added grep toolchain build

build.sh

@@ -71,6 +71,9 @@ FINDUTILS_URL=https://mirror.ufs.ac.za/gnu/findutils/findutils-$FINDUTILS_VERSIO
 GAWK_VERSION=5.3.2
 GAWK_URL=https://mirror.ufs.ac.za/gnu/gawk/gawk-$GAWK_VERSION.tar.xz
 
+GREP_VERSION=3.12
+GREP_URL=https://mirror.ufs.ac.za/gnu/grep/grep-$GREP_VERSION.tar.xz
+
 if [ ! -d "$SYSROOT" ]; then
     mkdir -p "$SYSROOT"/{etc,cross,sources,usr,dev,proc,sys,run}
 	mkdir -p "$SYSROOT"/usr/{bin,sbin,lib,include}
@@ -390,6 +393,21 @@ toolchain_gawk() {
 	cd "$SOURCES" && rm -rf gawk-$GAWK_VERSION
 }
 
+toolchain_grep() {
+	fetch $GREP_URL
+
+	cd "$SOURCES" && tar xf grep-$GREP_VERSION.tar.xz && cd grep-$GREP_VERSION
+	
+	./configure \
+		--prefix=/usr \
+		--host=$TARGET \
+		--build=$(build-aux/config.guess)
+	
+	make && make DESTDIR="$SYSROOT" install 
+
+	cd "$SOURCES" && rm -rf grep-$GREP_VERSION
+}
+
 #bootstrap_binutils
 #bootstap_gcc
 #bootstap_linux
@@ -402,4 +420,5 @@ toolchain_gawk() {
 #toolchain_diffutils
 #toolchain_file
 #toolchain_findutils
-toolchain_gawk
+#toolchain_gawk
+toolchain_grep