$ make clean
rm -f *.o *.so *.dll libgraphcore.so libnatwin.so
[markus@arch graph-toolkit]$ make
Compiling str.c
Compiling gs-types.c
Compiling lua-utils.c
Compiling lua-properties.c
Compiling gamma.cpp
Compiling printf_check.cpp
Compiling utils.cpp
Compiling window_registry.cpp
Compiling fonts_search_x11.cpp
Compiling image_write_x11.cpp
Compiling fonts.cpp
Compiling agg_font_freetype.cpp
Compiling plot.cpp
plot.cpp: In member function 'double plot::draw_axis_m(plot::axis_e, units&, const agg::trans_affine&, ptr_list<draw::text>&, double, agg::path_storage&, agg::path_storage&)':
plot.cpp:198:22: warning: '*((void*)(& bb)+8).agg::rect_base<double>::y2' may be used uninitialized in this function [-Wmaybe-uninitialized]
     opt_rect<double> bb;
                      ^
plot.cpp:198:22: warning: '*((void*)(& bb)+8).agg::rect_base<double>::x2' may be used uninitialized in this function [-Wmaybe-uninitialized]
plot.cpp:198:22: warning: '*((void*)(& bb)+8).agg::rect_base<double>::y1' may be used uninitialized in this function [-Wmaybe-uninitialized]
plot.cpp:198:22: warning: '*((void*)(& bb)+8).agg::rect_base<double>::x1' may be used uninitialized in this function [-Wmaybe-uninitialized]
Compiling plot-auto.cpp
Compiling units.cpp
Compiling colors.cpp
Compiling markers.cpp
Compiling draw_svg.cpp
Compiling canvas_svg.cpp
Compiling lua-draw.cpp
Compiling lua-text.cpp
Compiling text.cpp
Compiling agg-parse-trans.cpp
Compiling lua-plot.cpp
lua-plot.cpp: In function 'int plot_get_legend(lua_State*)':
lua-plot.cpp:832:27: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
     lua_rawgeti(L, -1, pos);  /* push leg_table[pos] */
                           ^
lua-plot.cpp: In function 'int plot_set_legend(lua_State*)':
lua-plot.cpp:799:27: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
     lua_rawseti(L, -2, pos);  /* leg_table[pos] = legend */
                           ^
lua-plot.cpp:774:26: note: 'pos' was declared here
     sg_plot::placement_e pos;
                          ^
Compiling bitmap-plot.cpp
Compiling lua-graph.cpp
gcc -fPIC -shared str.o gs-types.o lua-utils.o lua-properties.o gamma.o printf_check.o utils.o window_registry.o fonts_search_x11.o image_write_x11.o fonts.o agg_font_freetype.o plot.o plot-auto.o units.o colors.o markers.o draw_svg.o canvas_svg.o lua-draw.o lua-text.o text.o agg-parse-trans.o lua-plot.o bitmap-plot.o lua-graph.o -o libgraphcore.so -lfreetype  -lagg  -lX11  -lluajit-5.1  -lpthread -lsupc++
/usr/bin/ld: str.o: relocation R_X86_64_32 against `.rodata' can not be used when making a shared object; recompile with -fPIC
str.o: error adding symbols: Bad value
collect2: error: ld returned 1 exit status
Makefile:165: recipe for target 'libgraphcore.so' failed
make: *** [libgraphcore.so] Error 1

$ gcc --version
gcc (GCC) 4.9.1 20140903 (prerelease)
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


$ luajit -v
LuaJIT 2.0.3 -- Copyright (C) 2005-2014 Mike Pall. http://luajit.org/


$ pacman -Qi agg
Name           : agg
Version        : 2.5-6
Description    : A High Quality Rendering Engine for C++
Architecture   : x86_64
URL            : http://pkgs.fedoraproject.org/cgit/agg.git
Licenses       : GPL
Groups         : None
Provides       : antigrain
Depends On     : gcc-libs  sdl  freetype2
Optional Deps  : None
Required By    : None
Optional For   : None
Conflicts With : None
Replaces       : antigrain
Installed Size : 1954.00 KiB
Packager       : Jan Alexander Steffens (heftig) <[email protected]>
Build Date     : Sun May 4 06:20:48 2014
Install Date   : Wed Oct 15 21:37:59 2014
Install Reason : Explicitly installed
Install Script : No
Validated By   : Signature

[markus@arch graph-toolkit]$