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On 8/30/20 8:27 PM Greg Ercolano wrote:
On 2020-08-30 11:19, Greg Ercolano wrote:
The statement at line #59 of file CMake/options.cmake is
list (APPEND FLTK_CFLAGS "-isysroot ${CMAKE_OSX_SYSROOT}")
and this contributes to the value of CXXFLAGS at line #46 of file fltk-config which is expected to contain
"-isysroot" followed by the path to the SDK adequate for the running system.
Since it's adding it to the path FLTK_CFLAGS whether it's set or not,
I tried the seemingly obvious thing of making this change in CMake/options.cmake:
if (APPLE)
option (OPTION_APPLE_X11 "use X11" OFF)
option (OPTION_APPLE_SDL "use SDL" OFF)
- list (APPEND FLTK_CFLAGS "-isysroot ${CMAKE_OSX_SYSROOT}")
+ if (CMAKE_OSX_SYSROOT)
+ list (APPEND FLTK_CFLAGS "-isysroot ${CMAKE_OSX_SYSROOT}")
+ endif (CMAKE_OSX_SYSROOT)
endif (APPLE)
..which I think only adds the variable if it's defined, and leaves it out if not.
That seemed to work, as now the constructed fltk-config works.
Not sure if that's the right solution though.
At least it seems to be better than setting it unconditionally. Manolo
wrote before that some compiler commands don't need the '-isysroot' flag
but we don't know exactly when this is the case and when it's needed. We
should probably "trust" CMake and use it only if it's defined.
Manolo, what do you think?
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