Docs: Clean and simplify building scripts

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: I97fdd3ff765ebc0c74ddf34b621b524aaf55f38e
diff --git a/docs/CMakeLists.txt b/docs/CMakeLists.txt
index 02ee72f..352f415 100644
--- a/docs/CMakeLists.txt
+++ b/docs/CMakeLists.txt
@@ -11,21 +11,13 @@
 
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)
 
-find_package(Python3)
 find_package(Sphinx)
-
-# suppress warnings on mismatched names in PythonModules
-set(FPHSA_NAME_MISMATCHED True)
-find_package(PythonModules COMPONENTS m2r2 sphinx-rtd-theme sphinxcontrib.plantuml)
-find_package(PlantUML)
 find_package(Doxygen 1.8.0)
 find_package(LATEX COMPONENTS PDFLATEX)
 
 ################################## ENV #########################################
 
-include(../cmake/version.cmake)
-
-project("Trusted Firmware M. Documentation" VERSION ${TFM_VERSION} LANGUAGES)
+project("Trusted Firmware M. Documentation" LANGUAGES)
 
 set(SPHINXCFG_SOURCE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
 set(SPHINXCFG_CONFIG_PATH ${CMAKE_CURRENT_SOURCE_DIR})
@@ -39,70 +31,60 @@
 
 ################################## SPHINX ######################################
 
-if (SPHINX_FOUND AND PLANTUML_FOUND AND PY_M2R2_FOUND AND PY_SPHINX-RTD-THEME_FOUND AND PY_SPHINXCONTRIB.PLANTUML)
+file(GLOB_RECURSE SPHINXCFG_DOC_FILES ${SPHINXCFG_SOURCE_PATH}/*.rst ${SPHINXCFG_SOURCE_PATH}/*.md)
 
-    file(GLOB_RECURSE SPHINXCFG_DOC_FILES ${SPHINXCFG_SOURCE_PATH}/*.rst)
+add_custom_target(tfm_docs_userguide_html ALL
+    COMMAND "${SPHINX_EXECUTABLE}" -W -b html -j auto -c ${SPHINXCFG_CONFIG_PATH} ${SPHINXCFG_SOURCE_PATH} "${SPHINXCFG_OUTPUT_PATH}/html"
+    WORKING_DIRECTORY ${SPHINXCFG_SOURCE_PATH}
+    DEPENDS ${SPHINXCFG_DOC_FILES}
+)
+add_dependencies(docs tfm_docs_userguide_html)
 
-    add_custom_target(tfm_docs_userguide_html ALL
-        COMMAND "${SPHINX_EXECUTABLE}" -W -b html -j auto -c ${SPHINXCFG_CONFIG_PATH} ${SPHINXCFG_SOURCE_PATH} "${SPHINXCFG_OUTPUT_PATH}/html"
-        WORKING_DIRECTORY ${SPHINXCFG_SOURCE_PATH}
-        DEPENDS ${SPHINXCFG_DOC_FILES}
-    )
-
-    add_dependencies(docs tfm_docs_userguide_html)
-
-    if (LATEX_PDFLATEX_FOUND)
-        add_custom_command(OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.tex"
-            OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/"
-            COMMAND "${SPHINX_EXECUTABLE}" -b latex "${SPHINX_TMP_DOC_DIR}" "${SPHINXCFG_OUTPUT_PATH}/latex"
-            WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-            DEPENDS tfm_docs_sphinx_cfg
-            DEPENDS ${SPHINXCFG_DOC_FILES}
-        )
-        add_custom_command(OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.pdf"
-            COMMAND ${PDFLATEX_COMPILER} TF-M.tex
-            COMMAND ${CMAKE_COMMAND} -E copy TF-M.tex ${SPHINXCFG_OUTPUT_PATH}/tf-m_user_guide.pdf
-            WORKING_DIRECTORY ${SPHINXCFG_OUTPUT_PATH}/latex/
-            DEPENDS "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.tex"
-        )
-        add_custom_target(tfm_docs_userguide_pdf
-            DEPENDS "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.pdf"
-        )
-        add_dependencies(docs tfm_docs_userguide_pdf)
-    endif()
-endif()
+add_custom_command(OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.tex"
+    OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/"
+    COMMAND "${SPHINX_EXECUTABLE}" -b latex "${SPHINXCFG_SOURCE_PATH}" "${SPHINXCFG_OUTPUT_PATH}/latex"
+    WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+    DEPENDS tfm_docs_sphinx_cfg
+    DEPENDS ${SPHINXCFG_DOC_FILES}
+)
+add_custom_command(OUTPUT "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.pdf"
+    COMMAND ${PDFLATEX_COMPILER} TF-M.tex
+    COMMAND ${CMAKE_COMMAND} -E copy TF-M.tex ${SPHINXCFG_OUTPUT_PATH}/tf-m_user_guide.pdf
+    WORKING_DIRECTORY ${SPHINXCFG_OUTPUT_PATH}/latex/
+    DEPENDS "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.tex"
+)
+add_custom_target(tfm_docs_userguide_pdf
+    DEPENDS "${SPHINXCFG_OUTPUT_PATH}/latex/TF-M.pdf"
+)
+add_dependencies(docs tfm_docs_userguide_pdf)
 
 ################################## DOXYGEN #####################################
 
-if (DOXYGEN_FOUND AND DOXYGEN_DOT_FOUND AND PLANTUML_FOUND)
+configure_file(${CMAKE_SOURCE_DIR}/doxygen/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
+file(GLOB_RECURSE DOXYCFG_DOC_FILES ${CMAKE_SOURCE_DIR}/*.c ${CMAKE_SOURCE_DIR}/*.h)
 
-    configure_file(${CMAKE_SOURCE_DIR}/doxygen/Doxyfile.in ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile @ONLY)
-    file(GLOB_RECURSE DOXYCFG_DOC_FILES ${CMAKE_SOURCE_DIR}/*.c ${CMAKE_SOURCE_DIR}/*.h)
+add_custom_command(OUTPUT ${DOXYCFG_OUTPUT_PATH}/html
+    OUTPUT ${DOXYCFG_OUTPUT_PATH}/latex
+    OUTPUT ${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf
+    COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    DEPENDS ${DOXYCFG_DOC_FILES}
+)
+add_custom_target(tfm_docs_refman_html ALL
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    DEPENDS ${DOXYCFG_OUTPUT_PATH}/html
+)
+add_dependencies(docs tfm_docs_refman_html)
 
-    add_custom_command(OUTPUT ${DOXYCFG_OUTPUT_PATH}/html
-        OUTPUT ${DOXYCFG_OUTPUT_PATH}/latex
-        OUTPUT ${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf
-        COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
-        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        DEPENDS ${DOXYCFG_DOC_FILES}
-    )
-    add_custom_target(tfm_docs_refman_html ALL
-        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-        DEPENDS ${DOXYCFG_OUTPUT_PATH}/html
-    )
-    add_dependencies(docs tfm_docs_refman_html)
+add_custom_command(OUTPUT "${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf"
+    COMMAND "${PDFLATEX_COMPILER} refman.tex"
+    COMMAND ${CMAKE_COMMAND} -E copy refman.tex ${DOXYCFG_OUTPUT_PATH}/tf-m_reference_manual.pdf
+    WORKING_DIRECTORY ${DOXYCFG_OUTPUT_PATH}/latex/
+    DEPENDS "${DOXYCFG_OUTPUT_PATH}/latex/refman.tex"
+)
+add_custom_target(tfm_docs_refman_pdf
+    DEPENDS ${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf
+    DEPENDS tfm_docs_refman_html
+)
+add_dependencies(docs tfm_docs_refman_pdf)
 
-    if (LATEX_PDFLATEX_FOUND)
-        add_custom_command(OUTPUT "${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf"
-            COMMAND "${PDFLATEX_COMPILER} refman.tex"
-            COMMAND ${CMAKE_COMMAND} -E copy refman.tex ${DOXYCFG_OUTPUT_PATH}/tf-m_reference_manual.pdf
-            WORKING_DIRECTORY ${DOXYCFG_OUTPUT_PATH}/latex/
-            DEPENDS "${DOXYCFG_OUTPUT_PATH}/latex/refman.tex"
-        )
-        add_custom_target(tfm_docs_refman_pdf
-            DEPENDS ${DOXYCFG_OUTPUT_PATH}/latex/refman.pdf
-            DEPENDS tfm_docs_refman_html
-        )
-        add_dependencies(docs tfm_docs_refman_pdf)
-    endif()
-endif()