diff --git a/datamodel/dmattribute.cpp b/datamodel/dmattribute.cpp
index ba295924..3569b4dc 100644
--- a/datamodel/dmattribute.cpp
+++ b/datamodel/dmattribute.cpp
@@ -2898,7 +2898,7 @@ void CDmaDecorator<T,B>::Init( CDmElement *pOwner, const char *pAttributeName, i
 {
 	Assert( pOwner );
 	this->m_pAttribute = pOwner->AddExternalAttribute( pAttributeName, CDmAttributeInfo<CUtlVector<T> >::AttributeType(), &Value() );
-	Assert( m_pAttribute );
+	Assert( this->m_pAttribute );
 	if ( nFlags )
 	{
 		this->m_pAttribute->AddFlag( nFlags );
diff --git a/filesystem/packfile.cpp b/filesystem/packfile.cpp
index 5190959a..f18fa0e7 100644
--- a/filesystem/packfile.cpp
+++ b/filesystem/packfile.cpp
@@ -879,10 +879,10 @@ int64 CZipPackFileHandle::AbsoluteBaseOffset()
 	return m_pOwner->GetPackFileBaseOffset() + m_nBase;
 }
 
-#if defined( _DEBUG ) && !defined( OSX )
+#if defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 #include <atomic>
 static std::atomic<int> sLZMAPackFileHandles( 0 );
-#endif // defined( _DEBUG ) && !defined( OSX )
+#endif // defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 
 CLZMAZipPackFileHandle::CLZMAZipPackFileHandle( CZipPackFile* pOwner, int64 nBase, unsigned int nOriginalSize, unsigned int nCompressedSize,
                                                 unsigned int nIndex, unsigned int nFilePointer )
@@ -892,7 +892,7 @@ CLZMAZipPackFileHandle::CLZMAZipPackFileHandle( CZipPackFile* pOwner, int64 nBas
 	  m_pLZMAStream( NULL ), m_nSeekPosition( 0 ), m_nOriginalSize( nOriginalSize )
 {
 	Reset();
-#if defined( _DEBUG ) && !defined( OSX )
+#if defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 	if ( ++sLZMAPackFileHandles == PACKFILE_COMPRESSED_FILE_HANDLES_WARNING )
 	{
 		// By my count a live filehandle is currently around 270k, mostly due to the LZMA dictionary (256k) with the
@@ -901,17 +901,17 @@ CLZMAZipPackFileHandle::CLZMAZipPackFileHandle( CZipPackFile* pOwner, int64 nBas
 		         "These carry large buffers around, and can cause high memory usage\n",
 		         PACKFILE_COMPRESSED_FILE_HANDLES_WARNING );
 	}
-#endif // defined( _DEBUG ) && !defined( OSX )
+#endif // defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 }
 
 CLZMAZipPackFileHandle::~CLZMAZipPackFileHandle()
 {
 	delete m_pLZMAStream;
 	m_pLZMAStream = NULL;
-#if defined( _DEBUG ) && !defined( OSX )
+#if defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 	sLZMAPackFileHandles--;
 	Assert( sLZMAPackFileHandles >= 0 );
-#endif // defined( _DEBUG ) && !defined( OSX )
+#endif // defined( _DEBUG ) && !defined( OSX ) && !defined( ANDROID )
 }
 
 int CLZMAZipPackFileHandle::Read( void* pBuffer, int nDestSize, int nBytes )
diff --git a/public/tier0/memdbgon.h b/public/tier0/memdbgon.h
index 9f022a09..3998b223 100644
--- a/public/tier0/memdbgon.h
+++ b/public/tier0/memdbgon.h
@@ -39,7 +39,9 @@
 		#define _NORMAL_BLOCK 1
 		
 		#include <cstddef>
+		#ifndef ANDROID
 		#include <glob.h>
+		#endif
 		#include <new>
 		#include <sys/types.h>
 		#if !defined( DID_THE_OPERATOR_NEW )
diff --git a/wscript b/wscript
index b49ad41a..23e3e43d 100644
--- a/wscript
+++ b/wscript
@@ -160,7 +160,6 @@ def define_platform(conf):
 			'LINUX=1', '_LINUX=1',
 			'POSIX=1', '_POSIX=1',
 			'GNUC',
-			'NDEBUG',
 			'NO_HOOK_MALLOC',
 			'_DLL_EXT=.so'
 		])
@@ -171,11 +170,19 @@ def define_platform(conf):
 			'LINUX=1', '_LINUX=1',
 			'POSIX=1', '_POSIX=1',
 			'GNUC',
-			'NDEBUG',
 			'NO_HOOK_MALLOC',
 			'_DLL_EXT=.so'
 		])
 
+	if conf.options.BUILD_TYPE == 'debug':
+		conf.env.append_unique('DEFINES', [
+			'DEBUG', '_DEBUG'
+		])
+	else:
+		conf.env.append_unique('DEFINES', [
+			'NDEBUG'
+		])
+
 def options(opt):
 	grp = opt.add_option_group('Common options')