prepare BPF high level compiler

ZerBea · Nov 27, 2023 · 8ef19c6 · 8ef19c6
1 parent 5eba086
commit 8ef19c6
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Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -19,7 +19,10 @@ CFLAGS		?= -O3 -Wall -Wextra -Wpedantic
 CFLAGS		+= -std=gnu99
 #CFLAGS		+= -ggdb -fsanitize=address
 DEFS		= -DVERSION_TAG=\"$(VERSION_TAG)\" -DVERSION_YEAR=\"$(VERSION_YEAR)\"
-DEFS		+= -DSTATUSOUT -DNMEAOUT
+# comment to disable GPS support
+DEFS		+= -DNMEAOUT
+# comment to disable STATUS display (headless operation)
+DEFS		+= -DSTATUSOUT
 
 INSTALL		?= install
 INSTFLAGS	=

diff --git a/include/radiotap.h b/include/radiotap.h
@@ -1,5 +1,7 @@
 /*===========================================================================*/
+#ifndef DLT_IEEE802_11_RADIO
 #define	DLT_IEEE802_11_RADIO	127
+#endif
 /*===========================================================================*/
 #define IEEE80211_RADIOTAP_TSFT			0x00000001
 #define IEEE80211_RADIOTAP_FLAGS		0x00000002