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b18 installation problems
- To: gnu-win32 at cygnus dot com
- Subject: b18 installation problems
- From: Xavier dot Fornari at sophia dot inria dot fr
- Date: Thu, 3 Jul 1997 10:28:14 +0200 (MET DST)
We installed the b18 release and found a lot of problems.
The package is installed in its default place C:\gnuwin32\b18.
The GCC_EXEC_PREFIX is correcly set, following the README.
We tried the package with the basic "Hello World" example, and had
these problems:
1) cpp not found
----------------
Found that it is in :
CYGNUS=/gnuwin32/b18/H-i386-cygwin32/lib/gcc-lib/i386-cygwin32/cygnus-2.7.2-970404
(this is shell variable we will use a lot :-(.
Thus, change PATH to:
PATH=$PATH:$CYGNUS
2) Can't find stddef.h, stdargs.h etc.....
------------------------------------------
For instance, stddef.h cannot be found while loading
stdio.h. Strangely, the full path of stdio.h in the error message is:
C:\gnuwin32\b18\H-i386-cygwin32\lib\gcc-lib\i386-cygwin32/cygnus-2.7.2-961023/../../../../i386-cygwin32/include/stdio.h
Note that cygnus-2.7.2-961023 does not exist, but
cygnus-2.7.2-970404. I guess that a/b/c/../d = a/b/d works even if c
does not exist ?!!
Found missing .h in $CYGNUS/include.
Use of C_INCLUDE_PATH, or CPLUS_INCLUDE_PATH is useless => use of -I option.
3) -lgcc not found.
-------------------
LIBRARY_PATH useless too. Must use -L option
Thus, final command is:
gcc -L$CYGNUS -I$CYGNUS/include -o foo.exe foo.c
4) use of g++ instead of gcc
----------------------------
At link time, unresolved symbol WinMain@16. After reading 4 months of
mail archive, it seems to me that this symbol is related to GUI, isn't
it? How can I simply compile a C++ program ?
All previous variables were exported.
Really need help.
Thanks.
--
Xavier Fornari
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