From: Martin Kronbichler Date: Mon, 14 Apr 2008 15:20:37 +0000 (+0000) Subject: Describe how to include the ATLAS version of BLAS. X-Git-Tag: v8.0.0~9219 X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ed5c8d09ddb6d058a58b2490451ec33ad0cfb915;p=dealii.git Describe how to include the ATLAS version of BLAS. git-svn-id: https://svn.dealii.org/trunk@15993 0785d39b-7218-0410-832d-ea1e28bc413d --- diff --git a/deal.II/doc/readme.html b/deal.II/doc/readme.html index 6908528214..0b8400480b 100644 --- a/deal.II/doc/readme.html +++ b/deal.II/doc/readme.html @@ -696,8 +696,8 @@ 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 + path of your linker, you have to tell the 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 @@ -709,7 +709,23 @@

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

+ paths.

+ +

Some versions of BLAS and LAPACK need additional libraries + to be linked with. Such an example is the + automatically tuned + linear algebra software (ATLAS). The BLAS version of this + package also needs declarations from libatlas.a, + so it must be included. Using the standard library names of + atlas, the include for BLAS reads +

+    ./configure --with-blas='f77blas -latlas'
+    
+ assuming that libf77blas.a and libatlas.a + or the respective shared libraries *.so are in your + LD_LIBRARY_PATH. LAPACK generated by ATLAS is + included in a similar fashion.

+
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