/opt/opt/EmbedSky/4.3.3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: skipping incompatible /usr/local/fftw/lib/libfftw3f.so when searching for -lfftw3f
/opt/opt/EmbedSky/4.3.3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: skipping incompatible /usr/local/fftw/lib/libfftw3f.a when searching for -lfftw3f
/opt/opt/EmbedSky/4.3.3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: cannot find -lfftw3f
/opt/opt/EmbedSky/4.3.3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: skipping incompatible /usr/local/fftw/lib/libfftw3f.a when searching for -lfftw3f
/opt/opt/EmbedSky/4.3.3/bin/../lib/gcc/arm-none-linux-gnueabi/4.3.3/../../../../arm-none-linux-gnueabi/bin/ld: cannot find -lfftw3f
collect2: ld returned 1 exit status
出现如上错误 是编译器和库不兼容
用file xxx.so 查看库文件的信息 得知该版本是pc版本
我是在ARM版本下的qt'里面调用库 所以得需要 ARM版本的库
下面是FFTW-ARM版本的链接
http://www.vesperix.com/arm/fftw-arm/source/index.html#bugs