HI Pavlin, Please try from scratch cloning the tree from scratch, then cp defconfig .config, then uncomment the following entry in .config: CONFIG_LIBNL32=y and then run "make", and post here the results. Regards, Rami Rosen http://ramirose.wixsite.com/ramirosen On Sun, 9 Sep 2018 at 16:57, <pavlin@xxxxxxxxx> wrote: > > Hi, > > I work as a software tester who has general understanding of C++ > language. > I experiment with simulated Wi-Fi access point and a station. > > My Linux distribution is Fedora 27. > > I try to compile hostap by following the steps from: > https://wireless.wiki.kernel.org/en/users/documentation/hostapd#download_and_compile_hostapd > > I get the source code from: > git://w1.fi/srv/git/hostap.git > > I create a configuration: > cp defconfig .config > vi .config > > Parameter "CONFIG_DRIVER_NL80211=y" is already uncomented. > > make > > ../src/drivers/driver_nl80211.c:17:10: fatal error: netlink/genl/genl.h: > No such file or directory > #include <netlink/genl/genl.h> > ^~~~~~~~~~~~~~~~~~~~~ > compilation terminated. > make: *** [Makefile:1251: ../src/drivers/driver_nl80211.o] Error 1 > > When I search for file "genl.h" > then I don't find it on my system. > > I search for package "libnl", but only "libnl3" is available. > I install it: > yum install libnl3 libnl3-devel > > > I repeat the previous compilation. > I receive the same error. > > When I search for "genl.h" > then I find it in "/usr/include/libnl3/netlink/genl/genl.h". > > The source file "../src/drivers/driver_nl80211.c" > includes "netlink/genl/genl.h". > > To satisfy that requirement I create a soft link: > ln -s /usr/include/libnl3/netlink /usr/include/netlink > > When I rebegin the compilation: > make clean > make > then I receive error: > /usr/bin/ld: cannot find -lnl > collect2: error: ld returned 1 exit status > make: *** [Makefile:1278: hostapd] Error 1 > > > When I browse StackOverflow > and I search for "/usr/bin/ld: cannot find -lnl" > then I find article > "https://stackoverflow.com/questions/16710047/usr-bin-ld-cannot-find-lnameofthelibrary";. > > When I follow the steps from that article > then I receive result: > ================================================== > attempt to open //usr/x86_64-redhat-linux/lib64/libnl.so failed > attempt to open //usr/x86_64-redhat-linux/lib64/libnl.a failed > attempt to open //usr/lib64/libnl.so failed > attempt to open //usr/lib64/libnl.a failed > attempt to open //usr/local/lib64/libnl.so failed > attempt to open //usr/local/lib64/libnl.a failed > attempt to open //lib64/libnl.so failed > attempt to open //lib64/libnl.a failed > attempt to open //usr/x86_64-redhat-linux/lib/libnl.so failed > attempt to open //usr/x86_64-redhat-linux/lib/libnl.a failed > attempt to open //usr/local/lib/libnl.so failed > attempt to open //usr/local/lib/libnl.a failed > attempt to open //lib/libnl.so failed > attempt to open //lib/libnl.a failed > attempt to open //usr/lib/libnl.so failed > attempt to open //usr/lib/libnl.a failed > ld: cannot find -lnl > > > QUESTIONS > 1. What steps to follow in order to compile hostap? > 2. Can you please update the documentation at > "https://wireless.wiki.kernel.org/en/users/documentation/hostapd#download_and_compile_hostapd"; > to the latest release of Fedora? > > > DETAILS > kernel-4.13.16-302.fc27.x86_64 > gcc-7.3.1-6.fc27.x86_64 > rpm -qf $(which /usr/bin/ld) > binutils-2.29-6.fc27.x86_64 > binutils-2.29-13.fc27.x86_64 > > yum search libnl > ================== Name & Summary Matched: libnl ================== > libnl3-doc.x86_64 : API documentation for libnl3 > python-libnl3.x86_64 : libnl3 binding for Python 2 > python2-libnl3.x86_64 : libnl3 binding for Python 2 > python3-libnl3.x86_64 : libnl3 binding for Python 3 > libnl3-cli.x86_64 : Command line interface utils for libnl3 > libnl3-cli.i686 : Command line interface utils for libnl3 > libnl3-devel.x86_64 : Libraries and headers for using libnl3 > libnl3-devel.i686 : Libraries and headers for using libnl3 > ======================= Name Matched: libnl ======================= > libnl3.x86_64 : Convenience library for kernel netlink sockets > libnl3.i686 : Convenience library for kernel netlink sockets
