2a711f4b0cPR-URL: https://github.com/nodejs/node/pull/62072 Co-authored-by: Paolo Insogna <paolo@cowtech.it> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Bryan English <bryan@bryanenglish.com>
30 lines
900 B
Text
30 lines
900 B
Text
dnl ------------------------------------------------------------------
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dnl Check whether the assembler understands .cfi_* pseudo-ops.
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dnl ------------------------------------------------------------------
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AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
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[
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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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[ AC_LANG_PUSH([C])
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AC_COMPILE_IFELSE(
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[AC_LANG_SOURCE([[
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#ifdef _MSC_VER
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Nope.
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#endif
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int foo (void)
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{
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__asm__ (".cfi_remember_state\n\t"
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".cfi_restore_state\n\t");
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return 0;
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}
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]])],
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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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AC_LANG_POP([C])
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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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