Revision: 77481
http://sourceforge.net/p/brlcad/code/77481
Author: starseeker
Date: 2020-10-18 14:08:58 +0000 (Sun, 18 Oct 2020)
Log Message:
-----------
It will be better if we can define this once at a toplevel and use it
throughout...
Modified Paths:
--------------
brlcad/branches/thirdparty_rework/src/superbuild/CMakeLists.txt
Modified: brlcad/branches/thirdparty_rework/src/superbuild/CMakeLists.txt
===================================================================
--- brlcad/branches/thirdparty_rework/src/superbuild/CMakeLists.txt
2020-10-18 08:09:08 UTC (rev 77480)
+++ brlcad/branches/thirdparty_rework/src/superbuild/CMakeLists.txt
2020-10-18 14:08:58 UTC (rev 77481)
@@ -55,11 +55,27 @@
# and mess up the results...
set(CMAKE_SYSTEM_IGNORE_PATH "${CMAKE_INSTALL_PREFIX}")
-
# We will build up a list of all include dirs coming from 3rd party
# projects, so we can include them with -isystem
unset(SYS_INCLUDE_PATTERNS CACHE)
+# For the individual builds to be done here, we need to target their installs
+# to locations in the CMAKE_BINARY_DIR, which is the only place we can be
+# assured of having write access. However, for multiconfig build systems, we
+# need to define per-config output targets so each individual config's build
+# won't stomp on the output from other configs. We also *don't* want to do
+# that for single config builds, where user expectation is that
+# CMAKE_BINARY_DIR is the root for such paths. The $<CONFIG> generator
+# expression lets us set up per-config paths, but as $<CONFIG> is ALSO defined
+# for non-multiconfig builds when CMAKE_BUILD_TYPE is set we need to define
+# $<CONFIG> based paths ONLY when we have CMAKE_CONFIGURATION_TYPES set
+# (which indicates a multiconfig generator is in use.)
+if (CMAKE_CONFIGURATION_TYPES)
+ set(CMAKE_BINARY_ROOT "${CMAKE_BINARY_DIR}/$<CONFIG>")
+else (CMAKE_CONFIGURATION_TYPES)
+ set(CMAKE_BINARY_ROOT "${CMAKE_BINARY_DIR}")
+endif (CMAKE_CONFIGURATION_TYPES)
+
#---------------------------------------------------------------------
# Define relative install locations and output directories. Don't set
# these if they have already been set by some other means (like a
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