Cannot install 'png' package on RHEL 8.

General
1

I cannot get the package png to install on my RHEL 8.6 machine. I have install many other packages, but png cannot install. Here is my error:

trying URL 'https://mirror.las.iastate.edu/CRAN/src/contrib/png_0.1-7.tar.gz'
Content type 'application/x-gzip' length 24990 bytes (24 KB)

downloaded 24 KB

  • installing source package ‘png’ ...
    ** package ‘png’ successfully unpacked and MD5 sums checked
    ** using staged installation
    ** libs
    gcc -I"/opt/R/4.2.1/lib/R/include" -DNDEBUG -I/usr/local/include libpng-config --cflags -fpic -g -O2 -c read.c -o read.o
    /bin/sh: libpng-config: command not found
    read.c:3:10: fatal error: png.h: No such file or directory
    #include <png.h>
    ^~~~~~~
    compilation terminated.
    make: *** [/opt/R/4.2.1/lib/R/etc/Makeconf:168: read.o] Error 1
    ERROR: compilation failed for package ‘png’
  • removing ‘/opt/R/4.2.1/lib/R/library/png’

The downloaded source packages are in
‘/tmp/RtmpzVvMAL/downloaded_packages’
Updating HTML index of packages in '.Library'
Making 'packages.html' ... done
Installed: png
Warning message:
In install.packages(p[i]) :
installation of package ‘png’ had non-zero exit status

Any suggestions? It is likely I need to install an additional object library to RHEL.
Thanks,
Fritz

2

Yes you are missing a system library, I'm not an RHEL user so I'm not sure about the library name but you can try with this

yum install libpng-devel
3

Thank you. It worked!
Fritz

4

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