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2713. [port] aix/powerpc: 'asm("ics");' needs non standard assembler

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flags.
This commit is contained in:
Mark Andrews 2009-10-16 04:10:06 +00:00
parent 8f7de3db7e
commit 616560e3db
2 changed files with 36 additions and 3 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
2713. [port] aix/powerpc: 'asm("ics");' needs non standard assembler
flags.
--- 9.7.0b1 released ---
2713. [bug] powerpc: atomic operations missing asm("ics") /

36
configure.in
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@ -18,7 +18,7 @@ AC_DIVERT_PUSH(1)dnl
esyscmd([sed "s/^/# /" COPYRIGHT])dnl
AC_DIVERT_POP()dnl
AC_REVISION($Revision: 1.483 $)
AC_REVISION($Revision: 1.484 $)
AC_INIT(lib/dns/name.c)
AC_PREREQ(2.59)
@ -2431,7 +2431,37 @@ AC_ARG_ENABLE(atomic,
enable_atomic="autodetect")
case "$enable_atomic" in
yes|''|autodetect)
use_atomic=yes
case "$host" in
powerpc-ibm-aix*)
if test "X$GCC" = "Xyes"; then
AC_MSG_CHECKING([if asm("isc"); works])
AC_TRY_COMPILE(,[
main() { asm("ics"); exit(0); }
],
[AC_MSG_RESULT(yes)
use_atomic=yes],
[
saved_cflags="$CFLAGS"
CFLAGS="$CFLAGS -Wa,-many"
AC_TRY_RUN([
main() { asm("ics"); exit(0); }
],
[AC_MSG_RESULT([yes, required -Wa,-many])
use_atomic=yes],
[AC_MSG_RESULT([no, use_atomic disabled])
CFLAGS="$saved_cflags"
use_atomic=no],
[AC_MSG_RESULT([cross compile, assume yes])
CFLAGS="$saved_cflags"
use_atomic=yes])
]
)
fi
;;
*)
use_atomic=yes
;;
esac
;;
no)
use_atomic=no
@ -2896,7 +2926,7 @@ AC_SUBST_FILE(BIND9_MAKE_RULES)
BIND9_MAKE_RULES=$BIND9_TOP_BUILDDIR/make/rules
. $srcdir/version
BIND9_VERSION="VERSION=${MAJORVER}.${MINORVER}.${PATCHVER}${RELEASETYPE}${RELEASEVER}"
BIND9_VERSION="VERSION=${MAJORVER}.${MINORVER}${PATCHVER:+.}${PATCHVER}${RELEASETYPE}${RELEASEVER}"
AC_SUBST(BIND9_VERSION)
if test -z "$ac_configure_args"; then