+#
+# This offers a nice overview how to build shared libraries on all platforms
+# http://www.fortran-2000.com/ArnaudRecipes/sharedlib.html
+#
+
+AC_DEFUN([AC_LIBREPLACE_STLD],
+[
+ AC_PATH_PROG(PROG_AR, ar)
+
+ STLD=${PROG_AR}
+
+ AC_SUBST(STLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_STLD_FLAGS],
+[
+ STLD_FLAGS="-rcs"
+ AC_SUBST(STLD_FLAGS)
+])
+
AC_DEFUN([AC_LD_EXPORT_DYNAMIC],
[
saved_LDFLAGS="$LDFLAGS"
-LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
-AC_LINK_IFELSE([ int main() { return 0; } ],
-[ LD_EXPORT_DYNAMIC=-Wl,--export-dynamic ],
-[ LD_EXPORT_DYNAMIC= ])
+if AC_TRY_COMMAND([${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="$saved_LDFLAGS"
])
PICFLAG="-KPIC"
;;
*darwin*)
+ PICFLAG="-fno-common"
;;
esac
AC_SUBST(PICFLAG)
])
-AC_DEFUN([AC_LD_SHLDFLAGS],
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_LINKER],
[
- SHLD_FLAGS="-shared"
+ LD_SHLIB_LINKER="${CC}"
+
+ case "$host_os" in
+ *irix*)
+ LD_SHLIB_LINKER="${PROG_LD}"
+ ;;
+ esac
+
+ AC_SUBST(LD_SHLIB_LINKER)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_FLAGS],
+[
+ LD_SHLIB_FLAGS="-shared"
case "$host_os" in
*linux*)
- SHLD_FLAGS="-shared -Wl,-Bsymbolic"
+ LD_SHLIB_FLAGS="-shared -Wl,-Bsymbolic"
;;
*solaris*)
- SHLD_FLAGS="-G"
+ LD_SHLIB_FLAGS="-G"
if test "${GCC}" = "no"; then
## ${CFLAGS} added for building 64-bit shared
## libs using Sun's Compiler
- SHLD_FLAGS="-G \${CFLAGS}"
+ LD_SHLIB_FLAGS="-G \${CFLAGS}"
fi
;;
*sunos*)
- SHLD_FLAGS="-G"
+ LD_SHLIB_FLAGS="-G"
;;
*irix*)
- SHLD_FLAGS="-set_version sgi1.0 -shared"
+ LD_SHLIB_FLAGS="-shared"
;;
*aix*)
- SHLD_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
+ LD_SHLIB_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
;;
*hpux*)
- if test $ac_cv_prog_cc_Ae = yes; then
- SHLD_FLAGS="-b -Wl,-B,symbolic,-b,-z"
+ if test "${GCC}" = "yes"; then
+ LD_SHLIB_FLAGS="-shared"
+ else
+ LD_SHLIB_FLAGS="-b"
fi
;;
+ *osf*)
+ LD_SHLIB_FLAGS="-shared"
+ ;;
+ *darwin*)
+ LD_SHLIB_FLAGS="-dynamiclib -Wl,-search_paths_first"
+ ;;
+ esac
+
+ AC_SUBST(LD_SHLIB_FLAGS)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG],
+[
+ LD_SHLIB_DISALLOW_UNDEF_FLAG=""
+
+ #
+ # TODO: enforce error not only warnings
+ #
+ # NOTE: -Wl,--no-allow-shlib-undefined isn't what we want...
+ # as it bails out on broken system libraries
+ #
+ case "$host_os" in
+ *osf*)
+ LD_SHLIB_DISALLOW_UNDEF_FLAG="-warning_unresolved"
+ ;;
*darwin*)
- SHLD_FLAGS="-bundle -flat_namespace -undefined suppress"
+ LD_SHLIB_DISALLOW_UNDEF_FLAG="-undefined error"
;;
esac
+ AC_SUBST(LD_SHLIB_DISALLOW_UNDEF_FLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_SHLD],
+[
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
+ SHLD="$LD_SHLIB_LINKER"
+ AC_SUBST(SHLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_SHLD_FLAGS],
+[
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_DISALLOW_UNDEF_FLAG])
+ SHLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_DISALLOW_UNDEF_FLAG"
AC_SUBST(SHLD_FLAGS)
])
esac
AC_SUBST(SHLIBEXT)
])
+
+AC_DEFUN([AC_LD_SONAMEFLAG],
+[
+ AC_SUBST(SONAMEFLAG)
+ SONAMEFLAG=""
+ case "$host_os" in
+ *linux*)
+ SONAMEFLAG="-Wl,-soname="
+ ;;
+ *solaris*)
+ SONAMEFLAG="-h "
+ if test "${GCC}" = "yes"; then
+ SONAMEFLAG="-Wl,-soname="
+ fi
+ ;;
+ *sunos*)
+ SONAMEFLAG="-Wl,-h,"
+ ;;
+ *netbsd* | *freebsd* | *dragonfly* )
+ SONAMEFLAG="-Wl,-soname,"
+ ;;
+ *openbsd*)
+ SONAMEFLAG="-Wl,-soname,"
+ ;;
+ *irix*)
+ SONAMEFLAG="-Wl,-soname,"
+ ;;
+ *hpux*)
+ SONAMEFLAG="-Wl,+h,"
+ ;;
+ *osf*)
+ SONAMEFLAG="-Wl,-soname,"
+ ;;
+ *unixware*)
+ SONAMEFLAG="-Wl,-soname,"
+ ;;
+ *darwin*)
+ SONAMEFLAG="#"
+ ;;
+ *aix*)
+ # Not supported
+ SONAMEFLAG="#"
+ ;;
+ esac
+])
+
+AC_DEFUN([AC_LIBREPLACE_MDLD],
+[
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
+ MDLD="$LD_SHLIB_LINKER"
+ AC_SUBST(MDLD)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG],
+[
+ LD_ALLOW_SHLIB_UNDEF_FLAG=""
+
+ case "$host_os" in
+ *linux*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,--allow-shlib-undefined"
+ ;;
+ *osf*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-expect_unresolved,\"*\""
+ ;;
+ *darwin*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-undefined dynamic_lookup"
+ ;;
+ *aix*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-bnoentry"
+ ;;
+ esac
+
+ AC_SUBST(LD_SHLIB_ALLOW_UNDEF_FLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_MDLD_FLAGS],
+[
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG])
+ MDLD_FLAGS="$LD_SHLIB_FLAGS $LD_SHLIB_ALLOW_UNDEF_FLAG"
+ AC_SUBST(MDLD_FLAGS)
+])
+
+AC_DEFUN([AC_LIBREPLACE_RUNTIME_LIB_PATH_VAR],
+[
+ case "$host_os" in
+ *linux*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *netbsd*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *solaris*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *hpux*)
+ LIB_PATH_VAR=SHLIB_PATH
+ ;;
+ *osf*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *aix*)
+ LIB_PATH_VAR=LIB_PATH
+ ;;
+ *irix*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *darwin*)
+ LIB_PATH_VAR=DYLD_LIBRARY_PATH
+ ;;
+ esac
+
+ AC_SUBST(LIB_PATH_VAR)
+])
git.samba.org / amitay / samba.git / blobdiff