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|
AC_DEFUN([AC_LD_EXPORT_DYNAMIC],
[
saved_LDFLAGS="$LDFLAGS"
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -Wl,--version 2>&1 | grep "GNU ld" >/dev/null]); then
LD_EXPORT_DYNAMIC="-Wl,-export-dynamic"
else
case "$host_os" in
hpux* )
LD_EXPORT_DYNAMIC="-Wl,-E"
;;
* )
LD_EXPORT_DYNAMIC=""
;;
esac
fi
AC_SUBST(LD_EXPORT_DYNAMIC)
LDFLAGS="$saved_LDFLAGS"
])
AC_DEFUN([AC_LD_PICFLAG],
[
case "$host_os" in
*linux*)
PICFLAG="-fPIC"
;;
*solaris*)
if test "${GCC}" = "yes"; then
PICFLAG="-fPIC"
else
PICFLAG="-KPIC"
fi
;;
*sunos*)
PICFLAG="-KPIC" # Is this correct for SunOS
;;
*netbsd* | *freebsd* | *dragonfly* )
PICFLAG="-fPIC -DPIC"
;;
*openbsd*)
PICFLAG="-fPIC"
;;
*irix*)
if test "${GCC}" = "yes"; then
PICFLAG="-fPIC"
else
PICFLAG="-KPIC"
fi
;;
*aix*)
# as AIX code is always position independent...
PICFLAG="-O2"
;;
*hpux*)
if test $ac_cv_prog_cc_Ae = yes; then
PICFLAG="+z +ESnolit"
elif test "${GCC}" = "yes"; then
PICFLAG="-fPIC"
fi
if test "$host_cpu" = "ia64"; then
PICFLAG="+z"
fi
;;
*osf*)
PICFLAG="-fPIC"
;;
*unixware*)
PICFLAG="-KPIC"
;;
*darwin*)
;;
esac
AC_SUBST(PICFLAG)
])
AC_DEFUN([AC_LD_SHLDFLAGS],
[
SHLD_FLAGS="-shared"
case "$host_os" in
*linux*)
SHLD_FLAGS="-shared -Wl,-Bsymbolic"
;;
*solaris*)
SHLD_FLAGS="-G"
if test "${GCC}" = "no"; then
## ${CFLAGS} added for building 64-bit shared
## libs using Sun's Compiler
SHLD_FLAGS="-G \${CFLAGS}"
fi
;;
*sunos*)
SHLD_FLAGS="-G"
;;
*irix*)
SHLD_FLAGS="-shared"
;;
*aix*)
SHLD_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
;;
*hpux*)
if test $ac_cv_prog_cc_Ae = yes; then
SHLD_FLAGS="-b -Wl,-B,symbolic,-b,-z"
fi
;;
*darwin*)
SHLD_FLAGS="-bundle -flat_namespace -undefined suppress"
;;
esac
AC_SUBST(SHLD_FLAGS)
])
AC_DEFUN([AC_LD_SHLIBEXT],
[
SHLIBEXT="so"
case "$host_os" in
*hpux*)
if test "$host_cpu" = "ia64"; then
SHLIBEXT="so"
else
SHLIBEXT="sl"
fi
;;
*darwin*)
SHLIBEXT="dylib"
;;
esac
AC_SUBST(SHLIBEXT)
])
|
