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assorted build issues
From: Denis Ovsienko via tcpdump-workers <tcpdump-workers () lists tcpdump org>
Date: Sun, 15 Aug 2021 17:00:49 +0100
--- Begin Message --- From: Denis Ovsienko <denis () ovsienko info>
Date: Sun, 15 Aug 2021 17:00:49 +0100
Hello list. I hope this finds you well. To follow up on the earlier point about the build problem space mapping, below are a few issues that don't fail building and testing, but might mean potential problems: * Builds that use Autoconf 2.71 generate quite a number of Autoconf warnings: configure.ac:27: warning: The macro `AC_PROG_CC_C99' is obsolete. configure.ac:27: You should run autoupdate. ./lib/autoconf/c.m4:1659: AC_PROG_CC_C99 is expanded from... configure.ac:27: the top level configure.ac:31: warning: The macro `AC_TRY_COMPILE' is obsolete. configure.ac:31: You should run autoupdate. (and so on) * Builds that use CMake generate varying amounts of CMake warnings depending on which CMake version it is. The most common one is this: CMake Deprecation Warning at CMakeLists.txt:19 (cmake_minimum_required): Compatibility with CMake < 2.8.12 will be removed from a future version of CMake. Update the VERSION argument <min> value or use a ...<max> suffix to tell CMake that the project does not need compatibility with older versions. * libpcap Autoconf builds do not use correct compiler flags for XL C (CMake is fine) on Linux: /opt/ibm/xlC/16.1.1/bin/.orig/xlc: warning: 1501-269 fpic is not supported on this Operating System platform. Option fpic will be ignored. /opt/ibm/xlC/16.1.1/bin/.orig/xlc: warning: 1501-269 fpic is not supported on this Operating System platform. Option fpic will be ignored. (and so on) -- Denis Ovsienko
--- End Message ---
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- assorted build issues Denis Ovsienko via tcpdump-workers (Aug 15)