HI,
I was trying to use math.h file sitting in the MSP folder to run some sqrt
and pow functions. But once I include the file math.h it told me undefined
reference to sqrt and pow. The errors shown in the following:
$ make telosb
mkdir -p build/telosb
compiling TestAesAppC to a telosb binary
ncc -o build/telosb/main.exe -Os -O -mdisable-hwmul -Wall -Wshadow
-Wnesc-all -
target=telosb -fnesc-cfile=build/telosb/app.c -board=
-DDEFINED_TOS_AM_GROUP=0x2
2 -DIDENT_APPNAME=\"TestAesAppC\" -DIDENT_USERNAME=\"EIT\"
-DIDENT_HOSTNAME=\"ws
n\" -DIDENT_USERHASH=0xa200ffadL -DIDENT_TIMESTAMP=0x497fa030L
-DIDENT_UIDHASH=0
xb441b921L -I/opt/tinyos-2.x/tos/lib/printf TestAesAppC.nc -lm
/opt/tinyos-2.x/tos/chips/cc2420/lpl/DummyLplC.nc:39:2: warning: #warning
"*** L
OW POWER COMMUNICATIONS DISABLED ***"
/cygdrive/c/DOCUME~1/EIT/LOCALS~1/Temp/cc7jt2Gp.o: In function
`VirtualizeTimerC
$0$fireTimers':
app.c:(.text+0x1494): undefined reference to `pow'
make: *** [exe0] Error 1
So can anyone help me out? I searched the list. Sum1 said to use lm to link
the math library. How to do it properly? Like make telosb lm? It didnt'
work. Thanks in advance.
Regards,
Bai
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