[bug#60640] Gnu: Add gdcm

["Tor-björn Claesson" <tclaesson@gmail.com>]

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And here is a second patch adding documentation to gdcm 3.0.20

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From 9ec1adbf72f3b122a484fe449e3b950fcee4b221 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor-bj=C3=B6rn=20Claesson?= <tclaesson@gmail.com>
Date: Sat, 14 Jan 2023 19:03:39 +0200
Subject: [PATCH] gnu: gdcm: Add documentation.

---
 gnu/packages/bioinformatics.scm | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/gnu/packages/bioinformatics.scm b/gnu/packages/bioinformatics.scm
index 5b886526ad..aa54ec7ff7 100644
--- a/gnu/packages/bioinformatics.scm
+++ b/gnu/packages/bioinformatics.scm
@@ -93,6 +93,7 @@ (define-module (gnu packages bioinformatics)
   #:use-module (gnu packages gawk)
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages gd)
+  #:use-module (gnu packages ghostscript)
   #:use-module (gnu packages golang)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages graph)
@@ -17854,8 +17855,16 @@ (define-public gdcm
                (base32
                 "1w78cmm9q7aavs7svdkl4dgilcqk4yazci9m6x7icrssb7cj991i"))))
     (build-system cmake-build-system)
+    (outputs '("out" "doc"))
     (arguments
      (list
+      #:phases
+      #~(modify-phases %standard-phases
+          (add-before 'build 'set-HOME
+                 ;; The build spams ‘Fontconfig error: No writable cache
+                 ;; directories’ in a seemingly endless loop otherwise.
+                 (lambda _
+                   (setenv "HOME" "/tmp"))))
       #:configure-flags
       #~(list "-DGDCM_BUILD_TESTING=true"
               (string-append "-DCMAKE_CTEST_ARGUMENTS=-E;"
@@ -17863,7 +17872,13 @@ (define-public gdcm
                              "|TestElement2"
                              "|TestSCUValidation"
                              "|TestEcho"
-                             "|TestFind'"))))
+                             "|TestFind'")
+              "-DGDCM_DOCUMENTATION:BOOL=ON"
+              "-DGDCM_PDF_DOCUMENTATION:BOOL=ON"
+              (string-append "-DGDCM_INSTALL_DOC_DIR="
+                             #$output:doc "/share/doc/" #$name)
+              "-DGDCM_BUILD_DOCBOOK_MANPAGES:BOOL=OFF"))) ; TODO: need ‘xsl-ns’
+    (native-inputs (list doxygen ghostscript graphviz texlive))
     (home-page "https://gdcm.sourceforge.net/wiki/index.php/Main_Page")
     (synopsis "Grassroots DICOM library")
     (description
-- 
2.38.1


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Cheers,
Tor-björn Claesson