The following issue has been SUBMITTED. ====================================================================== http://www.cmake.org/Bug/view.php?id=15286 ====================================================================== Reported By: Jaak Ristioja Assigned To: ====================================================================== Project: CMake Issue ID: 15286 Category: CMake Reproducibility: always Severity: major Priority: normal Status: new ====================================================================== Date Submitted: 2014-12-05 08:57 EST Last Modified: 2014-12-05 08:57 EST ====================================================================== Summary: ExternalProject double build with parallel make and multiple targets Description: Given a project like this:
cmake_minimum_required(VERSION 2.8.12) project(bad NONE) include(ExternalProject) ExternalProject_Add(a DOWNLOAD_COMMAND sleep 1 CONFIGURE_COMMAND sleep 1 BUILD_COMMAND sleep 1 INSTALL_COMMAND date +%N | tee a) ExternalProject_Add(b DOWNLOAD_COMMAND sleep 1 CONFIGURE_COMMAND sleep 1 BUILD_COMMAND sleep 1 INSTALL_COMMAND touch b DEPENDS a) Running something like "make -j2 a b" causes target "a" to be built twice: [ 12%] [ 12%] Creating directories for 'a' Creating directories for 'a' [ 25%] [ 25%] Performing download step for 'a' Performing download step for 'a' [ 50%] [ 50%] [ 50%] [ 50%] No patch step for 'a' No update step for 'a' No update step for 'a' No patch step for 'a' [ 62%] [ 62%] Performing configure step for 'a' Performing configure step for 'a' [ 75%] [ 75%] Performing build step for 'a' Performing build step for 'a' [ 87%] [ 87%] Performing install step for 'a' Performing install step for 'a' 506615761 506738194 [100%] [100%] Completed 'a' Completed 'a' [100%] [100%] Built target a Built target a Creating directories for 'b' Performing download step for 'b' No patch step for 'b' No update step for 'b' Performing configure step for 'b' Performing build step for 'b' Performing install step for 'b' Completed 'b' Built target b Additional Information: Using CMake 2.8.12 and GNU make 4.0. This issue also seems to be have been reported in the mailing list: http://public.kitware.com/pipermail/cmake/2013-July/055214.html ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 2014-12-05 08:57 Jaak Ristioja New Issue ====================================================================== -- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake-developers