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Poco package only uses "Basic Edition" #2552

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Krzmbrzl opened this issue Aug 18, 2020 · 4 comments · May be fixed by #2553
Open

Poco package only uses "Basic Edition" #2552

Krzmbrzl opened this issue Aug 18, 2020 · 4 comments · May be fixed by #2553

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@Krzmbrzl
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From their website:

The Basic Edition only contains the Foundation, JSON, XML, Util and Net libraries, but does not require any external dependencies.

Thus all other components are not built (for my case in particular Zip is the essential missing one).

This happens because the version is set to

mxe/src/poco.mk

Line 7 in 228cf95

$(PKG)_VERSION := 1.9.4

Thus the script will try to download poco-1.9.4.tar.gz which sadly is the Basic Edition of Poco. The complete Poco package is named poco-1.9.4-all.tar.gz (Note the -all postfix)

I am currently testing whether simply adding -all to the version is enough to build all of Poco. If so, I'll submit a PR to fix this.
@Krzmbrzl
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Krzmbrzl commented Aug 18, 2020 •
edited

Okay it seems as if it isn't quite that easy:

Failed to build package poco for target i686-w64-mingw32.static!
------------------------------------------------------------
Makefile:301: recipe for target 'PageCompiler-libexec' failed
make[2]: *** [PageCompiler-libexec] Error 2
make[2]: Leaving directory '/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all'
Makefile:827: recipe for target 'build-only-poco_i686-w64-mingw32.static' failed
make[1]: *** [build-only-poco_i686-w64-mingw32.static] Error 2
make[1]: Leaving directory '/home/krzmbrzl/Documents/Git/mxe'
real	6m50,870s
user	10m59,838s
sys	2m26,648s

I'll have to look into this some more.

Can someone tell me how I can see the actual error message that caused the failure?
Scratch that - it's in the log subdir 🤦

The error is

i686-w64-mingw32.static-g++ -Wl,--allow-multiple-definition -DPOCO_BUILD_HOST='"'ubuntu1804'"' -DPOCO_TARGET_OSNAME='"'MinGW'"' -DPOCO_TARGET_OSARCH='"'i686'"' -DPOCO_UNBUNDLED -D_WIN32 -DMINGW32 -DWINVER=0x501 -DPOCO_NO_FPENVIRONMENT -DPCRE_STATIC -DPOCO_THREAD_STACK_SIZE  -g -static -o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/bin/MinGW/i686/static/cpspcd.exe /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/Page.o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/PageReader.o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/CodeWriter.o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/ApacheCodeWriter.o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/OSPCodeWriter.o /home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/obj/MinGW/i686/debug_static/PageCompiler.o -L/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/lib/MinGW/i686   -lPocoNetd -lPocoUtild -lPocoXMLd -lPocoJSONd -lPocoFoundationd  -liphlpapi -lssl -lcrypto -lws2_32 -lz -lpcre -lexpat
/home/krzmbrzl/Documents/Git/mxe/usr/lib/gcc/i686-w64-mingw32.static/5.5.0/../../../../i686-w64-mingw32.static/lib/../lib/libmingw32.a(lib32_libmingw32_a-crt0_c.o): In function `main':
/home/krzmbrzl/Documents/Git/mxe/tmp-gcc-i686-w64-mingw32.static/gcc-5.5.0.build_.crt/../gcc-5.5.0.build_/mingw-w64-v7.0.0/mingw-w64-crt/crt/crt0_c.c:18: undefined reference to `WinMain@16'
collect2: error: ld returned 1 exit status
/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/build/rules/exec:42: recipe for target '/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/bin/MinGW/i686/static/cpspcd.exe' failed
make[3]: *** [/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler/bin/MinGW/i686/static/cpspcd.exe] Error 1
make[3]: Leaving directory '/home/krzmbrzl/Documents/Git/mxe/tmp-poco-i686-w64-mingw32.static/poco-1.9.4-all/PageCompiler'
Makefile:301: recipe for target 'PageCompiler-libexec' failed
make[2]: *** [PageCompiler-libexec] Error 2

Looks like it is missing a WinMain function... @davidebeatrici don't we have such a thing in our Mumble code as well? WHat do we use it for?

@davidebeatrici
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We have our own entry point called MumbleMain(), which is defined and exported when we build as static (loader + DLL).

About WinMain(): https://docs.microsoft.com/en-us/windows/win32/learnwin32/winmain--the-application-entry-point

The Makefile for the target is here: https://github.com/pocoproject/poco/blob/master/PageCompiler/Makefile

This is the configuration used by MXE: https://github.com/pocoproject/poco/blob/master/build/config/MinGW-CrossEnv

For now I didn't find anything that tells MinGW to search for WinMain(). It's possible it doesn't find main() and falls back to the other entry point.

I would try to build with CMake.

@Krzmbrzl
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Yeah that might be worth a try. I'll give it a shot tomorrow 👍

Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 19, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
3de90be 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 19, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
aa4a5c3 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
@Krzmbrzl Krzmbrzl linked a pull request Aug 19, 2020 that will close this issue
Open
@Krzmbrzl
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Turns out that the patches that enable cmake build on MinGW are still in the development-experimental branch of Poco. And since I don't want to start patching a lot (and building off an experimental branch is not a good option either) I stayed with autoconf. I simply disabled the PageCompiler since it seems that's not a library anyways 🤷

Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 21, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
1de3854 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 21, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
4b1e6ef 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 21, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
82eba2b 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
Krzmbrzl added a commit to Krzmbrzl/mxe that referenced this issue Aug 21, 2020
@Krzmbrzl
Fix Poco only building "Basic Edition"
1a093a2 
The build script only dowloaded the sources of Poco's "Basic Edition"
which only contains a few of its components.
This commit makes it pull the complete Poco library in order to make all
of it available under MXE.

The PageCompiler and Data/ODBC module had to be disabled though as they
don't build successfully.

Fixes mxe#2552
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Fix Poco only building "Basic Edition" Krzmbrzl/mxe
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@davidebeatrici @Krzmbrzl