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Re: [libmicrohttpd] Build issue on MINGW

From: Tim Rühsen
Subject: Re: [libmicrohttpd] Build issue on MINGW
Date: Tue, 23 Oct 2018 10:28:18 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

Hi Christian,

sorry for answering so late :-(

Such a switch would indeed be useful if one wants to test/use the latest
master branch.

In my case it is using latest master as dependency for CI Testing of
Wget2. This includes a MinGW CI runner.

Of course I can checkout the latest release tag, but atm I try to find
issues in MHD development early.

There is also the possibility to slightly change the development cycle
of MHD:
- Add new a feature in an own branch
- Push that branch to to test the code via CI (we already
created CI runners), optionally create an MR (merge request) for
- When CI succeeds: merging of the feature branch into master (directly
or via Gitlab UI)

That way you keep the master branch clean and tested.

Whatever you decide, let me know and I'll change my build scripts :-)

Regards, Tim

On 10/18/18 5:34 PM, Christian Grothoff wrote:
> Hi Tim,
> The issue is that in line, we have "noinst_" instead of
> "lib_" because the code is far from complete and it must not yet be
> installed. That causes the dlname='' issue you describe.
> The best fix I can propose: I'm adding an option (--enable-experimental)
> which disables building src/lib/ by default, so that users that don't
> care about the experimental code don't get disrupted like this.
> Happy hacking!
> Christian
> On 10/18/2018 04:45 PM, Tim Rühsen wrote:
>> Hi,
>> the build on MinGW fails in lib/src/ due to
>>         @echo Creating $@ and libmicrohttpd2.exp by $(DLLTOOL)... && \
>>         dll_name=`$(EGREP) -o dlname=\'.+\'` && \
>> contains
>>   dlname=''
>> and thus the egrep (or grep -E) fails.
>> I am on Debian unstable and use this sequence in a script:
>> unset CC
>> PREFIX=x86_64-w64-mingw32
>> export PKG_CONFIG_PATH=$INSTALLDIR/lib/pkgconfig
>> export CPPFLAGS="-I$INSTALLDIR/include"
>> export LDFLAGS="-L$INSTALLDIR/lib"
>> export CFLAGS="-O2 -Wall -Wno-format"
>> git clone --recursive
>> cd dlfcn-win32
>> ./configure --prefix=$PREFIX --cc=$PREFIX-gcc
>> make
>> cp -p libdl.a ../$PREFIX/lib/
>> cp -p dlfcn.h ../$PREFIX/include/
>> cd ..
>> git clone --recursive
>> cd libmicrohttpd
>> ./bootstrap
>> ./configure --build=x86_64-pc-linux-gnu --host=$PREFIX
>> --prefix=$INSTALLDIR --disable-doc --disable-examples --enable-shared
>> make clean
>> make -j$(nproc)
>> cd ..
>> Regards, Tim

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