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From: Robert Riebisch <Robert DOT Riebisch AT arcor DOT de>
Newsgroups: comp.os.msdos.djgpp
Subject: GCC 4.3.2 doesn't find cc1.exe
Date: Sun, 05 Oct 2008 19:39:02 +0200
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To: djgpp AT delorie DOT com
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Hi!

To allow multiple GCC versions in one DJGPP installation, I usually
tweak GCC's installation a little. So far this worked fine for GCC
2.95.3, 3.3.2, 3.4.4, 4.1.2, and 4.2.3. Unfortunately this is no longer
true for GCC 4.3.2.

Here's an excerpt from my "installation script":
...
:: GNU GCC 3.4.4
unzip.exe -j -d %1\bin\gcc-3.4-4 %2\beta\v2gnu\gcc344b.zip bin/*
unzip.exe -d %1 %2\beta\v2gnu\gcc344b.zip lib/* libexec/*
:: GNU GCC 4.1.2
unzip.exe -j -d %1\bin\gcc-4.1-2 %2\beta\v2gnu\gcc412b.zip bin/*
unzip.exe -d %1 %2\beta\v2gnu\gcc412b.zip lib/* libexec/*
:: GNU GCC 4.2.3
unzip.exe -j -d %1\bin\gcc-4.2-3 %2\beta\v2gnu\gcc423b.zip bin/*
unzip.exe -d %1 %2\beta\v2gnu\gcc423b.zip lib/* libexec/*
:: GNU GCC 4.3.2
unzip.exe -j -d %1\bin\gcc-4.3-2 %2\beta\v2gnu\gcc432b.zip bin/*
unzip.exe -d %1 %2\beta\v2gnu\gcc432b.zip -x bin/*
...

Then I use a batch file to set PATH to
"c:\djgpp\bin\gcc-N.N-N;c:\djgpp\bin;%PATH%". Running "gcc example.c"
for GCC 4.3.2 gives me "gcc.exe: Internal error: (null) (program cc1)".

Here's a beautified output of "gcc --print-search-dirs" for GCC 4.2.3
and 4.3.2:
***
install: /dev/env/DJDIR/lib/gcc/djgpp/4.23/

programs: =
c:/djgpp/bin/gcc-4.2-3/../libexec/gcc/djgpp/4.23/
c:/djgpp/bin/gcc-4.2-3/../libexec/gcc/
c:/djgpp/libexec/gcc/djgpp/4.23/
c:/djgpp/libexec/gcc/djgpp/4.23/
c:/djgpp/libexec/gcc/djgpp/
c:/djgpp/lib/gcc/djgpp/4.23/
c:/djgpp/lib/gcc/djgpp/
c:/djgpp/bin/gcc-4.2-3/../lib/gcc/djgpp/4.23/../../../../djgpp/bin/djgpp/4.23/
c:/djgpp/bin/gcc-4.2-3/../lib/gcc/djgpp/4.23/../../../../djgpp/bin/
c:/djgpp/djgpp/bin/djgpp/4.23/
c:/djgpp/djgpp/bin/
c:/djgpp/bin/djgpp/4.23/
c:/djgpp/bin/
***

and:
***
install: c:/djgpp/bin/gcc-4.3-2/../lib/gcc/djgpp/4.32/

programs: =
c:/djgpp/bin/gcc-4.3-2/../libexec/gcc/djgpp/4.32/
c:/djgpp/bin/gcc-4.3-2/../libexec/gcc/
c:/djgpp/bin/gcc-4.3-2/../lib/gcc/djgpp/4.32/../../../../djgpp/bin/djgpp/4.32/
c:/djgpp/bin/gcc-4.3-2/../lib/gcc/djgpp/4.32/../../../../djgpp/bin/
c:/djgpp/bin/djgpp/4.32/
c:/djgpp/bin/
***

Notice the missing "c:/djgpp/libexec/" lines. Moving GCC binaries from
"bin/gcc-4.3-2/" to "bin/" solves the problem, of course, but that's
not, what I really want. ;-) I understand, that my setup might be weird,
but it's very convenient for multiple GCCs.

-- 
Robert Riebisch
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