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Few refinements taking into account Jeff Layton's notes

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1 parent 4662814 commit e87373f31b866bbab26dd2bb49ef3a7ea6e8a0ed @pearu pearu committed Oct 21, 2002
Showing with 10 additions and 7 deletions.
  1. +10 −7 INSTALL.txt
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17 INSTALL.txt
@@ -136,14 +136,17 @@ is OK.
IFC version 5.0 is not supported (because its bugs cause segfaults in
scipy tests).
-Minimum IFC flags for building LAPACK and LAPACK are
- -FI -w90 -w95 -cm -O3
-
-When finishing LAPACK build, you must recompile ?lamch.f without
-any optimization (otherwise infinite loops occur when using these
-routines):
+Minimum IFC flags for building LAPACK and ATLAS are
+ -FI -w90 -w95 -cm -O3 -unroll
+Also consult 'ifc -help' for additional optimization flags suitable
+for your computers CPU.
+
+When finishing LAPACK build, you must recompile ?lamch.f, xerbla.f
+with optimization disabled (otherwise infinite loops occur when using
+these routines):
+ make lapacklib
cd /path/to/src/LAPACK/SRC
- ifc -FI -w90 -w95 -cm -O0 -c ?lamch.f
+ ifc -FI -w90 -w95 -cm -O0 -c ?lamch.f xerbla.f
cd ..
make lapacklib

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