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Subject: RE: Build problem
From: Mark Rivers <rivers@cars.uchicago.edu>
To: Ralph Lange <ralph.lange@gmx.de>, EPICS Core Talk <core-talk@aps.anl.gov>
Date: Sun, 4 Jun 2017 20:48:14 +0000
Indeed moving the tests for WITH_GRAPHICSMAGICK=YES and GRAPHICSMAGICK_EXTERNAL=NO out of the GraphicsMagick/Makefile and into each of the 12 source directory Makefiles fixed the problem.

Not as nice as being able to have it all in one place, but it works now.

Mark

________________________________
From: core-talk-bounces@aps.anl.gov [core-talk-bounces@aps.anl.gov] on behalf of Mark Rivers [rivers@cars.uchicago.edu]
Sent: Sunday, June 04, 2017 2:56 PM
To: Ralph Lange; EPICS Core Talk
Subject: RE: Build problem

OK, I understand the problem.

When areaDetector/configure/CONFIG_SITE is read from a RULES_DIRS directory EPICS_HOST_ARCH is defined but OS_CLASS and T_A are not.  That is why definitions in CONFIG_SITE.local and CONFIG_SITE.local.$(EPICS_HOST_ARCH) were being used, but not those in CONFIG_SITE.local.$(OS_CLASS) or CONFIG_SITE.local.$(EPICS_HOST_ARCH).$(T_A).

The solution is to move the logic out of the GraphicsMagick top-level directory and into the src directories, which I will do.

Thanks,
Mark


From: Mark Rivers
Sent: Sunday, June 04, 2017 2:06 PM
To: Ralph Lange; EPICS Core Talk
Subject: RE: Build problem

Yes, I did check spelling.

I think I may have found the problem.  GraphicsMagick is different from the other supportApp directories because it has a top-level directory with uses RULES_DIRS and then the actual src directories under that which use RULES.

It looks like directories with RULES_DIRS are not reading the CONFIG_SITE.* files at that level, but rather only once they have descended into the src directories. I can see that by putting warnings messages in the CONFIG_SITE.* files.  I should be able to make it work by moving the logic into each src directory Makefile.

Mark

________________________________
From: core-talk-bounces@aps.anl.gov<mailto:core-talk-bounces@aps.anl.gov> [core-talk-bounces@aps.anl.gov] on behalf of Ralph Lange [ralph.lange@gmx.de]
Sent: Sunday, June 04, 2017 1:58 PM
To: EPICS Core Talk
Subject: Re: Build problem
Weird. Did you quadruple-check the spelling of things?

~Ralph


On Sun, Jun 4, 2017 at 8:25 PM, Mark Rivers <rivers@cars.uchicago.edu<mailto:rivers@cars.uchicago.edu>> wrote:
I just found that I am having another problem which I am quite sure is related.

I want to build GraphicsMagick on all architectures except vxWorks.  I thus have this line in my CONFIG_SITE.local.$(EPICS_HOST_ARCH).$(T_A) i.e. CONFIG_SITE.local.linux-x86.vxWorks-ppc32 file:

WITH_GRAPHICSMAGICK = NO

This should prevent GraphicsMagick from being built on vxWorks.  However, as with GRAPHICSMAGICK_EXTERNAL it seems to be ignored.

However if I add this line to that file

WITH_TIFF = NO

this works correctly, it prevents building ADSupport/supportApp/tiffSrc on vxWorks.  So again the problem seems somehow specific to GraphicsMagick.

Thanks,
Mark


From: Mark Rivers
Sent: Sunday, June 04, 2017 12:57 PM
To: anj@aps.anl.gov<mailto:anj@aps.anl.gov>; EPICS Core Talk
Subject: Build problem

I'm having a problem building GraphicsMagick in areaDetector/ADSupport and I'm stumped.

Here's the problem.

The top-level areaDetector/configure/CONFIG_SITE includes these lines:
#######################
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.local
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.local.$(OS_CLASS)
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.local.$(EPICS_HOST_ARCH)
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.local.$(EPICS_HOST_ARCH).$(T_A)
#######################

So it reads 4 CONFIG_SITE.local.* files if they exist.

ADSupport/configure/CONFIG_SITE includes these lines:
#######################
# Get settings from AREA_DETECTOR, so we only have to configure once for all detectors if we want to
-include $(AREA_DETECTOR)/configure/CONFIG_SITE
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH)
-include $(AREA_DETECTOR)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH).Common
ifdef T_A
  -include $(AREA_DETECTOR)/configure/CONFIG_SITE.Common.$(T_A)
  -include $(AREA_DETECTOR)/configure/CONFIG_SITE.$(EPICS_HOST_ARCH).$(T_A)
endif
#######################

So it reads a number of files from$(AREA_DETECTOR)/configure if they exist.  The only one that actually exists is CONFIG_SITE, whose contents I have shown above.

CONFIG_SITE.local includes these lines:
#######################
...
# GraphicsMagick is required for NDFileMagick and the URL driver.
WITH_GRAPHICSMAGICK     = YES
GRAPHICSMAGICK_EXTERNAL = YES
# GraphicsMagick defines many global symbols, and one of these (SetImage) conflicts with a symbol
# in the Andor vendor library.  GraphickMagick provides a solution by allowing all external library
# symbols to be prefixed with "Gm".  Enable using this by default.  However, if a system library
# is used it may not be built with this option so this line should be commented out.
GRAPHICSMAGICK_PREFIX_SYMBOLS = YES
#GRAPHICSMAGICK_INCLUDE =
#GRAPHICSMAGICK_LIB     =
...
# TIFF is required for the NDFileTIFF plugin.
WITH_TIFF     = YES
TIFF_EXTERNAL = YES
#TIFF_INCLUDE =
#TIFF_LIB     =

# XML2 is required for ADCore so there is no WITH_XML2.
XML2_EXTERNAL = YES
#XML2_INCLUDE =
#XML2_LIB     =
#######################

Among other things it defines WITH_GRAPHICSMAGICK=YES, GRAPHICSMAGICK_EXTERNAL=YES, WITH_TIFF=YES, TIFF_EXTERNAL=YES, XML2_EXTERNAL=YES.

My CONFIG_SITE.local.Linux includes these lines:
#######################
GRAPHICSMAGICK_EXTERNAL = NO
TIFF_EXTERNAL = NO
XML2_EXTERNAL = NO
#######################

So it overrides the CONFIG_SITE.local to set xxx_EXTERNAL for each of these libraries to NO rather than YES.

The Makefiles in ADSupport look at the xxx_EXTERNAL flag to decide whether or not to actually build that library.  If it is not NO then it does not build the library.

CONFIG_SITE.local.WIN32 does the same thing for Windows, and again it defines all of the xxx_EXTERNAL flags to NO.

This whole mechanism is generally working fine.  If, for example I comment out the TIFF_EXTERNAL=NO or XML2_EXTERNAL=NO lines in CONFIG_SITE.local.Linux then ADSupport will not build those libraries when I run make in those directories.

The exception to the correct operation is GRAPHICSMAGICK_EXTERNAL=NO.  This flag is correctly obeyed if it set in CONFIG_SITE.local or CONFIG_SITE.local.$(EPICS_HOST_ARCH),  e.g. CONFIG_SITE.local.linux-x86_64.  However, when this flag is set in CONFIG_SITE.local.Linux then it is being ignored.  I am completely baffled by this, since it seems to be equivalent to each of the other flags like XML2_EXTERNAL=NO which are being picked up correctly from CONFIG_SITE.local.Linux.

I have the same problem on Windows.  XM2_EXTERNAL=NO is picked up correctly from CONFIG_SITE.local.WIN32, but GRAPHICSMAGICK_EXTERNAL=NO seems to be ignored in this file.  But it is working correctly if it is defined in CONFIG_SITE.local or CONFIG_SITE.local.$(EPICS_HOST_ARCH), e.g. CONFIG_SITE.local.windows-x64-static.

This is the ADSupport/supportApp/GraphicsMagick/Makefile

#######################
TOP = ../..
include $(TOP)/configure/CONFIG

#---------------------------------------
#  ADD MACRO DEFINITIONS AFTER THIS LINE
#=======================================

ifeq ($(WITH_GRAPHICSMAGICK),YES)
  ifeq ($(GRAPHICSMAGICK_EXTERNAL),NO)

    DIRS += filters
    filters_DEPEND_DIRS += magick ttf
    DIRS += wmf
    DIRS += webp
    DIRS += png
    png_DEPEND_DIRS += bzlib
    DIRS += jp2
    DIRS += jbig
    DIRS += coders
    coders_DEPEND_DIRS += bzlib jbig jp2 magick png ttf webp wmf
    DIRS += lcms
    DIRS += bzlib
    DIRS += ttf
    DIRS += magick
    magick_DEPEND_DIRS += bzlib lcms ttf
    DIRS += Magick++
    Magick++_DEPEND_DIRS += magick coders

  endif # ($(GRAPHICSMAGICK_EXTERNAL),NO)
endif # ($(WITH_GRAPHICSMAGICK),YES)

include $(TOP)/configure/RULES_DIRS

#----------------------------------------
#  ADD RULES AFTER THIS LINE
#######################


It looks just like the tiffSrc/Makefile


#######################
TOP=../..
include $(TOP)/configure/CONFIG
#----------------------------------------
#  ADD MACRO DEFINITIONS AFTER THIS LINE
#=============================

ifeq ($(WITH_TIFF),YES)
  ifeq ($(TIFF_EXTERNAL),NO)

    INC += tiff.h
    INC += tiffio.h
    INC += tiffvers.h
    INC += tiffconf.h
...
    tiff_SRCS += tif_write.c
    tiff_SRCS += tif_zip.c
    tiff_SRCS_Linux += tif_unix.c
    tiff_SRCS_WIN32 += tif_win32.c
    tiff_SRCS_vxWorks += tif_vxWorks.c

  endif # ($(TIFF_EXTERNAL),NO)
endif # ($(WITH_TIFF),YES)


include $(TOP)/configure/RULES
#----------------------------------------
#  ADD RULES AFTER THIS LINE
#######################

But tiffSrc is behaving like it should and GraphicsMagick is not.

All of the areaDetector/configure/CONFIG* files I am using are identical to the configure/EXAMPLE_CONFIG* on the master branch on Github except for CONFIG_SITE.local.Linux where I have uncommented all of the xxx_EXTERNAL=NO lines.  ADSupport is identical to the master branch on Github.

I have search the entire areaDetector tree (actually the entire synApps tree as well) to see if GRAPHICSMAGICK_EXTERNAL might be defined somewhere else, but it is not.

Any ideas on how to track down this problem would be most appreciated!

Thanks,
Mark





References:
Build problem Mark Rivers
RE: Build problem Mark Rivers
Re: Build problem Ralph Lange
RE: Build problem Mark Rivers
RE: Build problem Mark Rivers

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