[patch #8186] ax_pthread adds -pthread when it should not on OSX when compiling with clang

[anonymous]

Follow-up Comment #1, patch #8186 (project autoconf-archive):

Surely a better test for whether the compiler is clang is needed, for example
in MacPorts clang is installed as clang-mp-3.3 etc... and with this check this
compiler will not be identified as clang.

In one of my projects I use the following to see if clang is being used:

  # check for clang
  AS_IF([test "x$GCC" = xyes],
    [AS_IF([test "`$CC -v 2>&1 | grep -c 'clang'`" != "0"],[CLANG_CC=1])],
    [CLANG_CC=])
  AC_SUBST(CLANG_CC)

So could something like that be used here?


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