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-rwxr-xr-xbuild-for-llvm-top.sh18
1 files changed, 14 insertions, 4 deletions
diff --git a/build-for-llvm-top.sh b/build-for-llvm-top.sh
index 2a68c79965..78e3ed87f0 100755
--- a/build-for-llvm-top.sh
+++ b/build-for-llvm-top.sh
@@ -9,9 +9,16 @@
# variables.
process_arguments "$@"
+# First, see if the build directory is there. If not, create it.
+build_dir="$LLVM_TOP/build.llvm"
+if test ! -d "$build_dir" ; then
+ mkdir -p "$build_dir"
+fi
+
# See if we have previously been configured by sensing the presence
# of the config.status scripts
-if test ! -x "config.status" ; then
+config_status="$build_dir/config.status"
+if test ! -f "$config_status" -o "$config_status" -ot "$0" ; then
# We must configure so build a list of configure options
config_options="--prefix=$PREFIX --with-llvmgccdir=$PREFIX"
if test "$OPTIMIZED" -eq 1 ; then
@@ -45,12 +52,15 @@ if test ! -x "config.status" ; then
config_options="$config_options --disable-threads"
fi
config_options="$config_options $OPTIONS_DASH $OPTIONS_DASH_DASH"
+ src_dir=`pwd`
+ cd "$build_dir"
msg 0 Configuring $module with:
- msg 0 " ./configure" $config_options
- $LLVM_TOP/llvm/configure $config_options || \
- die $? "Configuring llvm module failed"
+ msg 0 " $src_dir/configure" $config_options
+ $src_dir/configure $config_options || \
+ die $? "Configuring $module module failed"
else
msg 0 Module $module already configured, ignoring configure options.
+ cd "$build_dir"
fi
msg 0 Building $module with: