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authorMatthew Smith <mgsmith@netgate.com>2018-09-07 17:14:30 -0500
committerDamjan Marion <dmarion@me.com>2018-09-11 08:42:47 +0000
commit0be66e160f480dd325882409bfefdf042dfe6d1c (patch)
tree4347bd73b153a62647ca1d2470a6461c46a8196c /src/plugins/mactime
parent58f50f1bb64e962e5628e2c1867e07f238036c7b (diff)
remove libvlib from libvlibmemoryclient libs
On CentOS 7, having libvlibmemoryclient link libvlib causes a SEGV when a program or library is run which links against libvlibmemoryclient and dlopen() is called. This is because dlopen() executes any functions with __attribute((constructor)) set. The VLIB_CLI_COMMAND macro creates CLI registration functions that have this attribute set. So CLI registration functions end up being run by applications which are clients of the VPP API. This doesn't occur on ubuntu 16.04, because ld seems to omit shared libraries that were listed on the command line if they are not used to resolve any symbols. Removing the link to libvlib on vlibmemoryclient to fix this problem results in another problem. Tests of libvcl_preload fail when running 'make test'. This happens because libvcl_preload calls dlopen but does not link against libdl. When libvlibmemoryclient had libvlib linked, these errors did not occur since libvlib links libdl. Adjusted the build of libvcl_preload to explicitly link libdl. Change-Id: I271ba2f9226ce1602e1f6c1525f3b093bb0345ed Signed-off-by: Matthew Smith <mgsmith@netgate.com>
Diffstat (limited to 'src/plugins/mactime')
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