- png16依赖于zlib,本质上需要编译两个库
# 编译ZLIB
prefix=${ZLIB_PREFIX} CC=cc CFLAGS="-fPIC" ./configure
make install
# 编译PNG
./configure --prefix=${PREFIX} LDFLAGS="-L${ZLIB_PREFIX}/lib/" CPPFLAGS="-I${ZLIB_PREFIX}/include -fPIC"
make install
# 编译ZLIB
prefix=${ZLIB_PREFIX} CC=cc CFLAGS="-fPIC" ./configure
make install
# 编译PNG
./configure --prefix=${PREFIX} LDFLAGS="-L${ZLIB_PREFIX}/lib/" CPPFLAGS="-I${ZLIB_PREFIX}/include -fPIC"
make install