To distinguish between internal and external includes of fio.h and other headers FIO_INTERNAL get applied only for the fio (and gfio) internal build itself. This helps to prevent double-declaration issues by making ambigous declaration with common names coditional based on the FIO_INTERNAL define. Signed-off-by: Daniel Gollub <daniel.gollub@xxxxxxxxx> --- Makefile | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Makefile b/Makefile index e7659c4..a0f0f71 100644 --- a/Makefile +++ b/Makefile @@ -15,7 +15,7 @@ include config-host.mak endif DEBUGFLAGS = -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG -CPPFLAGS= -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 $(DEBUGFLAGS) +CPPFLAGS= -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -DFIO_INTERNAL $(DEBUGFLAGS) OPTFLAGS= -O3 -g -ffast-math CFLAGS = -std=gnu99 -Wwrite-strings -Wall -Wdeclaration-after-statement $(OPTFLAGS) $(EXTFLAGS) $(BUILD_CFLAGS) LIBS += -lm $(EXTLIBS) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html