[libmicrohttpd] Build issue on MINGW

[Tim Rühsen]

Hi,

the build on MinGW fails in lib/src/ due to

        @echo Creating $@ and libmicrohttpd2.exp by $(DLLTOOL)... && \
        dll_name=`$(EGREP) -o dlname=\'.+\' libmicrohttpd2.la` && \

libmicrohttpd2.la 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 INSTALLDIR="$PWD/$PREFIX"
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 https://github.com/dlfcn-win32/dlfcn-win32.git
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 https://gnunet.org/git/libmicrohttpd.git
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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