From: deal Date: Wed, 3 Nov 2004 20:11:49 +0000 (+0000) Subject: Work around a really stupid problem with icc7. X-Git-Tag: v8.0.0~14727 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cc342f79f162a81346e36b4921a30278e00f0bad;p=dealii.git Work around a really stupid problem with icc7. git-svn-id: https://svn.dealii.org/trunk@9745 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/lac/source/sparse_direct.cc b/deal.II/lac/source/sparse_direct.cc index 46b0d5f4cc..1611aa0bcc 100644 --- a/deal.II/lac/source/sparse_direct.cc +++ b/deal.II/lac/source/sparse_direct.cc @@ -22,6 +22,22 @@ #include #include + +// this is a weird hack: on newer linux systems, some system headers +// include /usr/include/linux/compiler.h which explicitly checks which +// gcc is in use. in that file is also a comment that explains that +// the check for gcc version also applies to icc since icc identifies +// itself as gcc via __GNUC__; if the gcc major version is not >=2, it +// aborts. +// +// now, only icc8 and later identify themselves as gcc, so older icc +// versions fail to compile this file on such systems. to avoid this +// failure, we allow icc to identify itself as gcc if it doesn't +// already do so by itself: +#if defined(__INTEL_COMPILER) && !defined(__GNUC__) +# define __GNUC__ 3 +#endif + #include #include #include