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cmake,bsd: Fix mandir to saner defaults. (#7417)

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closes #7239

The old behaviour was to set CMAKE_INSTALL_MANDIR to /usr/local/man
when MANPREFIX wasn't defined. This caused mismatching installation
paths when the installation prefix wasn't /usr/local.

This fix explicitely checks that the prefix is /usr/local to change
the value of CMAKE_INSTALL_MANDIR, and uses the default behaviour
otherwise, as /usr/local is the exception rather than the norm
(as per man hier(7)).
This commit is contained in:
Franklin Mathieu 2017-10-21 01:36:26 +01:00 committed by Justin M. Keyes
parent 7068370560
commit 3ce97879d0
1 changed files with 2 additions and 2 deletions
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4
cmake/InstallHelpers.cmake
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@ -2,8 +2,8 @@
if(CMAKE_SYSTEM_NAME MATCHES "BSD" AND NOT DEFINED CMAKE_INSTALL_MANDIR)
if(DEFINED ENV{MANPREFIX})
set(CMAKE_INSTALL_MANDIR "$ENV{MANPREFIX}/man")
else()
set(CMAKE_INSTALL_MANDIR "/usr/local/man")
elseif(CMAKE_INSTALL_PREFIX MATCHES "^/usr/local$")
set(CMAKE_INSTALL_MANDIR "man")
endif()
endif()