Make include paths work relative to the build config files.

3 files changed, 29 insertions, 9 deletions

diff --git a/subdir/cppbuild.cc b/subdir/cppbuild.cc
index 808ac41..083ccc0 100644
--- a/subdir/cppbuild.cc
+++ b/subdir/cppbuild.cc
@@ -107,13 +107,13 @@ std::vector<BuildConfiguration> myConfigs()
 				"-Wall",
 				"-Werror",
 				"-std=c++11",
-				"-Idrumgizmo/getoptpp",
-				"-Idrumgizmo/",
-				"-Idrumgizmo/hugin",
-				"-Idrumgizmo/plugingui/",
-				"-Idrumgizmo/src/",
-				"-Idrumgizmo/zita-resampler/libs",
-				"-Idrumgizmo/pugixml/src",
+				"-I../drumgizmo/getoptpp",
+				"-I../drumgizmo/",
+				"-I../drumgizmo/hugin",
+				"-I../drumgizmo/plugingui/",
+				"-I ../drumgizmo/src/",
+				"-I ../drumgizmo/zita-resampler/libs",
+				"-I  ../drumgizmo/pugixml/src",
 			},
 			.cflags = {},
 			.ldflags = {}
diff --git a/task_cc.cc b/task_cc.cc
index f827c25..b5cc768 100644
--- a/task_cc.cc
+++ b/task_cc.cc
@@ -88,6 +88,7 @@ TaskCC::TaskCC(const BuildConfiguration& config, const Settings& settings,
 	: Task({})
 	, config(config)
 	, settings(settings)
+	, sourceDir(sourceDir)
 {
 	sourceFile = sourceDir;
 	sourceFile /= source;
@@ -193,6 +194,23 @@ int TaskCC::runInner()
 
 	for(const auto& flag : compiler_flags)
 	{
+		// Is arg an added include path?
+		if(flag.substr(0, 2) == "-I")
+		{
+			std::string include_path = flag.substr(2);
+			include_path.erase(0, include_path.find_first_not_of(' '));
+			std::filesystem::path path(include_path);
+
+			// Is it relative?
+			if(path.is_relative())
+			{
+				path = (sourceDir / path).lexically_normal();
+				std::string new_include_path = "-I" + path.string();
+				args.push_back(new_include_path);
+				continue;
+			}
+		}
+
 		args.push_back(flag);
 	}
 
@@ -203,8 +221,9 @@ int TaskCC::runInner()
 
 	if(settings.verbose == 0)
 	{
-		std::cout << compiler() << " " << sourceFile.string() << " => " <<
-			targetFile.string() << "\n";
+		std::cout << compiler() << " " <<
+			sourceFile.lexically_normal().string() << " => " <<
+			targetFile.lexically_normal().string() << "\n";
 	}
 	return execute(comp, args, settings.verbose > 0);
 }
diff --git a/task_cc.h b/task_cc.h
index f88433f..538188f 100644
--- a/task_cc.h
+++ b/task_cc.h
@@ -40,4 +40,5 @@ private:
 
 	const BuildConfiguration& config;
 	const Settings& settings;
+	std::filesystem::path sourceDir;
 };