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1.{2,15} FREEBSD_NATIVE.
1.21 "GCC_OPTIONS".
1.{16,25,27} Cross-compiling issues.
1.38 Correct priority for GCC_EXEC_PREFIX.
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enum instead of passing literal 0. This fixes gcc invocations with
GCC_EXEC_PREFIX environment set.
Submitted By: Geoff Morrison
PR: gnu/53476
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(cross compiling issues).
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1.{2,15} FREEBSD_NATIVE.
1.21 "GCC_OPTIONS".
1.{16,25,27} Cross-compiling issues.
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1.{2,15} FREEBSD_NATIVE.
1.21 "GCC_OPTIONS".
1.{16,25,27} Cross-compiling issues.
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(cross compiling issues) into GCC 3.2.1 release.
Note revs 1.{5,13} (ELF and objformat support) are OBE with the a.out dike-out.
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now only produce ELF objects. It also makes us closer to stock GCC, and
simplifies the set of changes we still need from stock GCC on every import.
Applauded by: peter
Approved by: re
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1.\\{2,15\\} FREEBSD_NATIVE
1.\\{5,13\\} ELF, and objformat support
1.\\{16,23,25\\} Better cross building control
1.21 'GCC_OPTIONS'
1.27 cross-arch MD_EXEC_PREFIX fixes
cc -print-search-dir fixes
1.28 Read specs from /usr/libdata/gcc/specs, if available
Approved by: obrien
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1.\{2,15\} FREEBSD_NATIVE
1.\{5,13\} ELF, and objformat support
1.\{16,23,25\} Better cross building control
1.21 'GCC_OPTIONS'
1.27 cross-arch MD_EXEC_PREFIX fixes
cc -print-search-dir fixes
1.28 Read specs from /usr/libdata/gcc/specs,
if available
Approved by: obrien
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The change also makes the `cc -print-search-dirs' output
sane (the pre-3.1 way) in the non-cross case.
Draft reviewed by: obrien
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1.{16,23,25} (better cross building control); 1.21 ("GCC_OPTIONS")
into the GCC 3.1 prerelease.
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compiler.
* Undo the diking out of cross compiler logic from gcc.c rev 1.16.
* Add the `CROSS_STARTFILE_PREFIX' knob.
* Add our own definition of `STANDARD_INCLUDE_DIR'. This should have been
included in freebsd-native.h rev 1.5.
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1.16 (allow specification of TOOLS_PREFIX); 1.21 ("GCC_OPTIONS")
into GCC 3.1-snap.
Note that rev 1.20 was fixed in the stock GCC 3 sources.
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default options for GCC. These options are interpreted first and can be
overwritten by explicit command line parameters. This provides one way of
adding [temporary] options to your world build w/o editing /etc/make.conf.
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If one wishes to anchor the compiler toolchain tree somewhere other than /,
all one needs to do is set "TOOLS_PREFIX" to a different rooting.
Submitted by: marcel (in a different format and reworked by me)
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of changing the search dirs. This also removes an used search dir,
removes unneeded redundancy, and a bugus dir we enherited on the i386
by baseing off of svr4.h.
We went from:
install: /usr/libexec/(null)
programs: /usr/libexec/<OBJFORMAT>/:/usr/libexec/:/usr/bin/:/usr/libexec/
libraries: /usr/libdata/gcc/:/usr/libexec/:/usr/ccs/lib/:/usr/lib/
to:
install: /usr/libexec/(null)
programs: /usr/libexec/<OBJFORMAT>/:/usr/libexec/
libraries: /usr/libexec/:/usr/lib/
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* Don't conditional based on i386, but generalize to all FreeBSD arch's.
* Don't be a.out-centric, but generalize to handle other possible future
formats.
Submitted by: marcel (partial)
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Don't exclude directories that the linker is "known" to search (/lib
and /usr/lib) when deciding whether to pass certain paths to the
linker. Under FreeBSD, the linker is actually known to never search
/lib and to only search /usr/lib in the elf case. Not passing the
paths causes at best causes confusing differences for cross compiling.
This change is conditional on FREEBSD_NATIVE but should be absolute.
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into EGCS 1.1.2.
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Suggested by: jdp
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a.out gas and the binutils gas (elf or a.out) with a single compiler.
This uses other infrastructure not yet committed, in order to support
both a.out and elf it needs to be able to get to both a.out and elf
gas, ld, libs, crt* etc. So for now, the support is pretty much dormant.
The new freebsd.h file is based on the old freebsd-elf.h file (which has a
long lineage, right back through linux and svr4 files). The change is
pretty dramatic from a gcc internals standpoint as it overrides a lot of
definitions in order to generate different output based on target mode.
There is potential for screw-ups, so please be on the lookout - gcc's
configuration mechanism wasn't really meant for this kind of thing.
It's believed to compile world etc just fine under both a.out and elf, can
handle global constructors and destructors, handles the differences in
a.out and elf stabs, and what sections things like exceptions go in.
The initial idea came from i386/osfrose.h which is a dual rose/elf format
target. These two are not as diverse as a.out and elf it would seem.
The cc front-end uses external configuration to determine default object
format (still being thrashed out, so read the source if you want to see
it so far), and has a '-aout' and '-elf' override command line switch.
There are some other internal switches that can be accessed, namely -maout,
-mno-aout, -munderscores and -mnounderscores. The underscore and local
symbol prefixing rules are controllable seperately to the output format.
(ie: it's possible to generate a.out without the _ prefixes on symbols and
also to generate elf with the _ prefixes. This isn't quite optimal, but
does seem to work pretty well, except the linkers don't always recognise
the local symbols without their normal names)
The default format is a.out (still), nobody should see any major changes.
With both elf and a.out tools and libraries installed:
[1:26pm]/tmp-223> cc -elf -o hello hello.c
peter@beast[1:27pm]/tmp-224> file hello
hello: ELF 32-bit LSB executable, Intel 80386, version 1 (FreeBSD), dynamically linked, not stripped
[1:27pm]/tmp-225> ./hello
hello world!
[1:27pm]/tmp-226> cc -aout -o hello hello.c
[1:27pm]/tmp-227> file hello
hello: FreeBSD/i386 compact demand paged dynamically linked executable not stripped
1:27pm]/tmp-228> ./hello
hello world!
Since my co-conspirators put a lot of effort into this too, I'll add them
so they can share the blame^H^H^H^H^Hglory. :-)
Reviewed by: sos, jdp
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now that vfork() actually works in FreeBSD for the first time.
Spotted by: se
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gnu-style /usr/local/lib/gcc* layout), only search the paths that
exist for the modules (cc1, cc1plus , cc1obj etc)
Also, update an error message.
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non-i386, non-unix, and generatable files have been trimmed, but can easily
be added in later if needed.
gcc-2.7.2.1 will follow shortly, it's a very small delta to this and it's
handy to have both available for reference for such little cost.
The freebsd-specific changes will then be committed, and once the dust has
settled, the bmakefiles will be committed to use this code.
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