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configure: change --only-gcc to --enable-clang to make clang opt-in

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This commit is contained in:
Brian Anderson 2011-11-03 12:01:31 -07:00
parent 9435459e89
commit 7c3616057d
1 changed files with 7 additions and 3 deletions
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10
configure vendored
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@ -249,7 +249,7 @@ opt valgrind 1 "run tests with valgrind"
opt docs 1 "build documentation"
opt optimize 1 "build optimized rust code"
opt mingw-cross 0 "cross-compile for win32 using mingw"
opt only-gcc 0 "prefer gcc to clang for building the runtime"
opt clang 0 "prefer gcc to clang for building the runtime"
valopt prefix "/usr/local" "set installation prefix"
valopt llvm-root "" "set LLVM root"
valopt target-triples "" "LLVM target triples (defaults to host if unset)"
@ -284,7 +284,7 @@ probe CFG_TEX tex
probe CFG_MAKENSIS makensis
probe CFG_NATURALDOCS naturaldocs
if [ -z "$CFG_CLANG" -a -z "$CFG_GCC" ]
if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
@ -351,8 +351,12 @@ case $CFG_LLVM_VERSION in
;;
esac
if [ ! -z "$CFG_CLANG" -a -z "$CFG_ONLY_GCC" ]
if [ ! -z "$CFG_ENABLE_CLANG" ]
then
if [ -z "$CFG_CLANG" ]
then
err "clang requested but not found"
fi
CFG_CLANG_VERSION=$("$CFG_CLANG" \
--version \
| grep version \