diff --git a/GNUmakef.def b/GNUmakef.def
index e783a17..2b4b3b4 100644
--- a/GNUmakef.def
+++ b/GNUmakef.def
@@ -48,6 +48,7 @@ WINDRES=windres
 EXEEXT=.exe
 OBJEXT=.o
 LIBEXT=.a
+CFLAGS+=-DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H
 else
 ifeq ($(PLATFORM),emx)
 CAT=cat
@@ -69,6 +70,7 @@ LIBEXT=.a
 #OBJEXT=.obj
 #LIBEXT=.lib
 CXX=$(CC)
+CFLAGS+=-DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H
 else
 ifeq ($(PLATFORM),djg)
 CAT=command.com /c type
@@ -95,6 +97,7 @@ EXEEXT=
 OBJEXT=.o
 LIBEXT=.a
 LNKFLAGS+=-lbe -ltextencoding
+CFLAGS+=-DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H
 else
 ifeq ($(PLATFORM),sun) # SUN Solaris
 CAT=cat
@@ -108,6 +111,7 @@ EXEEXT=
 OBJEXT=.o
 LIBEXT=.a
 CFLAGS+=-D__SUNOS__ -D__UNIX__ -DUNIX
+CFLAGS+=-DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H
 ifeq ($(WIDE_NCURSES),1)
 LIBCURSES=-L/opt/csw/lib -lncursesw
 else
@@ -131,6 +135,7 @@ LIBCURSES=-lncursesw
 else
 LIBCURSES=-lncurses
 endif
+CFLAGS+=-DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H
 else                   # Linux, *BSD or another unix-like OS
 CAT=cat
 SED=sed
@@ -155,7 +160,7 @@ endif
 endif
 endif
 endif
-CFLAGS+=-funsigned-char -g $(INCS) -Wall -Wno-sign-compare -pedantic -O2 -DPRAGMA_PACK # -fomit-frame-pointer
+CFLAGS+=-funsigned-char -g $(INCS) -Wall -Wno-sign-compare -pedantic -O2 -DPRAGMA_PACK -DHAVE_SNPRINTF -DHAVE_VSNPRINTF -DHAVE_STDARG_H # -fomit-frame-pointer
 LNKFLAGS+=-g
 CPPFLAGS+=$(CFLAGS) -fno-rtti # -fno-exceptions
 
diff --git a/goldlib/gall/gstrall.h b/goldlib/gall/gstrall.h
index 31ccff3..2af4d51 100644
--- a/goldlib/gall/gstrall.h
+++ b/goldlib/gall/gstrall.h
@@ -59,8 +59,10 @@ char* strlwr(char* s);
 
 //  ------------------------------------------------------------------
 
-#if defined(_MSC_VER)
+#if !defined(HAVE_SNPRINTF)
 int snprintf( char *buffer, size_t sizeOfBuffer, const char *format, ... );
+#endif
+#if !defined(HAVE_VSNPRINTF)
 int vsnprintf( char *buffer, size_t sizeOfBuffer, const char *format, va_list argptr );
 #endif
 
diff --git a/goldlib/gall/gstrutil.cpp b/goldlib/gall/gstrutil.cpp
index 8842f41..6dd471e 100644
--- a/goldlib/gall/gstrutil.cpp
+++ b/goldlib/gall/gstrutil.cpp
@@ -31,16 +31,6 @@
 // -------------------------------------------------------------------
 // snprintf() and vsnprintf()
 
-// ---- FIXME: All HAVE_* macro should be defined in makefile or created by autoconf
-#ifdef __GNUC__ 
-# define HAVE_SNPRINTF
-# define HAVE_VSNPRINTF
-# define HAVE_STDARG_H
-#endif
-#if  defined(__WATCOMC__)
-# define HAVE__SNPRINTF
-# define HAVE__VSNPRINTF
-#endif
 #if  defined(_MSC_VER)
 /* It is need a workaround for implementation "speciality" in snprintf() and vsnprintf() from Microsoft. */
 int snprintf( char *buffer, size_t sizeOfBuffer, const char *format, ... )