Accepting request 915024 from home:mcepl:python-libmpdec

- Add decimal.patch to add building with --with-system-libmpdec
  option (bsc#1189356).

OBS-URL: https://build.opensuse.org/request/show/915024
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python:Factory/python39?expand=0&rev=82

python39.spec

@@ -76,6 +76,12 @@
 %if "%{_arch}" == "arm"
 %define armsuffix hf
 %endif
+# Decide whether we want to use mpdecimal
+%if 0%{?suse_version} >= 1550
+%bcond_without mpdecimal
+%else
+%bcond_with mpdecimal
+%endif
 # pyexpat.cpython-35m-x86_64-linux-gnu
 # pyexpat.cpython-35m-powerpc64le-linux-gnu
 # pyexpat.cpython-35m-armv7-linux-gnueabihf
@@ -120,6 +126,10 @@ Patch02:        F00251-change-user-install-location.patch
 # PATCH-FEATURE-UPSTREAM distutils-reproducible-compile.patch gh#python/cpython#8057 mcepl@suse.com
 # Improve reproduceability
 Patch06:        distutils-reproducible-compile.patch
+# PATCH-FEATURE-UPSTREAM decimal.patch bsc#1189356 mcepl@suse.com
+# fix building with mpdecimal
+# https://www.bytereef.org/contrib/decimal.diff
+Patch05:        decimal.patch
 # support finding packages in /usr/local, install to /usr/local by default
 Patch07:        python-3.3.0b1-localpath.patch
 # replace DATE, TIME and COMPILER by fixed definitions to aid reproducible builds
@@ -159,6 +169,9 @@ BuildRequires:  pkgconfig(zlib)
 BuildRequires:  pkgconfig(libnsl)
 BuildRequires:  pkgconfig(libtirpc)
 %endif
+%if %{with mpdecimal}
+BuildRequires:  mpdecimal-devel
+%endif
 %if %{with doc}
 %if 0%{?suse_version} >= 1550
 BuildRequires:  %{python_pkg_name}-Sphinx
@@ -389,6 +402,9 @@ other applications.
 %if 0%{?sle_version} && 0%{?sle_version} <= 150300
 %patch34 -p1
 %endif
+%if %{with mpdecimal}
+%patch05 -p1
+%endif
 
 # drop Autoconf version requirement
 sed -i 's/^AC_PREREQ/dnl AC_PREREQ/' configure.ac
@@ -450,6 +466,9 @@ export CFLAGS="%{optflags} -IVendor/"
     --with-lto \
 %if %{with profileopt}
     --enable-optimizations \
+%endif
+%if %{with mpdecimal}
+    --with-system-libmpdec \
 %endif
     --enable-loadable-sqlite-extensions