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+#
+# This file sets needed and optional environment variables for
+# Open CASCADE Technology
+#
+# See: https://dev.opencascade.org/doc/overview/html/index.html#OCCT_OVW_SECTION_4_2
+# for further documentation.
+#
+# Some of the values are set at compile time depending on what USE flags
+# were enabled. Those values are marked as such.
+
+# define the root directory of Open CASCADE Technology (needed)
+CASROOT=VAR_CASROOT
+PATH=VAR_CASROOT/lib/opencascade-VAR_PV/bin
+LDPATH=VAR_CASROOT/lib/opencascade-VAR_PV
+
+#############################################################################
+# The MMGT_* variables are used to determine how memory management will work
+# in OCCT. All of those are optional. If they are not set here, their default
+# values will be used.
+#
+# Uncomment or change the ones you need to adapt from its default.
+#############################################################################
+# MMGT_OPT = {0,1,2} (default: 0) set at compile time
+# if set to 0 (the default), every memory block is allocated in C
+# memory heap directly (via malloc() and free()). Will be set, if
+# neither the the 'optimize' nor the 'tbb' USE flags are set.
+# if set to 1, the memory manager performs it's own internal optimization.
+# Will be set, if the 'optimize' USE flag is set.
+# if set to 2, Intel(R) TBB optimized memory manager is used. Will be set,
+# if the 'tbb' USE flag is set.
+#MMGT_OPT=0
+
+# MMGT_CLEAR = {0,1} (default: 1)
+# if set to 0, memory block is returned as it is. Will be set, if the
+# 'optimize' USE flag is set
+# if set to 1, every allocated memory block is cleared by zeros
+#MMGT_CLEAR=1
+
+# MMGT_CELLSIZE (default: 200)
+# defines the maximal size of blocks allocated in large pools of memory.
+#MMGT_CELLSIZE=200
+
+# MMGT_NBPAGES (default: 10000)
+# defines the size of memory chunks allocated for small blocks in pages
+# (OS dependant)
+#MMGT_NBPAGES=10000
+
+# MMGT_THRESHOLD (default: 40000)
+# defines the maximal size of blocks that are recycled internally instead
+# of being returned to the heap.
+#MMGT_THRESHOLD=40000
+
+# MMGT_MMAP = {0,1} (default: 1)
+# if set to 0, large memory blocks will be allocated in the C heap by
+# malloc()
+# if set to 1, large memory blocks are allocated using memory mapping
+# functions of the operating system.
+#MMGT_MMAP=1
+
+# CSF_LANGUAGE (default: us) optional
+# defines the default language of messages indicated by a two-letter
+# country code. Currently it's not verified if this work with other
+# than the default languages, so we keep it commented.
+#CSF_LANGUAGE=us
+
+# CSF_DEBUG_BOP (default: undefined) optional
+# if defined then it should specify the directory where diagnostic data
+# on problems occured in Boolean operations will be saved. Not defined by
+# default.
+#
+# NOTE: Only enable for debugging purposes. If set, this variable has a
+# large impact on the performance of boolean operations.
+#CSF_DEBUG_BOP=/var/tmp
+
+# CSF_EXCEPTION_PROMPT (default: 1) optional
+# not documented upstream (maybe a flag indicating whether the user shall
+# be prompted in the case of exceptions)
+#CSF_EXCEPTION_PROMPT=1
+
+# The following CSF_* variables define various directories and files where
+# OCCT is looking for resources.
+CSF_GraphicShr=VAR_CASROOT/lib/opencascade-VAR_PV/libTKOpenGl.so
+CSF_MIGRATION_TYPES=VAR_CASROOT/share/opencascade-VAR_PV/resources/StdResource/MigrationSheet.txt
+CSF_MDTVTexturesDirectory=VAR_CASROOT/share/opencascade-VAR_PV/resources/Textures
+CSF_PluginDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/StdResource
+CSF_StandardDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/StdResource
+CSF_StandardLiteDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/StdResource
+CSF_XCAFDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/StdResource
+CSF_XmlOcafResource=VAR_CASROOT/share/opencascade-VAR_PV/resources/XmlOcafResource
+# The below values might be optional.
+CSF_IGESDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/XSTEPResource
+CSF_ShadersDirectory=VAR_CASROOT/share/opencascade-VAR_PV/resources/Shaders
+CSF_SHMessage=VAR_CASROOT/share/opencascade-VAR_PV/resources/SHMessage
+CSF_STEPDefaults=VAR_CASROOT/share/opencascade-VAR_PV/resources/XSTEPResource
+CSF_UnitsDefinition=VAR_CASROOT/share/opencascade-VAR_PV/resources/UnitsAPI/Units.dat
+CSF_XSMessage=VAR_CASROOT/share/opencascade-VAR_PV/resources/XSMessage
+
+# TODO: check those
+# they were defined in the original ebuild but the directories and files
+# are not present in the current installation.
+#CSF_MDTVFontDirectory=VAR_CASROOT/src/FontMFT
+#CSF_UnitsLexicon=VAR_CASROOT/src/UnitsAPI/Lexi_Expr.dat