rollup merge of #22147: dotdash/llvm_version

When trying to build against a newer, local LLVM version it might be
preferable to have a flag to disable the LLVM version check instead of
having to modify the configure script.

Fixes #21998

r? @alexcrichton
This commit is contained in:
Alex Crichton 2015-02-10 08:43:20 -08:00
commit 08cbb4a5af

3
configure vendored
View File

@ -525,6 +525,7 @@ opt verify-install 1 "verify installed binaries work"
opt dist-host-only 0 "only install bins for the host architecture"
opt inject-std-version 1 "inject the current compiler version of libstd into programs"
opt jemalloc 1 "build liballoc with jemalloc"
opt llvm-version-check 1 "don't check if the LLVM version is supported, build anyway"
valopt localstatedir "/var/lib" "local state directory"
valopt sysconfdir "/etc" "install system configuration files"
@ -796,7 +797,7 @@ then
putvar CFG_ENABLE_CLANG
fi
if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
if [ ! -z "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
then
step_msg "using custom LLVM at $CFG_LLVM_ROOT"