contrib/cross-build.sh: build capstone from source

tested with capstone 4.0.2, with the following options
CAPSTONE_CONFIG="CAPSTONE_ARCHS=arm,aarch64
                 CAPSTONE_BUILD_CORE_ONLY=yes
                 CAPSTONE_STATIC=yes
                 CAPSTONE_SHARED=no"

Change-Id: I40297772664e85c3d0f9358c85bfd901b5eba8b1
Signed-off-by: Tarek BOCHKATI <tarek.bouchkati@gmail.com>
Reviewed-on: http://openocd.zylin.com/5914
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>

contrib/cross-build.sh

@@ -14,8 +14,8 @@
 #    paths refer to the build file system.
 #
 # This script is probably more useful as a reference than as a complete build
-# tool but for some configurations it may be usable as-is. It only cross-
-# builds libusb-1.0, hidapi and libftdi from source, but the script can be
+# tool but for some configurations it may be usable as-is. It only cross-builds
+# libusb-1.0, hidapi, libftdi and capstone from source, but the script can be
 # extended to build other prerequisites in a similar manner.
 #
 # Usage:
@@ -39,17 +39,20 @@ WORK_DIR=$PWD
 : ${LIBUSB1_SRC:=/path/to/libusb1}
 : ${HIDAPI_SRC:=/path/to/hidapi}
 : ${LIBFTDI_SRC:=/path/to/libftdi}
+: ${CAPSTONE_SRC:=/path/to/capstone}
 
 OPENOCD_SRC=`readlink -m $OPENOCD_SRC`
 LIBUSB1_SRC=`readlink -m $LIBUSB1_SRC`
 HIDAPI_SRC=`readlink -m $HIDAPI_SRC`
 LIBFTDI_SRC=`readlink -m $LIBFTDI_SRC`
+CAPSTONE_SRC=`readlink -m $CAPSTONE_SRC`
 
 HOST_TRIPLET=$1
 BUILD_DIR=$WORK_DIR/$HOST_TRIPLET-build
 LIBUSB1_BUILD_DIR=$BUILD_DIR/libusb1
 HIDAPI_BUILD_DIR=$BUILD_DIR/hidapi
 LIBFTDI_BUILD_DIR=$BUILD_DIR/libftdi
+CAPSTONE_BUILD_DIR=$BUILD_DIR/capstone
 OPENOCD_BUILD_DIR=$BUILD_DIR/openocd
 
 ## Root of host file tree
@@ -129,6 +132,26 @@ if [ -d $LIBFTDI_SRC ] ; then
   make install DESTDIR=$SYSROOT
 fi
 
+# capstone build & install into sysroot
+if [ -d $CAPSTONE_SRC ] ; then
+  mkdir -p $CAPSTONE_BUILD_DIR
+  cd $CAPSTONE_BUILD_DIR
+  cp -r $CAPSTONE_SRC/* .
+  make install DESTDIR=$SYSROOT PREFIX=$PREFIX \
+    CROSS="${HOST_TRIPLET}-" \
+    $CAPSTONE_CONFIG
+  # fix the generated capstone.pc
+  CAPSTONE_PC_FILE=${SYSROOT}${PREFIX}/lib/pkgconfig/capstone.pc
+  sed -i '/^libdir=/d' $CAPSTONE_PC_FILE
+  sed -i '/^includedir=/d' $CAPSTONE_PC_FILE
+  sed -i '/^archive=/d' $CAPSTONE_PC_FILE
+  sed -i '1s;^;prefix=/usr \
+exec_prefix=${prefix} \
+libdir=${exec_prefix}/lib \
+includedir=${prefix}/include\n\n;' $CAPSTONE_PC_FILE
+fi
+
+
 # OpenOCD build & install into sysroot
 mkdir -p $OPENOCD_BUILD_DIR
 cd $OPENOCD_BUILD_DIR