Unable to compile on debian wheezy

[cebe]

git clone https://github.com/xDarkice/soup-sharp
cd soup-sharp
./autogen.sh
make

results in

Making all in sources
make[1]: Entering directory `/opt/soup-sharp/sources'
/usr/bin/gmcs -nowarn:169 -unsafe -target:library \
        AssemblyInfo.cs   -r:/usr/local/lib/pkgconfig/../../lib/mono/gtk-sharp-3.0/glib-sharp.dll    generated/*.cs -out:../out/soup-sharp.dll
AssemblyInfo.cs(11,12): warning CS1699: Use compiler option `keyfile' or appropriate project settings instead of `AssemblyKeyFile' attribute
Compilation succeeded - 1 warning(s)
make[1]: Leaving directory `/opt/soup-sharp/sources'
Making all in sources/glue
make[1]: Entering directory `/opt/soup-sharp/sources/glue'
/bin/bash ../../libtool --tag=CC   --mode=compile gcc -DPACKAGE_NAME=\"soup-sharp\" -DPACKAGE_TARNAME=\"soup-sharp\" -DPACKAGE_VERSION=\"2.42.2\" -DPACKAGE_STRING=\"soup-sharp\ 2.42.2\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"soup-sharp\" -DVERSION=\"2.42.2\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. -pthread -I/usr/include/libsoup-2.4 -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include   -I../..    -DLIBSOUP_USE_UNSTABLE_REQUEST_API -MT generated.lo -MD -MP -MF .deps/generated.Tpo -c -o generated.lo generated.c
libtool: compile:  gcc -DPACKAGE_NAME=\"soup-sharp\" -DPACKAGE_TARNAME=\"soup-sharp\" -DPACKAGE_VERSION=\"2.42.2\" "-DPACKAGE_STRING=\"soup-sharp 2.42.2\"" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DPACKAGE=\"soup-sharp\" -DVERSION=\"2.42.2\" -DSTDC_HEADERS=1 -DHAVE_SYS_TYPES_H=1 -DHAVE_SYS_STAT_H=1 -DHAVE_STDLIB_H=1 -DHAVE_STRING_H=1 -DHAVE_MEMORY_H=1 -DHAVE_STRINGS_H=1 -DHAVE_INTTYPES_H=1 -DHAVE_STDINT_H=1 -DHAVE_UNISTD_H=1 -DHAVE_DLFCN_H=1 -DLT_OBJDIR=\".libs/\" -I. -pthread -I/usr/include/libsoup-2.4 -I/usr/include/libxml2 -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I../.. -DLIBSOUP_USE_UNSTABLE_REQUEST_API -MT generated.lo -MD -MP -MF .deps/generated.Tpo -c generated.c  -fPIC -DPIC -o .libs/generated.o
generated.c: In function 'soupsharp_soup_authmanager_get_parent_offset':
generated.c:64:2: error: unknown type name 'SoupAuthManager'
generated.c: In function 'soupsharp_soup_cookiejardb_get_parent_offset':
generated.c:104:2: error: unknown type name 'SoupCookieJarDB'
make[1]: *** [generated.lo] Fehler 1
make[1]: Leaving directory `/opt/soup-sharp/sources/glue'
make: *** [all-recursive] Fehler 1

Same with master and 2.42.2 tag. Any idea how to fix this or where to look further?