Toolchain: Useit.sh finish and added an install target for the libc's Makefile and a bit of ground work for a gcc port

Base/usr/include/.gitignore

@@ -0,0 +1,2 @@
+*
+!.git*

Base/usr/lib/.gitignore

@@ -0,0 +1,2 @@
+*
+!.git*

LibC/Makefile

@@ -77,3 +77,11 @@ $(LIBRARY): $(CPP_OBJS) $(ASM_OBJS)
 clean:
 	@echo "CLEAN"; rm -f $(LIBRARY) $(CPP_OBJS) $(ASM_OBJS) *.d
 
+install: $(LIBRARY)
+	# Copy headers
+	rsync -a --include '*/' --include '*.h' --exclude '*' . ../Base/usr/include
+	# Install the library
+	cp $(LIBRARY) ../Base/usr/lib
+    cp crt0.o ../Base/usr/lib/
+    cp crti.ao ../Base/usr/lib/crti.o
+    cp crtn.ao ../Base/usr/lib/crtn.o

Toolchain/BuildIt.sh

@@ -5,7 +5,7 @@ echo $DIR
 
 TARGET=i686-pc-serenity
 PREFIX="$DIR/Local"
-SYSROOT="$DIR/../Root"
+SYSROOT="$DIR/../Base"
 
 mkdir -p "$DIR/Tarballs"
 
@@ -70,5 +70,10 @@ pushd "$DIR/Build/"
 
         make -j $(nproc) all-gcc all-target-libgcc
         make install-gcc install-target-libgcc
+
+        make -c ../LibC/ install
+
+        make all-target-libstdc++-v3
+        make install-target-libstdc++-v3
     popd
 popd

Toolchain/UseIt.sh

@@ -1 +1,5 @@
-#!/bin/bash
+#!/bin/bash
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+export PATH="$DIR/Local/bin:$PATH"
+export TOOLCHAIN="$DIR"
+echo "$PATH"