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90% of correct is simply not good enough. Some people will not be very happy
about the decision to kill the wrapper toolchain. Sorry, but a real toolchain
is the One True Way(tm).
-Erik
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The attached patch performs a clean up of
extra/gcc-uClibc/gcc-uClibc.c:
* Use NULL for pointers and '\0' for characters;
not the opposite...
* Fixed an (assumed) segv if --uclibc-cc was used.
* Skip the argument to -x so it isn't considered
to be a source file.
* Simplified the loop in xstrcat().
* A little white space clean up.
//Peter
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Hello,
Attached is a patch of some changes I made to the gcc wrapper to
get it to compile XFree CVS.
Basically it supports the use of '-' on the command line to read stdin
for gcc, as well as setting the file type back to none before adding the
last too .o files if the file type was set on the command line.
It is applied against uClibc-0.9.20
Regards,
nash
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(2) Add a command-line option --uclibc-cc with the same functionality.
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implement 'UCLIBC_CC', which does this:
$ UCLIBC_CC=gcc-2.95 /usr/i386-linux-uclibc/bin/i386-uclibc-gcc --version
2.95.4
$ UCLIBC_CC=gcc-3.3 /usr/i386-linux-uclibc/bin/i386-uclibc-gcc --version
gcc-3.3 (GCC) 3.3 (Debian)
Copyright (C) 2003 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.
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they move/disappear from the expected location.
-Erik
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the gcc wrapper when not building with shared library support.
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combination with and w/o both the nostdinc and nostdlib options.
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library, we need to disable adding start files (i.e. crt0) since
it isn't supposed to be creating an executable, just a shared lib.
-Erik
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configurable, so people who do not need or want ctor/dtor support
can disable it and make their binaries a little bit smaller.
-Erik
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since uclibc-0.9.16 I have to specify -fpic during _link_-time or else
I get an error from the dynamic linker when I load shared objects. Patch
is appended.
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been working on a new config system on and off for about 6 months
now, but I've never been fully satisfied. Well, I'm finally am
happy with the new config system, so here it is. This completely
removes the old uClibc configuration system, and replaces it with
an entirely new system based on LinuxKernelConf, from
http://www.xs4all.nl/~zippel/lc/
As it turns out, Linus has just merged LinuxKernelConf into Linux
2.5.45, so it looks like I made the right choice.
I have thus far updated only x86. I'll be updating the other
architectures shortly.
-Erik
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how uClibc handles _init and _fini, allowing shared lib constructors and
destructors to initialize things in the correct sequence. Stefan ported the SH
architecture. I then ported x86, arm, and mips. x86 and arm are working fine,
but I don't think I quite got things correct for mips.
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PIC code, and use crtbegin.o and crtend.o when compiling non-pic code. As was
caused problems, esp on powerpc...
-Erik
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the C++ compiler to to automagically add include/g++ into the include search
path, and automagically add -lstdc++ and -lm into the set of automatically
linked libraries.
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-Erik
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-Erik
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which could cause incorrect invocations of g++. Cleanup a few things.
Add a new --uclibc-ctors flag allowing one to apply ctor/dtor support
to regular C code.
-Erik
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-Erik
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like iproute2 and XFree86 from linking.
-Erik
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-Erik
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add a little bit to binary size...
-Erik
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add some fflush calls, since it seems streams are not flushed before
an exec
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suppress linking (right now, only `-M' does).
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losing all -Wl calls...
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-Erik
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-Erik
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support setting DEVEL_PREFIX and BUILD_DIR at runtime instead
of having to recompile the wrapper. Minor changes by me.
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(which was broken) yesterday. Revert that bit.
-Erik
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few tiny fixups here and there from me. Seems to work just fine and
will hopefully be a bit better behaved.
-Erik
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ENV variables only. The current behavior violates the principle of
least surprise...
-Erik
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else fails. Let <arch>-uclibc-gcc --uclibc-use-build-dir set the
shared lib loader to the one in the builddir's path.
-Erik
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those behaviors can be invoked from the command line.
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TARGET_PREFIX to allow more flexibility. Also modified the gcc wrapper
to do the right thing if -Wl,--dynamic-linker,xxx is passed on the command
line. The gcc wrapper will also check the env variable UCLIBC_GCC_LDOPT
for a dynamic linker option at runtime (although command line arg overrides
the env variable).
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To build with an uninstaled uClibc, set UCLIBC_GCC=build in your env,
or rename it/symlink to it using a name containing the string "build".
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those who want to should now be able to compile against uClibc without
installing it (using the "build" behavior).
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using BUILD_DIR and uClibc dynamic linker, use the one in the build dir.
If people want the "both dir" behavior, I'll enable it similar to the
"build" and "rpath" behaviors. See the comments in the file for how this
works.
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