tlbuild: --disable-native-texlive-build
7.1.1 '--disable-native-texlive-build'
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If enabled (the default), build for a TL binary distribution as shipped
by the TeX user groups. This requires GNU 'make' and implies
'--enable-multiplatform' and '--enable-cxx-runtime-hack' (unless they
are explicitly disabled), and enforces '--disable-shared'.
If building TL for a GNU/Linux or other distribution, this should be
disabled and system versions of most libraries should be used (⇒
Distro builds).
A related option, '--enable-texlive-build', is automatically passed
to all subdirectories (and cannot be disabled). Subdirectories that can
also be built independently from the TL tree (such as 'utils/xindy' and
'texk/dvipng') but cooperate with TL can use this option to enable
TL-specific adaptations, such as installation paths.