B20: bad support for Mingw?
Earnie Boyd
earnie_boyd@yahoo.com
Wed Nov 4 23:18:00 GMT 1998
Is it possible that the configuration process imbeds the physical
paths in the jinclude.h or jconfig.h?
I can't get this to fail after the modification to the specs file.
---Maxim Sobolev <max@vega.pfts.com> wrote:
>
> Here is output produced with -H switch, to me it seems that all
inclides are
> CYGWIN **NOT* MINGW! See my specs file also.
>
> gcc -mno-cygwin -H -O3 -I. -c jerror.c -o jerror.o
> jinclude.h
> jconfig.h
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include\stddef.h
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\stdlib.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\_ansi.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\sys/config.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include\stddef.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\sys/reent.h
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\stdio.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include\stddef.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include\stdarg.h
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\include\string.h
>
>
>
c:\cygnus\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include\stddef.h
>
> jpeglib.h
> jmorecfg.h
> jversion.h
> jerror.h
> jerror.h
> gcc -mno-cygwin -mdll -o junk.tmp -Wl,--base-file,base.tmp jcapimin.o
> jcapistd.o jctrans.o jcparam.o jdatadst.o jcinit.o jcmaster.o
jcmarker.o
> jcmainct.o jcprep
> ct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcphuff.o jcdctmgr.o
> jfdctfst.o jfdctflt.o jfdctint.o jdapimin.o jdapistd.o jdtrans.o
jdatasrc.o
> jdmaster.o jdinpu
> t.o jdmarker.o jdhuff.o jdphuff.o jdmainct.o jdcoefct.o jdpostct.o
> jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o jdsample.o
jdcolor.o
> jquant1.o jquant2
> .o jdmerge.o jcomapi.o jutils.o jerror.o jmemmgr.o jmemnobs.o
> jerror.o(.text+0x1a3b):jerror.c: undefined reference to `_impure_ptr'
> collect2: ld returned 1 exit status
> make: *** [jpeg.dll] Error 1
>
> Earnie Boyd wrote:
>
> > I didn't see anything particularly incorrect. Anybody else?
> >
> > Next add a -H to the gcc command so that you can visually see what
> > headers are being included. One of the headers being included has
the
> > _impure_ptr referenced. It is undefined because the -mno-cygwin
> > switch doesn't include the libcygwin.a library where it would be
> > defined. The headers from include and include/sys will be the ones
> > you'll need to be concerned about. The ones from include/mingw32 or
> > include/mingw32/sys will be ok. _reent is a structure that uses the
> > _impure_ptr so if you see it in the header you've also got a
problem.
> >
> > ---Maxim Sobolev <max@vega.pfts.com> wrote:
> > >
> > > I'm rebuilding jpeg.dll (on separate Mingw pakage it builds just
> > fine). Here
> > > is Makefile in attachment.
> > >
> > > Earnie Boyd wrote:
> > >
> > > > What library is it from?
> > > >
> > > > What command(s) are you or your package makefile using to
build your
> > > > executable?
> > > >
> >
> > <snip>
> >
> > ==
> > - \\||//
> > -------------o0O0--Earnie--0O0o--------------
> > -- earnie_boyd@yahoo.com --
> > -- http://www.freeyellow.com/members5/gw32 --
> > ----------------ooo0O--O0ooo-----------------
> >
> > PS: Newbie's, you should visit my page.
> > _________________________________________________________
> > DO YOU YAHOO!?
> > Get your free @yahoo.com address at http://mail.yahoo.com
> >
> *asm:
>
>
> *asm_final:
>
>
> *cpp:
> -remap %(cpp_cpu) %{posix:-D_POSIX_SOURCE}
%{!mno-cygwin:-D__CYGWIN32__ -D__CYGWIN__}
%{mno-cygwin:-iwithprefixbefore ../../../../include/mingw32
-D__MINGW32__=0.2}
>
> *cc1:
> %(cc1_spec)
>
> *cc1plus:
>
>
> *endfile:
>
>
> *link:
> %{mwindows:--subsystem windows} %{mdll:--dll -e
_DllMainCRTStartup@12}
>
> *lib:
> %{pg:-lgmon} %{!mno-cygwin:-lcygwin}
%{mno-cygwin:-lmingw32 -lmoldname -lcrtdll}
%{mwindows:-luser32 -lgdi32 -lcomdlg32} -lkernel32 -ladvapi32
-lshell32
>
> *libgcc:
> -lgcc
>
> *startfile:
> %{mdll: %{!mno-cygwin:dllcrt0%O%s}
%{mno-cygwin:dllcrt1%O%s}} %{!mdll:
%{!mno-cygwin:crt0%O%s}
%{mno-cygwin:crt1%O%s} %{pg:gcrt0%O%s}}
>
> *switches_need_spaces:
>
>
> *signed_char:
> %{funsigned-char:-D__CHAR_UNSIGNED__}
>
> *predefines:
> -Di386 -D_WIN32 -DWINNT -D_X86_=1 -D__STDC__=1
-D__stdcall=__attribute__((__stdcall__))
-D__cdecl=__attribute__((__cdecl__))
-D__declspec(x)=__attribute__((x)) -Asystem(winnt) -Acpu(i386)
-Amachine(i386)
>
> *cross_compile:
> 1
>
> *version:
> egcs-2.91.57
>
> *multilib:
> . ;
>
> *multilib_defaults:
>
>
> *multilib_extra:
>
>
> *multilib_matches:
>
>
> *linker:
> collect2
>
> *cpp_486:
> %{!ansi:-Di486} -D__i486 -D__i486__
>
> *cpp_586:
> %{!ansi:-Di586 -Dpentium} -D__i586 -D__i586__ -D__pentium
-D__pentium__
>
> *cpp_686:
> %{!ansi:-Di686 -Dpentiumpro} -D__i686 -D__i686__ -D__pentiumpro
-D__pentiumpro__
>
> *cpp_cpu_default:
> %(cpp_586)
>
> *cpp_cpu:
> -Acpu(i386) -Amachine(i386) %{!ansi:-Di386} -D__i386 -D__i386__
%{mcpu=i486:%(cpp_486)} %{m486:%(cpp_486)} %{mpentium:%(cpp_586)}
%{mcpu=pentium:%(cpp_586)} %{mpentiumpro:%(cpp_686)}
%{mcpu=pentiumpro:%(cpp_686)}
%{!mcpu*:%{!m486:%{!mpentium*:%(cpp_cpu_default)}}}
>
> *cc1_cpu:
> %{!mcpu*: %{m386:-mcpu=i386 -march=i386} %{mno-486:-mcpu=i386
-march=i386} %{m486:-mcpu=i486 -march=i486} %{mno-386:-mcpu=i486
-march=i486} %{mno-pentium:-mcpu=i486 -march=i486}
%{mpentium:-mcpu=pentium} %{mno-pentiumpro:-mcpu=pentium}
%{mpentiumpro:-mcpu=pentiumpro}}
>
>
==
- \\||//
-------------o0O0--Earnie--0O0o--------------
-- earnie_boyd@yahoo.com --
-- http://www.freeyellow.com/members5/gw32 --
----------------ooo0O--O0ooo-----------------
PS: Newbie's, you should visit my page.
_________________________________________________________
DO YOU YAHOO!?
Get your free @yahoo.com address at http://mail.yahoo.com
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