问题描述
我遵循了https://files.ettus.com/manual/page_build_guide.html
上的指示我无法在Debian上为uhd构建和安装uhd和.cpp文件。 make 命令后出现错误。 make .. 没问题。我认为问题出在NEON。
处理器信息：
cat /proc/cpuinfo
processor : 0
model name : ARMv7 Processor rev 2 (v7l)
BogoMIPS : 995.32
Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32
cpu implementer : 0x41
cpu architecture: 7
cpu variant : 0x3
cpu part : 0xc08
cpu revision : 2
Hardware : Generic AM33XX (Flattened Device Tree)
Revision : 0000
Serial : 4219BBBK05E9
发布：
lsb_release -a
No LSB modules are available.
distributor ID: Debian
Description: Debian GNU/Linux 10 (buster)
Release: 10
Codename: buster
安装：
root@beaglebone:/home/debian/uhd/host/build# make
[ 2%] Built target uhd_rpclib
[ 2%] Built target uhd-resources
[ 3%] Building CXX object lib/CMakeFiles/uhd.dir/convert/convert_with_neon.cpp.o
In file included from /home/debian/uhd/host/lib/convert/convert_with_neon.cpp:10:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h: In member function ‘virtual void __convert_fc32_1_sc16_item32_le_1_PRIORITY_SIMD::operator()(const input_type&,const output_type&,size_t)’:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:6740:1: error: inlining Failed in call to always_inline ‘float32x4_t vdupq_n_f32(float32_t)’: target specific option mismatch
vdupq_n_f32 (float32_t __a)
^~~~~~~~~~~
/home/debian/uhd/host/lib/convert/convert_with_neon.cpp:27:33: note: called from here
float32x4_t Q0 = vdupq_n_f32(float(scale_factor));
~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
In file included from /home/debian/uhd/host/lib/convert/convert_with_neon.cpp:10:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:10844:1: error: inlining Failed in call to always_inline ‘void vst1_s16(int16_t*,int16x4_t)’: target specific option mismatch
vst1_s16 (int16_t * __a,int16x4_t __b)
^~~~~~~~
/home/debian/uhd/host/lib/convert/convert_with_neon.cpp:50:17: note: called from here
vst1_s16((reinterpret_cast<int16_t*>(&output[i + 4])),D13);
~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/debian/uhd/host/lib/convert/convert_with_neon.cpp:10:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:7440:1: error: inlining Failed in call to always_inline ‘int32x4_t vcvtq_s32_f32(float32x4_t)’: target specific option mismatch
vcvtq_s32_f32 (float32x4_t __a)
^~~~~~~~~~~~~
/home/debian/uhd/host/lib/convert/convert_with_neon.cpp:47:39: note: called from here
int32x4_t Q9 = vcvtq_s32_f32(Q8);
~~~~~~~~~~~~~^~~~
In file included from /home/debian/uhd/host/lib/convert/convert_with_neon.cpp:10:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:1172:1: error: inlining Failed in call to always_inline ‘float32x4_t vmulq_f32(float32x4_t,float32x4_t)’: target specific option mismatch
vmulq_f32 (float32x4_t __a,float32x4_t __b)
^~~~~~~~~
/home/debian/uhd/host/lib/convert/convert_with_neon.cpp:46:35: note: called from here
float32x4_t Q8 = vmulq_f32(Q7,Q0);
~~~~~~~~~^~~~~~~~
In file included from /home/debian/uhd/host/lib/convert/convert_with_neon.cpp:10:
/usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:10392:1: error: inlining Failed in call to always_inline ‘float32x4_t vld1q_f32(const float32_t*)’: target specific option mismatch
vld1q_f32 (const float32_t * __a)
^~~~~~~~~
/home/debian/uhd/host/lib/convert/convert_with_neon.cpp:29:36: note: called from here
float32x4_t Q1 = vld1q_f32(reinterpret_cast<const float*>(&input[i]));
~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
make[2]: *** [lib/CMakeFiles/uhd.dir/build.make:502: lib/CMakeFiles/uhd.dir/convert/convert_with_neon.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:129: lib/CMakeFiles/uhd.dir/all] Error 2
make: *** [Makefile:163: all] Error 2
我现在能做什么？
解决方法
编辑文件CMakeCache.txt，位于uhd / host / build/。
//Use NEON SIMD instuctions,if applicable
NEON_SIMD_ENABLE:BOOL=OFF
然后使用：
make
它解决了问题。