Eliminated repipitions of CMake config file for Lyra (that were the source of the previous mistake) by introducing a variable LYRA_INSTALL_CONFIGDIR

Author: KOLANICH

CMakeLists.txt

@@ -59,14 +59,15 @@ target_include_directories(
 # Add an alias to public name.
 add_library( bfg::lyra ALIAS lyra )
 
+set(LYRA_INSTALL_CONFIGDIR "${CMAKE_INSTALL_DATADIR}/lyra/cmake")
 set(PkgConfigTemplatesDir "${CMAKE_CURRENT_SOURCE_DIR}/data/pkgconfig")
 
 ## Installation Code
 include(CMakePackageConfigHelpers)
 configure_package_config_file(
   ${PROJECT_SOURCE_DIR}/data/cmake/lyraConfig.cmake.in
   ${PROJECT_BINARY_DIR}/lyraConfig.cmake
-  INSTALL_DESTINATION ${CMAKE_INSTALL_DATADIR}/lyra/cmake
+  INSTALL_DESTINATION "${LYRA_INSTALL_CONFIGDIR}"
   )
 
 install(
@@ -78,7 +79,7 @@ install(
   EXPORT lyraTarget
   FILE  lyraTarget.cmake
   NAMESPACE bfg::
-  DESTINATION ${CMAKE_INSTALL_DATADIR}/lyra/cmake
+  DESTINATION "${LYRA_INSTALL_CONFIGDIR}"
   )
 
 install(
@@ -89,7 +90,7 @@ install(
 install(
   FILES
   ${PROJECT_BINARY_DIR}/lyraConfig.cmake
-  DESTINATION ${CMAKE_INSTALL_DATADIR}/lyra/cmake
+  DESTINATION "${LYRA_INSTALL_CONFIGDIR}"
   )
 
 set(PKG_CONFIG_FILE_NAME "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.pc")