I'm considering adjusting compiler preferences in base trunk for Xcode >= 3.2 as follows:
1) Add macports-clang-3.4 before macports-clang-3.3
2) Prefer macports-clang-* over other port-provided compilers
So in general, we prefer Xcode-provided compilers and then fall back on port-provided compilers in the order of clang, llvm-gcc-4.2, gcc-4.2.
Ports that don't work with any clang are blacklisting *clang*, so they'll skip the promoted macports-clang-* versions and still fall back on macports-llvm-gcc-4.2.
Thoughts?
Index: portconfigure.tcl
===================================================================
--- portconfigure.tcl (revision 118094)
+++ portconfigure.tcl (working copy)
@@ -431,16 +431,16 @@
} elseif {$xcodeversion eq "none" || $xcodeversion eq ""} {
return {cc}
} elseif {[vercmp $xcodeversion 5.0] >= 0} {
- return {clang macports-llvm-gcc-4.2 apple-gcc-4.2 macports-clang-3.3}
+ return {clang macports-clang-3.4 macports-clang-3.3 macports-llvm-gcc-4.2 apple-gcc-4.2}
} elseif {[vercmp $xcodeversion 4.3] >= 0} {
- return {clang llvm-gcc-4.2 apple-gcc-4.2 macports-clang-3.3}
+ return {clang llvm-gcc-4.2 macports-clang-3.4 macports-clang-3.3 apple-gcc-4.2}
} elseif {[vercmp $xcodeversion 4.0] >= 0} {
- return {llvm-gcc-4.2 clang gcc-4.2 macports-clang-3.3 apple-gcc-4.2}
+ return {llvm-gcc-4.2 clang gcc-4.2 macports-clang-3.4 macports-clang-3.3 apple-gcc-4.2}
} elseif {[vercmp $xcodeversion 3.2] >= 0} {
if {[string match *10.4u* ${configure.sdkroot}]} {
return {gcc-4.0}
} else {
- return {gcc-4.2 clang llvm-gcc-4.2 macports-clang-3.3 macports-llvm-gcc-4.2 apple-gcc-4.2 gcc-4.0}
+ return {gcc-4.2 clang llvm-gcc-4.2 macports-clang-3.4 macports-clang-3.3 macports-llvm-gcc-4.2 apple-gcc-4.2 gcc-4.0}
}
} elseif {[vercmp $xcodeversion 3.0] >= 0} {
return {gcc-4.2 apple-gcc-4.2 gcc-4.0 macports-clang-3.3}
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