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171 lines
7.4 KiB
Plaintext
171 lines
7.4 KiB
Plaintext
@@@@@@@@@@@@@b ;mm /##Gilles###\
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j@@@#Robin", Brad /@@@Thomas@@@@Q
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@@@# \ ## @@@b |@@@b
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@@@# .;;;;, ,;;;, ,;;;; ,;;;p .;;; 7@@ ]Alan
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@@@# j@@@@, ]@@#/ '@@@# j@@@# ]@@^ ;@@@"
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@@@Andreas@C "@@@p @@@" @@@b j@@@p @@b @@@#/
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@@@#^7"7%#\ ^@@@@@#~ Benb 1@@@ {@# s@@@#
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@@@# Niels @@@b @@@Q ]@# ;@@@#/
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@@@# ,@@##@@m @@@b @@@p @@C #@@#C
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@@@# ,/ s@@# @@@@ @@@b Volker @Tuan@
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]@@@Abhinav@@\ /@@@\ \@@@Q @@@Q %@@@# /@@@@Mahesh@@#
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/@@@@@@@@@@@@@@\ /@@@@@\ C++ Metadata Library /@Sridhar@@@v0.26\
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Current Status
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ToDo: * CMake/MinGW builds executables that do not work properly for v0.26
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Known issues:
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sample apps crash in XML_ParserCreate()
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in c:\MinGW\msys\1.0\bin\msys-expat-1.dll
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This is because MinGW links the wrong DLLs.
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Team Exiv2 will not provide support for CMake/MinGW
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The known issues with CMake/MinGW will be reported to Kitware.
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We hope CMake/MinGW will be in a working state for Exiv2 v0.27
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Here are notes concerning CMake/MinGW
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1 Running a MinGW bash shell
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I installed MinGW using the installer on the web site.
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I installed two copies c:\MinGW and c:\MinGW64
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- both copies run a 32 bit bash shell
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I installed the TDM-GCC-64 compiler for use from MinGW64
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I installed the Qt 5.6.0 Environement for use from MinGW
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I start mingw from DOS with this batch-file (mingw32.bat)
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@echo off
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rem ------------------
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: mingw32.bat
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: invoke MinGW bash
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:
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setlocal
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set "PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig"
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set "INCLUDE_PATH=/usr/local/inc"
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set "LIBRARY_PATH=/usr/local/lib"
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set "BINARY_PATH=/usr/local/bin"
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set "PATH=c:\Qt\Qt5.6.0\5.6\mingw49_32\bin;c:\Qt\Qt5.6.0\Tools\mingw492_32\bin;\usr\local\bin;\usr\bin:c:\MinGW\bin:c:\cygwin64\bin;c:\Users\rmills\com;."
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set "PS1=\! -32- ${PWD}> "
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c:\MinGW\msys\1.0\bin\bash.exe %*%
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: That's all Folks
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rem ------------------
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In ~/.bashrc
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502 -32- /home/rmills> cat .bashrc
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#!/bin/bash
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export "PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:/usr/lib/pkgconfig"
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export "INCLUDE_PATH=/usr/local/inc"
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export "LIBRARY_PATH=/usr/local/lib"
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export "BINARY_PATH=/usr/local/bin"
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PATH=/c/Qt/Qt5.6.0/5.6/mingw49_32/bin:/c/Qt/Qt5.6.0/Tools/mingw492_32/bin:/usr/local/bin:/usr/bin:/bin:/c/cygwin64/bin:/c/Users/rmills/com:.
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PS1='\! -32- ${PWD}> '
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# echo hello world from .bashrc
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alias dir='ls -alt'
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alias del='rm -rf'
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alias finder='find . -depth -iname'
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alias path='(IFS=:;for i in $PATH; do echo $i; done)'
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##
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# finder helpers
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export L="-exec ls -dalt {} ;"
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export X="-exec rm -rf {} ;"
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export C="-exec ce {} ;"
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export I="-exec lipo -info {} ;"
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export O="-exec otool -L {} ;"
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export Z="-exec open {} ;"
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export P="-exec p4 edit {} ;"
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export R="-exec p4 revert {} ;"
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export G="-exec grep"
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export __=";"
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export ___="{} ;"
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# That's all Folks!
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##
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503 -32- /home/rmills>
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MinGW64 has very similar code. Putting the TDM compiler on the path is the major difference.
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The file ~/.bashrc for MinGW64 is in c:\MinGW64\msys\1.0\home\<username>\.bashrc
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2 Building and installing CMake
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$ ./bookstrap --prefix=/usr/local
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$ make
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$ make install
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Gotchas:
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1) Do not use a Windows binary install version of CMake
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This generates commands which assume you are in the DOS shell.
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Build and Use CMake in a "Unix" Way from a MinGW/bash shell.
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2) Even although gcc is on the path, we must tell cmake not to use /c/MinGW/bin/gcc)
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3) It's using the wrong headers. Needs /c/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include
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cmake -G "Unix Makefiles" -DCMAKE_INSTALL_PREFIX=$dist -DEXIV2_ENABLE_NLS=OFF \
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-DCMAKE_C_COMPILER=$(which gcc) -DCMAKE_CXX_COMPILER=$(which g++) \
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"-DCMAKE_CXX_FLAGS=-I/c/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include"
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..
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4) even so, it errors instantly on:
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In file included from c:/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include/stddef.h:7:0,
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from c:/Qt/Qt5.6.0/Tools/mingw492_32/lib/gcc/i686-w64-mingw32/4.9.2/include/stddef.h:1,
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from C:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/xmpsdk/include/XMP_Const.h:14,
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from C:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/xmpsdk/src/XMPCore_Impl.hpp:13,
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from C:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/xmpsdk/src/ExpatAdapter.cpp:10:
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c:/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include/crtdefs.h:26:9: error: 'size_t' does not name a type
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typedef size_t rsize_t;
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5) Building cmake itself required setting CC CXX CXXFLAGS and LDFLAGS
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AND editing a system file in Qt with an erroneous #pragma error NTDDI_VERSION and _WIN32_WINNT
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In file included from c:/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include/windows.h:10:0,
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from c:/Users/rmills/gnu/cmake/cmake-3.6.2/Utilities/cmlibarchive/libarchive/archive_windows.h:74,
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from c:/Users/rmills/gnu/cmake/cmake-3.6.2/Utilities/cmlibarchive/libarchive/archive_platform.h:60,
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from c:/Users/rmills/gnu/cmake/cmake-3.6.2/Utilities/cmlibarchive/libarchive/xxhash.c:35:
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c:/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include/sdkddkver.h:186:2: error: #error NTDDI_VERSION and _WIN32_WINNT mismatch!
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My work-around was to comment off the #error statement!
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3 Building Exiv2 with CMake
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$ cd ~/gnu/exiv2/trunk
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$ rm -rf build ; mkdir build ; cd build
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$ cmake .. -G "Unix Makefiles" -DCMAKE_C_COMPILER=$(which gcc) -DCMAKE_CXX_COMPILER=$(which g++) -DEXIV2_ENABLE_NLS=OFF
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.... cmake will rattle and roll ....
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CMake generates the wrong include response files.
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I put the correct include code in contrib/cmake/mingw/includes.rsp
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Propagate the correct includes to the generated files.
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$ find . -name "includes_*.rsp" -exec cp ../contrib/cmake/mingw/includes.rsp {} \;
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$ make
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On my system, these the include response file have the code:
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/src
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/include
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/include/exiv2
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/build
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/xmpsdk/include
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-IC:/MinGW/msys/1.0/home/rmills/gnu/exiv2/trunk/xmpsdk/src
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-IC:/Qt/Qt5.6.0/Tools/mingw492_32/i686-w64-mingw32/include
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-IC:/Qt/Qt5.6.0/Tools/mingw492_32/lib/gcc/i686-w64-mingw32/4.9.2/include
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-IC:/MinGW/msys/1.0/local/include
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Gotcha
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------
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Even have done all of this, some of the sample applications are not correctly linked.
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Samples affected are path-test, geotag, metacopy, exiv2json (possibly others).
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The exiv2dll (libexiv2-14.dll) is linked to /bin/msys-expat.dll
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and foo.exe is linked to /usr/local/bin/libexpat-1.dll
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I have been able to get this fixed. I'll deal with it in v0.27.
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two copies of the expat dlls. /usr/local/bin/libexpat-1.dll and /bin/msys-expat.dll
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Robin Mills
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robin@clanmills.com
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2016-10-03
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