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Attempt at detecting 64bit compilation flags between gcc, old, and new versions of sun cc

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Gcc accepts -m64, just as newer version of Suncc.
Older Suncc required -xarch=v9 (SPARC) or -xarch=amd64 (x86-64) to generate 64bit code.
This commit is contained in:
Thomas Guyot-Sionnest 2009-08-05 01:32:02 -04:00
parent 4b42d5aff4
commit ab1e1edff3
1 changed files with 62 additions and 3 deletions
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65
configure.in
View file

@ -585,14 +585,73 @@ elif test "$ac_cv_uname_s" = "SunOS"; then
ac_cv_ps_cols=9
AC_MSG_RESULT([using nagios-plugins internal ps command (pst3) for solaris])
if test `isainfo -b` = 64 ; then
PST3CFLAGS="-m64"
AC_SUBST(PST3CFLAGS)
AC_MSG_NOTICE([using 64bit pst3])
pst3_use_64bit=1
AC_MSG_NOTICE([using 64bit pst3])
else
AC_MSG_NOTICE([using 32bit pst3])
fi
EXTRAS_ROOT="$EXTRAS_ROOT pst3"
if test "$pst3_use_64bit" = 1; then
dnl Test if we can actually compile code in 64bit
old_cflags=$CFLAGS
CFLAGS="$CFLAGS -m64"
pst3_64bit_working=0
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [
return sizeof(void*) == 8 ? 0 : 1;
])
],[
PST3CFLAGS="-m64"
AC_SUBST(PST3CFLAGS)
pst3_64bit_working=1
AC_MSG_NOTICE([using -m64 for 64bit code])
],[
pst3_64bit_working=0
AC_MSG_NOTICE([compiler do not like -m64])
])
CFLAGS=$old_cflags
if test "$pst3_64bit_working" = 0; then
old_cflags=$CFLAGS
CFLAGS="$CFLAGS -xarch=v9"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [
return sizeof(void*) == 8 ? 0 : 1;
])
],[
PST3CFLAGS="-xarch=v9"
AC_SUBST(PST3CFLAGS)
pst3_64bit_working=1
AC_MSG_NOTICE([using -xarch=v9 for 64bit code])
],[
pst3_64bit_working=0
AC_MSG_NOTICE([compiler do not like -xarch=v9])
])
CFLAGS=$old_cflags
fi
if test "$pst3_64bit_working" = 0; then
old_cflags=$CFLAGS
CFLAGS="$CFLAGS -xarch=amd64"
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([], [
return sizeof(void*) == 8 ? 0 : 1;
])
],[
PST3CFLAGS="-xarch=amd64"
AC_SUBST(PST3CFLAGS)
pst3_64bit_working=1
AC_MSG_NOTICE([using -xarch=amd64 for 64bit code])
],[
pst3_64bit_working=0
AC_MSG_NOTICE([compiler do not like -xarch=amd64])
])
CFLAGS=$old_cflags
fi
if test "$pst3_64bit_working" = 0; then
AC_MSG_ERROR([I don't know how to build a 64-bit object!])
fi
fi
dnl Removing this for the moment - Ton
dnl Using /usr/ucb/ps on Solaris systems, to avoid truncation
dnl Limitation that command name is not available