Hi,
I am building some Fortran sources and on Mac I want to make the
resulting executable portable back to 10.7.
So I have:
if (APPLE)
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
set (CMAKE_OSX_DEPLOYMENT_TARGET 10.7) # Earliest version we can
support with C++11 & libc++
set (CMAKE_OSX_SYSROOT
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk)
endif (APPLE)
in my CMakeLists.txt.
I am building on a 10.8 system with the 10.9 SDK installed.
This all works as expected with the C and C++ sources in the project but
the Fortran compiles are not being passed the relevant options:
-isysroot
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.9.sdk
-mmacosx_version_min=10.7
The Fortran compiler is the MacPorts gcc49 itself built from sources
using the same options so that the distributable libraries reference the
correct system library function versions.
So what am I missing? A brief scan of the CMake sources looks like it
should be doing this right for GNU compilers as the compiler tests
should check for those options being supported and supply them.
Do I have to add these options to the FFLAGS in my CMakeLists.txt?
Regards
Bill.
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