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19 lines
657 B
Text
19 lines
657 B
Text
# We need to be careful to avoid having the reference to
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# program_invocation_name optimized out. We do that by
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# returning the value.
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AC_DEFUN([AC_PROGRAM_INVOCATION_NAME],
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[AC_CACHE_CHECK(
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for program_invocation_name,
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ac_cv_have_program_invocation_name,
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AC_TRY_LINK([extern char* program_invocation_name;],
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[return *program_invocation_name;],
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[ac_cv_have_program_invocation_name=yes],
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[ac_cv_have_program_invocation_name=no])
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)
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if test "$ac_cv_have_program_invocation_name" = "yes"; then
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AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME, 1,
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[define if libc has program_invocation_name])
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fi
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])
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