X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device%2Flib%2Fprintf_fast.c;h=1db100827710ce1ff0e0bf9473662a03f1aae361;hb=5689c6b6b4499a51a342499e09bd58529b1d89ae;hp=698f9fa1b9e7d699c5e4dbf4fe673ffee2e636e7;hpb=0adcbc113c1df48d6d1c5a9d25fbf357da7b1323;p=fw%2Fsdcc

diff --git a/device/lib/printf_fast.c b/device/lib/printf_fast.c
index 698f9fa1..1db10082 100644
--- a/device/lib/printf_fast.c
+++ b/device/lib/printf_fast.c
@@ -119,6 +119,18 @@ static data unsigned int i2bcd_tmp;  // slow 32 int conversion needs temp space
 #define PRINTF_FAST printf_fast
 #endif
 
+
+#if !defined(SDCC_mcs51) || defined(SDCC_USE_XSTACK) || defined(_SDCC_NO_ASM_LIB_FUNCS)
+// Does printf_fast really work on ds390 and ds400?
+// If it does, enable them in the line above
+#if defined(SDCC_USE_XSTACK)
+#warning "printf_fast not built, does not support --xstack"
+#elif defined(_SDCC_NO_ASM_LIB_FUNCS)
+#warning "printf_fast not built, _SDCC_NO_ASM_LIB_FUNCS defined"
+#endif
+#else // defines are compatible with printf_fast
+
+
 void PRINTF_FAST(code char *fmt, ...) reentrant
 {
 	fmt;	/* supress unreferenced variable warning */
@@ -1735,5 +1747,5 @@ static code unsigned char frac2bcd[] = {
 #endif // FLOAT
 
 
-
+#endif // defines compatible with printf_fast