The branch, master has been updated
       via  c26835a gitlab-ci: Disable the FreeBSD runner
       via  7628650 gitlab-ci: Add helgrind tests
       via  bee622b gitlab-ci: Add runners and toolchain files
       via  ab9cf16 tests: Init in_addr only once in test_tcp_socket_overwrite
       via  35174c8 tests: Return an error if setenv() fails in test_max_sockets
       via  b6f1a42 tests: Check the correct return code in 
test_thread_echo_tcp_write_read
       via  d588231 tests: Check return code of connect in 
test_thread_echo_tcp_sendmsg_recvmsg
       via  7232dee tests: Check the return code of connect in 
test_echo_udp_sendmsg_recvmsg
       via  6e65180 tests: Check return code of connnect in 
test_echo_tcp_sendmsg_recvmsg
       via  545d0b7 echo_srv: Check for a valid pidfile pointer
       via  04091a9 echo_srv: Only use 128K as buffer size instead of 4MB
       via  c49a629 torture: Wait longer for echo_srv startup
       via  9289145 echo_srv: Do not close bogus file descriptors
       via  326e9f8 swrap: Don't do a deep bind if we run with libasan
       via  370ece1 swrap: Add a mutex for resetting socket index
       via  0b1a43e swrap: Fix helgrind errors
       via  a2a8a80 tests: Use assert_return_code() to get errno
       via  0983cd2 tests: Avoid -Wcast-align warning
       via  3d340c3 tests: Fix -Wformat gcc warning
       via  702f2fb cmake: Fix checking for required system libraries
       via  62080ac cmake: Use target_include_directories()
       via  d3d419b cmake: Require modern cmake version
       via  b976977 cmake: Update AddCMockaTest
       via  b91dae5 cmake: Update cmocka requirement
       via  4adb5cf cmake: Support running the tests with AddressSanitizer
       via  da17de1 cmake: Add CFLAGS for AddressSanitizer and 
UndefinedSanitizer
       via  402f548 cmake: Move Compiler flags to new file
       via  013687b cmake: Remove obsolete DefineCompilerFlags.cmake
       via  aa9b0da cmake: Improve checks for compiler flags
       via  5672618 cmake: Update CMake defaults
       via  a5df8fc cmake: Suppress helgrind race condition warning we created 
on purpose
       via  da4b908 cmake: Create an error if helgrind finds a bug
       via  f465bf4 cmake: Write helgrind logs to stderr so we can see them
       via  1ef1728 cmake: Don't misuse CMAKE_REQUIRED_LIBRARIES
      from  5bbd6ad tests: Update valgrind suppression file

https://git.samba.org/?p=socket_wrapper.git;a=shortlog;h=master


- Log -----------------------------------------------------------------
commit c26835ad5b0165efe51535b9e11c9d7282eca4b2
Author: Andreas Schneider <a...@samba.org>
Date:   Tue Oct 2 16:40:16 2018 +0200

    gitlab-ci: Disable the FreeBSD runner
    
    There is a threading race condition in FreeBSD.
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 76286508446f6c1b278021e1074b1c078ae0caf7
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 21:10:45 2018 +0200

    gitlab-ci: Add helgrind tests
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit bee622ba59ae933f219a2efba1c3f1a1d53a9783
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 17:56:11 2018 +0200

    gitlab-ci: Add runners and toolchain files
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit ab9cf16f48fd996e77117bd48eddecd869397ffa
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:34:44 2018 +0200

    tests: Init in_addr only once in test_tcp_socket_overwrite
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 35174c856c0c464e13f72c5e4b82a976d1c84c2a
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:28:27 2018 +0200

    tests: Return an error if setenv() fails in test_max_sockets
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit b6f1a42a7e88ff0376f92911813f3f0f56d8ccf9
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:28:06 2018 +0200

    tests: Check the correct return code in test_thread_echo_tcp_write_read
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit d588231d05fa80bce1e860f9797d7a4a7624c670
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:27:40 2018 +0200

    tests: Check return code of connect in test_thread_echo_tcp_sendmsg_recvmsg
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 7232dee952f4d4da4e670ff918589ec22a323631
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:31:19 2018 +0200

    tests: Check the return code of connect in test_echo_udp_sendmsg_recvmsg
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 6e651805d42d808abb374f725dd5c5e25fe3ff1a
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Oct 1 21:27:14 2018 +0200

    tests: Check return code of connnect in test_echo_tcp_sendmsg_recvmsg
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 545d0b77d3308fde3de50c446b02ef1571b5cfa6
Author: Andreas Schneider <a...@cryptomilk.org>
Date:   Mon Oct 1 21:23:31 2018 +0200

    echo_srv: Check for a valid pidfile pointer
    
    Signed-off-by: Andreas Schneider <a...@cryptomilk.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 04091a9e1684970cca87a046f394addfb0c6664b
Author: Andreas Schneider <a...@cryptomilk.org>
Date:   Mon Oct 1 10:54:53 2018 +0200

    echo_srv: Only use 128K as buffer size instead of 4MB
    
    This produced errors built with clang.
    
    Signed-off-by: Andreas Schneider <a...@cryptomilk.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit c49a62956df63d8e2110de3a91bd69981a05a789
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 18:19:42 2018 +0200

    torture: Wait longer for echo_srv startup
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 92891453fb69adb66ea591ed1343c2da821b09d3
Author: Andreas Schneider <a...@samba.org>
Date:   Fri Sep 28 12:55:49 2018 +0200

    echo_srv: Do not close bogus file descriptors
    
    ==1564== Warning: invalid file descriptor 1048564 in syscall close()
    ==1564==    at 0x4D18534: close (in /lib64/libc-2.27.so)
    ==1564==    by 0x4046A74: libc_close (socket_wrapper.c:760)
    ==1564==    by 0x405105C: swrap_close (socket_wrapper.c:5933)
    ==1564==    by 0x40511F5: close (socket_wrapper.c:5979)
    ==1564==    by 0x401679: become_daemon (echo_srv.c:202)
    ==1564==    by 0x402D44: main (echo_srv.c:896)
    ==1563==
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 326e9f8cd33aeac5d4010910cd32f98b7365bdb7
Author: Andreas Schneider <a...@samba.org>
Date:   Sat Sep 1 19:36:19 2018 +0200

    swrap: Don't do a deep bind if we run with libasan
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 370ece1e1142be6ce0f153b12b0d8cda1dbcf100
Author: Andreas Schneider <a...@samba.org>
Date:   Fri Sep 28 12:46:30 2018 +0200

    swrap: Add a mutex for resetting socket index
    
    Fixes a helgrind error.
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 0b1a43e384e2173de0bafefd000127f3cef5b139
Author: Anoop C S <anoo...@redhat.com>
Date:   Wed Sep 19 13:41:49 2018 +0530

    swrap: Fix helgrind errors
    
    Signed-off-by: Anoop C S <anoo...@redhat.com>
    Reviewed-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit a2a8a804405c439082af3083b2ec4c804ca71049
Author: Andreas Schneider <a...@samba.org>
Date:   Fri Sep 28 08:11:57 2018 +0200

    tests: Use assert_return_code() to get errno
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 0983cd2fd88cf580f60fe0cf6b0ddcdfcd18d249
Author: Anoop C S <anoo...@redhat.com>
Date:   Thu Aug 30 04:48:30 2018 +0530

    tests: Avoid -Wcast-align warning
    
    warning: cast from 'struct sockaddr *' to 'struct sockaddr_in *'
                    increases required alignment from 2 to 4 [-Wcast-align]
            struct sockaddr_in *sinp = (struct sockaddr_in *)to; 
^~~~~~~~~~~~~~~~~~~~~~~~
    
    Above warning can be avoided by making use of sockaddr_in available
    within torture_address from the caller of echo_udp_recv_from_to().
    Following that sa_socklen from torture_address can be used instead of
    passing sa_socklen explicitly to echo_udp_recv_from_to().
    
    Signed-off-by: Anoop C S <anoo...@redhat.com>
    Reviewed-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 3d340c30517b90853318fe60ec239bf2bf789931
Author: Anoop C S <anoo...@redhat.com>
Date:   Tue Aug 28 22:11:31 2018 +0530

    tests: Fix -Wformat gcc warning
    
    test_fork_thread_deadlock.c:48:25: warning: format ‘%d’ expects argument
        of type ‘int’, but argument 3 has type ‘pid_t {aka long int}’ 
[-Wformat=]
    
    Signed-off-by: Anoop C S <anoo...@redhat.com>
    Reviewed-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 702f2fb52f90273b86ef6d1f117814bd08fcc542
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 18:31:26 2018 +0200

    cmake: Fix checking for required system libraries
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 62080ac13dd2c5e38c49412bced652f1b314bda0
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 17:52:19 2018 +0200

    cmake: Use target_include_directories()
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit d3d419bd29c71cc5ea61ac0bdbf1736148a7cccc
Author: Andreas Schneider <a...@samba.org>
Date:   Mon Sep 10 08:34:03 2018 +0200

    cmake: Require modern cmake version
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit b976977a5355b67bd563e363abb3d2cb7fa6d3c9
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 17:22:57 2018 +0200

    cmake: Update AddCMockaTest
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit b91dae57e472cafe1c2014b84f79a9552d53579c
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 17:50:02 2018 +0200

    cmake: Update cmocka requirement
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 4adb5cf4748feaf190e1da2444d1ed822314a2f0
Author: Andreas Schneider <a...@samba.org>
Date:   Sat Sep 1 20:46:52 2018 +0200

    cmake: Support running the tests with AddressSanitizer
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit da17de1693abeb5f163ab6b6a85fcfceb1db68ce
Author: Andreas Schneider <a...@samba.org>
Date:   Wed Sep 5 15:39:35 2018 +0200

    cmake: Add CFLAGS for AddressSanitizer and UndefinedSanitizer
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 402f548051549edb764184f901e83ee7ece06b29
Author: Andreas Schneider <a...@samba.org>
Date:   Wed Sep 5 15:38:37 2018 +0200

    cmake: Move Compiler flags to new file
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 013687b2ccd6c8436e552e6ada2e7f73b8dfd7cd
Author: Andreas Schneider <a...@samba.org>
Date:   Sun Sep 2 11:18:45 2018 +0200

    cmake: Remove obsolete DefineCompilerFlags.cmake
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit aa9b0da96927e957f6ed0b1b9d51b16db90ea2af
Author: Andreas Schneider <a...@samba.org>
Date:   Sun Sep 2 11:18:09 2018 +0200

    cmake: Improve checks for compiler flags
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 567261810523f2ab3af10268fc4a64d863ce2c93
Author: Andreas Schneider <a...@samba.org>
Date:   Tue Oct 2 16:37:43 2018 +0200

    cmake: Update CMake defaults
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit a5df8fc8f5f22ba561a39b3eb752766cb62d7f71
Author: Andreas Schneider <a...@samba.org>
Date:   Fri Sep 28 11:01:15 2018 +0200

    cmake: Suppress helgrind race condition warning we created on purpose
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit da4b908371ddc05a8402794b6929979449e4132a
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 27 21:08:23 2018 +0200

    cmake: Create an error if helgrind finds a bug
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit f465bf4d82c1f995fd7629484f7acf21b1156df0
Author: Andreas Schneider <a...@samba.org>
Date:   Thu Sep 6 18:40:17 2018 +0200

    cmake: Write helgrind logs to stderr so we can see them
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

commit 1ef17288f30cc064c0099e0437f8fade4e739541
Author: Andreas Schneider <a...@samba.org>
Date:   Sat Sep 1 20:32:04 2018 +0200

    cmake: Don't misuse CMAKE_REQUIRED_LIBRARIES
    
    Signed-off-by: Andreas Schneider <a...@samba.org>
    Reviewed-by: Ralph Boehme <s...@samba.org>

-----------------------------------------------------------------------

Summary of changes:
 .gitlab-ci.yml                               | 222 +++++++++++++++++++++++++++
 CMakeLists.txt                               |  21 +--
 CompilerChecks.cmake                         | 108 +++++++++++++
 ConfigureChecks.cmake                        |  24 +--
 DefineOptions.cmake                          |   1 +
 cmake/Modules/AddCCompilerFlag.cmake         |  21 +++
 cmake/Modules/AddCMockaTest.cmake            | 125 +++++++++++++--
 cmake/Modules/CheckCCompilerFlagSSP.cmake    |  36 ++++-
 cmake/Modules/DefineCMakeDefaults.cmake      |  15 +-
 cmake/Modules/DefineCompilerFlags.cmake      |  99 +++++-------
 cmake/Toolchain-Debian-mips.cmake            |  21 +++
 src/CMakeLists.txt                           |  10 +-
 src/socket_wrapper.c                         |  76 ++++++++-
 tests/CMakeLists.txt                         |  71 +++++++--
 tests/echo_srv.c                             |  56 +++----
 tests/helgrind.supp                          |  11 ++
 tests/test_echo_tcp_sendmsg_recvmsg.c        |   3 +
 tests/test_echo_udp_sendmsg_recvmsg.c        |   3 +
 tests/test_echo_udp_sendto_recvfrom.c        |  16 +-
 tests/test_fork_thread_deadlock.c            |   2 +-
 tests/test_max_sockets.c                     |   2 +-
 tests/test_tcp_socket_overwrite.c            |  10 +-
 tests/test_thread_echo_tcp_sendmsg_recvmsg.c |   2 +
 tests/test_thread_echo_tcp_write_read.c      |   2 +-
 tests/torture.c                              |   4 +-
 25 files changed, 765 insertions(+), 196 deletions(-)
 create mode 100644 .gitlab-ci.yml
 create mode 100644 CompilerChecks.cmake
 create mode 100644 cmake/Modules/AddCCompilerFlag.cmake
 create mode 100644 cmake/Toolchain-Debian-mips.cmake
 create mode 100644 tests/helgrind.supp


Changeset truncated at 500 lines:

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..1f9dab3
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,222 @@
+variables:
+  BUILD_IMAGES_PROJECT: cmocka/gitlab-build-images
+  FEDORA_BUILD: buildenv-fedora
+  CENTOS7_BUILD: buildenv-centos7
+  TUMBLEWEED_BUILD: buildenv-tumbleweed
+  MINGW_BUILD: buildenv-mingw
+  DEBIAN_CROSS_BUILD: buildenv-debian-cross
+
+centos7/x86_64:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$CENTOS7_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake3
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+fedora/x86_64:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$FEDORA_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+fedora/address-sanitizer:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$FEDORA_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=AddressSanitizer
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+fedora/undefined-sanitizer:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$FEDORA_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=UndefinedSanitizer
+    -DUNIT_TESTING=ON ..
+    && make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+# This runner is disabled because there is a threading race condition in
+# FreeBSD.
+# See https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231848
+.freebsd/x86_64:
+  image:
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make && ctest --output-on-failure
+  tags:
+  - freebsd
+  except:
+  - tags
+  only:
+  - branches@cwrap/socket_wrapper
+  - branches@cryptomilk/socket_wrapper
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+.Debian.cross.template: &Debian_cross_template
+  stage: test
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$DEBIAN_CROSS_BUILD
+  script:
+  - build=$(dpkg-architecture -qDEB_HOST_GNU_TYPE)
+  - host="${CI_JOB_NAME#*.cross.}"
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-Debian-mips.cmake
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DUNIT_TESTING=ON .. && make -j$(nproc) &&
+    ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+Debian.cross.mips-linux-gnu:
+  <<: *Debian_cross_template
+
+tumbleweed/x86_64/gcc:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$TUMBLEWEED_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+tumbleweed/x86_64/gcc7:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$TUMBLEWEED_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_C_COMPILER=gcc-7 -DCMAKE_CXX_COMPILER=g++-7
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+tumbleweed/x86_64/clang:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$TUMBLEWEED_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=RelWithDebInfo
+    -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
+
+tumbleweed/static-analysis:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$TUMBLEWEED_BUILD
+  script:
+  - export CCC_CC=clang
+  - export CCC_CXX=clang++
+  - mkdir -p obj && cd obj && scan-build cmake
+    -DCMAKE_BUILD_TYPE=Debug
+    -DCMAKE_C_COMPILER=clang -DCMAKE_CXX_COMPILER=clang++
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON .. &&
+    scan-build --status-bugs -o scan make -j$(nproc)
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/scan
+
+tumbleweed/helgrind:
+  image: $CI_REGISTRY/$BUILD_IMAGES_PROJECT:$TUMBLEWEED_BUILD
+  script:
+  - mkdir -p obj && cd obj && cmake
+    -DCMAKE_BUILD_TYPE=Debug
+    -DPICKY_DEVELOPER=ON
+    -DUNIT_TESTING=ON
+    -DHELGRIND_TESTING=ON .. &&
+    make -j$(nproc) && ctest --output-on-failure
+  tags:
+  - shared
+  except:
+  - tags
+  artifacts:
+    expire_in: 1 week
+    when: on_failure
+    paths:
+      - obj/
diff --git a/CMakeLists.txt b/CMakeLists.txt
index efb30d8..35527f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,7 +1,16 @@
 # Required cmake version
-cmake_minimum_required(VERSION 2.8.5)
+cmake_minimum_required(VERSION 3.5.0)
 cmake_policy(SET CMP0048 NEW)
 
+# Specify search path for CMake modules to be loaded by include() 
+# and find_package()
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules")
+
+# Add defaults for cmake
+# Those need to be set before the project() call.
+include(DefineCMakeDefaults)
+include(DefineCompilerFlags)
+
 project(socket_wrapper VERSION 1.1.9 LANGUAGES C)
 
 # global needed variables
@@ -17,18 +26,12 @@ set(APPLICATION_NAME ${PROJECT_NAME})
 set(LIBRARY_VERSION "0.1.9")
 set(LIBRARY_SOVERSION "0")
 
-# where to look first for cmake modules, before ${CMAKE_ROOT}/Modules/ is 
checked
-set(CMAKE_MODULE_PATH
-  ${CMAKE_SOURCE_DIR}/cmake/Modules
-)
-
 # add definitions
-include(DefineCMakeDefaults)
 include(DefinePlatformDefaults)
-include(DefineCompilerFlags)
 include(DefineInstallationPaths)
 include(DefineOptions.cmake)
 include(CPackConfig.cmake)
+include(CompilerChecks.cmake)
 
 # disallow in-source build
 include(MacroEnsureOutOfSourceBuild)
@@ -46,7 +49,7 @@ configure_file(config.h.cmake 
${CMAKE_CURRENT_BINARY_DIR}/config.h)
 add_subdirectory(src)
 
 if (UNIT_TESTING)
-    find_package(cmocka 0.4.1 REQUIRED)
+    find_package(cmocka 1.1.0 REQUIRED)
 
     include(AddCMockaTest)
     add_subdirectory(tests)
diff --git a/CompilerChecks.cmake b/CompilerChecks.cmake
new file mode 100644
index 0000000..f5a3c7f
--- /dev/null
+++ b/CompilerChecks.cmake
@@ -0,0 +1,108 @@
+include(AddCCompilerFlag)
+include(CheckCCompilerFlagSSP)
+
+if (UNIX)
+    #
+    # Check for -Werror turned on if possible
+    #
+    # This will prevent that compiler flags are detected incorrectly.
+    #
+    check_c_compiler_flag("-Werror" REQUIRED_FLAGS_WERROR)
+    if (REQUIRED_FLAGS_WERROR)
+        set(CMAKE_REQUIRED_FLAGS "-Werror")
+
+        if (PICKY_DEVELOPER)
+            list(APPEND SUPPORTED_COMPILER_FLAGS "-Werror")
+        endif()
+    endif()
+
+    add_c_compiler_flag("-std=gnu99" SUPPORTED_COMPILER_FLAGS)
+    #add_c_compiler_flag("-Wpedantic" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wall" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wshadow" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wmissing-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wcast-align" SUPPORTED_COMPILER_FLAGS)
+    #add_c_compiler_flag("-Wcast-qual" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=address" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wstrict-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=strict-prototypes" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wwrite-strings" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=write-strings" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror-implicit-function-declaration" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wpointer-arith" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=pointer-arith" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wdeclaration-after-statement" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=declaration-after-statement" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wreturn-type" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=return-type" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wuninitialized" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=uninitialized" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wimplicit-fallthrough" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=strict-overflow" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wstrict-overflow=2" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Wno-format-zero-length" SUPPORTED_COMPILER_FLAGS)
+
+    check_c_compiler_flag("-Wformat" REQUIRED_FLAGS_WFORMAT)
+    if (REQUIRED_FLAGS_WFORMAT)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-Wformat")
+        set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Wformat")
+    endif()
+    add_c_compiler_flag("-Wformat-security" SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("-Werror=format-security" SUPPORTED_COMPILER_FLAGS)
+
+    # Allow zero for a variadic macro argument
+    string(TOLOWER "${CMAKE_C_COMPILER_ID}" _C_COMPILER_ID)
+    if ("${_C_COMPILER_ID}" STREQUAL "clang")
+        add_c_compiler_flag("-Wno-gnu-zero-variadic-macro-arguments" 
SUPPORTED_COMPILER_FLAGS)
+    endif()
+
+    add_c_compiler_flag("-fno-common" SUPPORTED_COMPILER_FLAGS)
+
+    if (CMAKE_BUILD_TYPE)
+        string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
+        if (CMAKE_BUILD_TYPE_LOWER MATCHES (release|relwithdebinfo|minsizerel))
+            add_c_compiler_flag("-Wp,-D_FORTIFY_SOURCE=2" 
SUPPORTED_COMPILER_FLAGS)
+        endif()
+    endif()
+
+    check_c_compiler_flag_ssp("-fstack-protector-strong" 
WITH_STACK_PROTECTOR_STRONG)
+    if (WITH_STACK_PROTECTOR_STRONG)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-protector-strong")
+        # This is needed as Solaris has a seperate libssp
+        if (SOLARIS)
+            list(APPEND SUPPORTED_LINKER_FLAGS "-fstack-protector-strong")
+        endif()
+    else (WITH_STACK_PROTECTOR_STRONG)
+        check_c_compiler_flag_ssp("-fstack-protector" WITH_STACK_PROTECTOR)
+        if (WITH_STACK_PROTECTOR)
+            list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-protector")
+            # This is needed as Solaris has a seperate libssp
+            if (SOLARIS)
+                list(APPEND SUPPORTED_LINKER_FLAGS "-fstack-protector")
+            endif()
+        endif()
+    endif (WITH_STACK_PROTECTOR_STRONG)
+
+    check_c_compiler_flag_ssp("-fstack-clash-protection" 
WITH_STACK_CLASH_PROTECTION)
+    if (WITH_STACK_CLASH_PROTECTION)
+        list(APPEND SUPPORTED_COMPILER_FLAGS "-fstack-clash-protection")
+    endif()
+
+    if (PICKY_DEVELOPER)
+        add_c_compiler_flag("-Wno-error=deprecated-declarations" 
SUPPORTED_COMPILER_FLAGS)
+        add_c_compiler_flag("-Wno-error=tautological-compare" 
SUPPORTED_COMPILER_FLAGS)
+    endif()
+
+    # Unset CMAKE_REQUIRED_FLAGS
+    unset(CMAKE_REQUIRED_FLAGS)
+endif()
+
+if (MSVC)
+    add_c_compiler_flag("/D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES=1" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES_COUNT=1" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_NONSTDC_NO_WARNINGS=1" 
SUPPORTED_COMPILER_FLAGS)
+    add_c_compiler_flag("/D _CRT_SECURE_NO_WARNINGS=1" 
SUPPORTED_COMPILER_FLAGS)
+endif()
+
+set(DEFAULT_C_COMPILE_FLAGS ${SUPPORTED_COMPILER_FLAGS} CACHE INTERNAL 
"Default C Compiler Flags" FORCE)
+set(DEFAULT_LINK_FLAGS ${SUPPORTED_LINKER_FLAGS} CACHE INTERNAL "Default C 
Linker Flags" FORCE)
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index 8fdb7f4..cb5bf53 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -70,25 +70,33 @@ check_function_exists(pledge HAVE_PLEDGE)
 
 
 if (UNIX)
+    find_library(DLFCN_LIBRARY dl)
+    if (DLFCN_LIBRARY)
+        string(APPEND _REQUIRED_LIBRARIES ${DLFCN_LIBRARY})
+    else()
+        check_function_exists(dlopen HAVE_DLOPEN)
+        if (NOT HAVE_DLOPEN)
+            message(FATAL_ERROR "FATAL: No dlopen() function detected")
+        endif()
+    endif()
+
     if (NOT LINUX)
         # libsocket (Solaris)
         check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)
         if (HAVE_LIBSOCKET)
-          set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} socket)
+            string(APPEND _REQUIRED_LIBRARIES socket)
         endif (HAVE_LIBSOCKET)
 
         # libnsl/inet_pton (Solaris)
         check_library_exists(nsl inet_pton "" HAVE_LIBNSL)
         if (HAVE_LIBNSL)
-            set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} nsl)
+            string(APPEND _REQUIRED_LIBRARIES nsl)
         endif (HAVE_LIBNSL)
     endif (NOT LINUX)
 
     check_function_exists(getaddrinfo HAVE_GETADDRINFO)
 endif (UNIX)
 
-set(SWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL 
"socket_wrapper required system libraries")
-
 # STRUCTS
 check_struct_has_member("struct in_pktinfo" ipi_addr 
"sys/types.h;sys/socket.h;netinet/in.h" HAVE_STRUCT_IN_PKTINFO)
 set(CMAKE_REQUIRED_FLAGS -D_GNU_SOURCE)
@@ -250,12 +258,6 @@ int main(void) {
 unset(CMAKE_REQUIRED_FLAGS)
 ###########################################################
 
-check_library_exists(dl dlopen "" HAVE_LIBDL)
-if (HAVE_LIBDL)
-    find_library(DLFCN_LIBRARY dl)
-    set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
-endif (HAVE_LIBDL)
-
 if (OSX)
     set(HAVE_APPLE 1)
 endif (OSX)
@@ -267,4 +269,4 @@ endif (NOT WIN32)
 
 check_type_size(pid_t SIZEOF_PID_T)
 
-set(SWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "swrap 
required system libraries")
+set(SWRAP_REQUIRED_LIBRARIES ${_REQUIRED_LIBRARIES} CACHE INTERNAL 
"socket_wrapper required system libraries")
diff --git a/DefineOptions.cmake b/DefineOptions.cmake
index 54e65e1..28152e3 100644
--- a/DefineOptions.cmake
+++ b/DefineOptions.cmake
@@ -1,2 +1,3 @@
 option(UNIT_TESTING "Build with unit tests" OFF)
 option(HELGRIND_TESTING "Run threaded unit tests with helgrind" OFF)
+option(PICKY_DEVELOPER "Build with picky developer flags" OFF)
diff --git a/cmake/Modules/AddCCompilerFlag.cmake 
b/cmake/Modules/AddCCompilerFlag.cmake
new file mode 100644
index 0000000..c24c215
--- /dev/null
+++ b/cmake/Modules/AddCCompilerFlag.cmake
@@ -0,0 +1,21 @@
+#
+# add_c_compiler_flag("-Werror" SUPPORTED_CFLAGS)
+#
+# Copyright (c) 2018      Andreas Schneider <a...@cryptomilk.org>
+#
+# Redistribution and use is allowed according to the terms of the BSD license.
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
+
+include(CheckCCompilerFlag)
+
+macro(add_c_compiler_flag _COMPILER_FLAG _OUTPUT_VARIABLE)
+    string(TOUPPER ${_COMPILER_FLAG} _COMPILER_FLAG_NAME)
+    string(REGEX REPLACE "^-" "" _COMPILER_FLAG_NAME "${_COMPILER_FLAG_NAME}")
+    string(REGEX REPLACE "(-|=|\ )" "_" _COMPILER_FLAG_NAME 
"${_COMPILER_FLAG_NAME}")
+
+    check_c_compiler_flag("${_COMPILER_FLAG}" WITH_${_COMPILER_FLAG_NAME}_FLAG)
+    if (WITH_${_COMPILER_FLAG_NAME}_FLAG)
+        #string(APPEND ${_OUTPUT_VARIABLE} "${_COMPILER_FLAG} ")
+        list(APPEND ${_OUTPUT_VARIABLE} ${_COMPILER_FLAG})
+    endif()
+endmacro()
diff --git a/cmake/Modules/AddCMockaTest.cmake 
b/cmake/Modules/AddCMockaTest.cmake
index b2d1ca8..2f45e1a 100644
--- a/cmake/Modules/AddCMockaTest.cmake
+++ b/cmake/Modules/AddCMockaTest.cmake
@@ -1,23 +1,120 @@
-# - ADD_CHECK_TEST(test_name test_source linklib1 ... linklibN)
-
+#
 # Copyright (c) 2007      Daniel Gollub <dgol...@suse.de>
-# Copyright (c) 2007-2010 Andreas Schneider <a...@cynapses.org>
+# Copyright (c) 2007-2018 Andreas Schneider <a...@cryptomilk.org>


-- 
Socket Wrapper Repository

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