Thank you for the generous and extensive help, Peter.
I checked the files and usr/include/machine/_structs.h was corrupt. After
removing it and creating a new using the info you posted about the 2nd
usr/include/machine/_structs.h:
> 28 #if defined (__ppc__) || defined (__ppc64__)
> 29 #include "ppc/_structs.h"
> 30 #elif defined (__i386__) || defined (__x86_64__)
> 31 #include "i386/_structs.h"
> 32 #elif defined (__arm__)
> 33 #include "arm/_structs.h"
> 34 #else
> 35 #error architecture not supported
> 36 #endif
the whole installation ran perfectly :-)
Thanks again,
Addie
On Dec 30, 2014, at 12:13 PM, Peter Dyballa wrote:
>
> Am 30.12.2014 um 07:37 schrieb Adlai Burman:
>
>> /usr/include/sys/_structs.h:57:30: error: /usr/include/machine/_structs.h:
>> Input/output error
>
> This is the first error. On my Snow Leopard system I have:
>
> 56 #if defined(__need_struct_mcontext) || defined(__need_struct_mcontext64)
> 57 #include <machine/_structs.h>
> 58 #endif /* __need_struct_mcontext || __need_struct_mcontext64 */
>
>> In file included from /usr/include/sys/signal.h:154,
>> from /usr/include/sys/wait.h:116,
>> from /usr/include/stdlib.h:65,
>> from conftest.c:62:
>> /usr/include/sys/_structs.h:135: error: expected specifier-qualifier-list
>> before '_STRUCT_MCONTEXT'
>
> The second error presumingly is caused by the first one, not finding the C
> header file <machine/_structs.h>, which stands for
> /usr/include/machine/_structs.h. There I have:
>
> 120 #ifdef __need_struct_ucontext
> 121 #undef __need_struct_ucontext
> 122 #ifndef _STRUCT_UCONTEXT
> 123 #if __DARWIN_UNIX03
> 124 #define _STRUCT_UCONTEXT struct __darwin_ucontext
> 125 #else /* !__DARWIN_UNIX03 */
> 126 #define _STRUCT_UCONTEXT struct ucontext
> 127 #endif /* __DARWIN_UNIX03 */
> 128 _STRUCT_UCONTEXT
> 129 {
> 130 int uc_onstack;
> 131 __darwin_sigset_t uc_sigmask; /* signal mask used by
> this context */
> 132 _STRUCT_SIGALTSTACK uc_stack; /* stack used by this
> context */
> 133 _STRUCT_UCONTEXT *uc_link; /* pointer to resuming
> context */
> 134 __darwin_size_t uc_mcsize; /* size of the machine
> context passed in */
> 135 _STRUCT_MCONTEXT *uc_mcontext; /* pointer to machine
> specific context */
> 136 #ifdef _XOPEN_SOURCE
> 137 _STRUCT_MCONTEXT __mcontext_data;
> 138 #endif /* _XOPEN_SOURCE */
> 139 };
> 140 #endif /* _STRUCT_UCONTEXT */
> 141 #endif /* __need_struct_ucontext */
>
> In my /usr/include/machine/_structs.h I have simply
>
> 28 #if defined (__ppc__) || defined (__ppc64__)
> 29 #include "ppc/_structs.h"
> 30 #elif defined (__i386__) || defined (__x86_64__)
> 31 #include "i386/_structs.h"
> 32 #elif defined (__arm__)
> 33 #include "arm/_structs.h"
> 34 #else
> 35 #error architecture not supported
> 36 #endif
>
> So it just helps the C compiler to choose the proper C header file,
> "ppc/_structs.h" for G4 and G5 machines or "i386/_structs.h" for other Mac
> hardware ("arm/_structs.h" for Apple phones and TV sets). The C header file
> "i386/_structs.h" is /usr/include/i386/_structs.h. It has:
>
> 29 #include <sys/appleapiopts.h>
>
> 37 #if defined(__need_struct_mcontext)
> 38 #include <mach/i386/_structs.h>
> 39 #endif /* __need_struct_mcontext */
>
> /usr/include/sys/appleapiopts.h does not contain anything of matter, but
> /usr/include/i386/_structs.h has:
>
> 122 #ifdef __need_mcontext_t
> 123 #undef __need_mcontext_t
> 124 #ifndef _MCONTEXT_T
> 125 #define _MCONTEXT_T
> 126 #if defined(__LP64__)
> 127 typedef _STRUCT_MCONTEXT64 *mcontext_t;
> 128 #define _STRUCT_MCONTEXT _STRUCT_MCONTEXT64
> 129 #else
> 130 typedef _STRUCT_MCONTEXT32 *mcontext_t;
> 131 #define _STRUCT_MCONTEXT _STRUCT_MCONTEXT32
> 132 #endif
> 133 #endif /* _MCONTEXT_T */
> 134 #endif /* __need_mcontext_t */
>
> This file defines a value for the macro _STRUCT_MCONTEXT so that the
> definition of the struct _STRUCT_UCONTEXT in /usr/include/machine/_structs.h
> becomes valid. Maybe you are missing one of these files?
>
> ls -l /usr/include/sys/_structs.h /usr/include/machine/_structs.h
> /usr/include/i386/_structs.h /usr/include/sys/appleapiopts.h
> /usr/include/mach/i386/_structs.h /usr/include/mach/ppc/_structs.h
> -r--r--r-- 1 root wheel 4021 8 Jun 2011 /usr/include/i386/_structs.h
> -r--r--r-- 1 root wheel 25259 8 Jun 2011
> /usr/include/mach/i386/_structs.h
> -r--r--r-- 1 root wheel 11671 8 Jun 2011 /usr/include/mach/ppc/_structs.h
> -r--r--r-- 1 root wheel 1573 8 Jun 2011 /usr/include/machine/_structs.h
> -r--r--r-- 1 root wheel 7910 8 Jun 2011 /usr/include/sys/_structs.h
> -r--r--r-- 1 root wheel 2070 8 Jun 2011 /usr/include/sys/appleapiopts.h
>
>
> Another option would be to save the failed test programme conftest.c from the
> configure run as, for example, failed_conftest.c and compile it manually with
> some additional tests and switches. Originally configure invoked:
>
> gcc -o conftest -I/sw/bootstrap/include -I/sw/bootstrap/include
> -L/sw/bootstrap/lib conftest.c
>
> By using
>
> gcc -H -o conftest -I/sw/bootstrap/include -I/sw/bootstrap/include
> -L/sw/bootstrap/lib failed_conftest.c
>
> you'll see which C header files actually get used for compilation. Maybe you
> see reported that one is missing. Finally you can run
>
> gcc -E -dD -o failed_conftest.cpp -I/sw/bootstrap/include
> -I/sw/bootstrap/include -L/sw/bootstrap/lib failed_conftest.c
>
> to get a pre-compiled version of your C source file. In this file,
> failed_conftest.cpp, all macros are substituted by their values and you would
> see whether _STRUCT_MCONTEXT was substituted with some value and from where,
> which C header file, this value comes.
>
> In configure.log you would see something like:
>
> configure:5892: $? = 1
> configure: failed program was:
> | /* confdefs.h */
> | #define PACKAGE_NAME "gettext-tools"
> | #define PACKAGE_TARNAME "gettext-tools"
> | #define PACKAGE_VERSION "0.19.4"
> | #define PACKAGE_STRING "gettext-tools 0.19.4"
> | #define PACKAGE_BUGREPORT "bug-gnu-gett...@gnu.org"
> | #define PACKAGE_URL ""
> | #define PACKAGE "gettext-tools"
> | #define VERSION "0.19.4"
> | /* end confdefs.h. */
> | #include <ac_nonexistent.h>
>
> The C test programme source conftest.c here is "commented" by "| ". By
> copying the lines starting with "| ", pasting them into failed_conftest.c and
> removing the "| " text from the lines' beginning you'll get the C source to
> work with. If you can't perform these tests and edits, then just send the
> lines the followed the line
>
>> | /* confdefs.h. */
>
> in your posting. Hopefully the files in /sw/bootstrap/include and
> /sw/bootstrap/lib won't play a role here so that I could check whether the
> test runs for me…
>
>
> BTW, where (and how) did you fetch the archive for the files in
> /sw/bootstrap/include and /sw/bootstrap/lib?
>
>
> BTW, I have Xcode 4.2, from the Apple Developer Connection, installed… (but
> 3.2.6 as well, since it provides SDKs for Leopard and Tiger)
>
> --
> Greetings
>
> Pete
>
> "What do you think of Western Civilisation?"
> "I think it would be a good idea!"
> – Mohandas Karamchand Gandhi
>
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