Unable to upgrade Imagemagick in REDHAT Linux RHEL5.10

[wsi.support]

We are trying to upgrade the below softwares in our Server:
- image magick : 6.2.8
- ghost script: 8.70
It has to be upgraded to the latest version
OS - REDHAT Linux RHEL 5.10 version

ImageMagick rpm is dependent on libwebp package. This package is not supported in Redhat environment.

$ sudo rpm -ivh ImageMagick-6.8.9-6.x86_64.rpm
error: Failed dependencies:
libwebp.so.4()(64bit) is needed by ImageMagick-6.8.9-6.x86_64
sudo rpm -ivh libwebp-0.3.1-3.fc20.x86_64.rpm
warning: libwebp-0.3.1-3.fc20.x86_64.rpm: Header V3 RSA/SHA256 signature: NOKEY, key ID 246110c1
error: Failed dependencies:
libc.so.6(GLIBC_2.14)(64bit) is needed by libwebp-0.3.1-3.fc20.x86_64
rpmlib(FileDigests) <= 4.6.0-1 is needed by libwebp-0.3.1-3.fc20.x86_64
rpmlib(PayloadIsXz) <= 5.2-1 is needed by libwebp-0.3.1-3.fc20.x86_64

Please advise.

[magick]

Try building from source. First install the development version of ImageMagick so it will download all the required delegate libraries. On our systems we use:

• yum install ImageMagick-devel libtool-ltdl-devel

Now build from source:

• wget http://www.imagemagick.org/download/ImageMagick.tar.gz
  tar xvf ImageMagick.tar.gz
  cd ImageMagick-6.8.9-6
  ./configure --enable-shared --with-modules --with-perl
  make
  make check
  make install

You'll find ImageMagick installed in the /usr/local folder.