Improve cmake support. Add rpm generation

src/tools/CMakeLists.txt

@@ -1,42 +1,23 @@
 project(mdbx_tools)
 
-add_executable(mdbx_chk
-        mdbx_chk.c
+set(MDBX_TOOLS
+        mdbx_chk
+        mdbx_copy
+        mdbx_dump
+        mdbx_load
+        mdbx_stat
         )
 
-target_link_libraries(mdbx_chk
-        libmdbx
-        )
+foreach (D_FILE ${MDBX_TOOLS})
+    add_executable(${D_FILE}
+            ${D_FILE}.c
+            )
 
-add_executable(mdbx_copy
-        mdbx_copy.c
-        )
-
-target_link_libraries(mdbx_copy
-        libmdbx
-        )
-
-add_executable(mdbx_dump
-        mdbx_dump.c
-        )
-
-target_link_libraries(mdbx_dump
-        libmdbx
-        )
-
-
-add_executable(mdbx_load
-        mdbx_load.c
-        )
-
-target_link_libraries(mdbx_load
-        libmdbx
-        )
-
-add_executable(mdbx_stat
-        mdbx_stat.c
-        )
-
-target_link_libraries(mdbx_stat
-        libmdbx
-        )
+    target_link_libraries(${D_FILE}
+            mdbx
+            )
+    install(TARGETS ${D_FILE} DESTINATION ${CMAKE_INSTALL_PREFIX}/bin COMPONENT mdbx)
+    if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${D_FILE}.1)
+        install(FILES ${D_FILE}.1 DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man1 COMPONENT mdbx)
+    endif()
+endforeach ()