view release on metacpan or  search on metacpan

webp-src/m4/ltoptions.m4  view on Meta::CPAN

m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
        _LT_MANGLE_DEFUN([$1], [$2]),
    [m4_warning([Unknown $1 option `$2'])])[]dnl
])


# _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
# ------------------------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
m4_define([_LT_IF_OPTION],
[m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])


# _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
# -------------------------------------------------------
# Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
# are set.
m4_define([_LT_UNLESS_OPTIONS],
[m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
		      [m4_define([$0_found])])])[]dnl
m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
])[]dnl
])


# _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
# ----------------------------------------
# OPTION-LIST is a space-separated list of Libtool options associated
# with MACRO-NAME.  If any OPTION has a matching handler declared with
# LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
# the unknown option and exit.
m4_defun([_LT_SET_OPTIONS],
[# Set options
m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
    [_LT_SET_OPTION([$1], _LT_Option)])

m4_if([$1],[LT_INIT],[
  dnl
  dnl Simply set some default values (i.e off) if boolean options were not
  dnl specified:
  _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
  ])
  _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
  ])
  dnl
  dnl If no reference was made to various pairs of opposing options, then
  dnl we run the default mode handler for the pair.  For example, if neither
  dnl `shared' nor `disable-shared' was passed, we enable building of shared
  dnl archives by default:
  _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
  _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
  _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
  _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
  		   [_LT_ENABLE_FAST_INSTALL])
  ])
])# _LT_SET_OPTIONS


## --------------------------------- ##
## Macros to handle LT_INIT options. ##
## --------------------------------- ##

# _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
# -----------------------------------------
m4_define([_LT_MANGLE_DEFUN],
[[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])


# LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
# -----------------------------------------------
m4_define([LT_OPTION_DEFINE],
[m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
])# LT_OPTION_DEFINE


# dlopen
# ------
LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
])

AU_DEFUN([AC_LIBTOOL_DLOPEN],
[_LT_SET_OPTION([LT_INIT], [dlopen])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you
put the `dlopen' option into LT_INIT's first parameter.])
])

dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])


# win32-dll
# ---------
# Declare package support for building win32 dll's.
LT_OPTION_DEFINE([LT_INIT], [win32-dll],
[enable_win32_dll=yes

case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
  AC_CHECK_TOOL(AS, as, false)
  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
  AC_CHECK_TOOL(OBJDUMP, objdump, false)
  ;;
esac

test -z "$AS" && AS=as
_LT_DECL([], [AS],      [1], [Assembler program])dnl

test -z "$DLLTOOL" && DLLTOOL=dlltool
_LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl

test -z "$OBJDUMP" && OBJDUMP=objdump
_LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
])# win32-dll

AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
_LT_SET_OPTION([LT_INIT], [win32-dll])
AC_DIAGNOSE([obsolete],
[$0: Remove this warning and the call to _LT_SET_OPTION when you