Akim Demaille 27630864e7 build: work around ICC's limitations ...

Several types of failures.  First, unable to pass the file name
properly to the linker.

    ./synclines.at:416: $CC $CFLAGS $CPPFLAGS  $LDFLAGS -o \"\\\"\" \"\\\"\".c $LIBS
    stderr:
    ld: cannot open output file "/"": No such file or directory
    stdout:

Unable to save under such a file name.

    ./synclines.at:421: $CXX $CXXFLAGS $CPPFLAGS -c $LDFLAGS -o \"\\\"\" \"\\\"\".cc $LIBS
    stderr:
    error: can't open file "/"" for write
    compilation aborted for "\"".cc (code 1)

Spurious output because of warning flags is failed to reject as an
error during configure:

    ./headers.at:343: $CXX $CXXFLAGS $CPPFLAGS $LDFLAGS c-only.o cxx-only.o -o c-and-cxx ||
              exit 77
    --- /dev/null	2018-09-18 21:21:37.745649000 +0000
    +++ /home/travis/build/akimd/bison/tests/testsuite.dir/at-groups/222/stderr	2018-09-18 21:28:17.291919519 +0000
    @@ -0,0 +1,7 @@
    +icpc: command line warning #10006: ignoring unknown option '-Wcast-align'
    +icpc: command line warning #10006: ignoring unknown option '-fparse-all-comments'
    +icpc: command line warning #10006: ignoring unknown option '-Wdocumentation'
    +icpc: command line warning #10006: ignoring unknown option '-Wnull-dereference'
    +icpc: command line warning #10006: ignoring unknown option '-Wnoexcept'
    +icpc: command line warning #10006: ignoring unknown option '-fno-color-diagnostics'
    +icpc: command line warning #10006: ignoring unknown option '-Wno-keyword-macro'
    stdout:

* tests/local.at (AT_SKIP_IF_CANNOT_LINK_C_AND_CXX): Also ignore
stderr, as with ICC we get
* tests/synclines.at (syncline escapes): Don't link the output.

2018-09-20 06:30:46 +02:00

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