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<== Date ==> <== Thread ==>

Subject: Re: Errors building EPICS with MinGW
From: Andrew Johnson <[email protected]>
To: [email protected]
Cc: Morgan Bradford <[email protected]>
Date: Thu, 7 Jul 2011 14:49:23 -0500
Hi Morgan,

On 2011-07-07 Morgan Bradford wrote:
> I am trying to install EPICS Base on a Windows 7 computer, but keep getting
>  the following error. I've tried two different builds, 3.14.9 and
>  3.14.12.1, and have the same problem with both. Any ideas?

> g++ -c              -pedantic  -O3  -Wall          -D__cplusplus  -I. -I..
>  -I../ ../../src/libCom/bucketLib -I../../../src/libCom/ring
>  -I../../../src/libCom/calc -I../../../src/libCom/cvtFast
>  -I../../../src/libCom/cppStd -I../../../src/libCo m/cxxTemplates
>  -I../../../src/libCom/dbmf -I../../../src/libCom/ellLib -I../../.
>  ./src/libCom/env -I../../../src/libCom/error -I../../../src/libCom/fdmgr
>  -I../.. /../src/libCom/freeList -I../../../src/libCom/gpHash
>  -I../../../src/libCom/logCl ient -I../../../src/libCom/macLib
>  -I../../../src/libCom/misc -I../../../src/libC om/osi
>  -I../../../src/libCom/taskwd -I../../../src/libCom/timer -I../../../src/l
>  ibCom/tsDefs -I../../../include/os/WIN32 -I../../../include        
>  ../../../src /libCom/bucketLib/bucketLib.c
> ../../../src/libCom/bucketLib/bucketLib.c: In function 'ITEM**
>  bucketStringCompa re(ITEM**, const void*)':
> ../../../src/libCom/bucketLib/bucketLib.c:216:21: error: invalid conversion
>  from 'const void*' to 'const char*'
> ../../../src/libCom/bucketLib/bucketLib.c: In function 'BUCKETID
>  bucketUnsignedH ash(BUCKET*, const void*)':
> ../../../src/libCom/bucketLib/bucketLib.c:238:25: error: invalid conversion
>  from 'const void*' to 'const unsigned int*'
> ../../../src/libCom/bucketLib/bucketLib.c: In function 'BUCKETID
>  bucketStringHas h(BUCKET*, const void*)':
> ../../../src/libCom/bucketLib/bucketLib.c:288:21: error: invalid conversion
>  from 'const void*' to 'const char*'

Your build is compiling a C file using the C++ compiler, which is probably 
what's causing the failure.  Please try applying the patch below (for 
3.14.12.1, but you should be able to match it on 3.14.9) which deletes an old 
build rule. If this fixes it I'll add it to the Known Problems page.

=== modified file 'configure/RULES_BUILD'
--- configure/RULES_BUILD       2010-10-05 19:27:37 +0000
+++ configure/RULES_BUILD       2011-06-07 14:52:54 +0000
@@ -205,11 +205,6 @@
        @$(RM) $@
        $(COMPILE.cpp) $(call PATH_FILTER,$<) $(COMPILE_FILTER.cpp)
 
-%$(OBJ): %.C
-       @$(HDEPENDS_CMD)
-       @$(RM) $@
-       $(COMPILE.cpp) $(call PATH_FILTER,$<) $(COMPILE_FILTER.cpp)
-
 # WIN95/NT resource compiler
 %$(RES): %.rc
        @$(RM) $@


- Andrew
-- 
Optimization is the process of taking something that works and
replacing it with something that almost works, but costs less.
-- Roger Needham

References:
Errors building EPICS with MinGW Morgan Bradford

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