Building native extensions.  This could take a while...
ERROR:  Error installing rugged:
    ERROR: Failed to build gem native extension.

    current directory: /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/rugged-0.28.2/ext/rugged
/home/gleb/.rbenv/versions/2.4.1/bin/ruby -r ./siteconf20190731-16700-1ole0mw.rb extconf.rb
checking for gmake... no
checking for make... yes
checking for cmake... yes
checking for pkg-config... yes
-- The C compiler identification is GNU 7.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.29.1")
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - not found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Performing Test HAVE_STRUCT_STAT_ST_MTIM
-- Performing Test HAVE_STRUCT_STAT_ST_MTIM - Success
-- Performing Test HAVE_STRUCT_STAT_ST_MTIMESPEC
-- Performing Test HAVE_STRUCT_STAT_ST_MTIMESPEC - Failed
-- Performing Test HAVE_STRUCT_STAT_MTIME_NSEC
-- Performing Test HAVE_STRUCT_STAT_MTIME_NSEC - Failed
-- Performing Test HAVE_STRUCT_STAT_NSEC
-- Performing Test HAVE_STRUCT_STAT_NSEC - Success
-- Performing Test IS_WALL_SUPPORTED
-- Performing Test IS_WALL_SUPPORTED - Success
-- Performing Test IS_WEXTRA_SUPPORTED
-- Performing Test IS_WEXTRA_SUPPORTED - Success
-- Performing Test IS_WDOCUMENTATION_SUPPORTED
-- Performing Test IS_WDOCUMENTATION_SUPPORTED - Failed
-- Performing Test IS_WNO_MISSING_FIELD_INITIALIZERS_SUPPORTED
-- Performing Test IS_WNO_MISSING_FIELD_INITIALIZERS_SUPPORTED - Success
-- Performing Test IS_WSTRICT_ALIASING_SUPPORTED
-- Performing Test IS_WSTRICT_ALIASING_SUPPORTED - Success
-- Performing Test IS_WSTRICT_PROTOTYPES_SUPPORTED
-- Performing Test IS_WSTRICT_PROTOTYPES_SUPPORTED - Success
-- Performing Test IS_WDECLARATION_AFTER_STATEMENT_SUPPORTED
-- Performing Test IS_WDECLARATION_AFTER_STATEMENT_SUPPORTED - Success
-- Performing Test IS_WSHIFT_COUNT_OVERFLOW_SUPPORTED
-- Performing Test IS_WSHIFT_COUNT_OVERFLOW_SUPPORTED - Success
-- Performing Test IS_WUNUSED_CONST_VARIABLE_SUPPORTED
-- Performing Test IS_WUNUSED_CONST_VARIABLE_SUPPORTED - Success
-- Performing Test IS_WUNUSED_FUNCTION_SUPPORTED
-- Performing Test IS_WUNUSED_FUNCTION_SUPPORTED - Success
-- Performing Test IS_WFORMAT_SUPPORTED
-- Performing Test IS_WFORMAT_SUPPORTED - Success
-- Performing Test IS_WFORMAT_SECURITY_SUPPORTED
-- Performing Test IS_WFORMAT_SECURITY_SUPPORTED - Success
-- Performing Test IS_WINT_CONVERSION_SUPPORTED
-- Performing Test IS_WINT_CONVERSION_SUPPORTED - Success
-- Performing Test IS_WNO_DOCUMENTATION_DEPRECATED_SYNC_SUPPORTED
-- Performing Test IS_WNO_DOCUMENTATION_DEPRECATED_SYNC_SUPPORTED - Success
-- Looking for regcomp_l
-- Looking for regcomp_l - not found
-- Looking for regcomp
-- Looking for regcomp - found
-- Looking for futimens
-- Looking for futimens - found
-- Checking prototype qsort_r for HAVE_QSORT_R_BSD - False
-- Checking prototype qsort_r for HAVE_QSORT_R_GNU - True
-- Looking for qsort_s
-- Looking for qsort_s - not found
-- Looking for clock_gettime in rt
-- Looking for clock_gettime in rt - found
-- Found OpenSSL: /usr/lib/x86_64-linux-gnu/libcrypto.so (found version "1.1.1")
-- Could NOT find HTTP_Parser (missing: HTTP_PARSER_INCLUDE_DIR HTTP_PARSER_LIBRARY)
-- http-parser version 2 was not found or disabled; using bundled 3rd-party sources.
-- Performing Test IS_WIMPLICIT_FALLTHROUGH_1_SUPPORTED
-- Performing Test IS_WIMPLICIT_FALLTHROUGH_1_SUPPORTED - Success
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.2.11")
-- Checking for module 'libssh2'
--   Found libssh2, version 1.8.1_DEV
--   Resolved libraries: /usr/local/lib/libssh2.a
-- Looking for libssh2_userauth_publickey_frommemory in /usr/local/lib/libssh2.a
-- Looking for libssh2_userauth_publickey_frommemory in /usr/local/lib/libssh2.a - not found
-- Enabled features:
 * threadsafe, threadsafe support
 * HTTPS, using OpenSSL
 * SHA, using CollisionDetection
 * http-parser, http-parser support (bundled)
 * zlib, using system zlib
 * SSH, SSH transport support

-- Disabled features:
 * debugpool, debug pool allocator
 * tracing, tracing support
 * SPNEGO, SPNEGO authentication support
 * iconv, iconv encoding conversion support

-- Configuring done
-- Generating done
-- Build files have been written to: /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/rugged-0.28.2/vendor/libgit2/build
 -- /usr/bin/make
checking for -lgit2... yes
checking for git2.h... yes
creating Makefile

current directory: /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/rugged-0.28.2/ext/rugged
make "DESTDIR=" clean

current directory: /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/rugged-0.28.2/ext/rugged
make "DESTDIR="
compiling rugged.c
rugged.c: In function ‘rugged_exception_raise’:
rugged.c:317:6: warning: function might be candidate for attribute ‘noreturn’ [-Wsuggest-attribute=noreturn]
 void rugged_exception_raise(void)
      ^~~~~~~~~~~~~~~~~~~~~~
rugged.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
compiling rugged_allocator.c
compiling rugged_backend.c
compiling rugged_blame.c
compiling rugged_blob.c
compiling rugged_branch.c
compiling rugged_branch_collection.c
compiling rugged_commit.c
compiling rugged_config.c
compiling rugged_cred.c
compiling rugged_diff.c
compiling rugged_diff_delta.c
compiling rugged_diff_hunk.c
compiling rugged_diff_line.c
compiling rugged_index.c
compiling rugged_note.c
compiling rugged_object.c
compiling rugged_patch.c
compiling rugged_rebase.c
compiling rugged_reference.c
compiling rugged_reference_collection.c
compiling rugged_remote.c
compiling rugged_remote_collection.c
compiling rugged_repo.c
compiling rugged_revwalk.c
compiling rugged_settings.c
compiling rugged_signature.c
compiling rugged_submodule.c
compiling rugged_submodule_collection.c
compiling rugged_tag.c
compiling rugged_tag_collection.c
compiling rugged_tree.c
linking shared-object rugged/rugged.so
/usr/bin/ld: /usr/local/lib/libssh2.a(agent.c.o): relocation R_X86_64_PC32 against symbol `libssh2_agent_disconnect' can not be used when making a shared object; recompile with -fPIC
/usr/bin/ld: final link failed: Bad value
collect2: error: ld returned 1 exit status
Makefile:257: recipe for target 'rugged.so' failed
make: *** [rugged.so] Error 1

make failed, exit code 2

Gem files will remain installed in /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/gems/rugged-0.28.2 for inspection.
Results logged to /home/gleb/.rbenv/versions/2.4.1/lib/ruby/gems/2.4.0/extensions/x86_64-linux/2.4.0-static/rugged-0.28.2/gem_make.out