------------------------------------------------------------ revno: 3685 committer: Anton Gladky <[email protected]> timestamp: Tue 2015-06-16 09:35:58 +0200 message: Add a second option to fix the compilation with CGAL on 14.04 modified: doc/sphinx/installation.rst
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=== modified file 'doc/sphinx/installation.rst' --- doc/sphinx/installation.rst 2015-06-12 06:02:43 +0000 +++ doc/sphinx/installation.rst 2015-06-16 07:35:58 +0000 @@ -135,20 +135,6 @@ distributions. Just copy&paste to the terminal. To perform commands you should have root privileges -.. warning:: If you have Ubuntu 14.04 Trusty, you need to install libqcgal-dev - from our `external PPA <https://launchpad.net/~yade-users/+archive/external/>`_. - Otherwise the following error occurs on AMD64 architectures:: - - terminate called after throwing an instance of 'CGAL::Assertion_exception' - what(): CGAL ERROR: assertion violation! - Expr: -CGAL_IA_MUL(-1.1, 10.1) != CGAL_IA_MUL(1.1, 10.1) - File: /usr/include/CGAL/Interval_nt.h - Line: 209 - Explanation: Wrong rounding: did you forget the -frounding-math option if you use GCC (or -fp-model strict for Intel)? - Aborted - - - * **Ubuntu**, **Debian** and their derivatives:: sudo apt-get install cmake git freeglut3-dev libloki-dev \ @@ -184,6 +170,22 @@ install the softwares listed above. Their names can differ from the names of Debian-packages. + +.. warning:: If you have Ubuntu 14.04 Trusty, you need to add -DCMAKE_CXX_FLAGS="-frounding-math" + during the configuration step of compilation (see below) or to install libqcgal-dev + from our `external PPA <https://launchpad.net/~yade-users/+archive/external/>`_. + Otherwise the following error occurs on AMD64 architectures:: + + terminate called after throwing an instance of 'CGAL::Assertion_exception' + what(): CGAL ERROR: assertion violation! + Expr: -CGAL_IA_MUL(-1.1, 10.1) != CGAL_IA_MUL(1.1, 10.1) + File: /usr/include/CGAL/Interval_nt.h + Line: 209 + Explanation: Wrong rounding: did you forget the -frounding-math option if you use GCC (or -fp-model strict for Intel)? + Aborted + + + Compilation ^^^^^^^^^^^
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