Add cmake build script for math library

math/gemmlowp/.gitignore

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+/gemmlowp

math/gemmlowp/CMakeLists.txt

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+# ##############################################################################
+# apps/math/gemmlowp/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_MATH_GEMMLOWP)
+
+  # ############################################################################
+  # Config and Fetch gemmlowp lib
+  # ############################################################################
+
+  set(GEMMLOWP_DIR ${CMAKE_CURRENT_LIST_DIR}/gemmlowp)
+
+  if(NOT EXISTS ${GEMMLOWP_DIR})
+    set(GEMMLOWP_URL
+        https://github.com/google/gemmlowp/archive/719139ce755a0f31cbf1c37f7f98adcc7fc9f425.zip
+    )
+    FetchContent_Declare(
+      gemmlowp_fetch
+      URL ${GEMMLOWP_URL} SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/gemmlowp
+          BINARY_DIR ${CMAKE_BINARY_DIR}/apps/math/gemmlowp/gemmlowp
+      DOWNLOAD_NO_PROGRESS true
+      TIMEOUT 30)
+
+    FetchContent_GetProperties(gemmlowp_fetch)
+
+    if(NOT gemmlowp_fetch_POPULATED)
+      FetchContent_Populate(gemmlowp_fetch)
+    endif()
+  endif()
+endif()

math/kissfft/.gitignore

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+/kissfft

math/kissfft/CMakeLists.txt

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+# ##############################################################################
+# apps/math/kissfft/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_MATH_KISSFFT)
+
+  # ############################################################################
+  # Config and Fetch kissfft lib
+  # ############################################################################
+
+  set(KISSFFT_DIR ${CMAKE_CURRENT_LIST_DIR}/kissfft)
+
+  if(NOT EXISTS ${KISSFFT_DIR})
+    set(KISSFFT_URL
+        https://github.com/mborgerding/kissfft/archive/refs/tags/v130.zip)
+    FetchContent_Declare(
+      kissfft_fetch
+      URL ${KISSFFT_URL} SOURCE_DIR ${KISSFFT_DIR} BINARY_DIR
+          ${CMAKE_BINARY_DIR}/apps/math/kissfft/kissfft
+      DOWNLOAD_NO_PROGRESS true
+      TIMEOUT 30)
+
+    FetchContent_GetProperties(kissfft_fetch)
+
+    if(NOT kissfft_fetch_POPULATED)
+      FetchContent_Populate(kissfft_fetch)
+
+      # Apply the patch after fetching the content
+      execute_process(
+        COMMAND ${CMAKE_COMMAND} -E echo "Applying patch to kissfft"
+        WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
+
+      execute_process(COMMAND patch -d ${KISSFFT_DIR} -p1 <
+                              ${CMAKE_CURRENT_LIST_DIR}/kissfft.patch)
+    endif()
+  endif()
+
+  # ############################################################################
+  # Sources
+  # ############################################################################
+
+  set(CSRCS ${KISSFFT_DIR}/kiss_fft.c ${KISSFFT_DIR}/tools/kiss_fftr.c)
+
+  # ############################################################################
+  # Include Directory
+  # ############################################################################
+
+  set(INCDIR ${CMAKE_CURRENT_LIST_DIR}/kissfft)
+
+  # ############################################################################
+  # Library Configuration
+  # ############################################################################
+
+  nuttx_add_library(kissfft STATIC)
+  target_sources(kissfft PRIVATE ${CSRCS})
+  target_include_directories(kissfft PUBLIC ${INCDIR})
+
+endif()

math/ruy/.gitignore

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+/ruy

math/ruy/CMakeLists.txt

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+# ##############################################################################
+# apps/math/ruy/CMakeLists.txt
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more contributor
+# license agreements.  See the NOTICE file distributed with this work for
+# additional information regarding copyright ownership.  The ASF licenses this
+# file to you under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+#
+# ##############################################################################
+
+if(CONFIG_MATH_RUY)
+
+  # ############################################################################
+  # Config and Fetch ruy lib
+  # ############################################################################
+
+  set(RUY_DIR ${CMAKE_CURRENT_LIST_DIR}/ruy)
+
+  if(NOT EXISTS ${RUY_DIR})
+    set(RUY_URL
+        https://github.com/google/ruy/archive/d37128311b445e758136b8602d1bbd2a755e115d.zip
+    )
+    FetchContent_Declare(
+      ruy_fetch
+      URL ${RUY_URL} SOURCE_DIR ${RUY_DIR} BINARY_DIR
+          ${CMAKE_BINARY_DIR}/apps/math/ruy/ruy
+      DOWNLOAD_NO_PROGRESS true
+      TIMEOUT 30)
+
+    FetchContent_GetProperties(ruy_fetch)
+
+    if(NOT ruy_fetch_POPULATED)
+      FetchContent_Populate(ruy_fetch)
+    endif()
+  endif()
+
+  # ############################################################################
+  # Include Directory
+  # ############################################################################
+
+  set(INCDIR ${CMAKE_CURRENT_LIST_DIR}/ruy)
+
+  # ############################################################################
+  # Library Configuration
+  # ############################################################################
+
+  nuttx_add_library(ruy STATIC)
+  target_include_directories(ruy PUBLIC ${INCDIR})
+
+endif()

system/flatbuffers/.gitignore

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+/flatbuffers

videoutils/openh264/.gitignore

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+openh264