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raphaelsc / Am-I-affected-by-Meltdown

Meltdown Exploit / Proof-of-concept / checks whether system is affected by Variant 3: rogue data cache load (CVE-2017-5754), a.k.a MELTDOWN.
https://meltdownattack.com/
BSD 2-Clause "Simplified" License
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Debian 8.10 & 7.11 - Can't compile #10

Closed harmane closed 6 years ago

harmane commented 6 years ago

gcc ver Debian 4.7.2-5

g++ -I. --std=c++11 -O0 --no-pie -mrtm -fPIC -c -o meltdown_checker.o meltdown_checker.cc g++: error: unrecognized command line option ‘-mrtm’ make: *** [meltdown_checker.o] Error 1

raphaelsc commented 6 years ago

@harmane please try again :-)

harmane commented 6 years ago

@raphaelsc For what it's worth, still unable to make w/g++ 4.7 in Debian 7.11. build-essential had failed to upgrade on the Debian 8.10 host I had recently migrated from 7.11 hence g++ ver 4.7. With build-essential updated properly everything works.

raphaelsc commented 6 years ago

@harmane what's the output for gcc 4.7? looks like there's another issue now. -mrtm is no longer used for versions lower than 4.8

raphaelsc commented 6 years ago

@harmane did you pull latest changes? FWIW

raphaelsc commented 6 years ago

@harmane: sorry it was my fix that didn't actually fix anything, now it's fixed after 28016544a82be45b269a856c3c72648cfd528348

harmane commented 6 years ago

@raphaelsc Issue is my test host. I ended up upgrading to jessie and still am having issues though system thinks <4.8 of g++ is installed. I've tested on multiple 7.11 hosts in production that work fine after your latest commits. Thanks.