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76 lines
2.7 KiB
76 lines
2.7 KiB
4 years ago
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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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AC_LANG_POP()
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AC_ARG_ENABLE([64bit-solaris],
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[AS_HELP_STRING([--disable-64bit-solaris],
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[Build 64 bit binary on Solaris @<:@default=on@:>@])],
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[ac_enable_64bit="$enableval"],
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[ac_enable_64bit="yes"])
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AS_IF([test "$SUNCC" = "yes" -a "x${ac_cv_env_CXXFLAGS_set}" = "x"],[
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dnl Sun Studio has a crashing bug with -xO4 in some cases. Keep this
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dnl at -xO3 until a proper test to detect those crashes can be done.
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CXXFLAGS="-g0 -xO3 -xlibmil -xdepend -xbuiltin -mt -compat=5 -library=stlport4 -library=Crun -template=no%extdef ${CXXFLAGS}"
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])
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case $host_os in
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*solaris*)
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AC_CHECK_PROGS(ISAINFO, [isainfo], [no])
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AS_IF([test "x$ISAINFO" != "xno"],
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[isainfo_b=`${ISAINFO} -b`],
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[isainfo_b="x"])
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AS_IF([test "$isainfo_b" != "x"],[
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isainfo_k=`${ISAINFO} -k`
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AS_IF([test "x$ac_enable_64bit" = "xyes"],[
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AC_DEFINE([SOLARIS_64BIT_ENABLED], [1], [64bit enabled])
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AS_IF([test "x$libdir" = "x\${exec_prefix}/lib"],[
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dnl The user hasn't overridden the default libdir, so we'll
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dnl the dir suffix to match solaris 32/64-bit policy
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libdir="${libdir}/${isainfo_k}"
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])
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dnl This should just be set in CPPFLAGS and in LDFLAGS, but libtool
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dnl does the wrong thing if you don't put it into CXXFLAGS. sigh.
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dnl (It also needs it in CFLAGS, or it does a different wrong thing!)
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AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[
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CXXFLAGS="${CXXFLAGS} -m64"
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ac_cv_env_CXXFLAGS_set=set
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ac_cv_env_CXXFLAGS_value='-m64'
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])
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AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],[
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CFLAGS="${CFLAGS} -m64"
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ac_cv_env_CFLAGS_set=set
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ac_cv_env_CFLAGS_value='-m64'
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])
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AS_IF([test "$target_cpu" = "sparc" -a "x$SUNCC" = "xyes" ],[
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CXXFLAGS="-xmemalign=8s ${CXXFLAGS}"
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])
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])
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])
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;;
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esac
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])
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