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detect Linux/X32 systems 

This is a frankenstein monster of AMD64 instructions/calling conventions
but with a 4GB address space. Allegedly deprecated but people still run
into it causing weird sandbox failures, e.g. bz#3085
This commit is contained in:
Damien Miller 2020-07-17 13:15:50 +10:00
parent 9c9ddc1391
commit 5b56bd0aff
1 changed files with 6 additions and 0 deletions
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6
configure.ac
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@ -522,6 +522,8 @@ SPP_MSG="no"
# the --with-solaris-privs option and --with-sandbox=solaris).
SOLARIS_PRIVS="no"
AC_CHECK_SIZEOF([size_t])
# Check for some target-specific stuff
case "$host" in
*-*-aix*)
@ -864,6 +866,10 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
case "$host" in
x86_64-*)
seccomp_audit_arch=AUDIT_ARCH_X86_64
# X32: AMD64 instructions in 32bit address space.
if test "x$ac_cv_sizeof_size_t" = "x4" ; then
seccomp_audit_arch=AUDIT_ARCH_I386
fi
;;
i*86-*)
seccomp_audit_arch=AUDIT_ARCH_I386