Cannot build shared library for libxml2

[Kurvivor19]

When trying to build libxml2 manually from source, process described in https://github.com/msys2/MSYS2-packages/blob/master/libxml2/PKGBUILD fails.

What i did:

1. downloaded sources for libxml2-2.9.10;
2. applied patches;
3. run autoreconf;
4. configured with options proposed, with:

../configure --prefix=/usr --build=x86_64-pc-msys --enable-shared --sysconfdir=/etc --localstatedir=/var --host=x86_64-pc-msys --target=x86_64-pc-msys --enable-ipv6 --with-history --with-icu --with-python=/usr/bin/python2

When running make, i get the following output:

> *** Warning: linker path does not have real file for library -lpthread.
> *** I have the capability to make that library automatically link in when
> *** you link to this library.  But I can only do this if you have a
> *** shared version of the library, which you do not appear to have
> *** because I did check the linker path looking for a file starting
> *** with libpthread and none of the candidates passed a file format test
> *** using a file magic. Last file checked: /usr/lib/libpthread.a
> *** The inter-library dependencies that have been dropped here will be
> *** automatically added whenever a program is linked with this library
> *** or is declared to -dlopen it.
> 
> *** Since this library must not contain undefined symbols,
> *** because either the platform does not support them or
> *** it was explicitly requested with -no-undefined,
> *** libtool will only create a static version of it.

then number of undefined references:

>   CCLD     xmllint.exe
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: xmllint.o: in function `xmllintExternalEntityLoader':
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:310: undefined reference to `__imp_xmlFree'
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:310:(.text+0xb25): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:307: undefined reference to `__imp_xmlFree'
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:307:(.text+0xcd2): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: xmllint.o: in function `myStrdupFunc':
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:381: undefined reference to `__imp_xmlFree'
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:381:(.text+0xd48): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: xmllint.o: in function `processNode':
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:1803: undefined reference to `__imp_xmlFree'
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:1803:(.text+0x106e): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: xmllint.o: in function `xmlHTMLEncodeSend':
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:534: undefined reference to `__imp_xmlFree'
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:534:(.text+0x1c3c): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'
> /usr/lib/gcc/x86_64-pc-msys/9.3.0/../../../../x86_64-pc-msys/bin/ld: xmllint.o:/e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:2625: more undefined references to `__imp_xmlFree' follow
> xmllint.o: in function `parseAndPrintFile':
> /e/work/unix_env/sources_packages/libxml2-2.9.10/build2/../xmllint.c:2625:(.text+0x2313): relocation truncated to fit: R_X86_64_PC32 against undefined symbol `__imp_xmlFree'

What goes wrong and how can the issue be resolved?

[elieux]

Seems like the issue comes from icu:

$ pkg-config --libs icu-i18n
-licui18n -licuuc -licudata -lpthread -lm

But there's also a Python2 issue:

mv: cannot stat '/w/dev/msys2-packages/libxml2/src/dest/usr/lib/python2.7/site-packages/msys-xml2mod.dll': No such file or directory

[Alexpux]

The problem I think is from new binutils. You need add befor configure:
export lt_cv_deplibs_check_method=“pass_all”

[lazka]

export lt_cv_deplibs_check_method=“pass_all”

this works

edit: I'll look into fixing this an moving things to Python 3