# Enabling this option invokes section 3 of the LGPL, applying the terms of
# the ordinary GNU General Public License version 2 instead of the LGPL.
# See the included "calc-converted-to-gpl.txt" source file for details.
%define with_readline 1

# This is disabled right now because it prevents correct linking. The issues
# here are related to the issues with linking with readline, in that the 
# split between libraries is poorly defined.
%define with_custom_interface 0

%if %{with_readline}
License:       GPLv2
%else
License:       LGPLv2
%endif

Name:          calc
Version:       2.14.0.14
Release:       %autorelease
Summary:       Arbitrary precision arithmetic system and calculator

# Also, https://github.com/lcn2/calc
URL:           http://isthe.com/chongo/tech/comp/calc/
Source0:       https://github.com/lcn2/calc/releases/download/v%{version}/calc-%{version}.tar.bz2
Source1:       calc-converted-to-gpl.txt
Source2:       calc-COPYING-GPL

BuildRequires: gcc, sed, util-linux

# for compatibility with the Debian package name
Provides:      apcalc

%if %{with_readline}
# If readline-devel < 5.2-3, READLINE_EXTRAS must be set to 
# "-lhistory -lncurses" or some variant (e.g. -ltinfo).
# If readline-devel < 4.2, something else goes horribly wrong.
BuildRequires: ncurses-devel >= 5.2-26, readline-devel >= 5.2-3
%endif
BuildRequires: make

Recommends:    less >= 358
Recommends:    %{name}-stdrc

%description
Calc is an arbitrary precision C-like arithmetic system that is a
calculator, an algorithm-prototyper, and a mathematical research tool. Calc
comes with a rich set of built-in mathematical and programmatic functions.
%if %{with_readline}
Note: this copy of Calc is linked against the GNU Readline library and has
been converted to the ordinary GPL as per section 3 of the LGPL. See the
included calc-converted-to-gpl.txt document for details.
%endif


%package libs
Summary:       Libraries for the calc arithmetic system

%description libs
Shared libraries used by the calc command line calculator and other programs
using its arbitrary precision arithmetic routines.


%package devel
Summary:        Development files for the calc arithmetic system
Requires:       %{name}-libs = %{version}-%{release}

%description devel
This package contains files necessary to build applications which use the
calc arbitrary precision arithmetic system.


%package stdrc
Summary:      Standard resource files the calc arithmetic system
Requires:     %{name} = %{version}-%{release}

%description stdrc
This package contains the standard calc resource files and several calc
shell scripts. They serve as examples of the calc language and may also be
useful in themselves.



%prep
%setup -q

%if %{with_readline}
  for f in help.c version.c calc.man $( ls help/*|grep  '^help/credit$' ) ; do
    sed -i -e's/version 2.1 \(.*GNU\)/version 2 \1/;s/COPYING\(.\)LGPL/COPYING\1GPL/;s/copying.lgpl/copying-gpl/;s/GNU LGPL/GNU GPL/;s/GNU Lesser General/GNU General/' $f
  done
  cp -p %{SOURCE1} COPYING
  cp -p %{SOURCE2} COPYING-GPL
%endif


%build

# note parallel make (-j3, or whatever) doesn't work correctly.
make DEBUG="%{optflags}" \
%if %{with_custom_interface}
     ALLOW_CUSTOM="-DCUSTOM" \
%else
     ALLOW_CUSTOM="" \
%endif
     LD_SHARE="" \
%if %{with_readline}
     USE_READLINE="-DUSE_READLINE" \
     READLINE_LIB="-lreadline" \
     READLINE_EXTRAS="" \
%else
     USE_READLINE="" \
%endif
     HAVE_FPOS="-DHAVE_NO_FPOS" \
     ARCH_CFLAGS="" \
     PREFIX=%{_prefix} \
     LIBDIR=%{_libdir} \
     Q="" V="@" \
     all


%install

make T=%{buildroot} \
%if %{with_custom_interface}
     ALLOW_CUSTOM="-DCUSTOM" \
%else
     ALLOW_CUSTOM="" \
%endif
     PREFIX=%{_prefix} \
     LIBDIR=%{_libdir} \
     SCRIPTDIR=%{_datadir}/%{name}/cscript \
     install

%if %{with_readline} 
  rm -f %{buildroot}/%{_datadir}/%{name}/help/COPYING-LGPL
  # mode 444 to match the other files
  install -p -m 444 COPYING-GPL %{buildroot}/%{_datadir}/%{name}/help/
  rm -f %{buildroot}/%{_datadir}/%{name}/bindings
%endif

%if ! %{with_custom_interface}
  # if we don't enable the custom interface, don't ship symlinks to it
  rm -f %{buildroot}/%{_libdir}/libcustcalc.so*
%endif

# Changing permissions of executables to 755 to shut up rpmlint.
chmod 755 %{buildroot}%{_datadir}/%{name}/cscript/*
chmod 755 %{buildroot}%{_bindir}/calc

# Fix permissions of libcalc, which upstream is now shipping non-executable
# for some reason
chmod 755 %{buildroot}/%{_libdir}/libcalc.so.%{version}

# move these so the doc macro can find them
mv %{buildroot}%{_datadir}/%{name}/README README-standard-resource
mv cscript/README README-cscript


%check
make chk
     

%ldconfig_scriptlets libs


%files
%if %{with_readline}
%doc BUGS CHANGES README.FIRST README.md
%license COPYING COPYING-GPL
%else
%doc BUGS CHANGES README.FIRST README.md
%license COPYING-LGPL
%endif
%{_bindir}/calc
%{_mandir}/man1/calc.1*
%dir %{_datadir}/%{name}
%dir %{_datadir}/%{name}/help
%{_datadir}/%{name}/help/*
%if %{with_custom_interface}
%dir %{_datadir}/%{name}/custhelp
%{_datadir}/%{name}/custhelp/*
%endif
%if ! %{with_readline}
%{_datadir}/%{name}/bindings
%endif

%files libs
%if %{with_readline}
%doc BUGS CHANGES
%license COPYING COPYING-GPL
%else
%doc BUGS CHANGES
%license COPYING-LGPL
%endif
%{_libdir}/libcalc.so.*
%if %{with_custom_interface}
%{_libdir}/libcustcalc.so.*
%endif

%files devel
%doc LIBRARY
%{_libdir}/libcalc.so
%if %{with_custom_interface}    
%{_libdir}/libcustcalc.so
%endif
%dir %{_includedir}/calc
%{_includedir}/calc/*.h

%files stdrc
%doc README-standard-resource README-cscript
%dir %{_datadir}/%{name}/cscript
%{_datadir}/%{name}/cscript/*
%if %{with_custom_interface}
%dir %{_datadir}/%{name}/custom
%{_datadir}/%{name}/custom/*
%endif
%{_datadir}/%{name}/*.cal
%{_datadir}/%{name}/*.line


%changelog
%autochangelog