gnu: guile-aiscm: Update to 0.24.2.

* gnu/packages/machine-learning.scm (guile-aiscm): Update to 0.24.2.
[arguments]: Add configure flags for OpenCV modules; add build phase
'find-clearsilver; adjust phase 'use-llvm-config; add phase
'disable-broken-test.
[inputs]: Add clearsilver, libgc, opencv, and tensorflow; replace ffmpeg with
ffmpeg-4.
[native-inputs]: Add protobuf-c; replace clang-13 and llvm-13 with clang-11
and llvm-11, respectively.

gnu/packages/machine-learning.scm

@@ -295,19 +295,36 @@ training, HMM clustering, HMM mixtures.")
 (define-public guile-aiscm
   (package
     (name "guile-aiscm")
-    (version "0.23.1")
+    (version "0.24.2")
     (source (origin
               (method git-fetch)
               (uri (git-reference
                     (url "https://github.com/wedesoft/aiscm")
-                    (commit "c78b91edb7c17c6fbf3b294452f44e91d75e3c67")))
+                    (commit "2e16e38391bf1638f1dd9a1cf4b25a25f6626078")))
               (file-name (git-file-name name version))
               (sha256
                (base32
-                "09rdbcr8dinzijyx9h940ann91yjlbg0fangx365llhvy354n840"))))
+                "1gwqpzl6irpaszkpxaf5wliwq19280632hlgxs3ikjkfg8mkqql0"))))
     (build-system gnu-build-system)
     (arguments
      (list
+      #:configure-flags
+      #~(list (string-append "OPENCV_CFLAGS=-I" #$(this-package-input "opencv")
+                             "/include/opencv4")
+              (let ((modules
+                     (list "aruco" "barcode" "bgsegm" "bioinspired"
+                           "calib3d" "ccalib" "core" "datasets" "dnn"
+                           "dnn_objdetect" "dnn_superres" "dpm" "face"
+                           "features2d" "flann" "freetype" "fuzzy" "hdf"
+                           "hfs" "highgui" "img_hash" "imgcodecs" "imgproc"
+                           "intensity_transform" "line_descriptor" "mcc"
+                           "ml" "objdetect" "optflow" "phase_unwrapping"
+                           "photo" "plot" "quality" "rapid" "reg" "rgbd"
+                           "saliency" "shape" "stereo" "stitching"
+                           "structured_light" "superres" "surface_matching"
+                           "text" "tracking" "video" "videoio" "videostab"
+                           "wechat_qrcode" "ximgproc" "xobjdetect" "xphoto")))
+                (format #false "OPENCV_LIBS=~{-lopencv_~a~^ ~}" modules)))
       #:make-flags
       #~(list (string-append "GUILE_CACHE=" #$output "/lib/guile/3.0/site-ccache")
               (string-append "GUILE_EXT=" #$output "/lib/guile/3.0/extensions")
@@ -318,10 +335,23 @@ training, HMM clustering, HMM mixtures.")
            (lambda _
              (substitute* "doc/Makefile.am"
                (("\\$\\(DATE\\)") "1970-01-01"))))
+         (add-after 'unpack 'find-clearsilver
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "configure.ac"
+               (("/usr/local/include/ClearSilver")
+                (string-append (assoc-ref inputs "clearsilver")
+                               "/include/ClearSilver")))
+             (substitute* "aiscm/Makefile.am"
+               (("-lneo_utl" m)
+                (string-append m " -lstreamhtmlparser")))
+             (setenv "C_INCLUDE_PATH"
+                     (string-append (assoc-ref inputs "clearsilver")
+                                    "/include/ClearSilver:"
+                                    (or (getenv "C_INCLUDE_PATH") "")))))
          (add-after 'unpack 'use-llvm-config
            (lambda _
              (substitute* "m4/ax_llvmc.m4"
-               (("llvm-config-13") "llvm-config")
+               (("llvm-config-11") "llvm-config")
                ;; For some reason this library is not on the link list.
                (("(LLVM_LIBS=\"\\$\\(\\$ac_llvm_config_path --libs \\$1\\))\"" _ m)
                 (string-append m " -lLLVMMCJIT\"")))
@@ -329,10 +359,17 @@ training, HMM clustering, HMM mixtures.")
              ;; Because of this message:
              ;; symbol lookup error: ./.libs/libguile-aiscm-core.so: undefined symbol: LLVMInitializeX86TargetInfo
              ;; This probably needs to differ when building on architectures
-             ;; other than x86_64p
+             ;; other than x86_64.
              (substitute* "aiscm/Makefile.am"
                (("LLVM_LIBS\\)") "LLVM_LIBS) \
 -lLLVMX86AsmParser -lLLVMX86CodeGen -lLLVMX86Desc -lLLVMX86Info"))))
+         ;; This test fails because our version of tensorflow is too old
+         ;; to provide tf-string-length.
+         (add-after 'unpack 'disable-broken-test
+           (lambda _
+             (substitute* "tests/test_tensorflow.scm"
+               (("\\(test-eqv \"determine string length" m)
+                (string-append "#;" m)))))
          ;; Use Clang instead of GCC.
          (add-before 'configure 'prepare-build-environment
            (lambda _
@@ -341,10 +378,12 @@ training, HMM clustering, HMM mixtures.")
              (setenv "CC" "clang")
              (setenv "CXX" "clang++"))))))
     (inputs
-     (list ffmpeg
+     (list clearsilver
+           ffmpeg-4
            freeglut
            guile-3.0
            imagemagick
+           libgc
            libjpeg-turbo
            libomp
            libxi
@@ -354,12 +393,15 @@ training, HMM clustering, HMM mixtures.")
            libxv
            mesa
            mjpegtools
+           opencv
            pandoc
-           pulseaudio))
+           pulseaudio
+           tensorflow))
     (native-inputs
-     (list clang-13
-           llvm-13
+     (list clang-11
+           llvm-11
            pkg-config
+           protobuf-c
            autoconf
            automake
            gettext-minimal