Experimental Physics and
Industrial Control System

I found a problem compiling 3.14.12.5 (with the msvs-timespec.patch) when building with the latest version of MinGW on Windows, which is gcc 5.3.0.

 

This is the error:

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g++ -c              -D_MINGW     -O3   -Wall       -m32    -D_DLL   -MMD -I. -I../O.Common -I. -I../../../src/libCom/osi/os/WIN32 -I../../../src/libCom/osi/os/posix -I../../../src/

libCom/osi/os/default -I.. -I../../../src/libCom/bucketLib -I../../../src/libCom/ring -I../../../src/libCom/calc -I../../../src/libCom/cvtFast -I../../../src/libCom/cppStd -I../../

../src/libCom/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/iocsh -I../../../src/libCom/logClient -I../../../src/libCom/macLib -I../../../src/libCom/misc -I../../../src/libC

om/osi -I../../../src/libCom/taskwd -I../../../src/libCom/timer -I../../../src/libCom/tsDefs -I../../../include/os/WIN32 -I../../../include         ../../../src/libCom/fdmgr/fdmgr.

cpp

In file included from ../../../src/libCom/osi/epicsTime.h:19:0,

                 from ../../../src/libCom/fdmgr/fdManager.h:27,

                 from ../../../src/libCom/fdmgr/fdmgr.cpp:29:

../../../src/libCom/osi/os/WIN32/osdTime.h:26:8: error: redefinition of 'struct timespec'

struct timespec {

        ^

In file included from ../../../src/libCom/osi/epicsTime.h:15:0,

                 from ../../../src/libCom/fdmgr/fdManager.h:27,

                 from ../../../src/libCom/fdmgr/fdmgr.cpp:29:

c:\mingw\include\time.h:102:8: error: previous definition of 'struct timespec'

struct timespec

        ^

../../../configure/RULES_BUILD:218: recipe for target 'fdmgr.o' failed

make[1]: *** [fdmgr.o] Error 1

make[1]: Leaving directory 'P:/epics/epics/base-3.14.12.5/src/libCom/O.win32-x86-mingw'

../../configure/RULES_ARCHS:64: recipe for target 'install.win32-x86-mingw' failed

make: *** [install.win32-x86-mingw] Error 2

****************************************************

 

I was able to fix the problem by using the version of osdTime.h from base-3.15.4.

 

Also, to build areaDetector with MinGW the following change is needed in configure/os/, adding the winmm library.

 

-CONFIG.win32-x86-mingw.win32-x86-mingw:OP_SYS_LDLIBS = -lws2_32

+CONFIG.win32-x86-mingw.win32-x86-mingw:OP_SYS_LDLIBS = -lws2_32 –lwinmm

 

Mark