_linker_installed("ld.gold");
+    }
+
+    bool is_lld_linker_installed() {
+        return is_linker_installed("ld.lld");
+    }
+}
\ No newline at end of file
-- 
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