/usr/share/GNUstep/debian/frameworkdev.install.in is in gnustep-make 2.6.2-2.1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | @GNUSTEP_SYSTEM_LIBRARIES@/lib@FRAMEWORK@.so
@GNUSTEP_SYSTEM_LIBRARY@/Frameworks/@FRAMEWORK@.framework/Versions/@FRAMEWORKVER@/Headers
@GNUSTEP_SYSTEM_LIBRARY@/Frameworks/@FRAMEWORK@.framework/Versions/@FRAMEWORKVER@/@FRAMEWORK@
@GNUSTEP_SYSTEM_LIBRARY@/Frameworks/@FRAMEWORK@.framework/Versions/@FRAMEWORKVER@/*.so
@GNUSTEP_SYSTEM_LIBRARY@/Frameworks/@FRAMEWORK@.framework/Versions/Current
@GNUSTEP_SYSTEM_LIBRARY@/Frameworks/@FRAMEWORK@.framework/Headers
@GNUSTEP_SYSTEM_HEADERS@/@FRAMEWORK@
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