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dnl Check for the presence of the Sun Studio compiler.
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dnl If Sun Studio compiler is found, set appropriate flags.
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dnl Additionally, Sun Studio doesn't default to 64-bit by itself,
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dnl nor does it automatically look in standard Solaris places for
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dnl 64-bit libs, so we must add those options and paths to the search
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dnl paths.
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dnl TODO(kenton): This is pretty hacky. It sets CXXFLAGS, which the autoconf
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dnl docs say should never be overridden except by the user. It also isn't
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dnl cross-compile safe. We should fix these problems, but since I don't have
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dnl Sun CC at my disposal for testing, someone else will have to do it.
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AC_DEFUN([ACX_CHECK_SUNCC],[
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AC_LANG_PUSH([C++])
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AC_CHECK_DECL([__SUNPRO_CC], [SUNCC="yes"], [SUNCC="no"])
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AS_IF([test "$SUNCC" = "yes"],[
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isainfo_k=`isainfo -k`
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AS_IF([test "$target_cpu" = "sparc"],[
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MEMALIGN_FLAGS="-xmemalign=8s"
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IS_64="-m64"
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LDFLAGS="${LDFLAGS} -L/usr/lib/${isainfo_k} -L/usr/local/lib/${isainfo_k}"
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],[
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AS_IF([test "$isainfo_k" = "amd64"],[
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IS_64="-m64"
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LDFLAGS="${LDFLAGS} -L/usr/lib/${isainfo_k} -L/usr/local/lib/${isainfo_k}"
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])
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])
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CFLAGS="-g -xO4 -xlibmil -xdepend -Xa -mt -xstrconst ${IS_64} ${MEMALIGN_FLAGS} $CFLAGS"
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CXXFLAGS="-g -xO4 -xlibmil -mt ${IS_64} ${MEMALIGN_FLAGS} -xlang=c99 -compat=5 -library=stlport4 -template=no%extdef $CXXFLAGS"
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])
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AC_LANG_POP()
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])
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