From 2309e060ee473676d0d82acf132cfefa43cd203c8e3ea2f3e79a1f857e7ab3af Mon Sep 17 00:00:00 2001
From: Atri Bhattacharya <badshah400@gmail.com>
Date: Sat, 20 Mar 2021 17:07:11 +0000
Subject: [PATCH] Accepting request 879538 from home:aaronpuchert

- Fix build by adding missing python-rpm-macros dependency.
- Build Python bindings for current Python version.
- Make sure we're actually using the compiler flags.
- Fix shebangs.

OBS-URL: https://build.opensuse.org/request/show/879538
OBS-URL: https://build.opensuse.org/package/show/science/libsvm?expand=0&rev=17
---
 libsvm.changes |  8 ++++++++
 libsvm.spec    | 35 +++++++++++++++++++++++------------
 2 files changed, 31 insertions(+), 12 deletions(-)

diff --git a/libsvm.changes b/libsvm.changes
index d08c8ec..3a41627 100644
--- a/libsvm.changes
+++ b/libsvm.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Tue Mar 16 23:03:23 UTC 2021 - Aaron Puchert <aaronpuchert@alice-dsl.net> 
+
+- Fix build by adding missing python-rpm-macros dependency.
+- Build Python bindings for current Python version.
+- Make sure we're actually using the compiler flags.
+- Fix shebangs.
+
 -------------------------------------------------------------------
 Wed Sep 11 11:54:50 UTC 2019 - Stefan Brüns <stefan.bruens@rwth-aachen.de>
 
diff --git a/libsvm.spec b/libsvm.spec
index f0b1832..5b35b4c 100644
--- a/libsvm.spec
+++ b/libsvm.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libsvm
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2021 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,12 +25,13 @@ Release:        0
 URL:            https://www.csie.ntu.edu.tw/~cjlin/libsvm/
 Source0:        https://www.csie.ntu.edu.tw/~cjlin/libsvm/%{name}-%{version}.tar.gz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+BuildRequires:  %{python_module devel}
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  java-devel
 BuildRequires:  javapackages-tools
 BuildRequires:  ncurses-devel
-BuildRequires:  python-devel
+BuildRequires:  python-rpm-macros
 
 %description
 LIBSVM is an integrated software for support vector classification,
@@ -67,14 +68,14 @@ Conflicts:      vpp-devel
 This package contains the libraries and header files needed for
 developing applications with libsvm.
 
-%package -n python-svm
+%package -n %{python_prefix}-svm
 Summary:        Python bindings for libsvm
 Group:          Development/Languages/Python
 Requires:       gnuplot
 Requires:       svm-tools = %{version}
 BuildArch:      noarch
 
-%description -n python-svm
+%description -n %{python_prefix}-svm
 This package contains the Python bindings for libsvm.
 
 %package java
@@ -94,10 +95,12 @@ This package contains the Java bindings for libsvm.
 %setup -q
 
 %build
-export CFLAGS="%{optflags} -Wconversion -fPIC"
-make
-make all
-make lib
+# We can't override CFLAGS, we have to patch the Makefile.
+sed -i '
+    s/^CFLAGS = .*$/CFLAGS = %{optflags} -Wall -Wconversion -fPIC/g
+    s/$(CXX) $${SHARED_LIB_FLAG}/$(CXX) %{optflags} $${SHARED_LIB_FLAG}/g
+' Makefile
+make %{_smp_mflags} all lib
 rm -f java/libsvm.jar
 make -C java
 
@@ -121,10 +124,18 @@ ln -s %{_libdir}/libsvm.so.2 %{buildroot}%{_libdir}/libsvm.so
 mv ./python/README README-python
 mv ./tools/README README-python-tools
 
-install -m 755 ./python/svm.py %{buildroot}%{python_sitelib}/svm
-install -m 755 ./python/svmutil.py %{buildroot}%{python_sitelib}/svm
+# Don't use env in shebangs, and prefer the default Python.
+# (https://www.python.org/dev/peps/pep-0394/#for-python-runtime-distributors)
+sed -i '1s|/usr/bin/env *|%{_bindir}/|;1s|/usr/bin/python$|%{_bindir}/python%python_bin_suffix|' \
+    %{buildroot}%{_bindir}/svm-*
+
+install -m 644 ./python/svm.py %{buildroot}%{python_sitelib}/svm
+install -m 644 ./python/svmutil.py %{buildroot}%{python_sitelib}/svm
 touch %{buildroot}%{python_sitelib}/svm/__init__.py
 
+# Remove unnecessary shebangs.
+sed -i '/^#!\/usr\/bin\/env .*$/d' %{buildroot}%{python_sitelib}/svm/*
+
 install -m 755 ./java/%{name}.jar %{buildroot}%{_javadir}/%{name}.jar
 
 %fdupes -s %{buildroot}
@@ -140,14 +151,14 @@ install -m 755 ./java/%{name}.jar %{buildroot}%{_javadir}/%{name}.jar
 %{_bindir}/svm-predict
 
 %files -n libsvm2
-%doc COPYRIGHT
+%license COPYRIGHT
 %{_libdir}/libsvm.so.2
 
 %files devel
 %{_includedir}/libsvm
 %{_libdir}/libsvm.so
 
-%files -n python-svm
+%files -n %{python_prefix}-svm
 %doc README-python README-python-tools
 %{_bindir}/svm-checkdata
 %{_bindir}/svm-grid