Re: include and library paths

[Ian T Zimmerman <itz@lbin.com>]

>>>>> "Chris" == Chris Faylor <cygwin@sourceware.cygnus.com> writes:

    Chris> On Thu, Jul 01, 1999 at 06:52:08PM +0000, Ian T Zimmerman
    Chris> wrote:
    >> Hi, do the C_INCLUDE_PATH and LIBRARY_PATH envars work as
    >> advertised (and as they work on Unix installataions of gcc &
    >> friends)?
    >> 
    >> I do this:
    >> 
    >> amazon:~$ printenv C_INCLUDE_PATH
    >> /usr/X11R6.4/LessTif/Motif2.0/include/:/usr/X11R6.4/include/
    >> amazon:~$ ls -l /usr/X11R6.4/include/X11/Intrinsic.h -r--r--r--
    >> 1 administ None 73459 Nov 3 1998
    >> /usr/X11R6.4/include/X11/Intrinsic.h amazon:~$ cat
    >> stupid_test.c #include <X11/Intrinsic.h> amazon:~$ gcc -E
    >> stupid_test.c stupid_test.c:1: X11/Intrinsic.h: No such file or
    >> directory # 1 "stupid_test.c"

    Chris> Try doing a "gcc -v -E stupid_test.c" to see what libraries
    Chris> are being searched.

amazon:~$ gcc -v -E stupid_test.c
Reading specs from d:\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\specs
gcc version egcs-2.91.57 19980901 (egcs-1.1 release)
 d:\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\cpp.exe -lang-c -v -iprefix d:\C
YGWIN~1\H-I586~1\bin\..\lib/gcc-lib/i586-cygwin32\egcs-2.91.57\ -undef -D__GNUC__=2 -D__GNUC_MINOR__
=91 -Di386 -D_WIN32 -DWINNT -D_X86_=1 -D__STDC__=1 -D__stdcall=__attribute__((__stdcall__)) -D__cdec
l=__attribute__((__cdecl__)) -D__declspec(x)=__attribute__((x)) -D__i386__ -D_WIN32 -D__WINNT__ -D_X
86_=1 -D__STDC__=1 -D__stdcall=__attribute__((__stdcall__)) -D__cdecl=__attribute__((__cdecl__)) -D_
_declspec(x)=__attribute__((x)) -D__i386 -D__WINNT -Asystem(winnt) -Acpu(i386) -Amachine(i386) -rema
p -Acpu(i386) -Amachine(i386) -Di386 -D__i386 -D__i386__ -Di586 -Dpentium -D__i586 -D__i586__ -D__pe
ntium -D__pentium__ -D__CYGWIN32__ -D__CYGWIN__ stupid_test.c
GNU CPP version egcs-2.91.57 19980901 (egcs-1.1 release) (80386, BSD syntax)
#include "..." search starts here:
#include <...> search starts here:
 d:\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\..\include
 d:\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32\includ
e
 d:\CYGWIN~1\H-I586~1\bin\..\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include
 \cygnus\cygwin-b20\H-i586-cygwin32\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\..\include
 \cygnus\cygwin-b20\H-i586-cygwin32\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\..\..\..\..\i586-cygwin32
\include
 \cygnus\cygwin-b20\H-i586-cygwin32\lib\gcc-lib\i586-cygwin32\egcs-2.91.57\include
 \usr\include
End of search list.
stupid_test.c:1: X11/Intrinsic.h: No such file or directory
# 1 "stupid_test.c"

amazon:~$

It sure looks like the environment has no effect whatsoever.

-- 
Ian Zimmerman
Lightbinders, Inc.
2325 3rd Street #324, San Francisco, California 94107


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