fedora26 安装 jekyll 报错

错误信息

[root@localhost ~]# gem install jekyllBuilding native extensions.  This could take a while...ERROR:  Error installing jekyll:        ERROR: Failed to build gem native extension.    current directory: /usr/local/share/gems/gems/ffi-1.9.18/ext/ffi_c/usr/bin/ruby -r ./siteconf20170611-5518-zl7dpc.rb extconf.rbchecking for ffi.h... *** extconf.rb failed ***Could not create Makefile due to some reason, probably lack of necessarylibraries and/or headers.  Check the mkmf.log file for more details.  You mayneed configuration options.Provided configuration options:        --with-opt-dir        --without-opt-dir        --with-opt-include        --without-opt-include=${opt-dir}/include        --with-opt-lib        --without-opt-lib=${opt-dir}/lib        --with-make-prog        --without-make-prog        --srcdir=.        --curdir        --ruby=/usr/bin/$(RUBY_BASE_NAME)        --with-ffi_c-dir        --without-ffi_c-dir        --with-ffi_c-include        --without-ffi_c-include=${ffi_c-dir}/include        --with-ffi_c-lib        --without-ffi_c-lib=${ffi_c-dir}/lib        --with-libffi-config        --without-libffi-config        --with-pkg-config        --without-pkg-config/usr/share/ruby/mkmf.rb:456:in `try_do': The compiler failed to generate an executable file. (RuntimeError)You have to install development tools first.        from /usr/share/ruby/mkmf.rb:587:in `try_cpp'        from /usr/share/ruby/mkmf.rb:1091:in `block in have_header'        from /usr/share/ruby/mkmf.rb:942:in `block in checking_for'        from /usr/share/ruby/mkmf.rb:350:in `block (2 levels) in postpone'        from /usr/share/ruby/mkmf.rb:320:in `open'        from /usr/share/ruby/mkmf.rb:350:in `block in postpone'        from /usr/share/ruby/mkmf.rb:320:in `open'        from /usr/share/ruby/mkmf.rb:346:in `postpone'        from /usr/share/ruby/mkmf.rb:941:in `checking_for'        from /usr/share/ruby/mkmf.rb:1090:in `have_header'        from extconf.rb:16:in `<main>'To see why this extension failed to compile, please check the mkmf.log which can be found here:  /usr/local/lib/gems/ruby/ffi-1.9.18/mkmf.logextconf failed, exit code 1Gem files will remain installed in /usr/local/share/gems/gems/ffi-1.9.18 for inspection.Results logged to /usr/local/lib/gems/ruby/ffi-1.9.18/gem_make.out

解决

查看 /usr/local/lib/gems/ruby/ffi-1.9.18/mkmf.log

[root@localhost ~]# cat /usr/local/lib/gems/ruby/ffi-1.9.18/mkmf.log"pkg-config --exists libffi"package configuration for libffi is not found"gcc -o conftest -I/usr/include -I/usr/include/ruby/backward -I/usr/include -I.  -D_FILE_OFFSET_BITS=64  -O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fPIC conftest.c  -L. -L/usr/lib -L. -Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -fstack-protector -rdynamic -Wl,-export-dynamic  -m32   -lruby  -lpthread -ldl -lcrypt -lm   -lc"gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directorychecked program was:/* begin */1: #include "ruby.h"2: 3: int main(int argc, char **argv)4: {5:   return 0;6: }/* end */

搜索：

gcc: error: /usr/lib/rpm/redhat/redhat-hardened-cc1: No such file or directory

stackoverflow

安装redhat-rpm-config

sudo dnf install redhat-rpm-config

再执行gem install jekyll成功。