From 22f32a046d801fc4f3fa1464f18f94e01dd96853 Mon Sep 17 00:00:00 2001
From: tamasmeszaros <meszaros.q@gmail.com>
Date: Thu, 10 Aug 2023 15:50:07 +0200
Subject: [PATCH] More fine-tunable multithreading of deps

---
 cmake/modules/AddCMakeProject.cmake | 9 +++++++--
 deps/+OCCT/OCCT.cmake               | 2 --
 deps/CMakeLists.txt                 | 4 +++-
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/cmake/modules/AddCMakeProject.cmake b/cmake/modules/AddCMakeProject.cmake
index eeb5c8a9e0..5f0033d54e 100644
--- a/cmake/modules/AddCMakeProject.cmake
+++ b/cmake/modules/AddCMakeProject.cmake
@@ -14,9 +14,14 @@ endif ()
 # The value of CMAKE_BUILD_TYPE will be used for building each dependency even if the 
 # generator is multi-config. Use this var to specify build type regardless of the generator. 
 function(add_cmake_project projectname)
-    cmake_parse_arguments(P_ARGS "" "INSTALL_DIR;BUILD_COMMAND;INSTALL_COMMAND;MAX_THREADS" "CMAKE_ARGS" ${ARGN})
+    cmake_parse_arguments(P_ARGS "" "INSTALL_DIR;BUILD_COMMAND;INSTALL_COMMAND" "CMAKE_ARGS" ${ARGN})
+
+    set(_pcount ${DEP_${projectname}_MAX_THREADS})
+
+    if (NOT _pcount)
+        set(_pcount ${DEP_MAX_THREADS})
+    endif ()
 
-    set(_pcount ${P_ARGS_MAX_THREADS})
     if (NOT _pcount)
         ProcessorCount(_pcount)
     endif ()
diff --git a/deps/+OCCT/OCCT.cmake b/deps/+OCCT/OCCT.cmake
index 0c004f6b2e..5b7743e581 100644
--- a/deps/+OCCT/OCCT.cmake
+++ b/deps/+OCCT/OCCT.cmake
@@ -1,6 +1,4 @@
 add_cmake_project(OCCT
-    MAX_THREADS 4 # Avoid extreme memory usage
-
     #LMBBS: changed version to 7.6.2
     URL https://github.com/Open-Cascade-SAS/OCCT/archive/refs/tags/V7_6_2.zip
     URL_HASH SHA256=c696b923593e8c18d059709717dbf155b3e72fdd283c8522047a790ec3a432c5
diff --git a/deps/CMakeLists.txt b/deps/CMakeLists.txt
index ad67542351..6fa8da7f27 100644
--- a/deps/CMakeLists.txt
+++ b/deps/CMakeLists.txt
@@ -213,14 +213,16 @@ if (DEP_DEBUG AND NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
   foreach (t ${_build_list})
     list(APPEND _build_list_dbg ${t}_debug)
   endforeach()
-  dep_message(STATUS "Building dep targets (Debug): ${_build_list_dbg}")
 
   file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/DebugBuild)
   execute_process(
     COMMAND ${CMAKE_COMMAND} ${CMAKE_CURRENT_SOURCE_DIR} -G${CMAKE_GENERATOR} -DCMAKE_BUILD_TYPE=Debug -DDEP_DOWNLOAD_DIR=${DEP_DOWNLOAD_DIR} -DDESTDIR=${DESTDIR} -DDEP_MESSAGES_WRITTEN=ON
     WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/DebugBuild 
+    OUTPUT_QUIET
   )
 
+  dep_message(STATUS "Building dep targets (Debug): ${_build_list_dbg}")
+
   # Can be used to build only the debug libs
   add_custom_target(deps_debug ALL)