From fdb54ce7e7c4e8efbbcfd93c417ff71e70023ddc Mon Sep 17 00:00:00 2001
From: Jonathan Roelofs <jonathan@codesourcery.com>
Date: Wed, 5 Apr 2017 14:49:46 +0000
Subject: [PATCH] Respect CMAKE_INSTALL_MANDIR for sphinx generated manpages

This is a re-work of r297516, which was reverted in r297545.

https://reviews.llvm.org/D30906

llvm-svn: 299547
---
 cmake/modules/AddSphinxTarget.cmake | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/cmake/modules/AddSphinxTarget.cmake b/cmake/modules/AddSphinxTarget.cmake
index 3456b536e80..cfc7f38e9e7 100644
--- a/cmake/modules/AddSphinxTarget.cmake
+++ b/cmake/modules/AddSphinxTarget.cmake
@@ -48,10 +48,15 @@ function (add_sphinx_target builder project)
     # Handle installation
     if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
       if (builder STREQUAL man)
+        if (CMAKE_INSTALL_MANDIR)
+          set(INSTALL_MANDIR ${CMAKE_INSTALL_MANDIR}/)
+        else()
+          set(INSTALL_MANDIR share/man/)
+        endif()
         # FIXME: We might not ship all the tools that these man pages describe
         install(DIRECTORY "${SPHINX_BUILD_DIR}/" # Slash indicates contents of
                 COMPONENT "${project}-sphinx-man"
-                DESTINATION share/man/man1)
+                DESTINATION ${INSTALL_MANDIR}man1)
 
       elseif (builder STREQUAL html)
         string(TOUPPER "${project}" project_upper)