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First cut at cc_r detection. Specific to AIX. See comment in

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configure.in for details.
This commit is contained in:
Kurt Zeilenga 1999-06-08 23:32:36 +00:00
parent deca38c9a9
commit 9e11b935b8
2 changed files with 704 additions and 602 deletions
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1266
configure vendored
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40
configure.in
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@ -311,6 +311,7 @@ dnl AC_PROG_INSTALL
dnl The default compiler is cc (NOT gcc)
dnl (should check to see if 'cc' exists)
save_CC="$CC"
if test -z "${CC}"; then
AC_CHECK_PROGS(CC,cc)
fi
@ -318,6 +319,45 @@ fi
dnl The default CFLAGS is empty NOT whatever AC_PROG_CC sets.
dnl CFLAGS=${CFLAGS-""}
dnl
dnl AIX Thread requires we use cc_r or x1c_r.
dnl But only do this IF AIX and CC is zero (initially),
dnl and cc exists and threads are auto|yes|posix.
dnl
dnl If we find cc_r|x1c_r, force pthreads and assume
dnl pthread_create is in $LIBS (ie: don't bring in
dnl any additional thread libraries)
dnl If we do not find cc_r|x1c_r, disable threads
dnl
AC_CANONICAL_HOST
case "$host" in
*-*-aix*) $ol_host_os=aix ;;
esac
ol_aix_threads=no
if test -z "$save_CC" -a "$CC" = cc -a "$ol_host_os" = aix ; then
case "$ol_with_threads" in
auto | yes | posix) ol_aix_threads=yes ;;
esac
fi
if test ol_aix_threads = yes ; then
AC_CHECK_PROGS(CC,cc_r x1c_r)
if test "$CC" ; then
if test $ol_with_threads != auto ; then
AC_MSG_ERROR([--with-threads requires cc_r (or other suitable compiler) on AIX])
else
AC_MSG_WARN([disabling threads, no cc_r on AIX])
fi
ol_with_threads=no
else
ol_with_threads=posix
ol_cv_pthread_create=yes
fi
fi
AM_PROG_LIBTOOL
dnl AC_PROG_MAKE_SET