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Add Spectre v2 mitigations for GCC (#54)
author Loganaden Velvindron <logan@hackers.mu>
date Fri, 16 Feb 2018 19:35:32 +0400
parents 9b87cbe931e3
children 5916af64acd4 93a3726a36d6
comparison
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1504:bd0bc6b5a87c 1505:55120acb9994
108 ) 108 )
109 ] 109 ]
110 ) 110 )
111 # FORTIFY_SOURCE 111 # FORTIFY_SOURCE
112 DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2]) 112 DB_TRYADDCFLAGS([-D_FORTIFY_SOURCE=2])
113
114 # Spectre v2 mitigations
115 DB_TRYADDCFLAGS([-mfunction-return=thunk])
116 DB_TRYADDCFLAGS([-mindirect-branch=thunk])
117
113 fi 118 fi
114 119
115 # large file support is useful for scp 120 # large file support is useful for scp
116 AC_SYS_LARGEFILE 121 AC_SYS_LARGEFILE
117 122