error

./configure: line 5610: syntax error near unexpected token LIBUSB1,libusb-1.0' ./configure: line 5610: PKG_CHECK_MODULES(LIBUSB1,libusb-1.0)'

$ ./configure
checking for a BSD-compatible install... /usr/bin/install -c
checking whether sleep supports fractional seconds... yes
checking filesystem timestamp resolution... 0.01
checking whether build environment is sane... yes
checking for a race-free mkdir -p... /usr/bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking whether make supports nested variables... yes
checking xargs -n works... yes
checking whether make supports the include directive... yes (GNU style)
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking whether gcc understands -c and -o together... yes
checking dependency style of gcc... gcc3
checking how to run the C preprocessor... gcc -E
checking for g++... g++
checking whether the compiler supports GNU C++... yes
checking whether g++ accepts -g... yes
checking for g++ option to enable C++11 features... none needed
checking dependency style of g++... gcc3
checking how to run the C++ preprocessor... g++ -E
checking whether make sets $(MAKE)... (cached) yes
checking whether ln -s works... yes
checking build system type... x86_64-pc-linux-gnu
checking host system type... x86_64-pc-linux-gnu
./configure: line 5610: syntax error near unexpected token LIBUSB1,libusb-1.0' ./configure: line 5610: PKG_CHECK_MODULES(LIBUSB1,libusb-1.0)'