-configure:7391: checking for ANSI C header files
-configure:7411: gcc -c -g -O2 conftest.c >&5
-configure:7411: $? = 0
-configure:7484: gcc -o conftest -g -O2 conftest.c >&5
-configure:7484: $? = 0
-configure:7484: ./conftest
-configure:7484: $? = 0
-configure:7495: result: yes
-configure:7508: checking for sys/types.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for sys/stat.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for stdlib.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for string.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for memory.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for strings.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for inttypes.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for stdint.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7508: checking for unistd.h
-configure:7508: gcc -c -g -O2 conftest.c >&5
-configure:7508: $? = 0
-configure:7508: result: yes
-configure:7522: checking for dlfcn.h
-configure:7522: gcc -c -g -O2 conftest.c >&5
-configure:7522: $? = 0
-configure:7522: result: yes
-configure:7728: checking for objdir
-configure:7743: result: .libs
-configure:8014: checking if gcc supports -fno-rtti -fno-exceptions
-configure:8032: gcc -c -g -O2 -fno-rtti -fno-exceptions conftest.c >&5
-cc1: warning: command line option '-fno-rtti' is valid for C++/ObjC++ but not for C [enabled by default]
-configure:8036: $? = 0
-configure:8049: result: no
-configure:8376: checking for gcc option to produce PIC
-configure:8383: result: -fPIC -DPIC
-configure:8391: checking if gcc PIC flag -fPIC -DPIC works
-configure:8409: gcc -c -g -O2 -fPIC -DPIC -DPIC conftest.c >&5
-configure:8413: $? = 0
-configure:8426: result: yes
-configure:8455: checking if gcc static flag -static works
-configure:8483: result: yes
-configure:8498: checking if gcc supports -c -o file.o
-configure:8519: gcc -c -g -O2 -o out/conftest2.o conftest.c >&5
-configure:8523: $? = 0
-configure:8545: result: yes
-configure:8553: checking if gcc supports -c -o file.o
-configure:8600: result: yes
-configure:8633: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
-configure:9790: result: yes
-configure:9827: checking whether -lc should be explicitly linked in
-configure:9835: gcc -c -g -O2 conftest.c >&5
-configure:9838: $? = 0
-configure:9853: gcc -shared -fPIC -DPIC conftest.o -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /bin/grep -lc \>/dev/null 2\>\&1
-configure:9856: $? = 0
-configure:9870: result: no
-configure:10030: checking dynamic linker characteristics
-configure:10530: gcc -o conftest -g -O2 -Wl,-rpath -Wl,/foo conftest.c >&5
-configure:10530: $? = 0
-configure:10764: result: GNU/Linux ld.so
-configure:10871: checking how to hardcode library paths into programs
-configure:10896: result: immediate
-configure:11436: checking whether stripping libraries is possible
-configure:11441: result: yes
-configure:11476: checking if libtool supports shared libraries
-configure:11478: result: yes
-configure:11481: checking whether to build shared libraries
-configure:11502: result: yes
-configure:11505: checking whether to build static libraries
-configure:11509: result: yes
-configure:11602: checking for pkg-config
-configure:11620: found /usr/bin/pkg-config
-configure:11632: result: /usr/bin/pkg-config
-configure:11657: checking pkg-config is at least version 0.9.0
-configure:11660: result: yes
-configure:11670: checking for LIBRTLSDR
-configure:11677: $PKG_CONFIG --exists --print-errors "librtlsdr"
-configure:11680: $? = 0
-configure:11694: $PKG_CONFIG --exists --print-errors "librtlsdr"
-configure:11697: $? = 0
-configure:11755: result: yes
-configure:11764: checking for doxygen
-configure:11795: result: false
-configure:11814: checking for ANSI C header files
-configure:11918: result: yes
-configure:11928: checking for sys/types.h
-configure:11928: result: yes
-configure:11949: checking if gcc supports -fvisibility=hidden
-configure:11955: gcc -c -g -O2 -I/usr/include/ -I/usr/include/libusb-1.0 -fvisibility=hidden conftest.c >&5
-configure:11955: $? = 0
-configure:11956: result: yes
-configure:11967: checking whether compiler understands -Wall
-configure:11982: gcc -c -g -O2 -I/usr/include/ -I/usr/include/libusb-1.0 -Wall -Wextra -Wno-unused -Wsign-compare conftest.c >&5
-configure:11982: $? = 0
-configure:11983: result: yes
-configure:12105: checking that generated files are newer than configure
-configure:12111: result: done
-configure:12138: creating ./config.status
+configure:7889: checking for ANSI C header files
+configure:7909: gcc -c -g -O2 conftest.c >&5
+configure:7909: $? = 0
+configure:7982: gcc -o conftest -g -O2 conftest.c >&5
+configure:7982: $? = 0
+configure:7982: ./conftest
+configure:7982: $? = 0
+configure:7993: result: yes
+configure:8006: checking for sys/types.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for sys/stat.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for stdlib.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for string.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for memory.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for strings.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for inttypes.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for stdint.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8006: checking for unistd.h
+configure:8006: gcc -c -g -O2 conftest.c >&5
+configure:8006: $? = 0
+configure:8006: result: yes
+configure:8020: checking for dlfcn.h
+configure:8020: gcc -c -g -O2 conftest.c >&5
+configure:8020: $? = 0
+configure:8020: result: yes
+configure:8276: checking for objdir
+configure:8291: result: .libs
+configure:8555: checking if gcc supports -fno-rtti -fno-exceptions
+configure:8573: gcc -c -g -O2 -fno-rtti -fno-exceptions conftest.c >&5
+cc1: warning: command line option '-fno-rtti' is valid for C++/ObjC++ but not for C
+configure:8577: $? = 0
+configure:8590: result: no
+configure:8948: checking for gcc option to produce PIC
+configure:8955: result: -fPIC -DPIC
+configure:8963: checking if gcc PIC flag -fPIC -DPIC works
+configure:8981: gcc -c -g -O2 -fPIC -DPIC -DPIC conftest.c >&5
+configure:8985: $? = 0
+configure:8998: result: yes
+configure:9027: checking if gcc static flag -static works
+configure:9055: result: yes
+configure:9070: checking if gcc supports -c -o file.o
+configure:9091: gcc -c -g -O2 -o out/conftest2.o conftest.c >&5
+configure:9095: $? = 0
+configure:9117: result: yes
+configure:9125: checking if gcc supports -c -o file.o
+configure:9172: result: yes
+configure:9205: checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries
+configure:10468: result: yes
+configure:10505: checking whether -lc should be explicitly linked in
+configure:10513: gcc -c -g -O2 conftest.c >&5
+configure:10516: $? = 0
+configure:10531: gcc -shared -fPIC -DPIC conftest.o -v -Wl,-soname -Wl,conftest -o conftest 2\>\&1 \| /bin/grep -lc \>/dev/null 2\>\&1
+configure:10534: $? = 0
+configure:10548: result: no
+configure:10708: checking dynamic linker characteristics
+configure:11289: gcc -o conftest -g -O2 -Wl,-rpath -Wl,/foo conftest.c >&5
+configure:11289: $? = 0
+configure:11538: result: GNU/Linux ld.so
+configure:11660: checking how to hardcode library paths into programs
+configure:11685: result: immediate
+configure:12233: checking whether stripping libraries is possible
+configure:12238: result: yes
+configure:12273: checking if libtool supports shared libraries
+configure:12275: result: yes
+configure:12278: checking whether to build shared libraries
+configure:12303: result: yes
+configure:12306: checking whether to build static libraries
+configure:12310: result: yes
+configure:12403: checking for pkg-config
+configure:12421: found /usr/bin/pkg-config
+configure:12433: result: /usr/bin/pkg-config
+configure:12458: checking pkg-config is at least version 0.9.0
+configure:12461: result: yes
+configure:12471: checking for LIBRTLSDR
+configure:12478: $PKG_CONFIG --exists --print-errors "librtlsdr"
+configure:12481: $? = 0
+configure:12495: $PKG_CONFIG --exists --print-errors "librtlsdr"
+configure:12498: $? = 0
+configure:12556: result: yes
+configure:12565: checking for doxygen
+configure:12583: found /usr/bin/doxygen
+configure:12596: result: /usr/bin/doxygen
+configure:12615: checking for ANSI C header files
+configure:12719: result: yes
+configure:12729: checking for sys/types.h
+configure:12729: result: yes
+configure:12750: checking if gcc supports -fvisibility=hidden
+configure:12756: gcc -c -g -O2 -I/usr/include/ -fvisibility=hidden conftest.c >&5
+configure:12756: $? = 0
+configure:12757: result: yes
+configure:12768: checking whether compiler understands -Wall
+configure:12783: gcc -c -g -O2 -I/usr/include/ -Wall -Wextra -Wno-unused -Wsign-compare conftest.c >&5
+configure:12783: $? = 0
+configure:12784: result: yes
+configure:12906: checking that generated files are newer than configure
+configure:12912: result: done
+configure:12939: creating ./config.status