编译的时候遇到了以下错误undefined reference to GOMP_parallel' 已解决，后续放上解决方法 about csf HOT 1 CLOSED

../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(std::vector<csf::Point, std::allocator<csf::Point> >)': CSF.cpp:(.text+0x1a4): undefined reference to GOMP_parallel'
../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(csf::PointCloud&)': CSF.cpp:(.text+0x340): undefined reference to GOMP_parallel'
../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(std::vector<std::vector<float, std::allocator<float> >, std::allocator<std::vector<float, std::allocator<float> > > >)': CSF.cpp:(.text+0x3f8): undefined reference to GOMP_parallel'
../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(std::vector<csf::Point, std::allocator<csf::Point> >) [clone ._omp_fn.0]': CSF.cpp:(.text+0xe57): undefined reference to omp_get_num_threads'
CSF.cpp:(.text+0xe5f): undefined reference to omp_get_thread_num' ../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(csf::PointCloud&) [clone ._omp_fn.1]':
CSF.cpp:(.text+0xfa6): undefined reference to omp_get_num_threads' CSF.cpp:(.text+0xfae): undefined reference to omp_get_thread_num'
../lib/libCSF.a(CSF.cpp.o): In function CSF::setPointCloud(std::vector<std::vector<float, std::allocator<float> >, std::allocator<std::vector<float, std::allocator<float> > > >) [clone ._omp_fn.2]': CSF.cpp:(.text+0x10f2): undefined reference to omp_get_num_threads'
CSF.cpp:(.text+0x10fa): undefined reference to omp_get_thread_num' ../lib/libCSF.a(Cloth.cpp.o): In function Cloth::timeStep()':
Cloth.cpp:(.text+0x8e7): undefined reference to GOMP_parallel' Cloth.cpp:(.text+0x916): undefined reference to GOMP_parallel'
../lib/libCSF.a(Cloth.cpp.o): In function Cloth::terrCollision()': Cloth.cpp:(.text+0xab5): undefined reference to GOMP_parallel'
../lib/libCSF.a(Cloth.cpp.o): In function Cloth::timeStep() [clone ._omp_fn.0]': Cloth.cpp:(.text+0x2b5a): undefined reference to omp_get_num_threads'
Cloth.cpp:(.text+0x2b62): undefined reference to omp_get_thread_num' ../lib/libCSF.a(Cloth.cpp.o): In function Cloth::timeStep() [clone ._omp_fn.1]':
Cloth.cpp:(.text+0x2bed): undefined reference to omp_get_num_threads' Cloth.cpp:(.text+0x2bf5): undefined reference to omp_get_thread_num'
../lib/libCSF.a(Cloth.cpp.o): In function Cloth::terrCollision() [clone ._omp_fn.2]': Cloth.cpp:(.text+0x2c99): undefined reference to omp_get_num_threads'
Cloth.cpp:(.text+0x2ca1): undefined reference to `omp_get_thread_num'
collect2: error: ld returned 1 exit status
CSFDemo/CMakeFiles/csfdemo.dir/build.make:95: recipe for target 'bin/csfdemo' failed
make[2]: *** [bin/csfdemo] Error 1
CMakeFiles/Makefile2:140: recipe for target 'CSFDemo/CMakeFiles/csfdemo.dir/all' failed
make[1]: *** [CSFDemo/CMakeFiles/csfdemo.dir/all] Error 2
Makefile:116: recipe for target 'all' failed
make: *** [all] Error 2

I got problem when i make the c++ version

from csf.