DYLD_LIBRARY_PATH is now removed from the environment for all system
tools, including the shell. Adapt the testsuite and pass the right
options to allow testing, even when the compiler and libraries have not
been installed.
gcc/ChangeLog:
* Makefile.in: set ENABLE_DARWIN_AT_RPATH in site.tmp.
gcc/testsuite/ChangeLog:
* gfortran.dg/coarray/caf.exp: Correctly set
libatomic flags.
* gfortran.dg/dg.exp: Likewise.
* lib/asan-dg.exp: Set correct -B flags.
* lib/atomic-dg.exp: Likewise.
* lib/target-libpath.exp: Handle ENABLE_DARWIN_AT_RPATH.
libatomic/ChangeLog:
* testsuite/lib/libatomic.exp: Pass correct flags on darwin.
libffi/ChangeLog:
* testsuite/lib/libffi.exp: Likewise.
libitm/ChangeLog:
* testsuite/lib/libitm.exp: Likewise.
* testsuite/libitm.c++/c++.exp: Likewise.
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