I am trying to determine if certain TR1 Headers are available to the compiler.
My first test system is an OS X 10.6.8 system using the built in GCC. Here is
the pertinent parts of my CMake file:
macro (CORE_CHECK_INCLUDE_FILE header var prefix)
CHECK_INCLUDE_FILE("${header}" ${prefix}_${var} )
endmacro()
#----- THIS FAILS with include file not found
CORE_CHECK_INCLUDE_FILE("tr1/unordered_set" HAVE_TR1_UNORDERED_SET_H
CMP)
#----- THIS Succeeds.
check_cxx_source_compiles(
"#include <tr1/unordered_set>
int main() {
std::tr1::unordered_set<int> ptr;
return 0;
}
"
HAVE_TR1_UNORDERED_SET_H)
I can go either way but I am wanting a deeper understanding of why the first
test failed? This code is going to be used with Visual Studio and Linux so I am
looking for more of a "bullet" proof way of finding these headers.
Thanks
___________________________________________________________
Mike Jackson Principal Software Engineer
BlueQuartz Software Dayton, Ohio
mike.jack...@bluequartz.net www.bluequartz.net
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