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Unified Diff: config/asmcfi.m4

Issue 11969036: Merge GDB 7.5.1 (Closed) Base URL: http://git.chromium.org/native_client/nacl-gdb.git@master
Patch Set: Created 7 years, 11 months ago
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Index: config/asmcfi.m4
diff --git a/config/asmcfi.m4 b/config/asmcfi.m4
new file mode 100644
index 0000000000000000000000000000000000000000..a725aa11de46010bc2f8faaae7c343946ae7c75b
--- /dev/null
+++ b/config/asmcfi.m4
@@ -0,0 +1,15 @@
+;; Cribbed from libffi
+
+AC_DEFUN([GCC_AS_CFI_PSEUDO_OP],
+[AC_CACHE_CHECK([assembler .cfi pseudo-op support],
+ gcc_cv_as_cfi_pseudo_op, [
+ gcc_cv_as_cfi_pseudo_op=unknown
+ AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],,
+ [gcc_cv_as_cfi_pseudo_op=yes],
+ [gcc_cv_as_cfi_pseudo_op=no])
+ ])
+ if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then
+ AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1,
+ [Define if your assembler supports .cfi_* directives.])
+ fi
+])
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