From: Guido Kanschat Date: Thu, 4 Oct 2007 20:28:59 +0000 (+0000) Subject: more detailed BLAS installation X-Git-Tag: v8.0.0~9802 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=825b7b08ab2d50fe50beb21747cd46102403786a;p=dealii.git more detailed BLAS installation git-svn-id: https://svn.dealii.org/trunk@15267 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/doc/readme.html b/deal.II/doc/readme.html index 32bb88c4a4..c25e4202c3 100644 --- a/deal.II/doc/readme.html +++ b/deal.II/doc/readme.html @@ -666,14 +666,31 @@
BLAS, LAPACK
-
If --with-blas=blasname and/or + +

If --with-blas=blasname and/or --with-lapack=lapackname is given, provide wrappers around some of the BLAS and LAPACK functions, and link with the respective libraries. It will make sure that we link with the required FORTRAN libraries. If no argument is given to - --with-blas, then a BLAS library is searched for in - the default locations of your system, and similarly for LAPACK. -

+ --with-blas, then a BLAS library + libblas.a or libblas.so is searched for + in the default locations of your system, and similarly for LAPACK.

+ +

If your BLAS or LAPACK libraries are not in the standard search + path of your linker, you heve to linker where to find them. The + path is not given as an argument to + --with-blas. Rather, you set the variable + LDFLAGS accordingly or make sure that the path is in + your LD_LIBRARY_PATH or similar. For details, please + look up the documentation of your linker. An example configuration + for Linux is:

+
+    ./configure --with-blas=myblas LDFLAGS=-L/my/lib/
+    
+

This example will search for a library + libmyblas.a or libmyblas.so in the + directory /my/lib and elswhere in the system library + paths.

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