Tue Apr 5 14:26:38 UTC 2011

4 files changed, 677 insertions, 0 deletions

diff --git a/extra/racket/PKGBUILD b/extra/racket/PKGBUILD
new file mode 100644
index 000000000..21345b269
--- /dev/null
+++ b/extra/racket/PKGBUILD
@@ -0,0 +1,36 @@
+# $Id: PKGBUILD 110163 2011-02-17 06:55:24Z eric $
+# Maintainer: Eric Bélanger <eric@archlinux.org>
+
+pkgname=racket
+pkgver=5.1
+pkgrel=1
+pkgdesc="PLT Racket (a variant of Scheme) Environment"
+arch=('i686' 'x86_64')
+url="http://racket-lang.org/"
+license=('LGPL')
+depends=('gtk2' 'libjpeg' 'desktop-file-utils')
+provides=('drscheme')
+conflicts=('drscheme')
+replaces=('drscheme')
+options=('!strip')
+install=racket.install
+source=(http://download.racket-lang.org/installers/${pkgver}/racket/${pkgname}-${pkgver}-src-unix.tgz \
+        drracket.desktop jpeg-version.patch)
+md5sums=('c3b0bffb998ad530c06512d045a59f15' '9223c9736ead677431542b41271c7b3c'\
+         '0aae72b6f19963c569d20fa8793482e1')
+sha1sums=('6c314a71bab77eb48efad8f6c9fa597b6a5a305d' 'a20808f6b250225704856f82a544681a962a299d'\
+         'afa13f3ef66f5434b209f545f82545a869ada2b2')
+
+build() {
+  cd "${srcdir}/${pkgname}-${pkgver}/src"
+  (cd ..; patch -p1 -i "${srcdir}/jpeg-version.patch")
+  ./configure --prefix=/usr
+  make
+}
+
+package() {
+  cd "${srcdir}/${pkgname}-${pkgver}/src"
+  make DESTDIR="${pkgdir}" install
+  install -D -m644 ../collects/icons/plt.xpm "${pkgdir}/usr/share/pixmaps/drracket.xpm"
+  install -D -m644 "${srcdir}/drracket.desktop" "${pkgdir}/usr/share/applications/drracket.desktop"
+}
diff --git a/extra/racket/drracket.desktop b/extra/racket/drracket.desktop
new file mode 100644
index 000000000..79876de50
--- /dev/null
+++ b/extra/racket/drracket.desktop
@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=DrRacket
+GenericName=IDE for Racket
+Comment=DrRacket is an interactive, integrated, graphical programming environment for the Racket programming languages.
+Exec=drracket
+Terminal=false
+Type=Application
+Categories=Education;Development;
+Icon=drracket
diff --git a/extra/racket/jpeg-version.patch b/extra/racket/jpeg-version.patch
new file mode 100644
index 000000000..253f08ae6
--- /dev/null
+++ b/extra/racket/jpeg-version.patch
@@ -0,0 +1,621 @@
+From: Matthew Flatt <mflatt@racket-lang.org>
+Date: Wed, 16 Feb 2011 14:30:34 +0000 (-0700)
+Subject: fix jpeg structs to better adapt to jpeglib versions and platforms
+X-Git-Url: http://git.racket-lang.org/plt/commitdiff_plain/e59b96e26c7f1edb193a42f16c97d30a085a182c
+
+fix jpeg structs to better adapt to jpeglib versions and platforms
+ --- specifically fixing jpeglib version 8 on x86_64
+---
+
+diff --git a/collects/racket/draw/unsafe/jpeg.rkt b/collects/racket/draw/unsafe/jpeg.rkt
+index 9399aec..77606d8 100644
+--- a/collects/racket/draw/unsafe/jpeg.rkt
++++ b/collects/racket/draw/unsafe/jpeg.rkt
+@@ -100,20 +100,24 @@
+ (unless (member JPEG_LIB_VERSION '(62 64 70 80))
+   (error 'jpeg "unsupported library version: ~e" JPEG_LIB_VERSION))
+ 
+-(define _scaled_size
+-  (case JPEG_LIB_VERSION
+-    [(62 64) _int]
+-    [else (make-cstruct-type (list _int _int))]))
+-
+-(define _prog_scan_size
+-  (case JPEG_LIB_VERSION
+-    [(62 64 70) (make-cstruct-type (list _int _int _int _int))]
+-    [else (make-cstruct-type (list _int _int _int _int _int _pointer _int))]))
+-
+-(define _comp_info_size
+-  (case JPEG_LIB_VERSION
+-    [(62 64 70) _pointer]
+-    [else (make-cstruct-type (list _pointer _jbool))]))
++(define-syntax-rule (cstruct-type/version elem ...)
++  (make-cstruct-type (flatten-type (list (cstruct-type/version-elem elem) ...))))
++
++(define-syntax cstruct-type/version-elem
++  (syntax-rules (unquote)
++    [(_ (unquote ([vers (elem ...)] ...)))
++     (case JPEG_LIB_VERSION
++       [vers (list (cstruct-type/version-elem elem) ...)]
++       ...)]
++    [(_ [name type]) type]))
++
++(define (flatten-type l)
++  (cond
++   [(null? l) null]
++   [(list? (car l))
++    (append (flatten-type (car l)) (flatten-type (cdr l)))]
++   [else
++    (cons (car l) (flatten-type (cdr l)))]))
+ 
+ (define-cstruct _jpeg_decompress_struct ([err _jpeg_error_mgr-pointer]
+                                          [mem _jpeg_memory_mgr-pointer]
+@@ -150,7 +154,7 @@
+                                          [enable_2pass_quant _jbool]
+ 
+                                          [output_width _JDIMENSION]
+-                                         [output_height _JDIMENSION]
++                                         [output_height _JDIMENSION] ; <-
+                                          [out_color_components _int]
+                                          [output_components _int]
+                                          [rec_outbuf_height _int]
+@@ -158,21 +162,230 @@
+                                          [actual_number_of_colors _int]
+                                          [colormap _pointer]
+ 
+-                                         [output_scanline _JDIMENSION]
++                                         ;; We don't need to refer to any of the remaining
++                                         ;; fields, and the specific set of fields depends
++                                         ;; on the version
++                                         [rest
++                                          (cstruct-type/version
++                                           [output_scanline _JDIMENSION]
++
++                                           [input_scan_number _int]
++                                           [input_iMCU_row _JDIMENSION]
++
++                                           [output_scan_number _int]
++                                           [output_iMCU_row _JDIMENSION]
++                                           
++                                           [coef_bits _pointer]
++                                           
++                                           [quant_tbl_ptrs_1 _pointer]
++                                           [quant_tbl_ptrs_2 _pointer]
++                                           [quant_tbl_ptrs_3 _pointer]
++                                           [quant_tbl_ptrs_4 _pointer]
++                                           
++                                           [dc_huff_tbl_ptrs_1 _pointer]
++                                           [dc_huff_tbl_ptrs_2 _pointer]
++                                           [dc_huff_tbl_ptrs_3 _pointer]
++                                           [dc_huff_tbl_ptrs_4 _pointer]
++                                           [ac_huff_tbl_ptrs_1 _pointer]
++                                           [ac_huff_tbl_ptrs_2 _pointer]
++                                           [ac_huff_tbl_ptrs_3 _pointer]
++                                           [ac_huff_tbl_ptrs_4 _pointer]
++
++                                           [data_precision _int]
++
++                                           [comp_info _pointer]
++
++                                           ,([(62 64 70) ()]
++                                             [else ([is_baseline _jbool])])
++                                           [progressive_mode _jbool]
++                                           [arith_code _jbool]
++
++                                           [arith_dc_L_1 _uint8]
++                                           [arith_dc_L_2 _uint8]
++                                           [arith_dc_L_3 _uint8]
++                                           [arith_dc_L_4 _uint8]
++                                           [arith_dc_L_5 _uint8]
++                                           [arith_dc_L_6 _uint8]
++                                           [arith_dc_L_7 _uint8]
++                                           [arith_dc_L_8 _uint8]
++                                           [arith_dc_L_9 _uint8]
++                                           [arith_dc_L_10 _uint8]
++                                           [arith_dc_L_11 _uint8]
++                                           [arith_dc_L_12 _uint8]
++                                           [arith_dc_L_13 _uint8]
++                                           [arith_dc_L_14 _uint8]
++                                           [arith_dc_L_15 _uint8]
++                                           [arith_dc_L_16 _uint8]
++
++                                           [arith_dc_U_1 _uint8]
++                                           [arith_dc_U_2 _uint8]
++                                           [arith_dc_U_3 _uint8]
++                                           [arith_dc_U_4 _uint8]
++                                           [arith_dc_U_5 _uint8]
++                                           [arith_dc_U_6 _uint8]
++                                           [arith_dc_U_7 _uint8]
++                                           [arith_dc_U_8 _uint8]
++                                           [arith_dc_U_9 _uint8]
++                                           [arith_dc_U_10 _uint8]
++                                           [arith_dc_U_11 _uint8]
++                                           [arith_dc_U_12 _uint8]
++                                           [arith_dc_U_13 _uint8]
++                                           [arith_dc_U_14 _uint8]
++                                           [arith_dc_U_15 _uint8]
++                                           [arith_dc_U_16 _uint8]
++
++                                           [arith_dc_K_1 _uint8]
++                                           [arith_dc_K_2 _uint8]
++                                           [arith_dc_K_3 _uint8]
++                                           [arith_dc_K_4 _uint8]
++                                           [arith_dc_K_5 _uint8]
++                                           [arith_dc_K_6 _uint8]
++                                           [arith_dc_K_7 _uint8]
++                                           [arith_dc_K_8 _uint8]
++                                           [arith_dc_K_9 _uint8]
++                                           [arith_dc_K_10 _uint8]
++                                           [arith_dc_K_11 _uint8]
++                                           [arith_dc_K_12 _uint8]
++                                           [arith_dc_K_13 _uint8]
++                                           [arith_dc_K_14 _uint8]
++                                           [arith_dc_K_15 _uint8]
++                                           [arith_dc_K_16 _uint8]
++
++                                           [restart_interval _uint]
++
++                                           [saw_JFIF_marker _jbool]
++                                           [JFIF_major_version _uint8]
++                                           [JFIF_minor_version _uint8]
++                                           [density_unit _uint8]
++                                           [X_density _uint16]
++                                           [Y_density _uint16]
++                                           [saw_Adobe_marker _jbool]
++                                           [Adobe_transform _uint8]
++
++                                           [CCIR601_sampling _jbool]
++
++                                           [marker_list _pointer]
++
++                                           [max_h_samp_factor _int]
++                                           [max_v_samp_factor _int]
++
++                                           ,([(62 64) ([min_DCT_scaled_size _int])]
++                                             [else ([min_DCT_h_scaled_size _int]
++                                                    [min_DCT_v_scaled_size _int])])
++
++                                           [total_iMCU_rows _JDIMENSION]
++                                           [sample_range_limit _pointer]
++
++                                           [comps_in_scan _int]
++
++                                           [cur_comp_info_1 _pointer]
++                                           [cur_comp_info_2 _pointer]
++                                           [cur_comp_info_3 _pointer]
++                                           [cur_comp_info_4 _pointer]
++
++                                           [MCUs_per_row _JDIMENSION]
++                                           [MCU_rows_in_scan _JDIMENSION]
++
++                                           [blocks_in_MCU _int]
++                                           
++                                           [MCU_membership_1 _int]
++                                           [MCU_membership_2 _int]
++                                           [MCU_membership_3 _int]
++                                           [MCU_membership_4 _int]
++                                           [MCU_membership_5 _int]
++                                           [MCU_membership_6 _int]
++                                           [MCU_membership_7 _int]
++                                           [MCU_membership_8 _int]
++                                           [MCU_membership_9 _int]
++                                           [MCU_membership_10 _int]
++
++                                           [Ss _int]
++                                           [Se _int]
++                                           [Ah _int]
++                                           [Al _int]
++                                           
++                                           ,([(62 64 70) ()]
++                                             [else
++                                              ([block_size _int]
++                                               [natural_order _pointer]
++                                               [lim_Se _int])])
++
++                                           [unread_marker _int]
++
++                                           [master _pointer]
++                                           [main _pointer]
++                                           [coef _pointer]
++                                           [post _pointer]
++                                           [inputctl _pointer]
++                                           [marker _pointer]
++                                           [entropy _pointer]
++                                           [idct _pointer]
++                                           [upsample _pointer]
++                                           [cconvert _pointer]
++                                           [cquantize _pointer])]))
+ 
+-                                         [input_scan_number _int]
+-                                         [input_iMCU_row _JDIMENSION]
++(define _j_decompress_ptr _jpeg_decompress_struct-pointer)
+ 
+-                                         [output_scan_number _int]
+-                                         [output_iMCU_row _JDIMENSION]
++(define-cstruct _jpeg_source_mgr ([next_input_byte _pointer] ;; /* => next byte to read from buffer */
++                                  [bytes_in_buffer _size_t]  ;; /* # of bytes remaining in buffer */
++                                  [init_source (_fun _j_decompress_ptr -> _void)]
++                                  [fill_input_buffer (_fun _j_decompress_ptr -> _jbool)]
++                                  [skip_input_data (_fun _j_decompress_ptr _long -> _void)]
++                                  [resync_to_restart (_fun _j_decompress_ptr _int -> _jbool)]
++                                  [term_source (_fun _j_decompress_ptr -> _void)]
++                                  ;; extra fields specific to this binding:
++                                  [buffer _pointer]))
+ 
+-                                         [coef_bits _pointer]
++(define (jpeg_decompress_struct-src m)
++  (ptr-cast (jpeg_decompress_struct-src* m) _jpeg_source_mgr-pointer))
++
++(define-cstruct _jpeg_compress_struct ([err _jpeg_error_mgr-pointer]
++                                       [mem _jpeg_memory_mgr-pointer]
++                                       [progress _pointer] ; _jpeg_progress_mgr_pointer
++                                       [client_data _pointer]
++                                       [is_decompressor _jbool]
++                                       [global_state _int]
++
++                                       [dest* _pointer] ; actually jpeg_destination_mgr-pointer
++
++                                       [image_width _JDIMENSION]
++                                       [image_height _JDIMENSION]
++                                       [input_components _int]
++                                       [in_color_space _J_COLOR_SPACE] ; <-
++  
++                                       [input_gamma _double]
++
++                                       ;; We don't need to refer to any of the remaining
++                                       ;; fields, and the specific set of fields depends
++                                       ;; on the version
++                                       [rest
++                                        (cstruct-type/version
++                                         ,([(62 64) ()]
++                                           [else
++                                            ([scale_num _uint]
++                                             [scale_denom _uint]
++                                             [jpeg_width _JDIMENSION]
++                                             [jpeg_height _JDIMENSION])])
++                                         
++                                         [data_precission _int]
++
++                                         [num_components _int]
++                                         [jpeg_color_space _J_COLOR_SPACE]
++
++                                         [comp_info _pointer]
+ 
+                                          [quant_tbl_ptrs_1 _pointer]
+                                          [quant_tbl_ptrs_2 _pointer]
+                                          [quant_tbl_ptrs_3 _pointer]
+                                          [quant_tbl_ptrs_4 _pointer]
+                                          
++                                         ,([(62 64) ()]
++                                           [else
++                                            ([q_scale_factor_1 _int]
++                                             [q_scale_factor_2 _int]
++                                             [q_scale_factor_3 _int]
++                                             [q_scale_factor_4 _int])])
++                                       
+                                          [dc_huff_tbl_ptrs_1 _pointer]
+                                          [dc_huff_tbl_ptrs_2 _pointer]
+                                          [dc_huff_tbl_ptrs_3 _pointer]
+@@ -182,13 +395,6 @@
+                                          [ac_huff_tbl_ptrs_3 _pointer]
+                                          [ac_huff_tbl_ptrs_4 _pointer]
+ 
+-                                         [data_precision _int]
+-
+-                                         [comp_info&is_baseline _comp_info_size]
+-
+-                                         [progressive_mode _jbool]
+-                                         [arith_code _jbool]
+-
+                                          [arith_dc_L_1 _uint8]
+                                          [arith_dc_L_2 _uint8]
+                                          [arith_dc_L_3 _uint8]
+@@ -239,40 +445,54 @@
+                                          [arith_dc_K_14 _uint8]
+                                          [arith_dc_K_15 _uint8]
+                                          [arith_dc_K_16 _uint8]
++                                         
++                                         [num_scans _int]
++                                         [scan_info _pointer]
+ 
+-                                         [restart_interval _uint]
++                                         [raw_data_in _jbool]
++                                         [arith_code _jbool]
++                                         [optimize_coding _jbool]
++                                         [CCIR601_sampling _jbool]
++                                         ,([(62 64) ()]
++                                           [else
++                                            ([do_fancy_downsampling _jbool])])
+ 
+-                                         [saw_JFIF_marker _jbool]
++                                         [smoothing_factor _int]
++                                         [dct_method _J_DCT_METHOD]
++
++                                         [restart_interval _uint]
++                                         [restart_in_rows _int]
++                                         
++                                         [write_JFIF_header _jbool]
+                                          [JFIF_major_version _uint8]
+                                          [JFIF_minor_version _uint8]
+                                          [density_unit _uint8]
+                                          [X_density _uint16]
+                                          [Y_density _uint16]
+-                                         [saw_Adobe_marker _jbool]
+-                                         [Adobe_transform _uint8]
+-
+-                                         [CCIR601_sampling _jbool]
+-
+-                                         [marker_list _pointer]
+-
++                                         [write_Adobe_marker _jbool]
++                                         
++                                         [next_scanline _JDIMENSION]
++                                         
++                                         [progressive_mode _jbool]
++                                         
+                                          [max_h_samp_factor _int]
+                                          [max_v_samp_factor _int]
+ 
+-                                         [min_DCT_scaled_size _scaled_size]
++                                         ,([(62 64) ()]
++                                           [else ([min_DCT_h_scaled_size _int]
++                                                  [min_DCT_v_scaled_size _int])])
+ 
+                                          [total_iMCU_rows _JDIMENSION]
+-                                         [sample_range_limit _pointer]
+ 
+                                          [comps_in_scan _int]
+-
+                                          [cur_comp_info_1 _pointer]
+                                          [cur_comp_info_2 _pointer]
+                                          [cur_comp_info_3 _pointer]
+                                          [cur_comp_info_4 _pointer]
+-
++                                       
+                                          [MCUs_per_row _JDIMENSION]
+                                          [MCU_rows_in_scan _JDIMENSION]
+-
++                                         
+                                          [blocks_in_MCU _int]
+                                          
+                                          [MCU_membership_1 _int]
+@@ -286,223 +506,28 @@
+                                          [MCU_membership_9 _int]
+                                          [MCU_membership_10 _int]
+ 
+-                                         [prog_scan _prog_scan_size] ; Ss, Se, Ah, Al
+-
+-                                         [unread_marker _int]
++                                         [Ss _int]
++                                         [Se _int]
++                                         [Ah _int]
++                                         [Al _int]
++                                         
++                                         ,([(62 64 70) ()]
++                                           [else
++                                            ([block_size _int]
++                                             [natural_order _pointer]
++                                             [lim_Se _int])])
+ 
+                                          [master _pointer]
+                                          [main _pointer]
++                                         [prep _pointer]
+                                          [coef _pointer]
+-                                         [post _pointer]
+-                                         [inputctl _pointer]
+                                          [marker _pointer]
+-                                         [entropy _pointer]
+-                                         [idct _pointer]
+-                                         [upsample _pointer]
+                                          [cconvert _pointer]
+-                                         [cquantize _pointer]))
+-
+-(define _j_decompress_ptr _jpeg_decompress_struct-pointer)
+-
+-(define-cstruct _jpeg_source_mgr ([next_input_byte _pointer] ;; /* => next byte to read from buffer */
+-                                  [bytes_in_buffer _size_t]  ;; /* # of bytes remaining in buffer */
+-                                  [init_source (_fun _j_decompress_ptr -> _void)]
+-                                  [fill_input_buffer (_fun _j_decompress_ptr -> _jbool)]
+-                                  [skip_input_data (_fun _j_decompress_ptr _long -> _void)]
+-                                  [resync_to_restart (_fun _j_decompress_ptr _int -> _jbool)]
+-                                  [term_source (_fun _j_decompress_ptr -> _void)]
+-                                  ;; extra fields specific to this binding:
+-                                  [buffer _pointer]))
+-
+-(define (jpeg_decompress_struct-src m)
+-  (ptr-cast (jpeg_decompress_struct-src* m) _jpeg_source_mgr-pointer))
+-
+-(define-cstruct _jpeg7_compression_params ([scale_num _uint]
+-					   [scale_denom _uint]
+-					   [jpeg_width _JDIMENSION]
+-					   [jpeg_height _JDIMENSION]
+-					   [data_precision _int]))
+-(define _compression_params_t
+-  (case JPEG_LIB_VERSION
+-    [(62 64) _int] ; just data_precission
+-    [else _jpeg7_compression_params]))
+-
+-(define-cstruct _quant_tbl_62_t ([quant_tbl_ptrs_1 _pointer]
+-				 [quant_tbl_ptrs_2 _pointer]
+-				 [quant_tbl_ptrs_3 _pointer]
+-				 [quant_tbl_ptrs_4 _pointer]))
+-(define-cstruct (_quant_tbl_70_t _quant_tbl_62_t) ([q_scale_factor_1 _int]
+-						   [q_scale_factor_2 _int]
+-						   [q_scale_factor_3 _int]
+-						   [q_scale_factor_4 _int]))
+-
+-(define _quant_tbl_t
+-  (case JPEG_LIB_VERSION
+-    [(62 64) _quant_tbl_62_t]
+-    [else _quant_tbl_70_t]))
+-
+-(define _sampling_t
+-  (case JPEG_LIB_VERSION
+-    [(62 64) _jbool] ; just CCIR601_sampling
+-    [else (make-cstruct-type (list _jbool _jbool))])) ; CCIR601_sampling and do_fancy_downsampling
+-
+-(define-cstruct _factors_62_t ([max_h_samp_factor _int]
+-			      [max_v_samp_factor _int]))
+-(define-cstruct (_factors_70_t _factors_62_t) ([scaled _scaled_size]))
+-(define _factors_t
+-  (case JPEG_LIB_VERSION
+-    [(62 64) _factors_62_t]
+-    [else _factors_70_t]))
+-
+-
+-(define-cstruct _jpeg_compress_struct ([err _jpeg_error_mgr-pointer]
+-                                       [mem _jpeg_memory_mgr-pointer]
+-                                       [progress _pointer] ; _jpeg_progress_mgr_pointer
+-                                       [client_data _pointer]
+-                                       [is_decompressor _jbool]
+-                                       [global_state _int]
+-
+-                                       [dest* _pointer] ; actually jpeg_destination_mgr-pointer
+-
+-                                       [image_width _JDIMENSION]
+-                                       [image_height _JDIMENSION]
+-                                       [input_components _int]
+-                                       [in_color_space _J_COLOR_SPACE]
+-  
+-                                       [input_gamma _double]
+-
+-				       [compression_params _compression_params_t]
+-
+-                                       [num_components _int]
+-                                       [jpeg_color_space _J_COLOR_SPACE]
+-
+-                                       [comp_info _pointer]
+-				       
+-				       [quant_tbl _quant_tbl_t]
+-                                       
+-                                       [dc_huff_tbl_ptrs_1 _pointer]
+-                                       [dc_huff_tbl_ptrs_2 _pointer]
+-                                       [dc_huff_tbl_ptrs_3 _pointer]
+-                                       [dc_huff_tbl_ptrs_4 _pointer]
+-                                       [ac_huff_tbl_ptrs_1 _pointer]
+-                                       [ac_huff_tbl_ptrs_2 _pointer]
+-                                       [ac_huff_tbl_ptrs_3 _pointer]
+-                                       [ac_huff_tbl_ptrs_4 _pointer]
+-
+-                                       [arith_dc_L_1 _uint8]
+-                                       [arith_dc_L_2 _uint8]
+-                                       [arith_dc_L_3 _uint8]
+-                                       [arith_dc_L_4 _uint8]
+-                                       [arith_dc_L_5 _uint8]
+-                                       [arith_dc_L_6 _uint8]
+-                                       [arith_dc_L_7 _uint8]
+-                                       [arith_dc_L_8 _uint8]
+-                                       [arith_dc_L_9 _uint8]
+-                                       [arith_dc_L_10 _uint8]
+-                                       [arith_dc_L_11 _uint8]
+-                                       [arith_dc_L_12 _uint8]
+-                                       [arith_dc_L_13 _uint8]
+-                                       [arith_dc_L_14 _uint8]
+-                                       [arith_dc_L_15 _uint8]
+-                                       [arith_dc_L_16 _uint8]
+-
+-                                       [arith_dc_U_1 _uint8]
+-                                       [arith_dc_U_2 _uint8]
+-                                       [arith_dc_U_3 _uint8]
+-                                       [arith_dc_U_4 _uint8]
+-                                       [arith_dc_U_5 _uint8]
+-                                       [arith_dc_U_6 _uint8]
+-                                       [arith_dc_U_7 _uint8]
+-                                       [arith_dc_U_8 _uint8]
+-                                       [arith_dc_U_9 _uint8]
+-                                       [arith_dc_U_10 _uint8]
+-                                       [arith_dc_U_11 _uint8]
+-                                       [arith_dc_U_12 _uint8]
+-                                       [arith_dc_U_13 _uint8]
+-                                       [arith_dc_U_14 _uint8]
+-                                       [arith_dc_U_15 _uint8]
+-                                       [arith_dc_U_16 _uint8]
+-
+-                                       [arith_dc_K_1 _uint8]
+-                                       [arith_dc_K_2 _uint8]
+-                                       [arith_dc_K_3 _uint8]
+-                                       [arith_dc_K_4 _uint8]
+-                                       [arith_dc_K_5 _uint8]
+-                                       [arith_dc_K_6 _uint8]
+-                                       [arith_dc_K_7 _uint8]
+-                                       [arith_dc_K_8 _uint8]
+-                                       [arith_dc_K_9 _uint8]
+-                                       [arith_dc_K_10 _uint8]
+-                                       [arith_dc_K_11 _uint8]
+-                                       [arith_dc_K_12 _uint8]
+-                                       [arith_dc_K_13 _uint8]
+-                                       [arith_dc_K_14 _uint8]
+-                                       [arith_dc_K_15 _uint8]
+-                                       [arith_dc_K_16 _uint8]
+-                                       
+-                                       [num_scans _int]
+-                                       [scan_info _pointer]
+-
+-                                       [raw_data_in _jbool]
+-                                       [arith_code _jbool]
+-                                       [optimize_coding _jbool]
+-				       [sampling _sampling_t]
+-                                       [smoothing_factor _int]
+-                                       [dct_method _J_DCT_METHOD]
+-
+-                                       [restart_interval _uint]
+-                                       [restart_in_rows _int]
+-                                       
+-                                       [write_JFIF_header _jbool]
+-                                       [JFIF_major_version _uint8]
+-                                       [JFIF_minor_version _uint8]
+-                                       [density_unit _uint8]
+-                                       [X_density _uint16]
+-                                       [Y_density _uint16]
+-                                       [write_Adobe_marker _jbool]
+-
+-                                       [next_scanline _JDIMENSION]
+-
+-                                       [progressive_mode _jbool]
+-				       [factors _factors_t]
+-
+-                                       [total_iMCU_rows _JDIMENSION]
+-
+-                                       [comps_in_scan _int]
+-                                       [cur_comp_info_1 _pointer]
+-                                       [cur_comp_info_2 _pointer]
+-                                       [cur_comp_info_3 _pointer]
+-                                       [cur_comp_info_4 _pointer]
+-                                       
+-                                       [MCUs_per_row _JDIMENSION]
+-                                       [MCU_rows_in_scan _JDIMENSION]
+-
+-                                       [blocks_in_MCU _int]
+-                                       
+-                                       [MCU_membership_1 _int]
+-                                       [MCU_membership_2 _int]
+-                                       [MCU_membership_3 _int]
+-                                       [MCU_membership_4 _int]
+-                                       [MCU_membership_5 _int]
+-                                       [MCU_membership_6 _int]
+-                                       [MCU_membership_7 _int]
+-                                       [MCU_membership_8 _int]
+-                                       [MCU_membership_9 _int]
+-                                       [MCU_membership_10 _int]
+-
+-                                       [prog_scan _prog_scan_size] ; Ss, Se, Ah, Al
+-
+-                                       [master _pointer]
+-                                       [main _pointer]
+-                                       [prep _pointer]
+-                                       [coef _pointer]
+-                                       [marker _pointer]
+-                                       [cconvert _pointer]
+-                                       [downsample _pointer]
+-                                       [fdct _pointer]
+-                                       [entropy _pointer]
+-                                       [script_space _pointer]
+-                                       [script_space_size _int]))
++                                         [downsample _pointer]
++                                         [fdct _pointer]
++                                         [entropy _pointer]
++                                         [script_space _pointer]
++                                         [script_space_size _int])]))
+ 
+ (define _j_compress_ptr _jpeg_compress_struct-pointer)
+ 
diff --git a/extra/racket/racket.install b/extra/racket/racket.install
new file mode 100644
index 000000000..660593cf5
--- /dev/null
+++ b/extra/racket/racket.install
@@ -0,0 +1,11 @@
+post_install() {
+    update-desktop-database -q
+}
+
+post_upgrade() {
+    post_install
+}
+
+post_remove() {
+    post_install
+}