b82a84122383ee12be68ebefb362e8b4f20a2e9d
[hivex.git] / configure.ac
1 # hivex
2 # Copyright (C) 2009-2011 Red Hat Inc.
3 #
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2 of the License, or
7 # (at your option) any later version.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18 # major/minor/release must be numbers
19 m4_define([hivex_major],   [1])
20 m4_define([hivex_minor],   [2])
21 m4_define([hivex_release], [5])
22 # extra can be any string
23 m4_define([hivex_extra],   [])
24
25 AC_INIT([hivex],hivex_major.hivex_minor.hivex_release[]hivex_extra)
26 AC_CONFIG_AUX_DIR([build-aux])
27 AM_INIT_AUTOMAKE([foreign])
28
29 m4_ifndef([AM_SILENT_RULES], [m4_define([AM_SILENT_RULES],[])])
30 AM_SILENT_RULES([yes]) # make --enable-silent-rules the default.
31
32 AC_CONFIG_MACRO_DIR([m4])
33
34 dnl Split up the version string.
35 AC_DEFINE([PACKAGE_VERSION_MAJOR],[hivex_major],[Major version number])
36 AC_DEFINE([PACKAGE_VERSION_MINOR],[hivex_minor],[Minor version number])
37 AC_DEFINE([PACKAGE_VERSION_RELEASE],[hivex_release],[Release number])
38 AC_DEFINE([PACKAGE_VERSION_EXTRA],["hivex_extra"],[Extra version string])
39
40 gl_EARLY
41 gl_INIT
42
43 AC_PROG_LIBTOOL
44
45 dnl Check for basic C environment.
46 AC_PROG_CC_STDC
47 AC_PROG_INSTALL
48 AC_PROG_CPP
49
50 AC_ARG_ENABLE([gcc-warnings],
51   [AS_HELP_STRING([--enable-gcc-warnings],
52                   [turn on lots of GCC warnings (for developers)])],
53   [case $enableval in
54      yes|no) ;;
55      *)      AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
56    esac
57    gl_gcc_warnings=$enableval],
58   [gl_gcc_warnings=no]
59 )
60
61 if test "$gl_gcc_warnings" = yes; then
62   gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
63   AC_SUBST([WERROR_CFLAGS])
64
65   nw=
66   # This, $nw, is the list of warnings we disable.
67   nw="$nw -Wdeclaration-after-statement" # too useful to forbid
68   nw="$nw -Waggregate-return"       # anachronistic
69   nw="$nw -Wc++-compat"             # We don't care about C++ compilers
70   nw="$nw -Wundef"                  # Warns on '#if GNULIB_FOO' etc in gnulib
71   nw="$nw -Wtraditional"            # Warns on #elif which we use often
72   nw="$nw -Wcast-qual"              # Too many warnings for now
73   nw="$nw -Wconversion"             # Too many warnings for now
74   nw="$nw -Wsystem-headers"         # Don't let system headers trigger warnings
75   nw="$nw -Wsign-conversion"        # Too many warnings for now
76   nw="$nw -Wtraditional-conversion" # Too many warnings for now
77   nw="$nw -Wunreachable-code"       # Too many warnings for now
78   nw="$nw -Wpadded"                 # Our structs are not padded
79   nw="$nw -Wredundant-decls"        # openat.h declares e.g., mkdirat
80   nw="$nw -Wlogical-op"             # any use of fwrite provokes this
81   nw="$nw -Wvla"                    # two warnings in mount.c
82   # things I might fix soon:
83   nw="$nw -Wmissing-format-attribute" # daemon.h's asprintf_nowarn
84   nw="$nw -Winline"                 # daemon.h's asprintf_nowarn
85   nw="$nw -Wshadow"                 # numerous, plus we're not unanimous
86   # ?? -Wstrict-overflow
87   nw="$nw -Wunsafe-loop-optimizations" # just a warning that an optimization
88                                     # was not possible, safe to ignore
89   nw="$nw -Wpacked"                 # Allow attribute((packed)) on structs
90   nw="$nw -Wlong-long"              # Allow long long since it's required
91                                     # by xstrtoll.
92
93   gl_MANYWARN_ALL_GCC([ws])
94   gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
95   for w in $ws; do
96     gl_WARN_ADD([$w])
97   done
98   gl_WARN_ADD([-Wno-unused-parameter]) # stubs.c
99   gl_WARN_ADD([-Wno-jump-misses-init]) # stubs.c
100   gl_WARN_ADD([-Wno-unused-variable]) # FIXME: only temporary, for guestfs_protocol.c, etc
101
102   # In spite of excluding -Wlogical-op above, it is enabled, as of
103   # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c
104   gl_WARN_ADD([-Wno-logical-op])
105
106   gl_WARN_ADD([-fdiagnostics-show-option])
107
108   AC_SUBST([WARN_CFLAGS])
109
110   AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
111   AC_DEFINE([_FORTIFY_SOURCE], [2],
112     [enable compile-time and run-time bounds-checking, and some warnings])
113   AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
114 fi
115
116 AC_C_PROTOTYPES
117 test "x$U" != "x" && AC_MSG_ERROR([Compiler not ANSI compliant])
118
119 AM_PROG_CC_C_O
120
121 dnl Work out how to specify the linker script to the linker.
122 VERSION_SCRIPT_FLAGS=-Wl,--version-script=
123 `/usr/bin/ld --help 2>&1 | grep -- --version-script >/dev/null` || \
124     VERSION_SCRIPT_FLAGS="-Wl,-M -Wl,"
125 AC_SUBST(VERSION_SCRIPT_FLAGS)
126
127 dnl Check support for 64 bit file offsets.
128 AC_SYS_LARGEFILE
129
130 dnl Check sizeof long.
131 AC_CHECK_SIZEOF([long])
132
133 dnl Headers.
134 AC_CHECK_HEADERS([endian.h byteswap.h])
135
136 dnl Check for pod2man and pod2text.
137 AC_CHECK_PROG([POD2MAN],[pod2man],[pod2man],[no])
138 test "x$POD2MAN" = "xno" &&
139      AC_MSG_ERROR([pod2man must be installed])
140 AC_CHECK_PROG([POD2TEXT],[pod2text],[pod2text],[no])
141 test "x$POD2TEXT" = "xno" &&
142      AC_MSG_ERROR([pod2text must be installed])
143
144 dnl Readline.
145 AC_ARG_WITH([readline],
146     [AS_HELP_STRING([--with-readline],
147         [support fancy command line editing @<:@default=check@:>@])],
148     [],
149     [with_readline=check])
150
151 LIBREADLINE=
152 AS_IF([test "x$with_readline" != xno],
153     [AC_CHECK_LIB([readline], [main],
154         [AC_SUBST([LIBREADLINE], ["-lreadline"])
155          AC_DEFINE([HAVE_LIBREADLINE], [1],
156                    [Define if you have libreadline])
157         ],
158         [if test "x$with_readline" != xcheck; then
159          AC_MSG_FAILURE(
160              [--with-readline was given, but test for readline failed])
161          fi
162         ])])
163
164 dnl For i18n.
165 AM_GNU_GETTEXT([external])
166 AM_GNU_GETTEXT_VERSION([0.17])
167
168 dnl libxml2.
169 PKG_CHECK_MODULES([LIBXML2], [libxml-2.0])
170 AC_SUBST([LIBXML2_CFLAGS])
171 AC_SUBST([LIBXML2_LIBS])
172
173 dnl Check for OCaml (optional, for OCaml bindings).
174 AC_PROG_OCAML
175 AC_PROG_FINDLIB
176 AM_CONDITIONAL([HAVE_OCAML],[test "x$OCAMLC" != "xno" -a "x$OCAMLFIND" != "xno"])
177
178 if test "x$OCAMLC" != "xno"; then
179     dnl Check if we have caml/unixsupport.h header (OCaml bindings only).
180     old_CFLAGS="$CFLAGS"
181     CFLAGS="$CFLAGS -I$OCAMLLIB"
182     AC_CHECK_HEADERS([caml/unixsupport.h],[],[],
183     [
184     #include <caml/config.h>
185     #include <caml/mlvalues.h>
186     ])
187     CFLAGS="$old_CFLAGS"
188
189     dnl Do we have function caml_raise_with_args?
190     f=caml_raise_with_args
191     AC_MSG_CHECKING([for function $f])
192     echo "char $f (); char foo() { return $f (); }" > conftest.c
193     rm -f conftest_ml.ml
194     touch conftest_ml.ml
195     if $OCAMLOPT -c conftest.c 2>/dev/null && \
196        $OCAMLOPT -c conftest_ml.ml 2>/dev/null && \
197        $OCAMLOPT conftest.o conftest_ml.cmx -o conftest 2>/dev/null ; then
198         AC_DEFINE([HAVE_CAML_RAISE_WITH_ARGS],[1],
199                   [Defined if function caml_raise_with_args exists.])
200         AC_MSG_RESULT([found])
201     else
202         AC_MSG_RESULT([not found])
203     fi
204     rm -f conftest conftest.* conftest_ml.*
205 fi
206
207 dnl Check for Perl (optional, for Perl bindings).
208 dnl XXX This isn't quite right, we should check for Perl devel library.
209 AC_CHECK_PROG([PERL],[perl],[perl],[no])
210
211 dnl Check for Perl modules that must be present to compile and
212 dnl test the Perl bindings.
213 missing_perl_modules=no
214 for pm in Test::More ExtUtils::MakeMaker IO::Stringy; do
215     AC_MSG_CHECKING([for $pm])
216     if ! perl -M$pm -e1 >/dev/null 2>&1; then
217         AC_MSG_RESULT([no])
218         missing_perl_modules=yes
219     else
220         AC_MSG_RESULT([yes])
221     fi
222 done
223 if test "x$missing_perl_modules" = "xyes"; then
224     AC_MSG_WARN([some Perl modules required to compile or test the Perl bindings are missing])
225 fi
226
227 AM_CONDITIONAL([HAVE_PERL],
228     [test "x$PERL" != "xno" -a "x$missing_perl_modules" != "xyes"])
229
230 dnl Check for Python (optional, for Python bindings).
231 AC_CHECK_PROG([PYTHON],[python],[python],[no])
232
233 PYTHON_PREFIX=
234 PYTHON_VERSION=
235 PYTHON_INCLUDEDIR=
236 PYTHON_SITE_PACKAGES=
237
238 if test "x$PYTHON" != "xno"; then
239     PYTHON_PREFIX=`$PYTHON -c "import sys; print sys.prefix"`
240     PYTHON_VERSION=`$PYTHON -c "import sys; print sys.version[[0:3]]"`
241     for d in \
242         $PYTHON_PREFIX/include/python$PYTHON_VERSION \
243         /usr/include/python$PYTHON_VERSION \
244         /usr/local/include/python$PYTHON_VERSION
245     do
246         AC_MSG_CHECKING([Python.h in $d])
247         if test -r "$d/Python.h"; then
248             AC_MSG_RESULT([found])
249             PYTHON_INCLUDEDIR=$d
250             break
251         fi
252         AC_MSG_RESULT([not found])
253     done
254     if test "x$PYTHON_INCLUDEDIR" = "x"; then
255         AC_MSG_WARN([Python include directory not found])
256     fi
257
258     for d in \
259         $PYTHON_PREFIX/lib64/python$PYTHON_VERSION/site-packages \
260         $PYTHON_PREFIX/lib/python$PYTHON_VERSION/site-packages \
261         /usr/lib64/python$PYTHON_VERSION/site-packages \
262         /usr/lib/python$PYTHON_VERSION/site-packages \
263         /usr/local/lib/python$PYTHON_VERSION/site-packages
264     do
265         AC_MSG_CHECKING([for $d])
266         if test -d "$d"; then
267             AC_MSG_RESULT([found])
268             PYTHON_SITE_PACKAGES=$d
269             break
270         fi
271         AC_MSG_RESULT([not found])
272     done
273     if test "x$PYTHON_SITE_PACKAGES" = "x"; then
274         AC_MSG_WARN([Python site-packages directory not found])
275     fi
276
277     old_LIBS="$LIBS"
278     LIBS="$LIBS -lpython$PYTHON_VERSION"
279     AC_CHECK_FUNCS([PyCapsule_New])
280     LIBS="$old_LIBS"
281 fi
282
283 AC_SUBST(PYTHON_PREFIX)
284 AC_SUBST(PYTHON_VERSION)
285 AC_SUBST(PYTHON_INCLUDEDIR)
286 AC_SUBST(PYTHON_SITE_PACKAGES)
287
288 AM_CONDITIONAL([HAVE_PYTHON],
289     [test "x$PYTHON_INCLUDEDIR" != "x" -a "x$PYTHON_SITE_PACKAGES" != "x"])
290
291 dnl dnl Check for Ruby and rake (optional, for Ruby bindings).
292 dnl AC_CHECK_LIB([ruby],[ruby_init],[HAVE_LIBRUBY=1],[HAVE_LIBRUBY=0])
293 dnl AC_CHECK_PROG([RAKE],[rake],[rake],[no])
294
295 dnl AM_CONDITIONAL([HAVE_RUBY],
296 dnl     [test "x$RAKE" != "xno" -a -n "$HAVE_LIBRUBY"])
297
298 dnl dnl Check for Java.
299 dnl AC_ARG_WITH(java_home,
300 dnl     [AS_HELP_STRING([--with-java-home],
301 dnl         [specify path to JDK directory @<:@default=check@:>@])],
302 dnl     [],
303 dnl     [with_java_home=check])
304
305 dnl if test "x$with_java_home" != "xno"; then
306 dnl     if test "x$with_java_home" != "xyes" -a "x$with_java_home" != "xcheck"
307 dnl     then
308 dnl         # Reject unsafe characters in $JAVA_HOME
309 dnl         jh_lf='
310 dnl '
311 dnl         case $JAVA_HOME in
312 dnl           *[\\\"\#\$\&\'\`$jh_lf\ \ ]*)
313 dnl             AC_MSG_FAILURE([unsafe \$JAVA_HOME directory (use --with-java-home=no to disable Java support)]);;
314 dnl         esac
315 dnl         if test -d "$with_java_home"; then
316 dnl             JAVA_HOME="$with_java_home"
317 dnl         else
318 dnl             AC_MSG_FAILURE([$with_java_home is not a directory (use --with-java-home=no to disable Java support)])
319 dnl         fi
320 dnl     fi
321
322 dnl     if test "x$JAVA_HOME" = "x"; then
323 dnl         # Look for Java in some likely locations.
324 dnl         for d in \
325 dnl             /usr/lib/jvm/java \
326 dnl             /usr/lib/jvm/java-6-openjdk
327 dnl         do
328 dnl             if test -d $d -a -f $d/bin/java; then
329 dnl                 JAVA_HOME=$d
330 dnl                 break
331 dnl             fi
332 dnl         done
333 dnl     fi
334
335 dnl     if test "x$JAVA_HOME" != "x"; then
336 dnl         AC_MSG_CHECKING(for JDK in $JAVA_HOME)
337 dnl         if test ! -x "$JAVA_HOME/bin/java"; then
338 dnl             AC_MSG_ERROR([missing $JAVA_HOME/bin/java binary (use --with-java-home=no to disable Java support)])
339 dnl         else
340 dnl             JAVA="$JAVA_HOME/bin/java"
341 dnl         fi
342 dnl         if test ! -x "$JAVA_HOME/bin/javac"; then
343 dnl             AC_MSG_ERROR([missing $JAVA_HOME/bin/javac binary])
344 dnl         else
345 dnl             JAVAC="$JAVA_HOME/bin/javac"
346 dnl         fi
347 dnl         if test ! -x "$JAVA_HOME/bin/javah"; then
348 dnl             AC_MSG_ERROR([missing $JAVA_HOME/bin/javah binary])
349 dnl         else
350 dnl             JAVAH="$JAVA_HOME/bin/javah"
351 dnl         fi
352 dnl         if test ! -x "$JAVA_HOME/bin/javadoc"; then
353 dnl             AC_MSG_ERROR([missing $JAVA_HOME/bin/javadoc binary])
354 dnl         else
355 dnl             JAVADOC="$JAVA_HOME/bin/javadoc"
356 dnl         fi
357 dnl         if test ! -x "$JAVA_HOME/bin/jar"; then
358 dnl             AC_MSG_ERROR([missing $JAVA_HOME/bin/jar binary])
359 dnl         else
360 dnl             JAR="$JAVA_HOME/bin/jar"
361 dnl         fi
362 dnl         java_version=`$JAVA -version 2>&1 | grep "java version"`
363 dnl         AC_MSG_RESULT(found $java_version in $JAVA_HOME)
364
365 dnl         dnl Find jni.h.
366 dnl         AC_MSG_CHECKING([for jni.h])
367 dnl         if test -f "$JAVA_HOME/include/jni.h"; then
368 dnl             JNI_CFLAGS="-I$JAVA_HOME/include"
369 dnl         else
370 dnl             if test "`find $JAVA_HOME -name jni.h`" != ""; then
371 dnl                 head=`find $JAVA_HOME -name jni.h | tail -1`
372 dnl                 dir=`dirname "$head"`
373 dnl                 JNI_CFLAGS="-I$dir"
374 dnl             else
375 dnl                 AC_MSG_FAILURE([missing jni.h header file])
376 dnl             fi
377 dnl         fi
378 dnl         AC_MSG_RESULT([$JNI_CFLAGS])
379
380 dnl         dnl Find jni_md.h.
381 dnl         AC_MSG_CHECKING([for jni_md.h])
382 dnl         case "$build_os" in
383 dnl         *linux*) system="linux" ;;
384 dnl         *SunOS*) system="solaris" ;;
385 dnl         *cygwin*) system="win32" ;;
386 dnl         *) system="$build_os" ;;
387 dnl         esac
388 dnl         if test -f "$JAVA_HOME/include/$system/jni_md.h"; then
389 dnl             JNI_CFLAGS="$JNI_CFLAGS -I$JAVA_HOME/include/$system"
390 dnl         else
391 dnl             if test "`find $JAVA_HOME -name jni_md.h`" != ""; then
392 dnl                 head=`find $JAVA_HOME -name jni_md.h | tail -1`
393 dnl                 dir=`dirname "$head"`
394 dnl                 JNI_CFLAGS="$JNI_CFLAGS -I$dir"
395 dnl             else
396 dnl                 AC_MSG_FAILURE([missing jni_md.h header file])
397 dnl             fi
398 dnl         fi
399 dnl         AC_MSG_RESULT([$JNI_CFLAGS])
400
401 dnl         dnl Need extra version flag?
402 dnl         AC_MSG_CHECKING([extra javac flags])
403 dnl         JAVAC_FLAGS=
404 dnl         javac_version=`$JAVAC -version 2>&1`
405 dnl         case "$javac_version" in
406 dnl         *Eclipse*)
407 dnl             JAVAC_FLAGS="-source 1.5" ;;
408 dnl         esac
409 dnl         AC_MSG_RESULT([$JAVAC_FLAGS])
410
411 dnl         dnl Where to install jarfiles.
412 dnl         dnl XXX How to make it configurable?
413 dnl         JAR_INSTALL_DIR=\${prefix}/share/java
414 dnl         JNI_INSTALL_DIR=\${libdir}
415
416 dnl         dnl JNI version.
417 dnl         jni_major_version=`echo "$VERSION" | awk -F. '{print $1}'`
418 dnl         jni_minor_version=`echo "$VERSION" | awk -F. '{print $2}'`
419 dnl         jni_micro_version=`echo "$VERSION" | awk -F. '{print $3}'`
420 dnl         JNI_VERSION_INFO=`expr "$jni_major_version" + "$jni_minor_version"`":$jni_micro_version:$jni_minor_version"
421 dnl     fi
422 dnl fi
423
424 dnl AC_SUBST(JAVA_HOME)
425 dnl AC_SUBST(JAVA)
426 dnl AC_SUBST(JAVAC)
427 dnl AC_SUBST(JAVAH)
428 dnl AC_SUBST(JAVADOC)
429 dnl AC_SUBST(JAR)
430 dnl AC_SUBST(JNI_CFLAGS)
431 dnl AC_SUBST(JAVAC_FLAGS)
432 dnl AC_SUBST(JAR_INSTALL_DIR)
433 dnl AC_SUBST(JNI_INSTALL_DIR)
434 dnl AC_SUBST(JNI_VERSION_INFO)
435
436 dnl AM_CONDITIONAL([HAVE_JAVA],[test -n "$JAVAC"])
437
438 dnl dnl Check for Haskell (GHC).
439 dnl AC_CHECK_PROG([GHC],[ghc],[ghc],[no])
440
441 dnl AM_CONDITIONAL([HAVE_HASKELL],
442 dnl     [test "x$GHC" != "xno"])
443
444 dnl Produce output files.
445 AC_CONFIG_HEADERS([config.h])
446 AC_CONFIG_FILES([Makefile
447                  generator/Makefile
448                  gnulib/lib/Makefile
449                  gnulib/tests/Makefile
450                  hivex.pc
451                  images/Makefile
452                  lib/Makefile
453                  lib/tools/Makefile
454                  ocaml/Makefile ocaml/META
455                  perl/Makefile perl/Makefile.PL
456                  python/Makefile
457                  po/Makefile.in
458                  regedit/Makefile
459                  sh/Makefile
460                  xml/Makefile])
461 AC_OUTPUT
462
463 dnl Produce summary.
464 echo
465 echo
466 echo "------------------------------------------------------------"
467 echo "Thank you for downloading $PACKAGE_STRING"
468 echo
469 echo "This is how we have configured the optional components for you today:"
470 echo
471 echo -n "OCaml bindings ...................... "
472 if test "x$HAVE_OCAML_TRUE" = "x"; then echo "yes"; else echo "no"; fi
473 echo -n "Perl bindings ....................... "
474 if test "x$HAVE_PERL_TRUE" = "x"; then echo "yes"; else echo "no"; fi
475 echo -n "Python bindings ..................... "
476 if test "x$HAVE_PYTHON_TRUE" = "x"; then echo "yes"; else echo "no"; fi
477 dnl echo -n "Ruby bindings ....................... "
478 dnl if test "x$HAVE_RUBY_TRUE" = "x"; then echo "yes"; else echo "no"; fi
479 dnl echo -n "Java bindings ....................... "
480 dnl if test "x$HAVE_JAVA_TRUE" = "x"; then echo "yes"; else echo "no"; fi
481 dnl echo -n "Haskell bindings .................... "
482 dnl if test "x$HAVE_HASKELL" = "x"; then echo "yes"; else echo "no"; fi
483 echo
484 echo "If any optional component is configured 'no' when you expected 'yes'"
485 echo "then you should check the preceeding messages."
486 echo
487 echo "Please report bugs back to the mailing list:"
488 echo "http://www.redhat.com/mailman/listinfo/libguestfs"
489 echo
490 echo "Next you should type 'make' to build the package,"
491 echo "then 'make check' to run the tests."
492 echo "------------------------------------------------------------"