On the Mac OS platform, file glu.h is not in a directory called GL.
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This commit adds the basic setup in CMake to allow SDL as a base
library for FLTK on OS X (and probably for other platforms as well).
The SDL library driver set is derived from yet another new driver
set named 'Pico'. 'Pico' is a base class for a driver that will
allow porting of FLTK with the tinyest amount of effort. This
implementation of the SDL driver shall be documented very well
to explain the porting process.
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- building the base structure to have a screen driver, a window driver, and a system driver
- still pondering over the exact implementation
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When the option is off, file config.h defines NO_PRINT_SUPPORT
which in turn produces a library without print support, that is,
class Fl_Printer does nothing.
When off, the FLTK library is somewhat smaller.
Can be turned off only when the X11 library is used.
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to build an X11-using version of FLTK on the Mac OS platform.
This matches the recent support of the --enable-x11 option
by the configure script on the mac.
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The files "config.h" generated by configure and CMake are now almost
identical, except a few comments and some still missing or failing
config tests, for instance checks for some functions in libraries.
[Note: tested and compared on Linux.]
configh.cmake.in: Fixed many #cmakedefine and #cmakedefine01 statements
so they #define their variables as 0 or 1, or /* #undef */ it, resp.,
as it is done in the configure build.
Added tests:
- libXrender
Fixed tests:
- function glXGetProcAddressARB
Todo (still failing tests in CMake):
- HAVE_PNG_GET_VALID
- HAVE_PNG_SET_TRNS_TO_ALPHA
- HAVE_DLSYM
Other remaining issues:
- compiler flags introduced in configure/make build
- HAVE_SYS_NDIR_H - maybe missing test in configure ?
- HAVE_SYS_DIR_H - maybe missing test in configure ?
- HAVE_NDIR_H - maybe missing test in configure ?
- WORDS_BIGENDIAN and #include <mac_endianness.h> ...
i.e. Mac OS X specific #include needed or not ?
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This commit adds the configure option --with-abiversion and the CMake option
OPTION_ABI_VERSION. Both options can be set e.g. to 10304 to build with
FL_ABI_VERSION = 10304 (FLTK 1.3.4).
For IDE builds there are new files ide/<IDE-NAME>/FL/abi-version.h that
can be edited to change the ABI version before the FLTK lib is built.
Note that this file MUST be copied to the include/FL directory if the
IDE-built library is to be installed.
The default is FL_ABI_VERSION = FL_MAJOR*10000 + FL_MINOR*100 + 0, i.e.
10300 for all FLTK 1.3.x versions to keep binary compatibility (ABI).
Todo: more tests and more documentation.
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This option is marked as advanced and only available with CMake >= 3.0.
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This flag is not needed and not used by fltk-config created by configure.
It is only used internally, and for this reason it is in config.h.
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Also change our fallback cursors to use this method, so that fallback
cursors are handled in a platform independent manner. STR #2660.
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