diff --git a/uppsrc/Core/Path.h b/uppsrc/Core/Path.h
index a970ef4de..8c71d90e9 100644
--- a/uppsrc/Core/Path.h
+++ b/uppsrc/Core/Path.h
@@ -38,7 +38,9 @@ String  GetFullPath(const char *path);
 String  GetCurrentDirectory();
 #endif
 
+#ifdef PLATFORM_POSIX
 bool SetCurrentDirectory(const char *path);
+#endif
 
 struct FileTime;
 
diff --git a/uppsrc/ide/Builders/GccBuilder.icpp b/uppsrc/ide/Builders/GccBuilder.icpp
index f5c7e21f9..f6dab6735 100644
--- a/uppsrc/ide/Builders/GccBuilder.icpp
+++ b/uppsrc/ide/Builders/GccBuilder.icpp
@@ -91,7 +91,7 @@ bool GccBuilder::BuildPackage(const String& package, Vector<String>& linkfile, V
 				if(ext == ".a" || ext == ".so")
 					linkfile.Add(fn);
 				else
-				if(IsHeaderExt(ext) && pkg[i].pch && allow_pch && release && !HasAnyDebug() && !blitz) {
+				if(IsHeaderExt(ext) && pkg[i].pch && allow_pch && !blitz) {
 					if(pch_header.GetCount())
 						PutConsole(GetFileName(fn) + ": multiple PCHs are not allowed. Check your package configuration");
 					else
@@ -473,7 +473,7 @@ bool GccBuilder::Link(const Vector<String>& linkfile, const String& linkoptions,
 			lnk << " -o " << GetHostPathQ(target);
 			if(createmap)
 				lnk << " -Wl,-Map," << GetHostPathQ(GetFileDirectory(target) + GetFileTitle(target) + ".map");
-			if(HasFlag("DEBUG") || HasFlag("DEBUG_MINIMAL") || HasFlag("DEBUG_FULL"))
+			if(HasFlag("DEBUG_MINIMAL") || HasFlag("DEBUG_FULL"))
 				lnk << " -ggdb";
 			else
 				lnk << (!HasFlag("OSX11") ? " -Wl,-s" : "");
diff --git a/uppsrc/ide/InstantSetup.cpp b/uppsrc/ide/InstantSetup.cpp
index eaf4de699..17aea8069 100644
--- a/uppsrc/ide/InstantSetup.cpp
+++ b/uppsrc/ide/InstantSetup.cpp
@@ -219,23 +219,25 @@ void InstantSetup()
 			Vector<String> bins = Split(bm.Get("PATH", ""), ';');
 			Vector<String> incs = Split(bm.Get("INCLUDE", ""), ';');
 			Vector<String> libs = Split(bm.Get("LIB", ""), ';');
+		#ifndef _DEBUG
 			if(CheckDirs(bins, 3) && CheckDirs(incs, 2) && CheckDirs(libs, 2)) {
 				if(!x64)
 					default_method = Nvl(default_method, method);
 				continue;
 			}
+		#endif
 	
 			bmSet(bm, "BUILDER", "GCC");
 			bmSet(bm, "COMPILER", "");
 			bmSet(bm, "COMMON_OPTIONS", "-msse2 -D__CRT__NO_INLINE");
 			bmSet(bm, "COMMON_CPP_OPTIONS", "-std=c++14");
 			bmSet(bm, "COMMON_C_OPTIONS", "");
-			bmSet(bm, "COMMON_LINK", x64 ? "" : "-m32");
+			bmSet(bm, "COMMON_LINK", "");
 			bmSet(bm, "COMMON_FLAGS", "");
 			bmSet(bm, "DEBUG_INFO", "2");
-			bmSet(bm, "DEBUG_BLITZ", "1");
+			bmSet(bm, "DEBUG_BLITZ", "");
 			bmSet(bm, "DEBUG_LINKMODE", "0");
-			bmSet(bm, "DEBUG_OPTIONS", "-O0 -ggdb");
+			bmSet(bm, "DEBUG_OPTIONS", "-Os");
 			bmSet(bm, "DEBUG_FLAGS", "");
 			bmSet(bm, "DEBUG_LINK", "");
 			bmSet(bm, "RELEASE_BLITZ", "");