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[bug#43654] [PATCH] Add perl-opengl

From: Malte Frank Gerdes
Subject: [bug#43654] [PATCH] Add perl-opengl
Date: Fri, 02 Oct 2020 19:59:41 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux)

Thanks for looking into the patch :)

>I think we can assume that the same MIT license in the root directory of
>the nixpkgs repository also applies to the unmarked files in the


>I suppose the purpose of this glversion.txt is to avoid reproducibility
>issues?  I see it was added as a "pretty ugly hack" in the nixpkgs
>repository [1].

Yes, exactly. I also noticed, that it doesn't matter what the VENDOR and
RENDERER variables contain, it seems that it doesn't get used anyway.

>(Interestingly enough, this text file doesn't seem to
>cause me any issues, even though my computer doesn't support OpenGL 3.0,
>so I guess it's fine.)

I guess it would cause issues once a program tries to use OpenGL
extensions which are not supported on a given computer, otherwise it
shouldn't make any difference. As i understand it this file is supposed
to contain a minimum of OpenGL extensions which are widely available, so
that this (hopefully™) won't happen.

>At the top of the makefile patch, could you add a brief explanation of
>the purpose of the patch and/or link to the source of the patch?  It
>makes the patch much more maintainable, and you can find examples of
>this throughout the gnu/packages/patches subdirectory in the Guix


>There's a minor parenthesis accounting mistake on the lines above.  If
>you delete the last right parenthesis, the indentation issue should be
>fixed and the code should compile.

snap, it seems i made a mistake in magit while adding this line...

>I almost missed this note on my first review!  Please place the package
>definition somewhere in the file so that it leaves the file in some sort
>of alphabetical order.

Yes, after closer inspection of that file i found the order - everything
was mixed at the end so i didn't see it.

>I'd name the above phase "patch-makefiles" since you've patched multiple
>files, but that's just me. ;-)

Makes sense 😁.

So i hope i have addressed all things you mentioned.


diff --git a/gnu/ b/gnu/
index f3b5b17e84..001b249e9e 100644
--- a/gnu/
+++ b/gnu/
@@ -37,6 +37,7 @@
 # Copyright © 2020 Brice Waegeneire <>
 # Copyright © 2020 Tanguy Le Carrour <>
 # Copyright © 2020 Martin Becze <>
+# Copyright © 2020 Malte Frank Gerdes <>
 # This file is part of GNU Guix.
@@ -1406,6 +1407,7 @@ dist_patch_DATA =                                         
   %D%/packages/patches/pam-mount-luks2-support.patch           \
   %D%/packages/patches/pango-skip-libthai-test.patch           \
   %D%/packages/patches/pciutils-hurd-configure.patch           \
+  %D%/packages/patches/perl-opengl-makefile.patch              \
   %D%/packages/patches/ppsspp-disable-upgrade-and-gold.patch           \
   %D%/packages/patches/samba-fix-fcntl-hint-detection.patch            \
   %D%/packages/patches/sdl-pango-api_additions.patch           \
diff --git a/gnu/packages/aux-files/perl-opengl/glversion.txt 
new file mode 100644
index 0000000000..5b5a9a911f
--- /dev/null
+++ b/gnu/packages/aux-files/perl-opengl/glversion.txt
@@ -0,0 +1,5 @@
+VERSION=3.0 Mesa 10.2.6
+VENDOR=Intel Open Source Technology Center
+RENDERER=Mesa DRI Intel(R) Ivybridge Mobile
+EXTENSIONS=GL_ARB_multisample GL_EXT_abgr GL_EXT_bgra GL_EXT_blend_color 
GL_EXT_blend_minmax GL_EXT_blend_subtract GL_EXT_copy_texture 
GL_EXT_polygon_offset GL_EXT_subtexture GL_EXT_texture_object 
GL_EXT_vertex_array GL_EXT_compiled_vertex_array GL_EXT_texture 
GL_EXT_texture3D GL_IBM_rasterpos_clip GL_ARB_point_parameters 
GL_EXT_draw_range_elements GL_EXT_packed_pixels GL_EXT_point_parameters 
GL_EXT_rescale_normal GL_EXT_separate_specular_color GL_EXT_texture_edge_clamp 
GL_SGIS_generate_mipmap GL_SGIS_texture_border_clamp GL_SGIS_texture_edge_clamp 
GL_SGIS_texture_lod GL_ARB_framebuffer_sRGB GL_ARB_multitexture 
GL_EXT_framebuffer_sRGB GL_IBM_multimode_draw_arrays 
GL_IBM_texture_mirrored_repeat GL_3DFX_texture_compression_FXT1 
GL_ARB_texture_cube_map GL_ARB_texture_env_add GL_ARB_transpose_matrix 
GL_EXT_blend_func_separate GL_EXT_fog_coord GL_EXT_multi_draw_arrays 
GL_EXT_secondary_color GL_EXT_texture_env_add GL_EXT_texture_filter_anisotropic 
GL_EXT_texture_lod_bias GL_INGR_blend_func_separate GL_NV_blend_square 
GL_NV_light_max_exponent GL_NV_texgen_reflection GL_NV_texture_env_combine4 
GL_S3_s3tc GL_SUN_multi_draw_arrays GL_ARB_texture_border_clamp 
GL_ARB_texture_compression GL_EXT_framebuffer_object 
GL_EXT_texture_compression_s3tc GL_EXT_texture_env_combine 
GL_EXT_texture_env_dot3 GL_MESA_window_pos GL_NV_packed_depth_stencil 
GL_NV_texture_rectangle GL_ARB_depth_texture GL_ARB_occlusion_query 
GL_ARB_shadow GL_ARB_texture_env_combine GL_ARB_texture_env_crossbar 
GL_ARB_texture_env_dot3 GL_ARB_texture_mirrored_repeat GL_ARB_window_pos 
GL_ATI_envmap_bumpmap GL_EXT_stencil_two_side GL_EXT_texture_cube_map 
GL_NV_depth_clamp GL_APPLE_packed_pixels GL_APPLE_vertex_array_object 
GL_ARB_draw_buffers GL_ARB_fragment_program GL_ARB_fragment_shader 
GL_ARB_shader_objects GL_ARB_vertex_program GL_ARB_vertex_shader 
GL_ATI_draw_buffers GL_ATI_texture_env_combine3 GL_ATI_texture_float 
GL_EXT_shadow_funcs GL_EXT_stencil_wrap GL_MESA_pack_invert 
GL_NV_primitive_restart GL_ARB_depth_clamp GL_ARB_fragment_program_shadow 
GL_ARB_half_float_pixel GL_ARB_occlusion_query2 GL_ARB_point_sprite 
GL_ARB_shading_language_100 GL_ARB_sync GL_ARB_texture_non_power_of_two 
GL_ARB_vertex_buffer_object GL_ATI_blend_equation_separate 
GL_EXT_blend_equation_separate GL_OES_read_format GL_ARB_color_buffer_float 
GL_ARB_pixel_buffer_object GL_ARB_texture_compression_rgtc GL_ARB_texture_float 
GL_ARB_texture_rectangle GL_EXT_packed_float GL_EXT_pixel_buffer_object 
GL_EXT_texture_compression_dxt1 GL_EXT_texture_compression_rgtc 
GL_EXT_texture_rectangle GL_EXT_texture_sRGB GL_EXT_texture_shared_exponent 
GL_ARB_framebuffer_object GL_EXT_framebuffer_blit 
GL_EXT_framebuffer_multisample GL_EXT_packed_depth_stencil 
GL_APPLE_object_purgeable GL_ARB_vertex_array_object GL_ATI_separate_stencil 
GL_EXT_draw_buffers2 GL_EXT_draw_instanced GL_EXT_gpu_program_parameters 
GL_EXT_texture_array GL_EXT_texture_integer GL_EXT_texture_sRGB_decode 
GL_EXT_timer_query GL_OES_EGL_image GL_AMD_performance_monitor 
GL_ARB_copy_buffer GL_ARB_depth_buffer_float GL_ARB_draw_instanced 
GL_ARB_half_float_vertex GL_ARB_instanced_arrays GL_ARB_map_buffer_range 
GL_ARB_texture_rg GL_ARB_texture_swizzle GL_ARB_vertex_array_bgra 
GL_EXT_texture_swizzle GL_EXT_vertex_array_bgra GL_NV_conditional_render 
GL_AMD_conservative_depth GL_AMD_draw_buffers_blend 
GL_AMD_seamless_cubemap_per_texture GL_ARB_ES2_compatibility 
GL_ARB_blend_func_extended GL_ARB_debug_output GL_ARB_draw_buffers_blend 
GL_ARB_draw_elements_base_vertex GL_ARB_explicit_attrib_location 
GL_ARB_fragment_coord_conventions GL_ARB_provoking_vertex GL_ARB_sample_shading 
GL_ARB_sampler_objects GL_ARB_seamless_cube_map GL_ARB_shader_texture_lod 
GL_ARB_texture_cube_map_array GL_ARB_texture_gather GL_ARB_texture_multisample 
GL_ARB_texture_query_lod GL_ARB_texture_rgb10_a2ui GL_ARB_uniform_buffer_object 
GL_ARB_vertex_type_2_10_10_10_rev GL_EXT_provoking_vertex GL_EXT_texture_snorm 
GL_MESA_texture_signed_rgba GL_ARB_get_program_binary GL_ARB_robustness 
GL_ARB_separate_shader_objects GL_ARB_shader_bit_encoding GL_ARB_timer_query 
GL_ARB_transform_feedback2 GL_ARB_transform_feedback3 
GL_ANGLE_texture_compression_dxt3 GL_ANGLE_texture_compression_dxt5 
GL_ARB_conservative_depth GL_ARB_internalformat_query 
GL_ARB_map_buffer_alignment GL_ARB_shader_atomic_counters 
GL_ARB_shading_language_420pack GL_ARB_shading_language_packing 
GL_ARB_texture_storage GL_ARB_transform_feedback_instanced 
GL_EXT_framebuffer_multisample_blit_scaled GL_EXT_transform_feedback 
GL_AMD_shader_trinary_minmax GL_ARB_ES3_compatibility 
GL_ARB_clear_buffer_object GL_ARB_invalidate_subdata 
GL_ARB_texture_query_levels GL_ARB_texture_storage_multisample 
GL_ARB_texture_view GL_ARB_vertex_attrib_binding GL_KHR_debug 
GL_ARB_buffer_storage GL_ARB_multi_bind GL_ARB_texture_mirror_clamp_to_edge 
GL_ARB_vertex_type_10f_11f_11f_rev GL_EXT_shader_integer_mix 
diff --git a/gnu/packages/patches/perl-opengl-makefile.patch 
new file mode 100644
index 0000000000..2f5afd95f8
--- /dev/null
+++ b/gnu/packages/patches/perl-opengl-makefile.patch
@@ -0,0 +1,41 @@
+This patch substitutes the harcoded library Paths from Makefile.PL to make it
+easier to insert the store paths.
+It also removes the generation of utils/glversion.txt , because it gets
+statically copied anyway to not rely on the build machines capabilities.
+diff --git a/Makefile.PL b/Makefile.PL
+index d32205d..3e8fa0a 100755
+--- a/Makefile.PL
++++ b/Makefile.PL
+@@ -124,14 +124,7 @@ if ($IS_MINGW)
+ # Look for available libs
+ our @libdirs = qw
+ {
+-  -L/usr/lib
+-  -L/usr/lib/i386-linux-gnu
+-  -L/usr/X11R6/lib
+-  -L/opt/X11/lib
+-  -L/usr/local/lib
+-  -L/usr/openwin/lib
+-  -L/opt/csw/lib
+-  -L/usr/local/freeglut/lib
+ };
+ our @check_libs = qw
+@@ -804,7 +797,6 @@ sub get_extensions
+   my $exc_file = 'gl_exclude.h';
+   unlink($exc_file) if (-e $exc_file);
+   my $glv_file = 'utils/glversion.txt';
+-  unlink($glv_file) if (-e $glv_file);
+   # Only run the rest if GLUT is installed
+   print "Testing GLUT version\n" if ($verbose);
+@@ -861,7 +853,7 @@ sub get_extensions
+     $make_ver = ";make -f Makefile " .  (length($lib) ? "GLUT_LIB=$lib " : 
"") . (length($def) ? "GLUT_DEF=$def " : "");
+     print "glversion: '$make_ver'\n" if $verbose>1;
+   }
+-  my $exec = 'cd utils'."$make_ver clean".$make_ver;
++  my $exec = 'cd utils'.$make_ver;
+   print "glversion: $exec\n" if ($verbose);
+   my $stat = `$exec`;
+   print "\n$stat\n\n" if ($verbose);
diff --git a/gnu/packages/perl.scm b/gnu/packages/perl.scm
index 1c3d999d79..853968f5f1 100644
--- a/gnu/packages/perl.scm
+++ b/gnu/packages/perl.scm
@@ -27,6 +27,7 @@
 ;;; Copyright © 2020 Vincent Legoll <>
 ;;; Copyright © 2020 Paul Garlick <>
 ;;; Copyright © 2020 Nicolas Goaziou <>
+;;; Copyright © 2020 Malte Frank Gerdes <>
 ;;; This file is part of GNU Guix.
@@ -49,6 +50,7 @@
   #:use-module (gnu packages)
   #:use-module (guix packages)
   #:use-module (guix download)
+  #:use-module (guix gexp)
   #:use-module (guix git-download)
   #:use-module (guix utils)
   #:use-module (guix build-system gnu)
@@ -74,7 +76,8 @@
   #:use-module (gnu packages sdl)
   #:use-module (gnu packages textutils)
   #:use-module (gnu packages video)
-  #:use-module (gnu packages web))
+  #:use-module (gnu packages web)
+  #:use-module (gnu packages xorg))
 ;;; Please: Try to add new module packages in alphabetic order.
@@ -7870,6 +7873,64 @@ technology to store hierarchical information such as 
links to other
 documents within a single file.")
     (license (package-license perl))))
+(define-public perl-opengl
+  (package
+    (name "perl-opengl")
+    (version "0.70")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "mirror://cpan/authors/id/C/CH/CHM/OpenGL-"
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "1q3lz168q081iwl9jg21fbzhp9la79gav9mv6nmh2jab83s2l3mj"))
+       (patches (search-patches "perl-opengl-makefile.patch"))))
+    (build-system perl-build-system)
+    (native-inputs
+     `(("xvfb" ,xorg-server-for-tests)
+       ("glversion-txt" ,(local-file "aux-files/perl-opengl/glversion.txt"))))
+    (inputs `(("mesa" ,mesa)
+              ("glu" ,glu)
+              ("freeglut" ,freeglut)
+              ("libxi" ,libxi)
+              ("libxmu" ,libxmu)
+              ("libice" ,libice)))
+    (arguments
+     '(#:phases
+       (modify-phases %standard-phases
+         (add-before 'configure 'patch-makefiles
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "Makefile.PL"
+               (("^@@libdirs@@")
+                (string-concatenate
+                 (map (lambda (input)
+                        (string-append "-L" (cdr input) "/lib\n"))
+                      inputs))))
+             (substitute* "utils/Makefile"
+               (("^all: glversion.txt") "all:"))
+             #t))
+         (add-before 'configure 'inject-glversion
+           (lambda* (#:key inputs #:allow-other-keys)
+             (copy-file (assoc-ref inputs "glversion-txt")
+                        "utils/glversion.txt")
+             #t))
+         (add-before 'check 'pre-check
+           (lambda _
+             ;; Tests require a running X server.
+             (system "Xvfb :1 &")
+             (setenv "DISPLAY" ":1")
+             #t))
+         )))
+    (home-page "";)
+    (synopsis
+     "Perl bindings to the OpenGL API, GLU, and GLUT/FreeGLUT")
+    (description "The package provides Perl bindings to OpenGL, GLU
+and FreeGLUT.")
+    (license (package-license perl))))
 (define-public perl-package-anon
     (name "perl-package-anon")

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