Enable -ffast-math

[fio.git] / Makefile

diff --git a/Makefile b/Makefile
index 6a1440c105646ffed65a9b6fe84c822fdf49cb34..ba8b997b88ad8f5622e8ca0deb128d010defde6b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,8 @@
-ifneq ($(origin CC), environment)
-CC     = $(CROSS_COMPILE)gcc
-endif
+CC ?= gcc
 DEBUGFLAGS = -D_FORTIFY_SOURCE=2 -DFIO_INC_DEBUG
 CPPFLAGS= -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 \
        $(DEBUGFLAGS)
-OPTFLAGS= -O3 -g $(EXTFLAGS)
+OPTFLAGS= -O3 -g -ffast-math $(EXTFLAGS)
 CFLAGS = -std=gnu99 -Wwrite-strings -Wall $(OPTFLAGS)
 LIBS   = -lm $(EXTLIBS)
 PROGS  = fio
@@ -37,6 +35,7 @@ ifeq ($(UNAME), Android)
   CPPFLAGS += -DFIO_NO_HAVE_SHM_H
 endif
 ifeq ($(UNAME), SunOS)
+  CC      = gcc
   SOURCE += fifo.c lib/strsep.c helpers.c engines/posixaio.c \
                engines/solarisaio.c
   LIBS  += -lpthread -ldl -laio -lrt -lnsl -lsocket
@@ -59,6 +58,7 @@ ifeq ($(UNAME), AIX)
   LDFLAGS += -L/opt/freeware/lib -Wl,-blibpath:/opt/freeware/lib:/usr/lib:/lib -Wl,-bmaxdata:0x80000000
 endif
 ifeq ($(UNAME), HP-UX)
+  CC      = gcc
   SOURCE += fifo.c helpers.c lib/getopt_long.c lib/strsep.c engines/posixaio.c
   LIBS   += -lpthread -ldl -lrt
   CFLAGS += -D_LARGEFILE64_SOURCE