From e7ebd55c31148089eb54ffbd708216c1c7cb09ff Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@dec05ebas-iMac.local>
Date: Sat, 29 Sep 2018 22:03:50 +0200
Subject: Add support for macos

---
 backend/ninja/Ninja.cpp | 25 ++++++++++++++++++++++---
 1 file changed, 22 insertions(+), 3 deletions(-)

(limited to 'backend')

diff --git a/backend/ninja/Ninja.cpp b/backend/ninja/Ninja.cpp
index ac683a0..3d71574 100644
--- a/backend/ninja/Ninja.cpp
+++ b/backend/ninja/Ninja.cpp
@@ -635,6 +635,16 @@ namespace backend
 
     Result<bool> Ninja::build(const SibsConfig &config, const _tinydir_char_t *savePath, LinkerFlagCallbackFunc staticLinkerFlagCallbackFunc, LinkerFlagCallbackFunc dynamicLinkerFlagCallback, GlobalIncludeDirCallbackFunc globalIncludeDirCallback)
     {
+        bool isCCompilerClang = false;
+        Result<ExecResult> cCompilerVersion = exec("cc --version");
+        if(cCompilerVersion && cCompilerVersion.unwrap().exitCode == 0 && cCompilerVersion.unwrap().execStdout.find("clang") != string::npos)
+            isCCompilerClang = true;
+
+        bool isCppCompilerClang = false;
+        Result<ExecResult> cppCompilerVersion = exec("c++ --version");
+        if(cppCompilerVersion && cppCompilerVersion.unwrap().exitCode == 0 && cppCompilerVersion.unwrap().execStdout.find("clang") != string::npos)
+            isCppCompilerClang = true;
+
         Result<bool> createBuildDirResult = createDirectoryRecursive(savePath);
         if (!createBuildDirResult)
             return createBuildDirResult;
@@ -1073,6 +1083,15 @@ namespace backend
         string projectGeneratedBinaryFlags;
         if (!sourceFiles.empty() && !zigTest)
         {
+            string noUndefinedFlag;
+            if(!onlyZigFiles)
+            {
+                if(usesCppFiles)
+                    noUndefinedFlag = isCppCompilerClang ? "-Wl,-undefined,error" : "-Wl,--no-undefined,--as-needed";
+                else
+                    noUndefinedFlag = isCCompilerClang ? "-Wl,-undefined,error" : "-Wl,--no-undefined,--as-needed";
+            }
+
             string projectGeneratedBinary = "\"";
             projectGeneratedBinary += savePathUtf8;
             projectGeneratedBinary += "/";
@@ -1119,7 +1138,7 @@ namespace backend
                                     ninja::NinjaArg::createRaw("-o"), 
                                     ninja::NinjaArg::createRaw("$out"), 
                                     ninja::NinjaArg::createRaw("$in"),
-                                    ninja::NinjaArg::createRaw("-Wl,--no-undefined,--as-needed")
+                                    ninja::NinjaArg::createRaw(noUndefinedFlag)
                                 });
 
                                 if(config.getSanitize())
@@ -1307,7 +1326,7 @@ namespace backend
                                     ninja::NinjaArg::createRaw("-shared"), 
                                     ninja::NinjaArg::createRaw("-o"),
                                     ninja::NinjaArg::createRaw("$out"),
-                                    ninja::NinjaArg::createRaw("-Wl,--no-undefined,--as-needed")
+                                    ninja::NinjaArg::createRaw(noUndefinedFlag)
                                 });
 
                                 if(config.getSanitize())
@@ -1529,7 +1548,7 @@ namespace backend
 
     Result<bool> Ninja::compile(const _tinydir_char_t *buildFilePath)
     {
-#if OS_FAMILY == OS_FAMILY_POSIX
+#if OS_TYPE == OS_TYPE_LINUX
         FileString command = TINYDIR_STRING("script -eqc 'ninja -C \"");
         command += buildFilePath;
         command += TINYDIR_STRING("\"' /dev/null");
-- 
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