e2fsprogs-ext4sparse-native: compiles ext2simg.c using android-tools-native

Add a custom do_compile step to build the  ext2simg_android utility (ext2simg)
when building for the native class.
This can be used to generate ext* based sparse image

Signed-off-by: AshishKumar Mishra <emailaddress.ashish@gmail.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-devtools/e2fsprogs-ext4sparse/e2fsprogs-ext4sparse-native_1.47.4.bb

@@ -0,0 +1,32 @@
+SUMMARY = "Native ext sparse conversion utility from e2fsprogs"
+DESCRIPTION = "Builds only ext2simg for host-side ext* sparse image conversion"
+HOMEPAGE = "http://e2fsprogs.sourceforge.net/"
+LICENSE = "Apache-2.0"
+LIC_FILES_CHKSUM = "file://contrib/android/ext2simg.c;beginline=1;endline=14;md5=fc8a826484cc82548adeaad2579adfca"
+
+DEPENDS = "e2fsprogs-native android-tools-native"
+
+SRC_URI = "git://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git;branch=master;protocol=https"
+SRCREV = "ece89fac4603e400155b7bbf6326284f8511bca9"
+
+inherit native
+
+do_compile() {
+    bbnote "Compiling ext2simg.c with native toolchain"
+    # Source directory for ext2simg.c in the e2fsprogs tree
+    SRC_EXT2SIMG="${S}/contrib/android"
+
+    INCLUDES="-I${S}/lib -I${B}/lib -I${SRC_EXT2SIMG}/lib"
+
+    # STAGING_LIBDIR_NATIVE: where android-tools-native installed libsparse
+    LIBS="-L${B}/lib -L${RECIPE_SYSROOT_NATIVE}${libdir} -L${RECIPE_SYSROOT_NATIVE}${libdir}/android -lsparse -lext2fs -lz -lcom_err"
+
+    ${CC} ${CFLAGS} ${LDFLAGS} -o "${B}/ext2simg_android" "${SRC_EXT2SIMG}/ext2simg.c" ${INCLUDES} ${LIBS}
+    bbnote "ext2simg_android compilation finished"
+}
+
+do_install() {
+    install -d ${D}${bindir}
+    install -m 0755 ${B}/ext2simg_android ${D}${bindir}/ext2simg_android
+}
+