... (add_library cannot create ALIAS target "fltk" because target
"fltk::fltk" is imported but not globally visible)
It turned out that this was due to a CMake feature that was changed in
CMake 3.18. This commit makes imported FLTK targets globally visible
for CMake versions less than 3.18.
This is a big commit and there are too many changes to list them all.
The main changes are:
- rename all CMake build options to 'FLTK_*'
- export library targets with namespace (prefix) 'fltk::'
- standardize shared library target names with suffix '-shared'
- set public build properties on libraries for consumers
- document library names and aliases in README.CMake.txt
- document changes in "Migrating Code from FLTK 1.3 to 1.4"
- partial backwards compatibility for old user projects
Included but not directly related changes:
- fix Windows (Visual Studio) DLL build
- add CMake function fl_debug_target() to show target properties
- don't build test programs if FLTK is a subproject
- internal: reformat CMake code: remove space before '('
Thanks to Matthias and Manolo for their help, testing, and feeback.
Some of the output variables had not been documented, and the "new"
variable for FLTK include directories is 'FLTK_INCLUDE_DIRS' (plural)
rather than 'FLTK_INCLUDE_DIR'.
FLTK_INCLUDE_DIR is now also set for compatibility with FindFLTK.cmake
supplied by CMake.
- remove obsolete svn '$Id$' tags from all source files
- update .fl files and generated files accordingly
- replace 'http://www.fltk.org' URL's with 'https://...'
- replace bug report URL 'str.php' with 'bugs.php'
- remove trailing whitespace
- fix other whitespace errors flagged by Git
- add and/or fix missing or wrong standard headers
- convert tabs to spaces in all source files
The only relevant code changes are in the fluid/ folder where
some .fl files and other source files were used to generate
the '$Id' headers and footers.
Cherry-pick the essential changes from FLTK 1.3 since this change
had not been ported to 1.4 yet.
To do: my current plan is to consolidate 1.3 and 1.4 CMake files
as far as possible (with the exceptions of source files, obviously)
and to redesign / refactor CMake files later in this process or
maybe only for 1.4 if it turns out to be too much to backport.
than what we had previously, but may need some more testing. The latest
changes (removing old APPLE_QD definitions and code) might need another
update.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7451 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
More CMake updates (STR #499)
The Watcom C++ compiler needed a small change (STR #567)
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@3869 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
