54 lines
1.4 KiB
Diff
54 lines
1.4 KiB
Diff
diff --git a/zconf.h.cmakein b/zconf.h.cmakein
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index a7f24cc..a1b359b 100644
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--- a/zconf.h.cmakein
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+++ b/zconf.h.cmakein
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@@ -434,11 +434,19 @@ typedef uLong FAR uLongf;
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#endif
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#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
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-# define Z_HAVE_UNISTD_H
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+# if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
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+# define Z_HAVE_UNISTD_H
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+# elif HAVE_UNISTD_H != 0
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+# define Z_HAVE_UNISTD_H
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+# endif
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#endif
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#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */
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-# define Z_HAVE_STDARG_H
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+# if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
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+# define Z_HAVE_STDARG_H
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+# elif HAVE_STDARG_H != 0
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+# define Z_HAVE_STDARG_H
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+# endif
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#endif
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#ifdef STDC
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diff --git a/zconf.h.in b/zconf.h.in
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index 5e1d68a..32f53c8 100644
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--- a/zconf.h.in
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+++ b/zconf.h.in
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@@ -432,11 +432,19 @@ typedef uLong FAR uLongf;
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#endif
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#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
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-# define Z_HAVE_UNISTD_H
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+# if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
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+# define Z_HAVE_UNISTD_H
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+# elif HAVE_UNISTD_H != 0
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+# define Z_HAVE_UNISTD_H
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+# endif
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#endif
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#ifdef HAVE_STDARG_H /* may be set to #if 1 by ./configure */
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-# define Z_HAVE_STDARG_H
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+# if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
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+# define Z_HAVE_STDARG_H
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+# elif HAVE_STDARG_H != 0
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+# define Z_HAVE_STDARG_H
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+# endif
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#endif
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#ifdef STDC
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