On 12/22/2010 4:15 PM, Richard Wackerbarth wrote:
The problem is that CMake does not call the linker. It invokes the linker by
calling the compiler and passing flags through it.
In the module, Darwin.cmake, you find:
SET(CMAKE_C_LINK_FLAGS "-Wl,-headerpad_max_install_names")
SET(CMAKE_CXX_LINK_FLAGS "-Wl,-headerpad_max_install_names")
But in Darwin-icc.cmake, you find:
SET(CMAKE_C_LINK_FLAGS "-headerpad_max_install_names")
SET(CMAKE_CXX_LINK_FLAGS "-headerpad_max_install_names")
Changing the latter to match the former should fix the issue.
So, Darwin-icc.cmake is for the Intel compiler on the Mac. The intel
compiler does not want and can not have the -Wl, syntax. These modules
need to be updated to the new way of handling compilers. Right now the
Mac is using the older style program name matching. mpicc is matching
icc, and so CMake tries to use the intel compiler settings when mpicc is
used. I bet if you created an alias for mpicc to mpigcc it might work...
-Bill
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