40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/* Test "ignore redundant include" facility.
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We must test with C and C++ comments, and null directives, outside
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the guard conditional; also, we test guarding with #ifndef and #if
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!defined. -H is used because cpp might confuse the issue by
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optimizing out #line markers. This test only passes if each of the
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headers is read exactly once.
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The disgusting regexp in the dg-error line, when stuck into
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dg.exp's compiler-output regexp, matches the correct -H output and
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only the correct -H output. It has to be all on one line because
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otherwise it will not be interpreted all in one unit. */
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/* { dg-do compile }
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{ dg-options "-H" }
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{ dg-error "mi1c\.h\n\[^\n\]*mi1cc\.h\n\[^\n\]*mi1nd\.h\n\[^\n\]*mi1ndp\.h\n\[^\n\]*mi1x\.h" "redundant include check" { target *-*-* } 0 } */
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#include "mi1c.h"
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#include "mi1c.h"
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#include "mi1c.h"
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#include "mi1cc.h"
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#include "mi1cc.h"
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#include "mi1nd.h"
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#include "mi1nd.h"
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#include "mi1ndp.h"
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#include "mi1ndp.h"
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#define MIX_H
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#include "mi1x.h"
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#include "mi1x.h"
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int
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main (void)
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{
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return a + b + c + d;
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}
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