There's a missing parenthesis at the script, with causes it to fail to detect non-Fedora releases (e. g. RHEL/CentOS). Tested with Centos 7.6.1810. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> --- scripts/sphinx-pre-install | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install index cbe3d2bb659d..c3e36b867be7 100755 --- a/scripts/sphinx-pre-install +++ b/scripts/sphinx-pre-install @@ -376,7 +376,7 @@ sub give_redhat_hints() # # Checks valid for RHEL/CentOS version 7.x. # - if (! $system_release =~ /Fedora/) { + if (!($system_release =~ /Fedora/)) { $map{"virtualenv"} = "python-virtualenv"; } -- 2.21.0