3rdparty/ext_zlib/0001-Prevent-invalid-inclusions-when-HAVE_-is-set-to-0.patch

0001 diff --git a/zconf.h.cmakein b/zconf.h.cmakein
0002 index a7f24cc..a1b359b 100644
0003 --- a/zconf.h.cmakein
0004 +++ b/zconf.h.cmakein
0005 @@ -434,11 +434,19 @@ typedef uLong FAR uLongf;
0006  #endif
0007
0008  #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
0009 -#  define Z_HAVE_UNISTD_H
0010 +#  if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
0011 +#    define Z_HAVE_UNISTD_H
0012 +#  elif HAVE_UNISTD_H != 0
0013 +#    define Z_HAVE_UNISTD_H
0014 +#  endif
0015  #endif
0016
0017  #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
0018 -#  define Z_HAVE_STDARG_H
0019 +#  if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
0020 +#    define Z_HAVE_STDARG_H
0021 +#  elif HAVE_STDARG_H != 0
0022 +#    define Z_HAVE_STDARG_H
0023 +#  endif
0024  #endif
0025
0026  #ifdef STDC
0027 diff --git a/zconf.h.in b/zconf.h.in
0028 index 5e1d68a..32f53c8 100644
0029 --- a/zconf.h.in
0030 +++ b/zconf.h.in
0031 @@ -432,11 +432,19 @@ typedef uLong FAR uLongf;
0032  #endif
0033
0034  #ifdef HAVE_UNISTD_H    /* may be set to #if 1 by ./configure */
0035 -#  define Z_HAVE_UNISTD_H
0036 +#  if ~(~HAVE_UNISTD_H + 0) == 0 && ~(~HAVE_UNISTD_H + 1) == 1
0037 +#    define Z_HAVE_UNISTD_H
0038 +#  elif HAVE_UNISTD_H != 0
0039 +#    define Z_HAVE_UNISTD_H
0040 +#  endif
0041  #endif
0042
0043  #ifdef HAVE_STDARG_H    /* may be set to #if 1 by ./configure */
0044 -#  define Z_HAVE_STDARG_H
0045 +#  if ~(~HAVE_STDARG_H + 0) == 0 && ~(~HAVE_STDARG_H + 1) == 1
0046 +#    define Z_HAVE_STDARG_H
0047 +#  elif HAVE_STDARG_H != 0
0048 +#    define Z_HAVE_STDARG_H
0049 +#  endif
0050  #endif
0051
0052  #ifdef STDC