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Update Intel-compiler info and put in caveat about GCC 3.4.0.

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(Logical change 1.215)
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(none)!davidm 2004-04-23 01:32:43 +00:00
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@ -8,6 +8,16 @@ information yet, so its utility is limited. Similarly, the HP-UX/IPF
support is incomplete, though it is sufficient to do a basic support is incomplete, though it is sufficient to do a basic
backtrace. unw_resume() is not supported, however. backtrace. unw_resume() is not supported, however.
* Important GCC v3.4.0 Caveat
GCC v3.4.0 breaks C++ ABI compatibility and because of that, libunwind
cannot easily be used as the unwinder for GCC v3.4.0. The GCC
developers are aware of the problem [1] and the expectation is that
the problem will be fixed with GCC v3.4.1. In the meantime, it may be
best to avoid using GCC v3.4.0.
[1] http://gcc.gnu.org/ml/gcc/2004-04/msg00989.html
* General Build Instructions * General Build Instructions
In general, this library can be built and installed with the following In general, this library can be built and installed with the following
@ -30,7 +40,8 @@ testing, you may want to use a prefix of /usr/local instead.
To build libunwind with the Intel Electron compiler (ECC), it is To build libunwind with the Intel Electron compiler (ECC), it is
recommended to run configure like this: recommended to run configure like this:
$ ./configure CC=ecc CXX=ecc CCAS=gcc $ ./configure CC=ecc CXX=ecc CCAS=gcc CCASFLAGS=-g \
LDFLAGS="-L$PWD/src/.libs"
The reason for this is that ECC uses the Intel assembler, which The reason for this is that ECC uses the Intel assembler, which
doesn't grok some of the IA-64 assembly code in the "tests" directory. doesn't grok some of the IA-64 assembly code in the "tests" directory.
@ -50,6 +61,7 @@ should look like this:
$ ./configure CC=icc CFLAGS="-g -O3 -ip" CXX=icc CCAS=gcc CCASFLAGS=-g \ $ ./configure CC=icc CFLAGS="-g -O3 -ip" CXX=icc CCAS=gcc CCASFLAGS=-g \
LDFLAGS="-L$PWD/src/.libs" LDFLAGS="-L$PWD/src/.libs"
* Building on HP-UX * Building on HP-UX
For the time being, libunwind must be built with GCC on HP-UX. For the time being, libunwind must be built with GCC on HP-UX.