#1 doesn't compile

[Anonymous]

fusspilz:/platte1/linux/downloads/xlreader/xlreader-
0.9.0 # make
gcc -c -ggdb -Wall main.c
gcc -c -ggdb -Wall interger.c
interger.c:50: warning: `BIG_ENDIAN' redefined
/usr/include/endian.h:47: warning: this is the
location of the previous definition
interger.c:51: warning: `LITTLE_ENDIAN' redefined
/usr/include/endian.h:46: warning: this is the
location of the previous definition
gcc -c -ggdb -Wall book.c
gcc -c -ggdb -Wall record.c
gcc -c -ggdb -Wall sheet.c
gcc -c -ggdb -Wall handler.c
gcc -c -ggdb -Wall cell.c
gcc -c -ggdb -Wall sstlist.c
gcc -c -ggdb -Wall format.c
format.c: In function `book_format_sql':
format.c:155: warning: implicit declaration of
function `strcat'
gcc -c -ggdb -Wall formatting.c
gcc -L/usr/local/lib -lm main.o interger.o book.o
record.o sheet.o handler.o cell.o sstlist.o format.o
formatting.o -o xlreader
cell.o: In function `cell_getprecision':
/platte1/linux/downloads/xlreader/xlreader-
0.9.0/cell.c:83: undefined reference to `pow'
collect2: ld returned 1 exit status
make: *** [xlreader] Error 1