root@ubuntu:~/Desktop/zlx-read-only/libs/src/zlib-1.2.5# ./configure --prefix=/usr/local/xenon/usr
Checking for gcc...
Checking for shared library support...
Tested cc -w -c -mcpu=cell -mtune=cell -m32 -fno-pic -mpowerpc64 /usr/local/xenon/usr/lib/libxenon.a -L/usr/local/xenon/xenon/lib/32/ -T/usr/local/xenon/app.lds -u read -u _start -u exc_base ztest7686.c
`-mcpu=' is deprecated. Use `-mtune=' or '-march=' instead.
cc1: error: unrecognized command line option "-mpowerpc64"
ztest7686.c:1:0: error: bad value (cell) for -mtune= switch
Tested cc -shared -mcpu=cell -mtune=cell -m32 -fno-pic -mpowerpc64 /usr/local/xenon/usr/lib/libxenon.a -L/usr/local/xenon/xenon/lib/32/ -T/usr/local/xenon/app.lds -u read -u _start -u exc_base -o ztest7686.so ztest7686.o
cc: ztest7686.o: No such file or directory
No shared library support; try without defining CC and CFLAGS
Building static library libz.a version 1.2.5 with cc.
Checking for off64_t... No.
Checking for fseeko... No.
Checking for unistd.h... No.
Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf().
Checking for snprintf() in stdio.h... No.
  WARNING: snprintf() not found, falling back to sprintf(). zlib
  can build but will be open to possible buffer-overflow security
  vulnerabilities.
Checking for return value of sprintf()... No.
  WARNING: apparently sprintf() does not return a value. zlib
  can build but will be open to possible string-format security
  vulnerabilities.