diff --git a/source/dub/compilers/compiler.d b/source/dub/compilers/compiler.d
index 7ad45e9..1d84c56 100644
--- a/source/dub/compilers/compiler.d
+++ b/source/dub/compilers/compiler.d
@@ -154,6 +154,9 @@
 	/// Adds the appropriate flag to set a target path
 	void setTarget(ref BuildSettings settings, in BuildPlatform platform);
 
+	/// Invokes the compiler using the given flags
+	void invoke(in BuildSettings settings, in BuildPlatform platform);
+
 	/// Invokes the underlying linker directly
 	void invokeLinker(in BuildSettings settings, in BuildPlatform platform, string[] objects);
 
@@ -265,8 +268,10 @@
 	string[] platform;
 	/// e.g. ["x86", "x86_64"]
 	string[] architecture;
-	/// e.g. "dmd"
+	/// Canonical compiler name e.g. "dmd"
 	string compiler;
+	/// Compiler binary name e.g. "ldmd2"
+	string compilerBinary;
 
 	/// Build platforms can be specified via a string specification.
 	///
diff --git a/source/dub/compilers/dmd.d b/source/dub/compilers/dmd.d
index 210fd4f..5b25e8e 100644
--- a/source/dub/compilers/dmd.d
+++ b/source/dub/compilers/dmd.d
@@ -12,11 +12,14 @@
 import dub.internal.vibecompat.core.log;
 import dub.internal.vibecompat.inet.path;
 import dub.platform;
+import dub.utils;
 
 import std.algorithm;
 import std.array;
 import std.conv;
 import std.exception;
+import std.file;
+import std.random;
 import std.typecons;
 
 
@@ -54,6 +57,7 @@
 		build_platform.platform = .determinePlatform();
 		build_platform.architecture = .determineArchitecture();
 		build_platform.compiler = this.name;
+		build_platform.compilerBinary = compiler_binary;
 
 		switch (arch_override) {
 			default: throw new Exception("Unsupported architecture: "~arch_override);
@@ -153,6 +157,18 @@
 		settings.addDFlags("-of"~tpath.toNativeString());
 	}
 
+	void invoke(in BuildSettings settings, in BuildPlatform platform)
+	{
+		auto res_file = getTempDir() ~ ("dub-build-"~uniform(0, uint.max).to!string~"-.rsp");
+		std.file.write(res_file.toNativeString(), join(settings.dflags.map!(s => s.canFind(' ') ? "\""~s~"\"" : s), "\n"));
+		scope (exit) remove(res_file.toNativeString());
+
+		logDiagnostic("%s %s", platform.compilerBinary, join(cast(string[])settings.dflags, " "));
+		auto compiler_pid = spawnProcess([platform.compilerBinary, "@"~res_file.toNativeString()]);
+		auto result = compiler_pid.wait();
+		enforce(result == 0, "DMD compile run failed with exit code "~to!string(result));
+	}
+
 	void invokeLinker(in BuildSettings settings, in BuildPlatform platform, string[] objects)
 	{
 		import std.string;
diff --git a/source/dub/compilers/gdc.d b/source/dub/compilers/gdc.d
index a56ff83..45221ed 100644
--- a/source/dub/compilers/gdc.d
+++ b/source/dub/compilers/gdc.d
@@ -12,11 +12,14 @@
 import dub.internal.vibecompat.core.log;
 import dub.internal.vibecompat.inet.path;
 import dub.platform;
+import dub.utils;
 
 import std.algorithm;
 import std.array;
 import std.conv;
 import std.exception;
+import std.file;
+import std.random;
 import std.typecons;
 
 
@@ -54,6 +57,7 @@
 		build_platform.platform = .determinePlatform();
 		build_platform.architecture = .determineArchitecture();
 		build_platform.compiler = this.name;
+		build_platform.compilerBinary = compiler_binary;
 
 		enforce(arch_override.length == 0, "Architecture override not implemented for GDC.");
 		return build_platform;
@@ -143,6 +147,18 @@
 		settings.addDFlags("-o", tpath.toNativeString());
 	}
 
+	void invoke(in BuildSettings settings, in BuildPlatform platform)
+	{
+		auto res_file = getTempDir() ~ ("dub-build-"~uniform(0, uint.max).to!string~"-.rsp");
+		std.file.write(res_file.toNativeString(), join(settings.dflags.map!(s => s.canFind(' ') ? "\""~s~"\"" : s), "\n"));
+		scope (exit) remove(res_file.toNativeString());
+
+		logDiagnostic("%s %s", platform.compilerBinary, join(cast(string[])settings.dflags, " "));
+		auto compiler_pid = spawnProcess([platform.compilerBinary, "@"~res_file.toNativeString()]);
+		auto result = compiler_pid.wait();
+		enforce(result == 0, "GDC compile run failed with exit code "~to!string(result));
+	}
+
 	void invokeLinker(in BuildSettings settings, in BuildPlatform platform, string[] objects)
 	{
 		assert(false, "Separate linking not implemented for GDC");
diff --git a/source/dub/compilers/ldc.d b/source/dub/compilers/ldc.d
index 57def93..61d6749 100644
--- a/source/dub/compilers/ldc.d
+++ b/source/dub/compilers/ldc.d
@@ -12,11 +12,14 @@
 import dub.internal.vibecompat.core.log;
 import dub.internal.vibecompat.inet.path;
 import dub.platform;
+import dub.utils;
 
 import std.algorithm;
 import std.array;
 import std.conv;
 import std.exception;
+import std.file;
+import std.random;
 import std.typecons;
 
 
@@ -54,6 +57,7 @@
 		build_platform.platform = .determinePlatform();
 		build_platform.architecture = .determineArchitecture();
 		build_platform.compiler = this.name;
+		build_platform.compilerBinary = compiler_binary;
 
 		enforce(arch_override.length == 0, "Architecture override not implemented for LDC.");
 		return build_platform;
@@ -143,6 +147,18 @@
 		settings.addDFlags("-of"~tpath.toNativeString());
 	}
 
+	void invoke(in BuildSettings settings, in BuildPlatform platform)
+	{
+		auto res_file = getTempDir() ~ ("dub-build-"~uniform(0, uint.max).to!string~"-.rsp");
+		std.file.write(res_file.toNativeString(), join(cast(string[])settings.dflags, "\n"));
+		scope (exit) remove(res_file.toNativeString());
+
+		logDiagnostic("%s %s", platform.compilerBinary, join(cast(string[])settings.dflags, " "));
+		auto compiler_pid = spawnProcess([platform.compilerBinary, "@"~res_file.toNativeString()]);
+		auto result = compiler_pid.wait();
+		enforce(result == 0, "LDC compile run failed with exit code "~to!string(result));
+	}
+
 	void invokeLinker(in BuildSettings settings, in BuildPlatform platform, string[] objects)
 	{
 		assert(false, "Separate linking not implemented for GDC");
diff --git a/source/dub/generators/build.d b/source/dub/generators/build.d
index 2c85c06..5a47dbb 100644
--- a/source/dub/generators/build.d
+++ b/source/dub/generators/build.d
@@ -57,12 +57,7 @@
 		}
 
 		// find the temp directory
-		auto tmp = environment.get("TEMP");
-		if( !tmp.length ) tmp = environment.get("TMP");
-		if( !tmp.length ){
-			version(Posix) tmp = "/tmp";
-			else tmp = ".";
-		}
+		auto tmp = getTempDir();
 
 		if( settings.config.length ) logInfo("Building configuration \""~settings.config~"\", build type "~settings.buildType);
 		else logInfo("Building default configuration, build type "~settings.buildType);
@@ -78,7 +73,7 @@
 			if( settings.run ){
 				import std.random;
 				auto rnd = to!string(uniform(uint.min, uint.max));
-				buildsettings.targetPath = (Path(tmp)~"dub/"~rnd).toNativeString();
+				buildsettings.targetPath = (tmp~"dub/"~rnd).toNativeString();
 			}
 			exe_file_path = Path(buildsettings.targetPath) ~ getTargetFileName(buildsettings, settings.platform);
 		}
@@ -111,18 +106,10 @@
 			if( generate_binary ) settings.compiler.setTarget(buildsettings, settings.platform);
 			settings.compiler.prepareBuildSettings(buildsettings, BuildSetting.commandLine);
 
-			// write response file instead of passing flags directly to the compiler
-			auto res_file = Path(buildsettings.targetPath) ~ "dub-build.rsp";
-			cleanup_files ~= res_file;
-			std.file.write(res_file.toNativeString(), join(buildsettings.dflags.map!(s => s.canFind(' ') ? "\""~s~"\"" : s), "\n"));
-
 			// invoke the compiler
 			logInfo("Running %s...", settings.compilerBinary);
-			logDiagnostic("%s %s", settings.compilerBinary, join(buildsettings.dflags, " "));
 			if( settings.run ) cleanup_files ~= exe_file_path;
-			auto compiler_pid = spawnProcess([settings.compilerBinary, "@"~res_file.toNativeString()]);
-			auto result = compiler_pid.wait();
-			enforce(result == 0, "Build command failed with exit code "~to!string(result));
+			settings.compiler.invoke(buildsettings, settings.platform);
 		} else {
 			// determine path for the temporary object file
 			version(Windows) enum tempobjname = "temp.obj";
@@ -141,16 +128,8 @@
 			buildsettings.sourceFiles = buildsettings.sourceFiles.filter!(f => !f.endsWith(".lib"))().array();
 			settings.compiler.prepareBuildSettings(buildsettings, BuildSetting.commandLine);
 
-			// write response file instead of passing flags directly to the compiler
-			auto res_file = Path(buildsettings.targetPath) ~ "dub-build.rsp";
-			cleanup_files ~= res_file;
-			cleanup_files ~= tempobj;
-			std.file.write(res_file.toNativeString(), join(buildsettings.dflags.map!(s => s.canFind(' ') ? "\""~s~"\"" : s), "\n"));
-
 			logInfo("Running %s (compile)...", settings.compilerBinary);
-			logDiagnostic("%s %s", settings.compilerBinary, join(buildsettings.dflags, " "));
-			auto result = spawnProcess([settings.compilerBinary, "@"~res_file.toNativeString()]).wait();
-			enforce(result == 0, "Build command failed with exit code "~to!string(result));
+			settings.compiler.invoke(buildsettings, settings.platform);
 
 			logInfo("Linking...", settings.compilerBinary);
 			if( settings.run ) cleanup_files ~= exe_file_path;
diff --git a/source/dub/utils.d b/source/dub/utils.d
index 4c9332d..11e983c 100644
--- a/source/dub/utils.d
+++ b/source/dub/utils.d
@@ -26,6 +26,17 @@
 import std.zip;
 
 
+Path getTempDir()
+{
+	auto tmp = environment.get("TEMP");
+	if( !tmp.length ) tmp = environment.get("TMP");
+	if( !tmp.length ){
+		version(Posix) tmp = "/tmp/";
+		else tmp = "./";
+	}
+	return Path(tmp);
+}
+
 package bool isEmptyDir(Path p) {
 	foreach(DirEntry e; dirEntries(p.toNativeString(), SpanMode.shallow))
 		return false;