Whe Sage builds, one usually sees something like this
zn_poly-0.9.p1/src/src/ks_support.c
Finished extraction
****************************************************
Host system
uname -a:
SunOS hawk 5.11 snv_111b i86pc i386 i86pc
****************************************************
****************************************************
CC Version
gcc -v
Using built-in specs.
Target: i386-pc-solaris2.11
Configured with: ../gcc-4.3.4/configure
--prefix=/usr/local/gcc-4.3.4-GNU-assembler-Sun-linker
--with-as=/usr/local/binutils-2.20/bin/as --with-ld=/usr/ccs/bin/ld
--with-gmp=/usr/local --with-mpfr=/usr/local
Thread model: posix
gcc version 4.3.4 (GCC)
****************************************************
All the details about how gcc was configured are shown.
However, if another compiler is used, one instead gets an error message like
this:
zn_poly-0.9.p1/src/src/ks_support.c
Finished extraction
****************************************************
Host system
uname -a:
SunOS hawk 5.11 snv_111b i86pc i386 i86pc
****************************************************
****************************************************
CC Version
/opt/sunstudio12.1/bin/cc -v
usage: cc [ options] files. Use 'cc -flags' for details
****************************************************
as -v does not do the same on all compilers
On Sun's C compiler, -V gives version number, whereas -v is a totally different
option.
Given there are now files SAGE_ROOT/local/bin/testcc.sh and
$SAGE_ROOT/local/bin/testcxx.h, it is possible to test the compiler and print
some useful information about it, rather than just an error.
Can anyone tell me what invokes this command?
dave
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