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rpm: Hack fix finding libpython when compiling for Python 3

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Currently, building RPM with `python = python3` causes this:

checking for a Python interpreter with version >= 2.6... python3
checking for python3... /nix/store/dykqxnrwiz9drlcv2wy8lpvl3xvklx0g-python3-3.4.3/bin/python3
checking for python3 version... 3.4
checking for Python.h... yes
checking for library containing Py_Main... no
configure: error: missing python library

That comes from this snippet in configure.ac:
    AC_SEARCH_LIBS([Py_Main],[python${PYTHON_VERSION} python],[
      WITH_PYTHON_LIB="$ac_res"
    ],[AC_MSG_ERROR([missing python library])
    ])

So it's looking for (e.g) `libpython3.4.so` wheras we have `libpython3.4m.so`.
Patching the configure script to match seems to make that work (although
I don't really understand what the heck is this 'm' business about).
This commit is contained in:
Tuomas Tynkkynen 2015-09-27 07:02:10 +03:00
parent 93d8671e2c
commit c0aada1e1f
1 changed files with 5 additions and 0 deletions
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5
pkgs/tools/package-management/rpm/default.nix
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@ -16,6 +16,11 @@ stdenv.mkDerivation rec {
NIX_CFLAGS_LINK = "-L${elfutils}/lib";
postPatch = ''
# For Python3, the original expression evaluates as 'python3.4' but we want 'python3.4m' here
substituteInPlace configure --replace 'python''${PYTHON_VERSION}' ${python.executable}
'';
configureFlags = "--with-external-db --without-lua --enable-python";
meta = with stdenv.lib; {