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19 lines
657 B
19 lines
657 B
# 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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