PR fortran/29097

	* scanner.c (include_line): Handle conditional include.

	* testsuite/libgomp.fortran/condinc1.f: New test.
	* testsuite/libgomp.fortran/condinc2.f: New test.
	* testsuite/libgomp.fortran/condinc3.f90: New test.
	* testsuite/libgomp.fortran/condinc4.f90: New test.
	* testsuite/libgomp.fortran/condinc1.inc: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@117234 138bc75d-0d04-0410-961f-82ee72b054a4