gentoo-overlay/media-gfx/alembic/files/alembic-1.7.11-0001-Fix-to-find-boost-with-cmake-3.11.patch

From 2060f95c43685895f36269667c30acf7499b81b6 Mon Sep 17 00:00:00 2001
From: Bernd Waibel <waebbl@gmail.com>
Date: Sat, 15 Jun 2019 13:19:57 +0200
Subject: [PATCH 1/5] Fix to find boost with >=cmake-3.11

Cmake version 3.11 and later has a new syntax introduced, when
looking for boost libraries.
This patches adds this syntax if an appropriate cmake version is used.

Signed-off-by: Bernd Waibel <waebbl@gmail.com>
---
 cmake/AlembicBoost.cmake        | 10 +++++++++-
 python/PyAlembic/CMakeLists.txt |  8 ++++----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/cmake/AlembicBoost.cmake b/cmake/AlembicBoost.cmake
index 21b3515..db59157 100644
--- a/cmake/AlembicBoost.cmake
+++ b/cmake/AlembicBoost.cmake
@@ -79,7 +79,15 @@ IF (USE_PYALEMBIC AND APPLE)
 ENDIF()
 
 IF (USE_PYALEMBIC)
-    FIND_PACKAGE(Boost 1.42.0 COMPONENTS program_options python)
+    # cmake>=3.11 has a new syntax when searching for boost, which
+    # needs to add the python version.
+    # Hardcode the python version number, as PYTHON_VERSION_{MAJOR,MINOR}
+    # are not yet know in the configuration phase.
+    IF(CMAKE_MINOR_VERSION VERSION_GREATER 10)
+         FIND_PACKAGE(Boost 1.42.0 COMPONENTS program_options python27)
+    ELSE()
+         FIND_PACKAGE(Boost 1.42.0 COMPONENTS program_options python)
+    ENDIF()
 ELSE()
     FIND_PACKAGE(Boost 1.42.0 COMPONENTS program_options)
 ENDIF()
diff --git a/python/PyAlembic/CMakeLists.txt b/python/PyAlembic/CMakeLists.txt
index a3fdb31..af8dcb5 100644
--- a/python/PyAlembic/CMakeLists.txt
+++ b/python/PyAlembic/CMakeLists.txt
@@ -33,12 +33,12 @@
 ##
 ##-*****************************************************************************
 
-MESSAGE(STATUS "Boost_PYTHON_LIBRARY: ${Boost_PYTHON_LIBRARY}")
+MESSAGE(STATUS "Boost_PYTHON${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}_LIBRARY: ${Boost_PYTHON${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}_LIBRARY_RELEASE}")
 
 # set core libs
-IF (Boost_PYTHON_LIBRARY AND ALEMBIC_PYTHON_LIBRARY)
-    MESSAGE(STATUS "Found libboost_python: ${Boost_PYTHON_LIBRARY}")
-    SET(PLIBS ${ALEMBIC_PYTHON_LIBRARY} ${Boost_PYTHON_LIBRARY})
+IF (Boost_PYTHON${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}_LIBRARY_RELEASE AND ALEMBIC_PYTHON_LIBRARY)
+    MESSAGE(STATUS "Found libboost_python: ${Boost_PYTHON${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}_LIBRARY_RELEASE}")
+    SET(PLIBS ${ALEMBIC_PYTHON_LIBRARY} ${Boost_PYTHON${PYTHON_VERSION_MAJOR}${PYTHON_VERSION_MINOR}_LIBRARY_RELEASE})
 
     # lots of warnings coming from unused local typedefs inside boost python
     IF (NOT WINDOWS)
-- 
2.22.0