configure.ac
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Jan 16 23:36:42 2012 +0100 (2012-01-16)
changeset 2838 822af73497bf
parent 2835 0a2fa748727e
child 2839 8e8313e40f8a
permissions -rw-r--r--
scripts: fix tools override

The tools found by the new autostuff configure can contain arguments,
for example: grep -E

This needs separating the paths set for the Makfile from the paths
set for the scripts.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 #                                               -*- Autoconf -*-
     2 # Process this file with autoconf to produce a configure script.
     3 
     4 AC_PREREQ([2.67])
     5 #AC_INIT([crosstool-NG], [hg], [crossgcc@sourceware.org])
     6 AC_INIT([crosstool-NG], [m4_esyscmd_s([cat .version])], [crossgcc@sourceware.org])
     7 AC_CONFIG_AUX_DIR([scripts])
     8 
     9 #--------------------------------------------------------------------
    10 # A few helper macros
    11 
    12 # Check for required tool
    13 AC_DEFUN(
    14     [ACX_CHECK_TOOL_REQ],
    15     [AC_CHECK_TOOLS([$1], [$2])
    16      AS_IF(
    17         [test -z "$$1"],
    18         [AC_MSG_ERROR([missing required tool: $2])])
    19     ])
    20 
    21 # Check for required tool, set variable to full pathname
    22 AC_DEFUN(
    23     [ACX_PATH_TOOL_REQ],
    24     [ACX_CHECK_TOOL_REQ([$1], [$2])
    25      AS_CASE(
    26         [$$1],
    27         [/*],,
    28         [?*],[AC_MSG_CHECKING([for absolute path to $$1])
    29               $1=$(which $$1)
    30               AC_MSG_RESULT([$$1])])])
    31 
    32 # Check for required program
    33 AC_DEFUN(
    34     [ACX_CHECK_PROGS_REQ],
    35     [AC_CHECK_PROGS([$1], [$2])
    36      AS_IF(
    37         [test -z "$$1"],
    38         [AC_MSG_ERROR([missing required tool: $2])])
    39     ])
    40 
    41 # Check for path to required program
    42 AC_DEFUN(
    43     [ACX_PATH_PROGS_REQ],
    44     [AC_PATH_PROGS([$1], [$2])
    45      AS_IF(
    46         [test -z "$$1"],
    47         [AC_MSG_ERROR([missing required tool: $2])])
    48     ])
    49 
    50 # Set the kconfig option
    51 AC_DEFUN(
    52     [ACX_SET_KCONFIG_OPTION],
    53     [AS_IF(
    54         [test -n "$$1"],
    55         [kconfig_options="$kconfig_options $1=y"],
    56         [kconfig_options="$kconfig_options $1"])
    57     ])
    58 
    59 #--------------------------------------------------------------------
    60 # Allow dummy --{en,dis}able-{static,shared}
    61 AC_ARG_ENABLE(
    62     [local],
    63     [AS_HELP_STRING(
    64         [--enable-local],
    65         [don't install, and use current directory])])
    66 AC_SUBST([enable_local], [${enable_local:-no}])
    67 AC_ARG_ENABLE(
    68     [shared],
    69     [AS_HELP_STRING(
    70         [--enable-shared],
    71         [build shared libraries (default=yes) (ignored)])])
    72 AC_ARG_ENABLE(
    73     [static],
    74     [AS_HELP_STRING(
    75         [--enable-static],
    76         [build static libraries (default=yes) (ignored)])])
    77 
    78 #---------------------------------------------------------------------
    79 # Check for --build and --host...
    80 AC_CANONICAL_BUILD
    81 AC_CANONICAL_HOST
    82 # ... but refuse --target
    83 AS_IF([test -n "$target_alias"],
    84       AC_MSG_ERROR([--target is not allowed]))
    85 
    86 # Allow program name tranformation (--program-{prefix,suffix,transform-name})
    87 AC_ARG_PROGRAM
    88 
    89 #---------------------------------------------------------------------
    90 # Initial checks that are usually done first (I don't know why, that's
    91 # just what I seem to experience...)
    92 #---------------------------------------------------------------------
    93 AC_PROG_INSTALL
    94 AC_PROG_EGREP
    95 AC_CACHE_VAL([ac_cv_path_SED],
    96     [AC_ARG_WITH([sed],
    97         AS_HELP_STRING([--with-sed=PATH],
    98                        [Specify the full PATH to sed]),
    99         [ac_cv_path_SED=$withval])])
   100 AC_PROG_SED
   101 AC_MSG_CHECKING([whether sed understands -r -i -e])
   102 touch .ct-ng.sed.test
   103 if ${SED} -r -i -e 's/foo/bar/' .ct-ng.sed.test >/dev/null 2>&1; then
   104     rm -f .ct-ng.sed.test
   105     AC_MSG_RESULT([yes])
   106 else
   107     rm -f .ct-ng.sed.test
   108     AC_MSG_RESULT([no])
   109     AC_MSG_ERROR()
   110 fi
   111 AC_PROG_LN_S
   112 
   113 #--------------------------------------------------------------------
   114 # A bunch of boring tests...
   115 #--------------------------------------------------------------------
   116 AC_PROG_CC
   117 AS_IF([test -z "$CC"],
   118       [AC_MSG_ERROR([no suitable compiler found])])
   119 AC_PROG_CPP
   120 AC_PROG_RANLIB
   121 ACX_PATH_TOOL_REQ([OBJCOPY], [objcopy])
   122 ACX_PATH_TOOL_REQ([OBJDUMP], [objdump])
   123 ACX_PATH_TOOL_REQ([READELF], [readelf])
   124 
   125 ACX_CHECK_PROGS_REQ([bison], [bison])
   126 ACX_CHECK_PROGS_REQ([flex], [flex])
   127 ACX_CHECK_PROGS_REQ([gperf], [gperf])
   128 ACX_CHECK_PROGS_REQ([awk], [gawk mawk nawk awk])
   129 ACX_CHECK_PROGS_REQ([makeinfo], [makeinfo])
   130 ACX_CHECK_PROGS_REQ([cut], [cut])
   131 ACX_CHECK_PROGS_REQ([stat], [stat])
   132 ACX_CHECK_PROGS_REQ([readlink], [readlink])
   133 ACX_CHECK_PROGS_REQ([curl], [curl])
   134 ACX_CHECK_PROGS_REQ([tar], [tar])
   135 ACX_CHECK_PROGS_REQ([gzip], [gzip])
   136 ACX_CHECK_PROGS_REQ([bzip2], [bzip2])
   137 
   138 #--------------------------------------------------------------------
   139 # Still boring, but remember the path, now...
   140 #--------------------------------------------------------------------
   141 ACX_PATH_PROGS_REQ([PATCH], [patch])
   142 
   143 #--------------------------------------------------------------------
   144 # And a bunch of less boring tests...
   145 #--------------------------------------------------------------------
   146 # We need a bash that is >= 3.1
   147 AC_CACHE_VAL([ac_cv_path__BASH],
   148     [AC_ARG_WITH([bash],
   149         AS_HELP_STRING([--with-bash=PATH],
   150                        [Specify the full PATH to bash >= 3.1]),
   151         [ac_cv_path__BASH=$withval])])
   152 AC_CACHE_CHECK([for bash >= 3.1], [ac_cv_path__BASH],
   153     [AC_PATH_PROGS_FEATURE_CHECK([_BASH], [bash],
   154         [[_BASH_ver=$($ac_path__BASH --version 2>&1 \
   155                      |$EGREP '^GNU bash, version (3\.[1-9]|4)')
   156           test -n "$_BASH_ver" && ac_cv_path__BASH=$ac_path__BASH ac_path__BASH_found=:]],
   157         [AC_MSG_RESULT([no])
   158          AC_MSG_ERROR([could not find bash >= 3.1])])])
   159 AC_SUBST([_BASH], [$ac_cv_path__BASH])
   160 
   161 #----------------------------------------
   162 # Check for GNU make 3.80 or above
   163 AC_CACHE_VAL([ac_cv_path_MAKE],
   164     [AC_ARG_WITH([make],
   165         AS_HELP_STRING([--with-make=PATH],
   166                        [Specify the full PATH to GNU make >= 3.80]),
   167         [ac_cv_path_MAKE=$withval])])
   168 AC_CACHE_CHECK([for GNU make >= 3.80], [ac_cv_path_MAKE],
   169     [AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake],
   170         [[MAKE_ver=$($ac_path_MAKE --version 2>&1 \
   171                      |$EGREP '^GNU Make (3.[89][[:digit:]]|[4-9])')
   172           test -n "$MAKE_ver" && ac_cv_path_MAKE=$ac_path_MAKE ac_path_MAKE_found=:]],
   173         [AC_MSG_RESULT([no])
   174          AC_MSG_ERROR([could not find GNU make >= 3.80])])])
   175 AC_SUBST([MAKE], [$ac_cv_path_MAKE])
   176 AC_PROG_MAKE_SET
   177 
   178 #----------------------------------------
   179 # Check for libtool >= 1.5.26
   180 AC_CACHE_VAL([ac_cv_path_LIBTOOL],
   181     [AC_ARG_WITH([libtool],
   182         AS_HELP_STRING([--with-libtool=PATH],
   183                        [Specify the full PATH to GNU libtool >= 1.5.26]),
   184         [ac_cv_path_LIBTOOL=$withval])])
   185 AC_CACHE_CHECK([for GNU libtool >= 1.5.26], [ac_cv_path_LIBTOOL],
   186     [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOL], [libtool],
   187         [[LIBTOOL_ver=$($ac_path_LIBTOOL --version 2>&1 \
   188                         |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
   189           test -n "$LIBTOOL_ver" && ac_cv_path_LIBTOOL=$ac_path_LIBTOOL ac_path_LIBTOOL_found=:]],
   190         [AC_MSG_RESULT([no])
   191          AC_MSG_ERROR([could not find GNU libtool >= 1.5.26])])])
   192 AC_SUBST([LIBTOOL], [$ac_cv_path_LIBTOOL])
   193 
   194 #----------------------------------------
   195 # Check for libtoolize >= 1.5.26
   196 AC_CACHE_VAL([ac_cv_path_LIBTOOLIZE],
   197     [AC_ARG_WITH([libtoolize],
   198         AS_HELP_STRING([--with-libtoolize=PATH],
   199                        [Specify the full PATH to GNU libtoolize >= 1.5.26]),
   200         [ac_cv_path_LIBTOOLIZE=$withval])])
   201 AC_CACHE_CHECK([for GNU libtoolize >= 1.5.26], [ac_cv_path_LIBTOOLIZE],
   202     [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOLIZE], [libtool],
   203         [[LIBTOOLIZE_ver=$($ac_path_LIBTOOLIZE --version 2>&1 \
   204                         |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
   205           test -n "$LIBTOOLIZE_ver" && ac_cv_path_LIBTOOLIZE=$ac_path_LIBTOOLIZE ac_path_LIBTOOLIZE_found=:]],
   206         [AC_MSG_RESULT([no])
   207          AC_MSG_ERROR([could not find GNU libtoolize >= 1.5.26])])])
   208 AC_SUBST([LIBTOOLIZE], [$ac_cv_path_LIBTOOLIZE])
   209 
   210 #----------------------------------------
   211 # Check for automake >= 1.10
   212 AC_CACHE_VAL([ac_cv_path_automake],
   213     [AC_ARG_WITH([automake],
   214         AS_HELP_STRING([--with-automake=PATH],
   215                        [Specify the full PATH to GNU automake >= 1.10]),
   216         [ac_cv_path_automake=$withval])])
   217 AC_CACHE_CHECK([for GNU automake >= 1.10], [ac_cv_path_automake],
   218     [AC_PATH_PROGS_FEATURE_CHECK([automake], [automake],
   219         [[automake_ver=$($ac_path_automake --version 2>&1 \
   220                          |$EGREP '\(GNU automake\) (1\.[[:digit:]]{2,}|[2-9][[:digit:]]*\.)')
   221           test -n "$automake_ver" && ac_cv_path_automake=$ac_path_automake ac_path_automake_found=:]],
   222         [AC_MSG_RESULT([no])
   223          AC_MSG_ERROR([could not find GNU automake >= 1.10])])])
   224 AC_SUBST([automake], [$ac_cv_path_automake])
   225 
   226 #--------------------------------------------------------------------
   227 # Boring again... But still a bit of work to do...
   228 #--------------------------------------------------------------------
   229 AC_SUBST([kconfig_options])
   230 
   231 #----------------------------------------
   232 AC_CHECK_PROGS([xz],   [xz])
   233 ACX_SET_KCONFIG_OPTION([xz])
   234 AS_IF(
   235     [test -z "$xz"],
   236     [AC_CHECK_PROGS([lzma], [lzma])])
   237 ACX_SET_KCONFIG_OPTION([lzma])
   238 
   239 #----------------------------------------
   240 AC_CHECK_PROGS([cvs], [cvs])
   241 ACX_SET_KCONFIG_OPTION([cvs])
   242 
   243 #----------------------------------------
   244 AC_CHECK_PROGS([svn], [svn])
   245 ACX_SET_KCONFIG_OPTION([svn])
   246 
   247 #--------------------------------------------------------------------
   248 # Now, for some fun...
   249 #--------------------------------------------------------------------
   250 AC_C_INLINE
   251 AC_HEADER_STDC
   252 AC_FUNC_MALLOC
   253 AC_FUNC_REALLOC
   254 AC_FUNC_ALLOCA
   255 
   256 #----------------------------------------
   257 # Check for gettext, for the kconfig frontends
   258 AC_SUBST([gettext])
   259 AC_CHECK_HEADERS(
   260     [libintl.h],
   261     [ac_ct_gettext_hdr=$ac_header; break])
   262 AS_IF(
   263     [test -n "$ac_ct_gettext_hdr"],
   264     [AC_CHECK_DECL(
   265         [gettext],gettext=y,,
   266         [#include <$ac_ct_gettext_hdr>])])
   267 
   268 #----------------------------------------
   269 # Check for ncurses, for the kconfig frontends
   270 AC_SUBST([ac_ct_curses_hdr])
   271 AC_CHECK_HEADERS(
   272     [ncurses/ncurses.h ncurses/curses.h ncursesw/curses.h ncurses.h curses.h],
   273     [ac_ct_curses_hdr=$ac_header; break])
   274 AS_IF(
   275     [test -z "$ac_ct_curses_hdr"],
   276     [AC_MSG_ERROR([could not find curses header, required for the kconfig frontends])])
   277 AC_SEARCH_LIBS(
   278     [initscr],
   279     [ncursesw ncurses curses],
   280     [ac_ct_curses_lib_found=yes; break])
   281 AS_IF(
   282     [test -z "$ac_ct_curses_lib_found"],
   283     [AC_MSG_ERROR([could not find curses library, required for the kconfig frontends])])
   284 
   285 #--------------------------------------------------------------------
   286 # Lastly, take care of crosstool-NG internal values
   287 #--------------------------------------------------------------------
   288 # Hey! We need the date! :-)
   289 AC_SUBST(
   290     [DATE],
   291     [$(date +%Y%m%d)])
   292 
   293 # Decorate the version string if needed
   294 AS_IF(
   295     [test -f version.sh -a -x version.sh],
   296     [V=$(./version.sh "${PACKAGE_VERSION}")])
   297 AS_IF(
   298     [test -n "${V}"],
   299     [PACKAGE_VERSION="${V}"],
   300     [AS_CASE(
   301         [${PACKAGE_VERSION}],
   302         [hg|*+hg],
   303         [rev_id="$( hg log -r . --template '{branch}-{node|short}\n' \
   304                            2>/dev/null                               \
   305                     || true                                          )"
   306          PACKAGE_VERSION="${PACKAGE_VERSION}@${rev_id:-unknown-$( date +%Y%m%d.%H%M%S )}"
   307         ])])
   308 # Arrange to have no / in the directory name, no need to create an
   309 # arbitrarily deep directory structure
   310 [PACKAGE_VERSION="$( printf "${PACKAGE_VERSION}\n" |"${SED}" -r -e 's:/+:_:g;' )"]
   311 
   312 # Handle the local case
   313 AC_SUBST([sublibdir])
   314 AC_SUBST([subdocdir])
   315 AS_IF(
   316     [test "x$enable_local" = "xyes"],
   317     [AC_MSG_NOTICE([overiding all of --prefix and the likes, because --enable-local was set])
   318      prefix=$(pwd)
   319      exec_prefix="$prefix"
   320      bindir="$prefix"
   321      libdir="$prefix"
   322      sublibdir=""
   323      docdir="$prefix""/docs"
   324      subdocdir=""
   325      datarootdir="$prefix"
   326      mandir="$docdir"],
   327     [sublibdir="/ct-ng.\${VERSION}"
   328      subdocdir="/ct-ng.\${VERSION}"])
   329 
   330 #--------------------------------------------------------------------
   331 # Finally, generate the output file(s)
   332 #--------------------------------------------------------------------
   333 AC_CONFIG_FILES([Makefile])
   334 AC_OUTPUT
   335 
   336 
   337 
   338 # AC_CONFIG_SRCDIR([kconfig/menu.c])
   339 # AC_CONFIG_HEADERS([config.h])
   340 # 
   341 # # Checks for programs.
   342 # 
   343 # # Checks for libraries.
   344 # 
   345 # # Checks for header files.
   346 # AC_CHECK_HEADERS([fcntl.h inttypes.h libintl.h limits.h locale.h malloc.h stddef.h stdlib.h string.h sys/time.h unistd.h])
   347 # 
   348 # # Checks for typedefs, structures, and compiler characteristics.
   349 # AC_HEADER_STDBOOL
   350 # AC_TYPE_INT16_T
   351 # AC_TYPE_INT32_T
   352 # AC_TYPE_INT8_T
   353 # AC_TYPE_SIZE_T
   354 # AC_TYPE_UINT16_T
   355 # AC_TYPE_UINT32_T
   356 # AC_TYPE_UINT8_T
   357 # 
   358 # # Checks for library functions.
   359 # AC_FUNC_MALLOC
   360 # AC_FUNC_REALLOC
   361 # AC_CHECK_FUNCS([bzero gettimeofday memmove memset mkdir regcomp setlocale strcasecmp strchr strcspn strdup strncasecmp strpbrk strrchr strspn strtol uname])
   362 # 
   363 # AC_OUTPUT