| dnl Check for the presence of the Sun Studio compiler. |
| dnl If Sun Studio compiler is found, set appropriate flags. |
| dnl Additionally, Sun Studio doesn't default to 64-bit by itself, |
| dnl nor does it automatically look in standard Solaris places for |
| dnl 64-bit libs, so we must add those options and paths to the search |
| dnl paths. |
| |
| dnl TODO(kenton): This is pretty hacky. It sets CXXFLAGS, which the autoconf |
| dnl docs say should never be overridden except by the user. It also isn't |
| dnl cross-compile safe. We should fix these problems, but since I don't have |
| dnl Sun CC at my disposal for testing, someone else will have to do it. |
| |
| AC_DEFUN([ACX_CHECK_SUNCC],[ |
| |
| AC_LANG_PUSH([C++]) |
| AC_CHECK_DECL([__SUNPRO_CC], [SUNCC="yes"], [SUNCC="no"]) |
| AC_LANG_POP() |
| |
| |
| AC_ARG_ENABLE([64bit-solaris], |
| [AS_HELP_STRING([--disable-64bit-solaris], |
| [Build 64 bit binary on Solaris @<:@default=on@:>@])], |
| [ac_enable_64bit="$enableval"], |
| [ac_enable_64bit="yes"]) |
| |
| AS_IF([test "$SUNCC" = "yes" -a "x${ac_cv_env_CXXFLAGS_set}" = "x"],[ |
| dnl Sun Studio has a crashing bug with -xO4 in some cases. Keep this |
| dnl at -xO3 until a proper test to detect those crashes can be done. |
| CXXFLAGS="-g0 -xO3 -xlibmil -xdepend -xbuiltin -mt -compat=5 -library=stlport4 -library=Crun -template=no%extdef ${CXXFLAGS}" |
| ]) |
| |
| case $host_os in |
| *solaris*) |
| AC_CHECK_PROGS(ISAINFO, [isainfo], [no]) |
| AS_IF([test "x$ISAINFO" != "xno"], |
| [isainfo_b=`${ISAINFO} -b`], |
| [isainfo_b="x"]) |
| |
| AS_IF([test "$isainfo_b" != "x"],[ |
| |
| isainfo_k=`${ISAINFO} -k` |
| |
| AS_IF([test "x$ac_enable_64bit" = "xyes"],[ |
| |
| AS_IF([test "x$libdir" = "x\${exec_prefix}/lib"],[ |
| dnl The user hasn't overridden the default libdir, so we'll |
| dnl the dir suffix to match solaris 32/64-bit policy |
| libdir="${libdir}/${isainfo_k}" |
| ]) |
| |
| dnl This should just be set in CPPFLAGS and in LDFLAGS, but libtool |
| dnl does the wrong thing if you don't put it into CXXFLAGS. sigh. |
| dnl (It also needs it in CFLAGS, or it does a different wrong thing!) |
| CXXFLAGS="${CXXFLAGS} -m64" |
| ac_cv_env_CXXFLAGS_set=set |
| ac_cv_env_CXXFLAGS_value='-m64' |
| |
| CFLAGS="${CFLAGS} -m64" |
| ac_cv_env_CFLAGS_set=set |
| ac_cv_env_CFLAGS_value='-m64' |
| |
| AS_IF([test "$target_cpu" = "sparc" -a "x$SUNCC" = "xyes" ],[ |
| CXXFLAGS="-xmemalign=8s ${CXXFLAGS}" |
| ]) |
| ]) |
| ]) |
| ;; |
| esac |
| |
| ]) |
