From 9f9507d75ccdff561a390c441d45c000382c42fc Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Sun, 4 Nov 2018 08:15:07 +0100
Subject: Use dll files for mingw, use mingw cmake

---
 backend/BackendUtils.cpp | 118 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)

(limited to 'backend/BackendUtils.cpp')

diff --git a/backend/BackendUtils.cpp b/backend/BackendUtils.cpp
index 37a5002..158cd12 100644
--- a/backend/BackendUtils.cpp
+++ b/backend/BackendUtils.cpp
@@ -1,10 +1,15 @@
 #include "BackendUtils.hpp"
 #include "../include/FileUtil.hpp"
+#include "../include/Exec.hpp"
 #include "ninja/Ninja.hpp"
 
 using namespace std;
 using namespace sibs;
 
+static const char *cCompilerPath = nullptr;
+static const char *cppCompilerPath = nullptr;
+static const char *linkerPath = nullptr;
+
 namespace backend
 {
     static bool isPathSubPathOf(const FileString &path, const FileString &subPathOf)
@@ -125,4 +130,117 @@ namespace backend
             return true;
         });
     }
+
+    string BackendUtils::getCompilerCExecutable(Compiler compiler)
+    {
+        if(cCompilerPath)
+            return cCompilerPath;
+
+        char *cc = std::getenv("CC");
+        if(cc)
+        {
+            cCompilerPath = cc;
+            return cCompilerPath;
+        }
+
+        switch(compiler)
+        {
+            case Compiler::GCC:
+                cCompilerPath = "ccache cc";
+                break;
+            case Compiler::MINGW_W64:
+                cCompilerPath = "x86_64-w64-mingw32-cc";
+                break;
+            case Compiler::MSVC:
+                cCompilerPath = "cl.exe";
+                break;
+        }
+        return cCompilerPath;
+    }
+
+    string BackendUtils::getCompilerCppExecutable(Compiler compiler)
+    {
+        if(cppCompilerPath)
+            return cppCompilerPath;
+
+        char *cxx = std::getenv("CXX");
+        if(cxx)
+        {
+            cppCompilerPath = cxx;
+            return cppCompilerPath;
+        }
+
+        switch(compiler)
+        {
+            case Compiler::GCC:
+                cppCompilerPath = "ccache c++";
+                break;
+            case Compiler::MINGW_W64:
+                cppCompilerPath = "x86_64-w64-mingw32-c++";
+                break;
+            case Compiler::MSVC:
+                cppCompilerPath = "cl.exe";
+                break;
+        }
+        return cppCompilerPath;
+    }
+
+    string BackendUtils::getCompilerLinker(Compiler compiler)
+    {
+        if(linkerPath)
+            return linkerPath;
+
+        char *ar = std::getenv("AR");
+        if(ar)
+        {
+            linkerPath = ar;
+            return linkerPath;
+        }
+
+        switch(compiler)
+        {
+            case Compiler::GCC:
+                linkerPath = "ar";
+                break;
+            case Compiler::MINGW_W64:
+                linkerPath = "x86_64-w64-mingw32-ar";
+                break;
+            case Compiler::MSVC:
+                linkerPath = "lib.exe";
+                break;
+        }
+        return linkerPath;
+    }
+
+    RuntimeCompilerType BackendUtils::getCCompilerType(Compiler compiler)
+    {
+        RuntimeCompilerType cCompilerType = RuntimeCompilerType::NONE;
+        Result<ExecResult> cCompilerVersion = exec(toFileString(getCompilerCExecutable(compiler)) + TINYDIR_STRING(" --version"));
+        if(cCompilerVersion && cCompilerVersion.unwrap().exitCode == 0)
+        {
+            if(cCompilerVersion.unwrap().execStdout.find("Emscripten") != string::npos)
+                cCompilerType = RuntimeCompilerType::EMSCRIPTEN;
+            else if(cCompilerVersion.unwrap().execStdout.find("clang") != string::npos)
+                cCompilerType = RuntimeCompilerType::CLANG;
+            else
+                cCompilerType = RuntimeCompilerType::OTHER;
+        }
+        return cCompilerType;
+    }
+
+    RuntimeCompilerType BackendUtils::getCppCompilerType(Compiler compiler)
+    {
+        RuntimeCompilerType cppCompilerType = RuntimeCompilerType::NONE;
+        Result<ExecResult> cppCompilerVersion = exec(toFileString(getCompilerCppExecutable(compiler)) + TINYDIR_STRING(" --version"));
+        if(cppCompilerVersion && cppCompilerVersion.unwrap().exitCode == 0)
+        {
+            if(cppCompilerVersion.unwrap().execStdout.find("Emscripten") != string::npos)
+                cppCompilerType = RuntimeCompilerType::EMSCRIPTEN;
+            else if(cppCompilerVersion.unwrap().execStdout.find("clang") != string::npos)
+                cppCompilerType = RuntimeCompilerType::CLANG;
+            else
+                cppCompilerType = RuntimeCompilerType::OTHER;
+        }
+        return cppCompilerType;
+    }
 }
-- 
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