2 # Process this file with autoconf to produce a configure script.
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])
9 #--------------------------------------------------------------------
12 # Check for required tool
15 [AC_CHECK_TOOLS([$1], [$2])
18 [AC_MSG_ERROR([missing required tool: $2])])
21 # Check for required tool, set variable to full pathname
24 [ACX_CHECK_TOOL_REQ([$1], [$2])
28 [?*],[AC_MSG_CHECKING([for absolute path to $$1])
30 AC_MSG_RESULT([$$1])])])
32 # Check for required program
34 [ACX_CHECK_PROGS_REQ],
35 [AC_CHECK_PROGS([$1], [$2])
38 [AC_MSG_ERROR([missing required tool: $2])])
41 # Check for path to required program
44 [AC_PATH_PROGS([$1], [$2])
47 [AC_MSG_ERROR([missing required tool: $2])])
50 # Set the kconfig option
52 [ACX_SET_KCONFIG_OPTION],
55 [kconfig_options="$kconfig_options has_$1=y"],
56 [kconfig_options="$kconfig_options has_$1"])
59 #--------------------------------------------------------------------
60 # Allow dummy --{en,dis}able-{static,shared}
65 [don't install, and use current directory])])
66 AC_SUBST([enable_local], [${enable_local:-no}])
71 [build shared libraries (default=yes) (ignored)])])
76 [build static libraries (default=yes) (ignored)])])
78 #---------------------------------------------------------------------
79 # Check for --build and --host...
82 # ... but refuse --target
83 AS_IF([test -n "$target_alias"],
84 AC_MSG_ERROR([--target is not allowed]))
86 # Allow program name tranformation (--program-{prefix,suffix,transform-name})
89 #---------------------------------------------------------------------
90 # Initial checks that are usually done first (I don't know why, that's
91 # just what I seem to experience...)
92 #---------------------------------------------------------------------
93 AC_ARG_WITH([install],
94 AS_HELP_STRING([--with-install=PATH],
95 [Specify the full PATH to a BSD-compatible install]),
101 [test ! "$EGREP" = "$GREP -E"],
102 [AC_MSG_ERROR([egrep is not $GREP -E])])
103 AC_CACHE_VAL([ac_cv_path_SED],
105 AS_HELP_STRING([--with-sed=PATH],
106 [Specify the full PATH to GNU sed]),
107 [ac_cv_path_SED=$withval])])
109 AC_MSG_CHECKING([whether sed understands -r -i -e])
110 touch .ct-ng.sed.test
111 if ${SED} -r -i -e 's/foo/bar/' .ct-ng.sed.test >/dev/null 2>&1; then
112 rm -f .ct-ng.sed.test
115 rm -f .ct-ng.sed.test
121 #--------------------------------------------------------------------
122 # A bunch of boring tests...
123 #--------------------------------------------------------------------
125 AS_IF([test -z "$CC"],
126 [AC_MSG_ERROR([no suitable compiler found])])
129 # But we still need a way to specify the PATH to GNU versions (Damn MacOS)
130 AC_ARG_WITH([objcopy],
131 AS_HELP_STRING([--with-objcopy=PATH],
132 [Specify the full PATH to GNU objcopy]),
134 AC_ARG_WITH([objdump],
135 AS_HELP_STRING([--with-objdump=PATH],
136 [Specify the full PATH to GNU objdump]),
138 AC_ARG_WITH([ranlib],
139 AS_HELP_STRING([--with-ranlib=PATH],
140 [Specify the full PATH to GNU ranlib]),
142 AC_ARG_WITH([readelf],
143 AS_HELP_STRING([--with-readelf=PATH],
144 [Specify the full PATH to GNU readelf]),
147 AS_HELP_STRING([--with-gperf=PATH],
148 [Specify the full PATH to GNU gperf]),
152 ACX_PATH_TOOL_REQ([OBJCOPY], [objcopy])
153 ACX_PATH_TOOL_REQ([OBJDUMP], [objdump])
154 ACX_PATH_TOOL_REQ([READELF], [readelf])
155 ACX_PATH_TOOL_REQ([GPERF], [gperf])
157 ACX_CHECK_PROGS_REQ([bison], [bison])
158 ACX_CHECK_PROGS_REQ([flex], [flex])
159 ACX_CHECK_PROGS_REQ([makeinfo], [makeinfo])
160 ACX_CHECK_PROGS_REQ([cut], [cut])
161 ACX_CHECK_PROGS_REQ([stat], [stat])
162 ACX_CHECK_PROGS_REQ([readlink], [readlink])
163 ACX_CHECK_PROGS_REQ([wget], [wget])
164 ACX_CHECK_PROGS_REQ([tar], [tar])
165 ACX_CHECK_PROGS_REQ([gzip], [gzip])
166 ACX_CHECK_PROGS_REQ([bzip2], [bzip2])
168 #--------------------------------------------------------------------
169 # Still boring, but remember the path, now...
170 #--------------------------------------------------------------------
171 ACX_PATH_PROGS_REQ([PATCH], [patch])
173 #--------------------------------------------------------------------
174 # And a bunch of less boring tests...
175 #--------------------------------------------------------------------
176 # We need a bash that is >= 3.1
177 AC_CACHE_VAL([ac_cv_path__BASH],
179 AS_HELP_STRING([--with-bash=PATH],
180 [Specify the full PATH to GNU bash >= 3.1]),
181 [ac_cv_path__BASH=$withval])])
182 AC_CACHE_CHECK([for bash >= 3.1], [ac_cv_path__BASH],
183 [AC_PATH_PROGS_FEATURE_CHECK([_BASH], [bash],
184 [[_BASH_ver=$($ac_path__BASH --version 2>&1 \
185 |$EGREP '^GNU bash, version (3\.[1-9]|4)')
186 test -n "$_BASH_ver" && ac_cv_path__BASH=$ac_path__BASH ac_path__BASH_found=:]],
188 AC_MSG_ERROR([could not find bash >= 3.1])])])
189 AC_SUBST([_BASH], [$ac_cv_path__BASH])
191 # We need a awk that *is* GNU awk
192 AC_CACHE_VAL([ac_cv_path__AWK],
194 AS_HELP_STRING([--with-awk=PATH],
195 [Specify the full PATH to GNU awk]),
196 [ac_cv_path__AWK=$withval])])
197 AC_CACHE_CHECK([for GNU awk], [ac_cv_path__AWK],
198 [AC_PATH_PROGS_FEATURE_CHECK([_AWK], [awk gawk],
199 [[_AWK_ver=$($ac_path__AWK --version 2>&1 \
201 test -n "$_AWK_ver" && ac_cv_path__AWK=$ac_path__AWK ac_path__AWK_found=:]],
203 AC_MSG_ERROR([could not find GNU awk])])])
204 AC_SUBST([_AWK], [$ac_cv_path__AWK])
206 #----------------------------------------
207 # Check for GNU make 3.80 or above
208 AC_CACHE_VAL([ac_cv_path_MAKE],
210 AS_HELP_STRING([--with-make=PATH],
211 [Specify the full PATH to GNU make >= 3.80]),
212 [ac_cv_path_MAKE=$withval])])
213 AC_CACHE_CHECK([for GNU make >= 3.80], [ac_cv_path_MAKE],
214 [AC_PATH_PROGS_FEATURE_CHECK([MAKE], [make gmake],
215 [[MAKE_ver=$($ac_path_MAKE --version 2>&1 \
216 |$EGREP '^GNU Make (3.[89][[:digit:]]|[4-9])')
217 test -n "$MAKE_ver" && ac_cv_path_MAKE=$ac_path_MAKE ac_path_MAKE_found=:]],
219 AC_MSG_ERROR([could not find GNU make >= 3.80])])])
220 AC_SUBST([MAKE], [$ac_cv_path_MAKE])
223 #----------------------------------------
224 # Check for libtool >= 1.5.26
225 AC_CACHE_VAL([ac_cv_path_LIBTOOL],
226 [AC_ARG_WITH([libtool],
227 AS_HELP_STRING([--with-libtool=PATH],
228 [Specify the full PATH to GNU libtool >= 1.5.26]),
229 [ac_cv_path_LIBTOOL=$withval])])
230 AC_CACHE_CHECK([for GNU libtool >= 1.5.26], [ac_cv_path_LIBTOOL],
231 [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOL], [libtool],
232 [[LIBTOOL_ver=$($ac_path_LIBTOOL --version 2>&1 \
233 |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
234 test -n "$LIBTOOL_ver" && ac_cv_path_LIBTOOL=$ac_path_LIBTOOL ac_path_LIBTOOL_found=:]],
236 AC_MSG_ERROR([could not find GNU libtool >= 1.5.26])])])
237 AC_SUBST([LIBTOOL], [$ac_cv_path_LIBTOOL])
239 #----------------------------------------
240 # Check for libtoolize >= 1.5.26
241 AC_CACHE_VAL([ac_cv_path_LIBTOOLIZE],
242 [AC_ARG_WITH([libtoolize],
243 AS_HELP_STRING([--with-libtoolize=PATH],
244 [Specify the full PATH to GNU libtoolize >= 1.5.26]),
245 [ac_cv_path_LIBTOOLIZE=$withval])])
246 AC_CACHE_CHECK([for GNU libtoolize >= 1.5.26], [ac_cv_path_LIBTOOLIZE],
247 [AC_PATH_PROGS_FEATURE_CHECK([LIBTOOLIZE], [libtoolize],
248 [[LIBTOOLIZE_ver=$($ac_path_LIBTOOLIZE --version 2>&1 \
249 |$EGREP '\(GNU libtool.*\) (2[[:digit:]]*\.|1\.6[[:digit:]]*\.|1\.5\.[2-9][[:digit:]]+)')
250 test -n "$LIBTOOLIZE_ver" && ac_cv_path_LIBTOOLIZE=$ac_path_LIBTOOLIZE ac_path_LIBTOOLIZE_found=:]],
252 AC_MSG_ERROR([could not find GNU libtoolize >= 1.5.26])])])
253 AC_SUBST([LIBTOOLIZE], [$ac_cv_path_LIBTOOLIZE])
255 #----------------------------------------
256 # Check for automake >= 1.10
257 AC_CACHE_VAL([ac_cv_path_automake],
258 [AC_ARG_WITH([automake],
259 AS_HELP_STRING([--with-automake=PATH],
260 [Specify the full PATH to GNU automake >= 1.10]),
261 [ac_cv_path_automake=$withval])])
262 AC_CACHE_CHECK([for GNU automake >= 1.10], [ac_cv_path_automake],
263 [AC_PATH_PROGS_FEATURE_CHECK([automake], [automake],
264 [[automake_ver=$($ac_path_automake --version 2>&1 \
265 |$EGREP '\(GNU automake\) (1\.[[:digit:]]{2,}|[2-9][[:digit:]]*\.)')
266 test -n "$automake_ver" && ac_cv_path_automake=$ac_path_automake ac_path_automake_found=:]],
268 AC_MSG_ERROR([could not find GNU automake >= 1.10])])])
269 AC_SUBST([automake], [$ac_cv_path_automake])
271 #--------------------------------------------------------------------
272 # Boring again... But still a bit of work to do...
273 #--------------------------------------------------------------------
274 AC_SUBST([kconfig_options])
276 #----------------------------------------
277 AC_CHECK_PROGS([xz], [xz])
278 ACX_SET_KCONFIG_OPTION([xz])
281 [AC_CHECK_PROGS([lzma], [lzma])])
282 ACX_SET_KCONFIG_OPTION([lzma])
284 #----------------------------------------
285 AC_CHECK_PROGS([cvs], [cvs])
286 ACX_SET_KCONFIG_OPTION([cvs])
288 #----------------------------------------
289 AC_CHECK_PROGS([svn], [svn])
290 ACX_SET_KCONFIG_OPTION([svn])
292 #--------------------------------------------------------------------
293 # Now, for some fun...
294 #--------------------------------------------------------------------
301 #----------------------------------------
302 # Check for gettext, for the kconfig frontends
306 [ac_ct_gettext_hdr=$ac_header; break])
308 [test -n "$ac_ct_gettext_hdr"],
312 [AC_INCLUDES_DEFAULT()
313 #include <$ac_ct_gettext_hdr>])])
315 #----------------------------------------
316 # Check for ncurses, for the kconfig frontends
317 AC_SUBST([ac_ct_curses_hdr])
319 [ncurses/ncurses.h ncurses/curses.h ncursesw/curses.h ncurses.h curses.h],
320 [ac_ct_curses_hdr=$ac_header; break])
322 [test -z "$ac_ct_curses_hdr"],
323 [AC_MSG_ERROR([could not find curses header, required for the kconfig frontends])])
326 [ncursesw ncurses curses],
327 [ac_ct_curses_lib_found=yes; break])
329 [test -z "$ac_ct_curses_lib_found"],
330 [AC_MSG_ERROR([could not find curses library, required for the kconfig frontends])])
332 #--------------------------------------------------------------------
333 # Lastly, take care of crosstool-NG internal values
334 #--------------------------------------------------------------------
335 # Hey! We need the date! :-)
340 # Decorate the version string if needed
342 [test -f version.sh -a -x version.sh],
343 [V=$(./version.sh "${PACKAGE_VERSION}")])
346 [PACKAGE_VERSION="${V}"],
348 [${PACKAGE_VERSION}],
350 [rev_id="$( hg log -r . --template '{branch}-{node|short}\n' \
353 PACKAGE_VERSION="${PACKAGE_VERSION}+${rev_id:-unknown-$( date +%Y%m%d.%H%M%S )}"
355 # Arrange to have no / in the directory name, no need to create an
356 # arbitrarily deep directory structure
357 [PACKAGE_VERSION="$( printf "${PACKAGE_VERSION}\n" |"${SED}" -r -e 's:/+:_:g;' )"]
359 # Handle the local case
360 AC_SUBST([sublibdir])
361 AC_SUBST([subdocdir])
363 [test "x$enable_local" = "xyes"],
364 [AC_MSG_NOTICE([overiding all of --prefix and the likes, because --enable-local was set])
366 exec_prefix="$prefix"
370 docdir="$prefix""/docs"
372 datarootdir="$prefix"
374 [sublibdir="/ct-ng.\${VERSION}"
375 subdocdir="/ct-ng.\${VERSION}"])
377 #--------------------------------------------------------------------
378 # Finally, generate the output file(s)
379 #--------------------------------------------------------------------
380 AC_CONFIG_FILES([Makefile])