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The commit r16-7202-gb129ff0880c6d1 broke running libitm’s testsuite
using combinations of options because it didn’t clean up all the
global variables set in c++.exp. Fix the regression by using g++ for
the C++ tests and cleaning up the variables shared between C and C++
tests.
libitm/ChangeLog:
PR libitm/69018
* testsuite/lib/libitm.exp (libitm_init): Check
GXX_UNDER_TEST. Add "${blddir}/.libs" to
always_ld_library_path if blddir is not empty. Use
"-fdiagnostics-plain-output". Don't set compiler to GCC_UNDER_TEST.
* testsuite/libitm.c++/c++.exp: If $blddir is not empty set
libstdc++_library_path, shlib_ext, lang_include_flags, add
"${blddir}/${lang_library_paths}" to ld_library_path.
Unset libstdc++_library_path and shlib_ext if we skip C++
tests and at the end of the test run.
* testsuite/libitm.c/c.exp: Update the FSF address to the
website in the license text. Unset lang_library_paths and
lang_include_flags. Set the compiler to $GCC_UNDER_TEST.
Co-authored-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Pietro Monteiro <pietro@sociotechnical.xyz>