Home | History | Annotate | Download | only in m4
      1 # Helper functions for option handling.                    -*- Autoconf -*-
      2 #
      3 #   Copyright (C) 2004-2005, 2007-2009, 2011-2015 Free Software
      4 #   Foundation, Inc.
      5 #   Written by Gary V. Vaughan, 2004
      6 #
      7 # This file is free software; the Free Software Foundation gives
      8 # unlimited permission to copy and/or distribute it, with or without
      9 # modifications, as long as this notice is preserved.
     10 
     11 # serial 8 ltoptions.m4
     12 
     13 # This is to help aclocal find these macros, as it can't see m4_define.
     14 AC_DEFUN([LTOPTIONS_VERSION], [m4_if([1])])
     15 
     16 
     17 # _LT_MANGLE_OPTION(MACRO-NAME, OPTION-NAME)
     18 # ------------------------------------------
     19 m4_define([_LT_MANGLE_OPTION],
     20 [[_LT_OPTION_]m4_bpatsubst($1__$2, [[^a-zA-Z0-9_]], [_])])
     21 
     22 
     23 # _LT_SET_OPTION(MACRO-NAME, OPTION-NAME)
     24 # ---------------------------------------
     25 # Set option OPTION-NAME for macro MACRO-NAME, and if there is a
     26 # matching handler defined, dispatch to it.  Other OPTION-NAMEs are
     27 # saved as a flag.
     28 m4_define([_LT_SET_OPTION],
     29 [m4_define(_LT_MANGLE_OPTION([$1], [$2]))dnl
     30 m4_ifdef(_LT_MANGLE_DEFUN([$1], [$2]),
     31         _LT_MANGLE_DEFUN([$1], [$2]),
     32     [m4_warning([Unknown $1 option '$2'])])[]dnl
     33 ])
     34 
     35 
     36 # _LT_IF_OPTION(MACRO-NAME, OPTION-NAME, IF-SET, [IF-NOT-SET])
     37 # ------------------------------------------------------------
     38 # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
     39 m4_define([_LT_IF_OPTION],
     40 [m4_ifdef(_LT_MANGLE_OPTION([$1], [$2]), [$3], [$4])])
     41 
     42 
     43 # _LT_UNLESS_OPTIONS(MACRO-NAME, OPTION-LIST, IF-NOT-SET)
     44 # -------------------------------------------------------
     45 # Execute IF-NOT-SET unless all options in OPTION-LIST for MACRO-NAME
     46 # are set.
     47 m4_define([_LT_UNLESS_OPTIONS],
     48 [m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
     49 	    [m4_ifdef(_LT_MANGLE_OPTION([$1], _LT_Option),
     50 		      [m4_define([$0_found])])])[]dnl
     51 m4_ifdef([$0_found], [m4_undefine([$0_found])], [$3
     52 ])[]dnl
     53 ])
     54 
     55 
     56 # _LT_SET_OPTIONS(MACRO-NAME, OPTION-LIST)
     57 # ----------------------------------------
     58 # OPTION-LIST is a space-separated list of Libtool options associated
     59 # with MACRO-NAME.  If any OPTION has a matching handler declared with
     60 # LT_OPTION_DEFINE, dispatch to that macro; otherwise complain about
     61 # the unknown option and exit.
     62 m4_defun([_LT_SET_OPTIONS],
     63 [# Set options
     64 m4_foreach([_LT_Option], m4_split(m4_normalize([$2])),
     65     [_LT_SET_OPTION([$1], _LT_Option)])
     66 
     67 m4_if([$1],[LT_INIT],[
     68   dnl
     69   dnl Simply set some default values (i.e off) if boolean options were not
     70   dnl specified:
     71   _LT_UNLESS_OPTIONS([LT_INIT], [dlopen], [enable_dlopen=no
     72   ])
     73   _LT_UNLESS_OPTIONS([LT_INIT], [win32-dll], [enable_win32_dll=no
     74   ])
     75   dnl
     76   dnl If no reference was made to various pairs of opposing options, then
     77   dnl we run the default mode handler for the pair.  For example, if neither
     78   dnl 'shared' nor 'disable-shared' was passed, we enable building of shared
     79   dnl archives by default:
     80   _LT_UNLESS_OPTIONS([LT_INIT], [shared disable-shared], [_LT_ENABLE_SHARED])
     81   _LT_UNLESS_OPTIONS([LT_INIT], [static disable-static], [_LT_ENABLE_STATIC])
     82   _LT_UNLESS_OPTIONS([LT_INIT], [pic-only no-pic], [_LT_WITH_PIC])
     83   _LT_UNLESS_OPTIONS([LT_INIT], [fast-install disable-fast-install],
     84 		   [_LT_ENABLE_FAST_INSTALL])
     85   _LT_UNLESS_OPTIONS([LT_INIT], [aix-soname=aix aix-soname=both aix-soname=svr4],
     86 		   [_LT_WITH_AIX_SONAME([aix])])
     87   ])
     88 ])# _LT_SET_OPTIONS
     89 
     90 
     91 ## --------------------------------- ##
     92 ## Macros to handle LT_INIT options. ##
     93 ## --------------------------------- ##
     94 
     95 # _LT_MANGLE_DEFUN(MACRO-NAME, OPTION-NAME)
     96 # -----------------------------------------
     97 m4_define([_LT_MANGLE_DEFUN],
     98 [[_LT_OPTION_DEFUN_]m4_bpatsubst(m4_toupper([$1__$2]), [[^A-Z0-9_]], [_])])
     99 
    100 
    101 # LT_OPTION_DEFINE(MACRO-NAME, OPTION-NAME, CODE)
    102 # -----------------------------------------------
    103 m4_define([LT_OPTION_DEFINE],
    104 [m4_define(_LT_MANGLE_DEFUN([$1], [$2]), [$3])[]dnl
    105 ])# LT_OPTION_DEFINE
    106 
    107 
    108 # dlopen
    109 # ------
    110 LT_OPTION_DEFINE([LT_INIT], [dlopen], [enable_dlopen=yes
    111 ])
    112 
    113 AU_DEFUN([AC_LIBTOOL_DLOPEN],
    114 [_LT_SET_OPTION([LT_INIT], [dlopen])
    115 AC_DIAGNOSE([obsolete],
    116 [$0: Remove this warning and the call to _LT_SET_OPTION when you
    117 put the 'dlopen' option into LT_INIT's first parameter.])
    118 ])
    119 
    120 dnl aclocal-1.4 backwards compatibility:
    121 dnl AC_DEFUN([AC_LIBTOOL_DLOPEN], [])
    122 
    123 
    124 # win32-dll
    125 # ---------
    126 # Declare package support for building win32 dll's.
    127 LT_OPTION_DEFINE([LT_INIT], [win32-dll],
    128 [enable_win32_dll=yes
    129 
    130 case $host in
    131 *-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-cegcc*)
    132   AC_CHECK_TOOL(AS, as, false)
    133   AC_CHECK_TOOL(DLLTOOL, dlltool, false)
    134   AC_CHECK_TOOL(OBJDUMP, objdump, false)
    135   ;;
    136 esac
    137 
    138 test -z "$AS" && AS=as
    139 _LT_DECL([], [AS],      [1], [Assembler program])dnl
    140 
    141 test -z "$DLLTOOL" && DLLTOOL=dlltool
    142 _LT_DECL([], [DLLTOOL], [1], [DLL creation program])dnl
    143 
    144 test -z "$OBJDUMP" && OBJDUMP=objdump
    145 _LT_DECL([], [OBJDUMP], [1], [Object dumper program])dnl
    146 ])# win32-dll
    147 
    148 AU_DEFUN([AC_LIBTOOL_WIN32_DLL],
    149 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
    150 _LT_SET_OPTION([LT_INIT], [win32-dll])
    151 AC_DIAGNOSE([obsolete],
    152 [$0: Remove this warning and the call to _LT_SET_OPTION when you
    153 put the 'win32-dll' option into LT_INIT's first parameter.])
    154 ])
    155 
    156 dnl aclocal-1.4 backwards compatibility:
    157 dnl AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [])
    158 
    159 
    160 # _LT_ENABLE_SHARED([DEFAULT])
    161 # ----------------------------
    162 # implement the --enable-shared flag, and supports the 'shared' and
    163 # 'disable-shared' LT_INIT options.
    164 # DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
    165 m4_define([_LT_ENABLE_SHARED],
    166 [m4_define([_LT_ENABLE_SHARED_DEFAULT], [m4_if($1, no, no, yes)])dnl
    167 AC_ARG_ENABLE([shared],
    168     [AS_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
    169 	[build shared libraries @<:@default=]_LT_ENABLE_SHARED_DEFAULT[@:>@])],
    170     [p=${PACKAGE-default}
    171     case $enableval in
    172     yes) enable_shared=yes ;;
    173     no) enable_shared=no ;;
    174     *)
    175       enable_shared=no
    176       # Look at the argument we got.  We use all the common list separators.
    177       lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
    178       for pkg in $enableval; do
    179 	IFS=$lt_save_ifs
    180 	if test "X$pkg" = "X$p"; then
    181 	  enable_shared=yes
    182 	fi
    183       done
    184       IFS=$lt_save_ifs
    185       ;;
    186     esac],
    187     [enable_shared=]_LT_ENABLE_SHARED_DEFAULT)
    188 
    189     _LT_DECL([build_libtool_libs], [enable_shared], [0],
    190 	[Whether or not to build shared libraries])
    191 ])# _LT_ENABLE_SHARED
    192 
    193 LT_OPTION_DEFINE([LT_INIT], [shared], [_LT_ENABLE_SHARED([yes])])
    194 LT_OPTION_DEFINE([LT_INIT], [disable-shared], [_LT_ENABLE_SHARED([no])])
    195 
    196 # Old names:
    197 AC_DEFUN([AC_ENABLE_SHARED],
    198 [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[shared])
    199 ])
    200 
    201 AC_DEFUN([AC_DISABLE_SHARED],
    202 [_LT_SET_OPTION([LT_INIT], [disable-shared])
    203 ])
    204 
    205 AU_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
    206 AU_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
    207 
    208 dnl aclocal-1.4 backwards compatibility:
    209 dnl AC_DEFUN([AM_ENABLE_SHARED], [])
    210 dnl AC_DEFUN([AM_DISABLE_SHARED], [])
    211 
    212 
    213 
    214 # _LT_ENABLE_STATIC([DEFAULT])
    215 # ----------------------------
    216 # implement the --enable-static flag, and support the 'static' and
    217 # 'disable-static' LT_INIT options.
    218 # DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
    219 m4_define([_LT_ENABLE_STATIC],
    220 [m4_define([_LT_ENABLE_STATIC_DEFAULT], [m4_if($1, no, no, yes)])dnl
    221 AC_ARG_ENABLE([static],
    222     [AS_HELP_STRING([--enable-static@<:@=PKGS@:>@],
    223 	[build static libraries @<:@default=]_LT_ENABLE_STATIC_DEFAULT[@:>@])],
    224     [p=${PACKAGE-default}
    225     case $enableval in
    226     yes) enable_static=yes ;;
    227     no) enable_static=no ;;
    228     *)
    229      enable_static=no
    230       # Look at the argument we got.  We use all the common list separators.
    231       lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
    232       for pkg in $enableval; do
    233 	IFS=$lt_save_ifs
    234 	if test "X$pkg" = "X$p"; then
    235 	  enable_static=yes
    236 	fi
    237       done
    238       IFS=$lt_save_ifs
    239       ;;
    240     esac],
    241     [enable_static=]_LT_ENABLE_STATIC_DEFAULT)
    242 
    243     _LT_DECL([build_old_libs], [enable_static], [0],
    244 	[Whether or not to build static libraries])
    245 ])# _LT_ENABLE_STATIC
    246 
    247 LT_OPTION_DEFINE([LT_INIT], [static], [_LT_ENABLE_STATIC([yes])])
    248 LT_OPTION_DEFINE([LT_INIT], [disable-static], [_LT_ENABLE_STATIC([no])])
    249 
    250 # Old names:
    251 AC_DEFUN([AC_ENABLE_STATIC],
    252 [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[static])
    253 ])
    254 
    255 AC_DEFUN([AC_DISABLE_STATIC],
    256 [_LT_SET_OPTION([LT_INIT], [disable-static])
    257 ])
    258 
    259 AU_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
    260 AU_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
    261 
    262 dnl aclocal-1.4 backwards compatibility:
    263 dnl AC_DEFUN([AM_ENABLE_STATIC], [])
    264 dnl AC_DEFUN([AM_DISABLE_STATIC], [])
    265 
    266 
    267 
    268 # _LT_ENABLE_FAST_INSTALL([DEFAULT])
    269 # ----------------------------------
    270 # implement the --enable-fast-install flag, and support the 'fast-install'
    271 # and 'disable-fast-install' LT_INIT options.
    272 # DEFAULT is either 'yes' or 'no'.  If omitted, it defaults to 'yes'.
    273 m4_define([_LT_ENABLE_FAST_INSTALL],
    274 [m4_define([_LT_ENABLE_FAST_INSTALL_DEFAULT], [m4_if($1, no, no, yes)])dnl
    275 AC_ARG_ENABLE([fast-install],
    276     [AS_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
    277     [optimize for fast installation @<:@default=]_LT_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
    278     [p=${PACKAGE-default}
    279     case $enableval in
    280     yes) enable_fast_install=yes ;;
    281     no) enable_fast_install=no ;;
    282     *)
    283       enable_fast_install=no
    284       # Look at the argument we got.  We use all the common list separators.
    285       lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
    286       for pkg in $enableval; do
    287 	IFS=$lt_save_ifs
    288 	if test "X$pkg" = "X$p"; then
    289 	  enable_fast_install=yes
    290 	fi
    291       done
    292       IFS=$lt_save_ifs
    293       ;;
    294     esac],
    295     [enable_fast_install=]_LT_ENABLE_FAST_INSTALL_DEFAULT)
    296 
    297 _LT_DECL([fast_install], [enable_fast_install], [0],
    298 	 [Whether or not to optimize for fast installation])dnl
    299 ])# _LT_ENABLE_FAST_INSTALL
    300 
    301 LT_OPTION_DEFINE([LT_INIT], [fast-install], [_LT_ENABLE_FAST_INSTALL([yes])])
    302 LT_OPTION_DEFINE([LT_INIT], [disable-fast-install], [_LT_ENABLE_FAST_INSTALL([no])])
    303 
    304 # Old names:
    305 AU_DEFUN([AC_ENABLE_FAST_INSTALL],
    306 [_LT_SET_OPTION([LT_INIT], m4_if([$1], [no], [disable-])[fast-install])
    307 AC_DIAGNOSE([obsolete],
    308 [$0: Remove this warning and the call to _LT_SET_OPTION when you put
    309 the 'fast-install' option into LT_INIT's first parameter.])
    310 ])
    311 
    312 AU_DEFUN([AC_DISABLE_FAST_INSTALL],
    313 [_LT_SET_OPTION([LT_INIT], [disable-fast-install])
    314 AC_DIAGNOSE([obsolete],
    315 [$0: Remove this warning and the call to _LT_SET_OPTION when you put
    316 the 'disable-fast-install' option into LT_INIT's first parameter.])
    317 ])
    318 
    319 dnl aclocal-1.4 backwards compatibility:
    320 dnl AC_DEFUN([AC_ENABLE_FAST_INSTALL], [])
    321 dnl AC_DEFUN([AM_DISABLE_FAST_INSTALL], [])
    322 
    323 
    324 # _LT_WITH_AIX_SONAME([DEFAULT])
    325 # ----------------------------------
    326 # implement the --with-aix-soname flag, and support the `aix-soname=aix'
    327 # and `aix-soname=both' and `aix-soname=svr4' LT_INIT options. DEFAULT
    328 # is either `aix', `both' or `svr4'.  If omitted, it defaults to `aix'.
    329 m4_define([_LT_WITH_AIX_SONAME],
    330 [m4_define([_LT_WITH_AIX_SONAME_DEFAULT], [m4_if($1, svr4, svr4, m4_if($1, both, both, aix))])dnl
    331 shared_archive_member_spec=
    332 case $host,$enable_shared in
    333 power*-*-aix[[5-9]]*,yes)
    334   AC_MSG_CHECKING([which variant of shared library versioning to provide])
    335   AC_ARG_WITH([aix-soname],
    336     [AS_HELP_STRING([--with-aix-soname=aix|svr4|both],
    337       [shared library versioning (aka "SONAME") variant to provide on AIX, @<:@default=]_LT_WITH_AIX_SONAME_DEFAULT[@:>@.])],
    338     [case $withval in
    339     aix|svr4|both)
    340       ;;
    341     *)
    342       AC_MSG_ERROR([Unknown argument to --with-aix-soname])
    343       ;;
    344     esac
    345     lt_cv_with_aix_soname=$with_aix_soname],
    346     [AC_CACHE_VAL([lt_cv_with_aix_soname],
    347       [lt_cv_with_aix_soname=]_LT_WITH_AIX_SONAME_DEFAULT)
    348     with_aix_soname=$lt_cv_with_aix_soname])
    349   AC_MSG_RESULT([$with_aix_soname])
    350   if test aix != "$with_aix_soname"; then
    351     # For the AIX way of multilib, we name the shared archive member
    352     # based on the bitwidth used, traditionally 'shr.o' or 'shr_64.o',
    353     # and 'shr.imp' or 'shr_64.imp', respectively, for the Import File.
    354     # Even when GNU compilers ignore OBJECT_MODE but need '-maix64' flag,
    355     # the AIX toolchain works better with OBJECT_MODE set (default 32).
    356     if test 64 = "${OBJECT_MODE-32}"; then
    357       shared_archive_member_spec=shr_64
    358     else
    359       shared_archive_member_spec=shr
    360     fi
    361   fi
    362   ;;
    363 *)
    364   with_aix_soname=aix
    365   ;;
    366 esac
    367 
    368 _LT_DECL([], [shared_archive_member_spec], [0],
    369     [Shared archive member basename, for filename based shared library versioning on AIX])dnl
    370 ])# _LT_WITH_AIX_SONAME
    371 
    372 LT_OPTION_DEFINE([LT_INIT], [aix-soname=aix], [_LT_WITH_AIX_SONAME([aix])])
    373 LT_OPTION_DEFINE([LT_INIT], [aix-soname=both], [_LT_WITH_AIX_SONAME([both])])
    374 LT_OPTION_DEFINE([LT_INIT], [aix-soname=svr4], [_LT_WITH_AIX_SONAME([svr4])])
    375 
    376 
    377 # _LT_WITH_PIC([MODE])
    378 # --------------------
    379 # implement the --with-pic flag, and support the 'pic-only' and 'no-pic'
    380 # LT_INIT options.
    381 # MODE is either 'yes' or 'no'.  If omitted, it defaults to 'both'.
    382 m4_define([_LT_WITH_PIC],
    383 [AC_ARG_WITH([pic],
    384     [AS_HELP_STRING([--with-pic@<:@=PKGS@:>@],
    385 	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
    386     [lt_p=${PACKAGE-default}
    387     case $withval in
    388     yes|no) pic_mode=$withval ;;
    389     *)
    390       pic_mode=default
    391       # Look at the argument we got.  We use all the common list separators.
    392       lt_save_ifs=$IFS; IFS=$IFS$PATH_SEPARATOR,
    393       for lt_pkg in $withval; do
    394 	IFS=$lt_save_ifs
    395 	if test "X$lt_pkg" = "X$lt_p"; then
    396 	  pic_mode=yes
    397 	fi
    398       done
    399       IFS=$lt_save_ifs
    400       ;;
    401     esac],
    402     [pic_mode=m4_default([$1], [default])])
    403 
    404 _LT_DECL([], [pic_mode], [0], [What type of objects to build])dnl
    405 ])# _LT_WITH_PIC
    406 
    407 LT_OPTION_DEFINE([LT_INIT], [pic-only], [_LT_WITH_PIC([yes])])
    408 LT_OPTION_DEFINE([LT_INIT], [no-pic], [_LT_WITH_PIC([no])])
    409 
    410 # Old name:
    411 AU_DEFUN([AC_LIBTOOL_PICMODE],
    412 [_LT_SET_OPTION([LT_INIT], [pic-only])
    413 AC_DIAGNOSE([obsolete],
    414 [$0: Remove this warning and the call to _LT_SET_OPTION when you
    415 put the 'pic-only' option into LT_INIT's first parameter.])
    416 ])
    417 
    418 dnl aclocal-1.4 backwards compatibility:
    419 dnl AC_DEFUN([AC_LIBTOOL_PICMODE], [])
    420 
    421 ## ----------------- ##
    422 ## LTDL_INIT Options ##
    423 ## ----------------- ##
    424 
    425 m4_define([_LTDL_MODE], [])
    426 LT_OPTION_DEFINE([LTDL_INIT], [nonrecursive],
    427 		 [m4_define([_LTDL_MODE], [nonrecursive])])
    428 LT_OPTION_DEFINE([LTDL_INIT], [recursive],
    429 		 [m4_define([_LTDL_MODE], [recursive])])
    430 LT_OPTION_DEFINE([LTDL_INIT], [subproject],
    431 		 [m4_define([_LTDL_MODE], [subproject])])
    432 
    433 m4_define([_LTDL_TYPE], [])
    434 LT_OPTION_DEFINE([LTDL_INIT], [installable],
    435 		 [m4_define([_LTDL_TYPE], [installable])])
    436 LT_OPTION_DEFINE([LTDL_INIT], [convenience],
    437 		 [m4_define([_LTDL_TYPE], [convenience])])
    438