|From:||Brandon J. Van Every|
|Subject:||Re: [Chicken-users] optimization flags|
|Date:||Thu, 07 Sep 2006 09:56:10 -0700|
|User-agent:||Thunderbird 188.8.131.52 (Windows/20060719)|
John Cowan wrote:
Brandon J. Van Every scripsit:I'm only providing the flags for GCC builds. I'm not willing to assume that non-GCC compilers take GCC flags. If people have non-GCC, non-MSVC compilers, they can inform us, and we can add more flags. I might also set up an area at the top of CMakeLists.txt that's meant for people to add flags we don't know about.Fair enough.I found that -fomit-frame-pointer causes chicken-boot to crash when compiled with MinGW 3.4.5. So, I've turned it off for all MinGW compilers. No idea if it affects anything other than 3.4.5. You can see that there are testing issues. Cygwin built fine without complaint. Didn't actually test the end product though, as I relish the chance to blow up John Cowan's machine. :-)Ooops! VERY BAD PROBLEM. When built under CMake (but not when built under autotools), the chicken-setup.c file produces compiler errors from gcc. I'm using the autotools build for the present.
I take it you mean you're building on Cygwin? I can't duplicate this. Here's my full GCC command:
[ 64%] Building C object CMakeFiles/chicken-setup.dir/chicken-setup.o
/usr/bin/gcc.exe -I/cygdrive/e/devel/cygwin/chicken -I/cygdrive/e/devel/src/chi
cken -DHAVE_CHICKEN_CONFIG_H -Os -fno-strict-aliasing -Wall -Wno-unused -Wno-u
ninitialized -fomit-frame-pointer -DC_ENABLE_PTABLES -DPIC -DC_NO_PIC_NO_DLL -o
CMakeFiles/chicken-setup.dir/chicken-setup.o -c /cygdrive/e/devel/cygwin/chick
Linking C executable chicken-setup.exe
and here's my GCC version banner. What's yours?
$ gcc --version
gcc (GCC) 3.4.4 (cygming special) (gdc 0.12, using dmd 0.125)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Brandon Van Every
Diffing the two versions of chicken-setup.c show only two presumably trivial differences: some comments refer to /opt/chicken/darcs/chicken-setup.scm instead of just chicken-setup.scm, and the ptable declaration at line 22369 contains strings of the form "f_nnnn/opt/chicken/darcs/chicken-setup.scm" instead of "f_nnnnchicken-setup.scm". I've attached the chicken-config.h and chicken-defaults.h files from the CMake build.
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