I have opened
http://sourceforge.net/tracker/?func=detail&aid=3427243&group_id=17203&atid=317203
with an alternative patch for solving the system compiler change on SL under
Xcode 4.2. The patch
uses...
diff -uNr fink-0.31.3/compiler_wrapper.in fink-0.31.3.new/compiler_wrapper.in
--- fink-0.31.3/compiler_wrapper.in 2010-01-09 18:47:01.000000000 -0500
+++ fink-0.31.3.new/compiler_wrapper.in 2011-10-22 11:43:14.000000000 -0400
@@ -11,6 +11,19 @@
done
IFS="$save_IFS"
export PATH="$newpath"
+# use Apple gcc-4.2 compilers on SL
+case `uname -r` in
+10.*)
+ case $compiler in
+ cc|gcc)
+ compiler="gcc-4.2"
+ ;;
+ c++|g++)
+ compiler="g++-4.2"
+ ;;
+ esac
+ ;;
+esac
exec $compiler -arch @ARCHITECTURE@ "$@"
# strip path-prefix to avoid finding this wrapper again
# @PREFIX@/bin is needed to pick up ccache-default
diff -uNr fink-0.31.3/perlmod/Fink/PkgVersion.pm
fink-0.31.3.new/perlmod/Fink/PkgVersion.pm
--- fink-0.31.3/perlmod/Fink/PkgVersion.pm 2011-09-12 10:22:37.000000000
-0400
+++ fink-0.31.3.new/perlmod/Fink/PkgVersion.pm 2011-10-22 11:04:44.000000000
-0400
@@ -4953,6 +4953,19 @@
done
IFS="\$save_IFS"
export PATH="\$newpath"
+# use Apple gcc-4.2 compilers on SL
+case `uname -r` in
+10.*)
+ case \$compiler in
+ cc|gcc)
+ compiler="gcc-4.2"
+ ;;
+ c++|g++)
+ compiler="g++-4.2"
+ ;;
+ esac
+ ;;
+esac
exec \$compiler "-arch" "$arch" "\$@"
EOF
close GPP;
to insure under SL that cc/gcc and c++/g++ always resolve to gcc-4.2 and
g++-4.2. This change has
to exist in both perlmod/Fink/PkgVersion.pm as well as compiler_wrapper.in
because setup.sh uses
the later to replace the copy first installed by PkgVersion.pm during the
bootstrap. Tested on
x86_64 10.6 fink against Xcode 4.2 with the llvm-gcc incompatible builds of
gmp5 and gcc46.
Once we fix this issue in fink, we also ought to start recommending Xcode
4.0 users update
to Xcode 4.2. There are a number of Xcode 4.0 bugs fixed in 4.2 including the
i386 ocaml build
problem.
Jack
ps Benchmarking shows that the additional code in the compiler_wrapper only
adds 1 msec to the
execution time and that using 'uname -r' is twice as fast as using sw_vers to
check the OS release.
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