# 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"
AC_SUBST(PICFLAG)
])
-AC_DEFUN([AC_LD_SHLDFLAGS],
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_LINKER],
+[
+ LD_SHLIB_LINKER="${CC}"
+
+ case "$host_os" in
+ *irix*)
+ LD_SHLIB_LINKER="${PROG_LD}"
+ ;;
+ esac
+
+ AC_SUBST(LD_SHLIB_LINKER)
+])
+
+AC_DEFUN([AC_LIBREPLACE_LD_SHLIB_FLAGS],
[
- SHLD_FLAGS="-shared"
+ LD_SHLIB_FLAGS="-shared"
case "$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
## ${CFLAGS} added for building 64-bit shared
## libs using Sun's Compiler
- SHLD_FLAGS="-G \${CFLAGS}"
+ LD_SHLIB_FLAGS="-G \${CFLAGS}"
fi
;;
*sunos*)
- SHLD_FLAGS="-G"
+ LD_SHLIB_FLAGS="-G"
;;
*irix*)
- SHLD_FLAGS="-shared"
+ LD_SHLIB_FLAGS="-shared"
;;
*aix*)
- SHLD_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
+ LD_SHLIB_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
;;
*hpux*)
if test "${GCC}" = "yes"; then
- SHLD_FLAGS="-shared"
+ LD_SHLIB_FLAGS="-shared"
else
- SHLD_FLAGS="-b"
+ 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 "$host_os" in
+ *osf*)
+ LD_SHLIB_DISALLOW_UNDEF_FLAG="-warning_unresolved"
+ ;;
*darwin*)
- SHLD_FLAGS="-bundle -flat_namespace -undefined suppress -Wl,-search_paths_first"
+ LD_SHLIB_DISALLOW_UNDEF_FLAG="-undefined error"
;;
esac
+ AC_SUBST(LD_SHLIB_DISALLOW_UNDEF_FLAG)
+])
+
+AC_DEFUN([AC_LIBREPLACE_SHLD],
+[
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_LINKER])
+ SHLD="$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 $LD_SHLIB_DISALLOW_UNDEF_FLAG"
AC_SUBST(SHLD_FLAGS)
])
AC_DEFUN([AC_LIBREPLACE_MDLD],
[
- MDLD="${CC}"
+ 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
- *irix*)
- MDLD="${PROG_LD}"
+ *linux*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,--allow-shlib-undefined"
+ ;;
+ *osf*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-expect_unresolved,\"*\""
+ ;;
+ *darwin*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-undefined dynamic_lookup"
+ ;;
+ *aix*)
+ LD_SHLIB_ALLOW_UNDEF_FLAG="-Wl,-bnoentry"
;;
esac
- AC_SUBST(MDLD)
+ AC_SUBST(LD_SHLIB_ALLOW_UNDEF_FLAG)
])
AC_DEFUN([AC_LIBREPLACE_MDLD_FLAGS],
[
- MDLD_FLAGS="-shared"
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_FLAGS])
+ AC_REQUIRE([AC_LIBREPLACE_LD_SHLIB_ALLOW_UNDEF_FLAG])
+ MDLD_FLAGS="$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*)
- MDLD_FLAGS="-shared -Wl,-Bsymbolic -Wl,--allow-shlib-undefined"
- ;;
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *netbsd*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
*solaris*)
- MDLD_FLAGS="-G"
- if test "${GCC}" = "no"; then
- ## ${CFLAGS} added for building 64-bit shared
- ## libs using Sun's Compiler
- NDLD_FLAGS="-G \${CFLAGS}"
- fi
- ;;
- *sunos*)
- MDLD_FLAGS="-G"
- ;;
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
+ *hpux*)
+ LIB_PATH_VAR=SHLIB_PATH
+ ;;
+ *osf*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
+ ;;
*aix*)
- MDLD_FLAGS="-Wl,-G,-bexpall,-bbigtoc"
+ LIB_PATH_VAR=LIB_PATH
;;
- *hpux*)
- if test "${GCC}" = "yes"; then
- MDLD_FLAGS="-shared"
- else
- MDLD_FLAGS="-b"
- fi
+ *irix*)
+ LIB_PATH_VAR=LD_LIBRARY_PATH
;;
*darwin*)
- MDLD_FLAGS="-bundle -flat_namespace -undefined suppress -Wl,-search_paths_first"
+ LIB_PATH_VAR=DYLD_LIBRARY_PATH
;;
esac
- AC_SUBST(MDLD_FLAGS)
+ AC_SUBST(LIB_PATH_VAR)
])