Given following log snippets, their explanation, and nothing else, explain what failure, if any, occurred during build of this package.

  Snippets are in a format of [X] : [Y], where [X] is a log snippet, and [Y] is the explanation.

  Snippets are delimited with '================'.

  Drawing on information from all snippets, provide a concise explanation of the issue and recommend a solution.

  Explanation of the issue, and recommended solution, should take a handful of sentences.

  Snippets:

  [fgrep: warning: fgrep is obsolescent; using grep -F
checking for SHA256_Init in -lcrypto... yes
checking for json_loads in -ljansson... no
configure: error: "library jansson not found"
RPM build errors:
error: Bad exit status from /var/tmp/rpm-tmp.8vVNSV (%build)
    Bad exit status from /var/tmp/rpm-tmp.8vVNSV (%build)]: [This snippet show where configure script failed. ]

Issue: The build failed because configure script could not find jansson library. 
Resolution: Add jansson-devel as a build dependency.