From 0c84328f4549db8e00cac9a24fc7ea8d2997ae94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Se=CC=81rgio=20Agostinho?= <sergio.r.agostinho@gmail.com>
Date: Sun, 25 Feb 2018 14:55:07 +0000
Subject: [PATCH] Prevent search for disabled optional dependencies in targets.

---
 cmake/pcl_pclconfig.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/cmake/pcl_pclconfig.cmake b/cmake/pcl_pclconfig.cmake
index 60c16d7f157..777d049488b 100644
--- a/cmake/pcl_pclconfig.cmake
+++ b/cmake/pcl_pclconfig.cmake
@@ -37,7 +37,11 @@ foreach(_ss ${PCL_SUBSYSTEMS_MODULES})
         if(_opt_deps)
             set(PCLCONFIG_OPTIONAL_DEPENDENCIES "${PCLCONFIG_OPTIONAL_DEPENDENCIES}set(pcl_${_ss}_opt_dep ")
             foreach(_opt_dep ${_opt_deps})
-                set(PCLCONFIG_OPTIONAL_DEPENDENCIES "${PCLCONFIG_OPTIONAL_DEPENDENCIES}${_opt_dep} ")
+                string(TOUPPER "WITH_${_opt_dep}" _tmp)
+                string(REGEX REPLACE "-(.*)" "" _condition ${_tmp}) #libusb-1.0 case
+                if(${_condition})
+                  set(PCLCONFIG_OPTIONAL_DEPENDENCIES "${PCLCONFIG_OPTIONAL_DEPENDENCIES}${_opt_dep} ")
+                endif()
             endforeach(_opt_dep)
             set(PCLCONFIG_OPTIONAL_DEPENDENCIES "${PCLCONFIG_OPTIONAL_DEPENDENCIES})\n")
         endif(_opt_deps)