isEmpty(IDE_SOURCE_TREE): IDE_SOURCE_TREE = $$(QTC_SOURCE) isEmpty(IDE_SOURCE_TREE): error("You need to set the environment variable QTC_SOURCE to point to the directory where the Qt Creator sources are") isEmpty(IDE_BUILD_TREE): IDE_BUILD_TREE = $$(QTC_BUILD) isEmpty(IDE_BUILD_TREE): error("You need to set the environment variable QTC_BUILD to point to the directory where Qt Creator was built") TEMPLATE = subdirs SUBDIRS += plugins/fossil include($$IDE_SOURCE_TREE/qtcreator.pri) include(doc/doc.pri)