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| author | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-19 23:05:11 +0000 |
|---|---|---|
| committer | k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-11-19 23:05:11 +0000 |
| commit | 00fac76efac8b30e32cd8c7fa8ef060bb083f651 (patch) | |
| tree | fc428e097e1660ebc80c3980a4750a82820a8442 /configure.ac | |
| parent | 27322735afae833bcecd54fbb551ad4132e96235 (diff) | |
| download | ruby-00fac76efac8b30e32cd8c7fa8ef060bb083f651.tar.gz | |
configure.ac: avoid crashing MJIT with -fcf-protection
by avoiding using __builtin_longjmp, like r64983.
[Bug #15307]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65815 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 2c9b5de6fc..a0882a0c0f 100644 --- a/configure.ac +++ b/configure.ac @@ -1001,6 +1001,12 @@ main() AS_CASE(["$target_cpu"], [powerpc64*], [ ac_cv_func___builtin_setjmp=no ]) + # With gcc-8's -fcf-protection, MJIT's __builtin_longjmp fails. + # TODO: Check if CFLAGS actually includes -fcf-protection instead of using RUBY_TRY_CFLAGS + RUBY_TRY_CFLAGS(-fcf-protection, [cf_protection=yes], [cf_protection=no]) + AS_IF([test "$cf_protection" = yes], [ + ac_cv_func___builtin_setjmp=no + ]) ], [ LIBS="-lm $LIBS"]) : ${ORIG_LIBS=$LIBS} |