Add the ability to display the detected compiler

2 files changed, 216 insertions, 0 deletions

diff --git a/gfxconf.example.h b/gfxconf.example.h
index 468d46d0..db28d97f 100644
--- a/gfxconf.example.h
+++ b/gfxconf.example.h
@@ -46,6 +46,7 @@
 // Options that (should where relevant) apply to all operating systems
 //    #define GFX_NO_INLINE                            FALSE
 //    #define GFX_COMPILER                             GFX_COMPILER_UNKNOWN
+//    #define GFX_SHOW_COMPILER                        FALSE
 //    #define GFX_CPU                                  GFX_CPU_UNKNOWN
 //    #define GFX_CPU_NO_ALIGNMENT_FAULTS              FALSE
 //    #define GFX_CPU_ENDIAN                           GFX_CPU_ENDIAN_UNKNOWN
diff --git a/src/gfx_compilers.h b/src/gfx_compilers.h
index 2c58ec5c..2449c05e 100644
--- a/src/gfx_compilers.h
+++ b/src/gfx_compilers.h
@@ -39,6 +39,13 @@
 	#endif
 
 	/**
+	 * @brief	Show which compiler we detected as a compiler warning message
+	 */
+	#ifndef GFX_SHOW_COMPILER
+		#define GFX_SHOW_COMPILER		FALSE
+	#endif
+	
+	/**
 	 * @brief	Enable compiler specific code
 	 * @details	Auto detected by default but it can be overridden in gfxconf.h
 	 * @note	This is setting enables optimisations and code options that are compiler specific.
@@ -285,8 +292,14 @@
 	#undef GFX_COMPILER_VERSION_PATCH
 	#undef GFX_COMPILER_VERSION_BUILD
 	#if GFX_COMPILER ==  GFX_COMPILER_ACC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ACC"
+		#endif
 		#define GFX_COMPILER_NAME					"ACC"
 	#elif GFX_COMPILER ==  GFX_COMPILER_ALTIUM
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ALTIUM"
+		#endif
 		#define GFX_COMPILER_NAME					"Altium MicroBlaze C"
 		#ifdef __BUILD__
 			#define GFX_COMPILER_VERSION_MAJOR		((__BUILD__)/1000000)
@@ -298,6 +311,9 @@
 			#define GFX_COMPILER_VERSION_PATCH		(__REVISION__)
 		#endif
 	#elif GFX_COMPILER ==  GFX_COMPILER_ALTIUMHW
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ALTIUMHW"
+		#endif
 		#define GFX_COMPILER_NAME					"Altium C-to-Hardware"
 		#ifdef __BUILD__
 			#define GFX_COMPILER_VERSION_MAJOR		((__BUILD__)/1000000)
@@ -309,8 +325,14 @@
 			#define GFX_COMPILER_VERSION_PATCH		(__REVISION__)
 		#endif
 	#elif GFX_COMPILER ==  GFX_COMPILER_AMSTERDAM
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: AMSTERDAM"
+		#endif
 		#define GFX_COMPILER_NAME					"Amsterdam Compiler Kit"
 	#elif GFX_COMPILER == GFX_COMPILER_ARMCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ARMCC"
+		#endif
 		#define GFX_COMPILER_NAME					"ARMCC"
 		#define GFX_COMPILER_VERSION_MAJOR			((__ARMCC_VERSION)/100000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__ARMCC_VERSION)/10000)%10)
@@ -318,19 +340,31 @@
 		#define GFX_COMPILER_VERSION_BUILD			((__ARMCC_VERSION)%1000)
 		#define __LITTLE_IF_NOT_BIG__				// Oops - Defines __BIG_ENDIAN but not __LITTLE_ENDIAN
 	#elif GFX_COMPILER == GFX_COMPILER_AZTEC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: AZTEC"
+		#endif
 		#define GFX_COMPILER_NAME					"Aztec"
 		#define GFX_COMPILER_VERSION_MAJOR			((__VERSION)/100)
 		#define GFX_COMPILER_VERSION_MINOR			((__VERSION)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_BORLAND
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: BORLAND"
+		#endif
 		#define GFX_COMPILER_NAME					"Borland C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__BORLANDC__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			(((((__BORLANDC__)%0x100)/0x10)*10) + ((__BORLANDC__)%0x10))
 	#elif GFX_COMPILER == GFX_COMPILER_CC65
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: CC65"
+		#endif
 		#define GFX_COMPILER_NAME					"CC65"
 		#define GFX_COMPILER_VERSION_MAJOR			((__CC65__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			(((__CC65__)/0x10)%0x10)
 		#define GFX_COMPILER_VERSION_PATCH			((__CC65__)%0x10)
 	#elif GFX_COMPILER == GFX_COMPILER_CLANG
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: CLANG"
+		#endif
 		#define GFX_COMPILER_NAME					"CLang (LLVM)"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			(__clang_major__)
@@ -338,23 +372,41 @@
 		#define GFX_COMPILER_VERSION_PATCH			(__clang_patchlevel__)
 		#define DEPRECATED(msg)						__attribute__((deprecated(msg)))
 	#elif GFX_COMPILER == GFX_COMPILER_COMEAU
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: COMEAU"
+		#endif
 		#define GFX_COMPILER_NAME					"Comeau C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__COMO_VERSION__)/100)
 		#define GFX_COMPILER_VERSION_MINOR			((__COMO_VERSION__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_COMPAQ
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: COMPAQ"
+		#endif
 		#define GFX_COMPILER_NAME					"Compaq C"
 		#define GFX_COMPILER_VERSION_MAJOR			((__DECC_VER)/10000000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__DECC_VER)/100000)%100)
 		#define GFX_COMPILER_VERSION_PATCH			((__DECC_VER)%10000)
 	#elif GFX_COMPILER == GFX_COMPILER_COMPCERT
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: COMPCERT"
+		#endif
 		#define GFX_COMPILER_NAME					"Compcert"
 	#elif GFX_COMPILER == GFX_COMPILER_CONVEX
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: CONVEX"
+		#endif
 		#define GFX_COMPILER_NAME					"Convex C"
 	#elif GFX_COMPILER == GFX_COMPILER_CRAY
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: CRAY"
+		#endif
 		#define GFX_COMPILER_NAME					"Cray C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			(_RELEASE)
 		#define GFX_COMPILER_VERSION_MINOR			(_RELEASE_MINOR)
 	#elif GFX_COMPILER == GFX_COMPILER_CYGWIN
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: CYGWIN"
+		#endif
 		#define GFX_COMPILER_NAME					"Cygwin"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			(__GNUC__)
@@ -364,20 +416,35 @@
 		#endif
 		#define DEPRECATED(msg)						__attribute__((deprecated(msg)))
 	#elif GFX_COMPILER == GFX_COMPILER_DAIB
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DAIB"
+		#endif
 		#define GFX_COMPILER_NAME					"Diab C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__VERSION_NUMBER__)/1000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__VERSION_NUMBER__)/100)%10)
 		#define GFX_COMPILER_VERSION_PATCH			((__VERSION_NUMBER__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_DEC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DEC"
+		#endif
 		#define GFX_COMPILER_NAME					"DEC"
 	#elif GFX_COMPILER == GFX_COMPILER_DICE
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DICE"
+		#endif
 		#define GFX_COMPILER_NAME					"DICE C"
 	#elif GFX_COMPILER == GFX_COMPILER_DIGNUS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DIGNUS"
+		#endif
 		#define GFX_COMPILER_NAME					"Dignus Systems C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__SYSC_VER__)/10000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__SYSC_VER__)/100)%100)
 		#define GFX_COMPILER_VERSION_PATCH			((__SYSC_VER__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_DJGPP
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DJGPP"
+		#endif
 		#define GFX_COMPILER_NAME					"DJGPP"
 		#ifdef __DJGPP__
 			#define GFX_COMPILER_VERSION_MAJOR		(__DJGPP__)
@@ -386,11 +453,17 @@
 			#define GFX_COMPILER_VERSION_MAJOR		(1)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_DMARS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: DMARS"
+		#endif
 		#define GFX_COMPILER_NAME					"Digital Mars"
 		#define GFX_COMPILER_VERSION_MAJOR			((__DMC__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			(((__DMC__)/0x10)%0x10)
 		#define GFX_COMPILER_VERSION_PATCH			((__DMC__)%0x10)
 	#elif GFX_COMPILER == GFX_COMPILER_EDG
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: EDG"
+		#endif
 		#define GFX_COMPILER_NAME					"EDG C++"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			((__EDG_VERSION__)/100)
@@ -403,13 +476,22 @@
 		#pragma diag_remark = Pe068
 		#pragma diag_remark = Pa050
 	#elif GFX_COMPILER == GFX_COMPILER_EKOPATH
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: EKOPATH"
+		#endif
 		#define GFX_COMPILER_NAME					"EKOPath"
 		#define GFX_COMPILER_VERSION_MAJOR			(__PATHCC__)
 		#define GFX_COMPILER_VERSION_MINOR			(__PATHCC_MINOR__)
 		#define GFX_COMPILER_VERSION_PATCH			(__PATHCC_PATCHLEVEL__)
 	#elif GFX_COMPILER == GFX_COMPILER_FUJITSU
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: FUJITSU"
+		#endif
 		#define GFX_COMPILER_NAME					"Fujitsu C++"
 	#elif GFX_COMPILER == GFX_COMPILER_GCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: GCC"
+		#endif
 		#define GFX_COMPILER_NAME					"GCC"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			(__GNUC__)
@@ -419,13 +501,22 @@
 		#endif
 		#define DEPRECATED(msg)						__attribute__((deprecated(msg)))
 	#elif GFX_COMPILER == GFX_COMPILER_GREENHILL
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: GREENHILL"
+		#endif
 		#define GFX_COMPILER_NAME					"Green Hill C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__GHS_VERSION_NUMBER__)/100)
 		#define GFX_COMPILER_VERSION_MINOR			(((__GHS_VERSION_NUMBER__)/10)%10)
 		#define GFX_COMPILER_VERSION_PATCH			((__GHS_VERSION_NUMBER__)%10)
 	#elif GFX_COMPILER == GFX_COMPILER_HIGHC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: HIGHC"
+		#endif
 		#define GFX_COMPILER_NAME					"Metaware High C/C++"
 	#elif GFX_COMPILER == GFX_COMPILER_HP
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: HP"
+		#endif
 		#define GFX_COMPILER_NAME					"HP C/aC++"
 		#ifdef __HP_aCC
 			#if __HP_aCC == 1
@@ -438,6 +529,9 @@
 			#endif
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_IAR
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: IAR"
+		#endif
 		#define GFX_COMPILER_NAME					"IAR C++"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			((__VER__)/100)
@@ -450,6 +544,9 @@
 		#pragma diag_remark = Pe068
 		#pragma diag_remark = Pa050
 	#elif GFX_COMPILER == GFX_COMPILER_IBMXL
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: IBMXL"
+		#endif
 		#define GFX_COMPILER_NAME					"IBM XL C/C++"
 		#ifdef __xlC__
 			#define GFX_COMPILER_VERSION_MAJOR		((__xlC__)/0x100)
@@ -470,8 +567,14 @@
 			#define GFX_COMPILER_VERSION_PATCH		((__IBMCPP__)%10)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_IMAGECRAFT
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: IMAGECRAFT"
+		#endif
 		#define GFX_COMPILER_NAME					"Imagecraft C"
 	#elif GFX_COMPILER == GFX_COMPILER_INTEL
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: INTEL"
+		#endif
 		#define GFX_COMPILER_NAME					"Intel ICC/ICPC"
 		#ifdef __INTEL_COMPILER
 			#define GFX_COMPILER_VERSION_MAJOR		((__INTEL_COMPILER)/100)
@@ -482,11 +585,17 @@
 			#endif
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_KAI
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: KAI"
+		#endif
 		#define GFX_COMPILER_NAME					"Kai C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__KCC_VERSION)/0x1000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__KCC_VERSION)/0x100)%0x10)
 		#define GFX_COMPILER_VERSION_PATCH			((__KCC_VERSION)%0x100)
 	#elif GFX_COMPILER == GFX_COMPILER_KEIL
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: KEIL"
+		#endif
 		#define GFX_COMPILER_NAME					"Keil"
 		#define GFX_COMPILER_TESTED					TRUE
 		#if defined(__ARMCC_VERSION)
@@ -515,22 +624,38 @@
 		#pragma diag_remark 83						// Turn off warning: type qualifier specified more than once
 		#pragma diag_remark 767						// Turn off warning: conversion from pointer to smaller integer
 		#pragma diag_remark 188						// Turn off warning: enumerated type mixed with another type
+		#pragma diag_remark 68						// Turn off warning: integer conversion resulted in a change of sign
 		#ifndef GFXINLINE							// Get the Keil definition for inline
 			#define GFXINLINE	__inline
 		#endif
 		#define __LITTLE_IF_NOT_BIG__				// Oops - Defines __BIG_ENDIAN but not __LITTLE_ENDIAN
 	#elif GFX_COMPILER == GFX_COMPILER_LCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: LCC"
+		#endif
 		#define GFX_COMPILER_NAME					"LCC"
 	#elif GFX_COMPILER == GFX_COMPILER_METROWORKS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: METROWORKS"
+		#endif
 		#define GFX_COMPILER_NAME					"Metroworks CodeWarrior"
 		#define GFX_COMPILER_VERSION_MAJOR			((__MWERKS__)/0x1000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__MWERKS__)/0x100)%0x10)
 		#define GFX_COMPILER_VERSION_PATCH			((__MWERKS__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_MICROTEC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MICROTEC"
+		#endif
 		#define GFX_COMPILER_NAME					"Microtec C/C++"
 	#elif GFX_COMPILER == GFX_COMPILER_MICROWAY
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MICROWAY"
+		#endif
 		#define GFX_COMPILER_NAME					"Microway NDP C"
 	#elif GFX_COMPILER == GFX_COMPILER_MINGW32
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MINGW32"
+		#endif
 		#define GFX_COMPILER_NAME					"MingW32"
 		#define GFX_COMPILER_TESTED					TRUE
 		#define GFX_COMPILER_VERSION_MAJOR			(__GNUC__)
@@ -540,6 +665,9 @@
 		#endif
 		#define DEPRECATED(msg)						__attribute__((deprecated(msg)))
 	#elif GFX_COMPILER == GFX_COMPILER_MINGW64
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MINGW64"
+		#endif
 		#define GFX_COMPILER_NAME					"MingW64"
 		#define GFX_COMPILER_VERSION_MAJOR			(__GNUC__)
 		#define GFX_COMPILER_VERSION_MINOR			(__GNUC_MINOR__)
@@ -548,6 +676,9 @@
 		#endif
 		#define DEPRECATED(msg)						__attribute__((deprecated(msg)))
 	#elif GFX_COMPILER == GFX_COMPILER_MIPSPRO
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MIPSPRO"
+		#endif
 		#define GFX_COMPILER_NAME					"MIPS Pro"
 		#ifdef _SGI_COMPILER_VERSION
 			#define GFX_COMPILER_VERSION_MAJOR		((_SGI_COMPILER_VERSION)/100)
@@ -559,20 +690,38 @@
 			#define GFX_COMPILER_VERSION_PATCH		((_COMPILER_VERSION)%10)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_MIRACLE
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MIRACLE"
+		#endif
 		#define GFX_COMPILER_NAME					"Miracle C"
 	#elif GFX_COMPILER == GFX_COMPILER_MPW
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: MPW"
+		#endif
 		#define GFX_COMPILER_NAME					"MPW C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__MRC__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			((__MRC__)%0x100)
 	#elif GFX_COMPILER == GFX_COMPILER_NORCROFT
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: NORCROFT"
+		#endif
 		#define GFX_COMPILER_NAME					"Norcroft C"
 	#elif GFX_COMPILER == GFX_COMPILER_NWCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: NWCC"
+		#endif
 		#define GFX_COMPILER_NAME					"NWCC"
 	#elif GFX_COMPILER == GFX_COMPILER_OPEN64
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: OPEN64"
+		#endif
 		#define GFX_COMPILER_NAME					"Open64"
 		#define GFX_COMPILER_VERSION_MAJOR			(__OPENCC__)
 		#define GFX_COMPILER_VERSION_MINOR			(__OPENCC_MINOR__)
 	#elif GFX_COMPILER == GFX_COMPILER_OSS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: OSS"
+		#endif
 		#define GFX_COMPILER_NAME					"Oracle Solaris Studio"
 		#ifdef __SUNPRO_C >= 0x1000
 			#define GFX_COMPILER_VERSION_MAJOR		((__SUNPRO_C)/0x1000)
@@ -584,23 +733,38 @@
 			#define GFX_COMPILER_VERSION_PATCH		((__SUNPRO_C)%0x10)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_PACIFIC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: PACIFIC"
+		#endif
 		#define GFX_COMPILER_NAME					"Pacific C"
 	#elif GFX_COMPILER == GFX_COMPILER_PALM
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: PALM"
+		#endif
 		#define GFX_COMPILER_NAME					"Palm C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((_PACC_VER)/0x10000000)
 		#define GFX_COMPILER_VERSION_MINOR			(((_PACC_VER)/0x100000)%0x100)
 		#define GFX_COMPILER_VERSION_PATCH			(((_PACC_VER)/0x1000)%0x100)
 		#define GFX_COMPILER_VERSION_BUILD			((_PACC_VER)%0x1000)
 	#elif GFX_COMPILER == GFX_COMPILER_PELLES
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: PELLES"
+		#endif
 		#define GFX_COMPILER_NAME					"Pelles C"
 		#define GFX_COMPILER_VERSION_MAJOR			((__POCC__)/100)
 		#define GFX_COMPILER_VERSION_MINOR			((__POCC__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_PGCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: PGCC"
+		#endif
 		#define GFX_COMPILER_NAME					"Portland PGCC/PGCPP"
 		#define GFX_COMPILER_VERSION_MAJOR			(__PGIC__)
 		#define GFX_COMPILER_VERSION_MINOR			(__PGIC_MINOR__)
 		#define GFX_COMPILER_VERSION_PATCH			(__PGIC_PATCHLEVEL__)
 	#elif GFX_COMPILER == GFX_COMPILER_RENESAS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: RENESAS"
+		#endif
 		#define GFX_COMPILER_NAME					"Renesas C/C++"
 		#ifdef __HITACHI_VERSION__
 			#define GFX_COMPILER_VERSION_MAJOR		((__HITACHI_VERSION__)/0x100)
@@ -615,6 +779,9 @@
 			#define GFX_COMPILER_VERSION_BUILD		((__RENESAS_VERSION__)%0x100)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_SASC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: SASC"
+		#endif
 		#define GFX_COMPILER_NAME					"SAS/C"
 		#ifdef __SASC__
 			#define GFX_COMPILER_VERSION_MAJOR		((__SASC__)/100)
@@ -624,24 +791,45 @@
 			#define GFX_COMPILER_VERSION_MINOR		(__REVISION__)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_SCO
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: SCO"
+		#endif
 		#define GFX_COMPILER_NAME					"SCO OpenServer"
 	#elif GFX_COMPILER == GFX_COMPILER_SDCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: SDCC"
+		#endif
 		#define GFX_COMPILER_NAME					"Small Device C"
 		#define GFX_COMPILER_VERSION_MAJOR			((SDCC)/100)
 		#define GFX_COMPILER_VERSION_MINOR			(((SDCC)/10)%10)
 		#define GFX_COMPILER_VERSION_PATCH			((SDCC)%10)
 	#elif GFX_COMPILER == GFX_COMPILER_SN
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: SN"
+		#endif
 		#define GFX_COMPILER_NAME					"SN"
 	#elif GFX_COMPILER == GFX_COMPILER_STRATUS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: STRATUS"
+		#endif
 		#define GFX_COMPILER_NAME					"Stratus VOS C"
 		#define GFX_COMPILER_VERSION_MAJOR			(__VOSC__)
 	#elif GFX_COMPILER == GFX_COMPILER_SYMANTEC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: SYMANTEC"
+		#endif
 		#define GFX_COMPILER_NAME					"Symantec C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__SC__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			((__SC__)%0x100)
 	#elif GFX_COMPILER == GFX_COMPILER_TENDRA
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: TENDRA"
+		#endif
 		#define GFX_COMPILER_NAME					"TenDRA C/C++"
 	#elif GFX_COMPILER == GFX_COMPILER_THINK
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: THINK"
+		#endif
 		#define GFX_COMPILER_NAME					"Think C"
 		#ifdef THINKC4
 			#define GFX_COMPILER_VERSION_MAJOR		(4)
@@ -649,14 +837,23 @@
 			#define GFX_COMPILER_VERSION_MAJOR		(3)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_TI
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: TI"
+		#endif
 		#define GFX_COMPILER_NAME					"Texas Instruments C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((SDCC)/1000000)
 		#define GFX_COMPILER_VERSION_MINOR			(((SDCC)/1000)%1000)
 		#define GFX_COMPILER_VERSION_PATCH			((SDCC)%1000)
 	#elif GFX_COMPILER == GFX_COMPILER_TINYC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: TINYC"
+		#endif
 		#define GFX_COMPILER_NAME					"Tiny C"
 		#define GFX_COMPILER_TESTED					TRUE
 	#elif GFX_COMPILER == GFX_COMPILER_TURBOC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: TURBOC"
+		#endif
 		#define GFX_COMPILER_NAME					"Borland Turbo C/C++"
 		#if __TURBOC__ < 0x295 || __TURBOC__ >= 0x400
 			#define GFX_COMPILER_VERSION_MAJOR		((__TURBOC__)/0x100)
@@ -672,17 +869,29 @@
 			#define GFX_COMPILER_VERSION_MINOR		(0)
 		#endif
 	#elif GFX_COMPILER == GFX_COMPILER_ULTIMATE
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ULTIMATE"
+		#endif
 		#define GFX_COMPILER_NAME					"Ultimate C/C++"
 		#define GFX_COMPILER_VERSION_MAJOR			(_MAJOR_REV)
 		#define GFX_COMPILER_VERSION_MINOR			(_MINOR_REV)
 	#elif GFX_COMPILER == GFX_COMPILER_USL
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: USL"
+		#endif
 		#define GFX_COMPILER_NAME					"USL C"
 		#define GFX_COMPILER_VERSION_MAJOR			((__SCO_VERSION__)/100000000)
 		#define GFX_COMPILER_VERSION_MINOR			(((__SCO_VERSION__)/1000000)%100)
 		#define GFX_COMPILER_VERSION_BUILD			((__SCO_VERSION__)%1000000)
 	#elif GFX_COMPILER == GFX_COMPILER_VBCC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: VBCC"
+		#endif
 		#define GFX_COMPILER_NAME					"VBCC"
 	#elif GFX_COMPILER == GFX_COMPILER_VS
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: VS"
+		#endif
 		#define GFX_COMPILER_NAME					"Microsoft Visual Studio"
 		#ifdef _MSC_FULL_VER
 			#if _MSC_FULL_VER < 100000000
@@ -703,10 +912,16 @@
 		#endif
 		#define DEPRECATED(msg)						__declspec(deprecated(msg))
 	#elif GFX_COMPILER == GFX_COMPILER_WATCOM
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: WATCOM"
+		#endif
 		#define GFX_COMPILER_NAME					"Watcom C"
 		#define GFX_COMPILER_VERSION_MAJOR			((__WATCOMC__)/100)
 		#define GFX_COMPILER_VERSION_MINOR			((__WATCOMC__)%100)
 	#elif GFX_COMPILER == GFX_COMPILER_ZTC
+		#if GFX_SHOW_COMPILER && GFX_DISPLAY_RULE_WARNINGS
+			#warning "Compiler: ZTC"
+		#endif
 		#define GFX_COMPILER_NAME					"Zortech C++"
 		#define GFX_COMPILER_VERSION_MAJOR			((__ZTC__)/0x100)
 		#define GFX_COMPILER_VERSION_MINOR			(((__ZTC__)/0x10)%0x10)