Alan W. Irwin wrote:
On 2006-11-13 15:19-0500 Bill Hoffman wrote:
Alan W. Irwin wrote:
One of the PLplot developers has been maintaining a special DJGPP
build of
PLplot for some time, and I was wondering if it would be possible
for him to
use our existing CMake build system instead?
[...]If CMake is expected to work on DJGPP, what advice should I
pass on to him
about using CMake on DJGPP?
[...] On the other hand, if CMake is not expected to work on DJGPP,
it would be
nice to know that as well so we won't waste our time with that
combination.
I am not sure if this has been tried. However, with the right make I
would think that you could get this
work. For example I am using gmake with visual studio 8 cl and it
works fine. So, it all
depends on if there are odd things about the input to DJGPP.
It appears cmake cannot even build on DJGPP. I pass on this developer's
report of the problems he had with that build.
*************
The bootstrap script doesn't work. It makes a lot of assumptions about
filenames which aren't compatible with DJGPP~E namely it assumes you have
more than 8.3 characters. This falls down when the script tries to make
directories, which fail. Hand making the directories, you then get a fail
because it can't find the compiler, trying "cc" first, which causes
DJGPP's
bash to crash when it can't work. Getting rid of all other compilers, and
leaving the only option as gcc, I end up with:
Try: gcc
Line: gcc cmake_bootstrap_13401.test.c -o cmake_bootstrap_13401.test
---------- file -----------------------
------------------------------------------
h:/djgpp/lib/crt0.o(.data+0xc2):crt0.s: undefined reference to _main'
h:/djgpp/lib/libc.a(crt1.o)(.text+0x404):crt1.c: undefined reference to
_main'
collect2: ld returned 1 exit status
Test failed to compile
Exiting due to signal SIGSEGV
General Protection Fault at eip=0003852a
eax=fa816604 ebx=001947a4 ecx=00000000 edx=fa816604 esi=00000004
edi=00091860
ebp=001942c8 esp=00194298 program=H:\DJGPP\BIN\BASH.EXE
cs: sel=01a7 base=02990000 limit=001dffff
ds: sel=01af base=02990000 limit=001dffff
es: sel=01af base=02990000 limit=001dffff
fs: sel=017f base=0000ded0 limit=0000ffff
gs: sel=01bf base=00000000 limit=0010ffff
ss: sel=01af base=02990000 limit=001dffff
App stack: [00195a68..00095a68] Exceptn stack: [0009544c..0009350c]
Call frame traceback EIPs:
0x0003852a
0x00068b22
0x00068bb3
0x0001eac8
0x001a0960
After that, I tried boostrap --help, but it didn't work~E it just
tries to
rebuild the test file, and I end up with the same stack dump.
So it isn't looking easy at this stage.
*************
Unless someone here has some ideas, I think we will give up on CMake for
DJGPP.
Why would you need to build CMake with DJGPP? Can you not use the
windows binaries for cmake
to run the DJGPP compiler? For example, CMake can not be built by
watcom, but it can be used to build
projects that use the watcom compiler.
-Bill
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