cmake: fix installation rules (#1687)

CMakeLists.txt

 include(cmake/config.cmake)
 add_subdirectory(src)
 include(cmake/data.cmake)
+include(cmake/docs.cmake)
 
 include(cmake/package.cmake)
 include(CPack)
 message(STATUS "  klatt: ${USE_KLATT}")
 message(STATUS "  speech-player: ${USE_SPEECHPLAYER}")
 message(STATUS "  async: ${USE_ASYNC}")
+
+install(
+  DIRECTORY vim/ftdetect vim/syntax DESTINATION share/vim/vimfiles
+)

cmake/config.cmake

 else()
   set(USE_ASYNC OFF)
 endif()
+
+option(ESPEAK_COMPAT "Install compat binary symlinks" OFF)

cmake/docs.cmake

+find_program(RONN ronn)
+
+option(ESPEAK_BUILD_MANPAGES "Build manpages" ${RONN})
+
+if (RONN AND ESPEAK_BUILD_MANPAGES)
+    add_custom_command(
+        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/espeak-ng.1
+        COMMAND ${RONN} --roff -o ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src/espeak-ng.1.ronn
+    )
+    add_custom_command(
+        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/speak-ng.1
+        COMMAND ${RONN} --roff -o ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src/speak-ng.1.ronn
+    )
+
+    add_custom_target(
+        docs ALL
+        DEPENDS
+            ${CMAKE_CURRENT_BINARY_DIR}/espeak-ng.1
+            ${CMAKE_CURRENT_BINARY_DIR}/speak-ng.1
+    )
+
+    install(
+        FILES
+            ${CMAKE_CURRENT_BINARY_DIR}/espeak-ng.1
+            ${CMAKE_CURRENT_BINARY_DIR}/speak-ng.1
+        DESTINATION share/man/man1
+    )
+endif()

cmake/package.cmake

   /tools/
   /vim/
 )
+
+set(PACKAGE_NAME ${PROJECT_NAME})
+set(VERSION ${PROJECT_VERSION})
+
+set(prefix ${CMAKE_INSTALL_PREFIX})
+set(exec_prefix ${CMAKE_INSTALL_PREFIX})
+set(libdir "\${exec_prefix}/lib")
+set(includedir "\${prefix}/include")
+
+configure_file(
+  ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_NAME}.pc.in
+  ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc
+  @ONLY
+)
+
+install(
+  FILES ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc DESTINATION lib/pkgconfig
+)

src/CMakeLists.txt

 if (NOT WIN32)
   add_custom_target(
     speak-ng ALL
-    ${CMAKE_COMMAND} -E create_symlink espeak-ng ${CMAKE_CURRENT_BINARY_DIR}/speak-ng
-    COMMENT "Link espeak-ng to speak-ng"
+    COMMAND ${CMAKE_COMMAND} -E create_symlink espeak-ng ${CMAKE_CURRENT_BINARY_DIR}/speak-ng
+    COMMAND ${CMAKE_COMMAND} -E create_symlink espeak-ng ${CMAKE_CURRENT_BINARY_DIR}/espeak
+    COMMAND ${CMAKE_COMMAND} -E create_symlink espeak-ng ${CMAKE_CURRENT_BINARY_DIR}/speak
+    COMMENT "Link espeak-ng to compat names"
     DEPENDS espeak-ng-bin
   )
 endif()
 install(TARGETS espeak-ng-bin)
 install(DIRECTORY include/espeak include/espeak-ng TYPE INCLUDE)
+
+if (ESPEAK_COMPAT AND NOT WIN32)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/speak-ng DESTINATION bin)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/espeak DESTINATION bin)
+  install(FILES ${CMAKE_CURRENT_BINARY_DIR}/speak DESTINATION bin)
+endif()

src/libespeak-ng/CMakeLists.txt

   target_link_options(espeak-ng PRIVATE "-static-libstdc++" "-static")
 endif()
 
+set_target_properties(espeak-ng PROPERTIES
+  SOVERSION ${PROJECT_VERSION_MAJOR}
+  VERSION ${PROJECT_VERSION}
+)
+
 install(TARGETS espeak-ng LIBRARY)

src/speechPlayer/CMakeLists.txt

 if(NOT MSVC)
   target_compile_options(speechPlayer PRIVATE "-fPIC")
 endif()
-install(TARGETS speechPlayer ARCHIVE)

src/ucd-tools/CMakeLists.txt

   src/tostring.c
 )
 target_include_directories(ucd PUBLIC src/include)
-install(TARGETS ucd ARCHIVE)