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| -rw-r--r-- | doc/FAQ | 19 |
1 files changed, 18 insertions, 1 deletions
@@ -1,7 +1,7 @@ Cactus Code Frequently Asked Questions -$Header: /mnt/data2/cvs2svn/cvs-repositories/Cactus/doc/FAQ,v 1.44 2002-09-02 17:47:56 allen Exp $ +$Header: /mnt/data2/cvs2svn/cvs-repositories/Cactus/doc/FAQ,v 1.45 2002-09-08 14:05:33 allen Exp $ Also available at http://www.cactuscode.org/Documentation/FAQ @@ -126,6 +126,9 @@ C26 I'm passing arguments to my scheduled routine using CCTK_ARGUMENTS and C27 (Linux IA64) I get a segmentation violation compiling snprintf.c in the Cactus flesh? +C28 On linking I get an "unresolved text symbol" for a scheduled function + called from libCactusBindings.a + ------------------------------------------------------------------------------ Running: @@ -742,6 +745,20 @@ C27 (Linux IA64) I get a segmentation violation compiling snprintf.c in have indicated that -O1 actually executes faster than -O3, although this may be just for our particular benchmarks). +C28 On linking I get an "unresolved text symbol" for a scheduled function + called from libCactusBindings.a + + Check the size of the object file which was created for the source + file containing this function in configs/<config>/build/<thorn>. + With some compilers, making object files for complicated source files + can fail because it takes too much memory, and an empty object file + will be created and the make process will fail. If you continue the + make process Cactus will not realise that the object file is empty. + + If this is what happened, touch the relevant source file and try + compiling again. It may be that you will need to switch optimisations off + for this file, or split up the troublesome code into smaller components. + ------------------------------------------------------------------------------ Running: |