4bdd090f8e
* asmcfi.m4: New file. * configure.ac (GCC_AS_CFI_PSEUDO_OP): Test it. * configure, aclocal.m4, config.h.in: Rebuild. * config/generic/asmcfi.h: New file. * config/x86/sjlj.S: Use it. From-SVN: r181224
16 lines
474 B
Plaintext
16 lines
474 B
Plaintext
;; Cribbed from libffi
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AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
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[AC_CACHE_CHECK([assembler .cfi pseudo-op support],
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gcc_cv_as_cfi_pseudo_op, [
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gcc_cv_as_cfi_pseudo_op=unknown
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AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
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[gcc_cv_as_cfi_pseudo_op=yes],
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[gcc_cv_as_cfi_pseudo_op=no])
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])
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if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
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AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
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[Define if your assembler supports .cfi_* directives.])
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fi
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])
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