document 'extension' and 'floatsize' variables

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IOhannes m zmölnig 2023-06-28 12:35:37 +02:00 committed by umläute
parent a54f4e4e20
commit 4b6743cda5

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@ -102,6 +102,8 @@ version = 0.6.0
# Optional user variables for make command line or environment: # Optional user variables for make command line or environment:
# #
# - PLATFORM # - PLATFORM
# - extension
# - floatsize
# #
# Deprecated path variables: # Deprecated path variables:
# #
@ -205,6 +207,19 @@ version = 0.6.0
# will then be autodefined accordingly. In most cases no other variables need to # will then be autodefined accordingly. In most cases no other variables need to
# be overridden. # be overridden.
# #
# extension:
# Extension for the external to use. Example: m_amd64
# A sane default is picked, but it is useful if you want to provide
# co-installable externals for multiple platforms (for the same operating
# systems)
#
# floatsize:
# the size of the t_float in bits. Example: 32
# t_float are usually single precision (32bit), which is the default.
# For double precision use floatsize=64
# When building double precision externals, you will want to set the extension
# as well, e.g. extension=windows-amd64-64.dll (<system>-<cpu>-<floatsize>.<ext>)
#
# CPPFLAGS: # CPPFLAGS:
# Preprocessor flags which are not strictly required for building. # Preprocessor flags which are not strictly required for building.
# #