libjava/classpath/configure.ac

   1 dnl Process this file with autoconf to produce a configure script.
   2
   3 dnl -----------------------------------------------------------
   4 dnl Turning off cache for debug reasons
   5 dnl -----------------------------------------------------------
   6 dnl define([AC_CACHE_LOAD], )dnl
   7 dnl define([AC_CACHE_SAVE], )dnl
   8
   9 AC_INIT([GNU Classpath],[0.17+cvs],[classpath@gnu.org],[classpath])
  10 AC_CONFIG_SRCDIR(java/lang/System.java)
  11
  12 AC_CANONICAL_TARGET
  13
  14 dnl -----------------------------------------------------------
  15 dnl Fold all IA-32 CPU architectures into "x86"
  16 dnl -----------------------------------------------------------
  17 if expr ${target_cpu} : '.*86' > /dev/null; then target_cpu=x86; fi
  18
  19 dnl -----------------------------------------------------------
  20 dnl We will not track/change lib version until we reach version 1.0
  21 dnl at which time we'll have to be more anal about such things
  22 dnl -----------------------------------------------------------
  23 AC_SUBST(LIBVERSION, "0:0:0")
  24 CLASSPATH_MODULE="-module -version-info ${LIBVERSION} -no-undefined"
  25 AC_SUBST(CLASSPATH_MODULE)
  26
  27 AC_PREREQ(2.59)
  28 AM_INIT_AUTOMAKE([1.9.0 gnu std-options tar-ustar])
  29 AC_CONFIG_HEADERS([include/config.h])
  30 AC_PREFIX_DEFAULT(/usr/local/classpath)
  31
  32 dnl -----------------------------------------------------------
  33 dnl Enable JNI libraries (enabled by default)
  34 dnl -----------------------------------------------------------
  35 AC_ARG_ENABLE([jni],
  36               [AS_HELP_STRING(--enable-jni,compile JNI source [default=yes])],
  37               [case "${enableval}" in
  38                 yes) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;
  39                 no) COMPILE_JNI=no ;;
  40                 *) COMPILE_JNI=yes; COMPILE_JAVA=yes ;;
  41               esac],
  42               [COMPILE_JNI=yes])
  43 AM_CONDITIONAL(CREATE_JNI_LIBRARIES, test "x${COMPILE_JNI}" = xyes)
  44
  45 dnl -----------------------------------------------------------
  46 dnl Enable core JNI libraries (enabled by default)
  47 dnl -----------------------------------------------------------
  48 AC_ARG_ENABLE([core-jni],
  49               [AS_HELP_STRING(--enable-core-jni,
  50                               compile JNI sources for core [default=yes])],
  51               [case "${enableval}" in
  52                 yes) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;
  53                 no) COMPILE_CORE_JNI=no ;;
  54                 *) COMPILE_CORE_JNI=yes; COMPILE_JAVA=yes ;;
  55               esac],
  56               [COMPILE_CORE_JNI=yes])
  57 AM_CONDITIONAL(CREATE_CORE_JNI_LIBRARIES, test "x${COMPILE_CORE_JNI}" = xyes)
  58
  59 dnl -----------------------------------------------------------
  60 dnl Whether to compile with -Werror or not (enabled by default)
  61 dnl -----------------------------------------------------------
  62 AC_ARG_ENABLE([Werror],
  63               [AS_HELP_STRING(--disable-Werror,whether to compile C code with -Werror which turns any compiler warning into a compilation failure [default=no])],
  64               [case "${enableval}" in
  65                 yes) ENABLE_WERROR=yes ;;
  66                 no) ENABLE_WERROR=no ;;
  67                 *) ENABLE_WERROR=yes ;;
  68               esac],
  69               [ENABLE_WERROR=no])
  70
  71 dnl -----------------------------------------------------------
  72 dnl Default AWT toolkit
  73 dnl -----------------------------------------------------------
  74 AC_ARG_ENABLE(default-toolkit,
  75   AS_HELP_STRING([--enable-default-toolkit],
  76                  [fully qualified class name of default AWT toolkit]))
  77 default_toolkit=$enable_default_toolkit
  78 if test "$default_toolkit" = ""; then
  79    default_toolkit=gnu.java.awt.peer.gtk.GtkToolkit
  80 fi
  81 AC_SUBST(default_toolkit)
  82
  83 dnl -----------------------------------------------------------
  84 dnl Native libxml/xslt library (disabled by default)
  85 dnl -----------------------------------------------------------
  86 AC_ARG_ENABLE([xmlj],
  87               [AS_HELP_STRING(--enable-xmlj,compile native libxml/xslt library [default=no])],
  88               [case "${enableval}" in
  89                 yes) COMPILE_XMLJ=yes ;;
  90                 no) COMPILE_XMLJ=no ;;
  91                 *) COMPILE_XMLJ=no ;;
  92               esac],
  93               [COMPILE_XMLJ=no])
  94 AM_CONDITIONAL(CREATE_XMLJ_LIBRARY, test "x${COMPILE_XMLJ}" = xyes)
  95
  96 dnl -----------------------------------------------------------
  97 dnl GTK native peer (enabled by default)
  98 dnl -----------------------------------------------------------
  99 AC_ARG_ENABLE([gtk-peer],
 100               [AS_HELP_STRING(--disable-gtk-peer,compile GTK native peers (disabled by --disable-jni) [default=yes])],
 101               [case "${enableval}" in
 102                 yes) COMPILE_GTK_PEER=yes ;;
 103                 no) COMPILE_GTK_PEER=no ;;
 104                 *) COMPILE_GTK_PEER=yes ;;
 105               esac],
 106               [COMPILE_GTK_PEER=yes])
 107 AM_CONDITIONAL(CREATE_GTK_PEER_LIBRARIES, test "x${COMPILE_GTK_PEER}" = xyes)
 108
 109 dnl -----------------------------------------------------------
 110 dnl GTK native peer error checking
 111 dnl -----------------------------------------------------------
 112 AC_ARG_ENABLE([gtk-peers],,AC_MSG_ERROR([No --enable-gtk-peers (or --disable-gtk-peers) option; you want --enable-gtk-peer]))
 113
 114 dnl ------------------------------------------------------------
 115 dnl determine whether to enable the cairo GTK Graphics2D backend
 116 dnl ------------------------------------------------------------
 117 AC_ARG_ENABLE([gtk-cairo],
 118               [AS_HELP_STRING(--enable-gtk-cairo,build the cairo Graphics2D implementation on GTK [default=no])],
 119               [case "${enableval}" in
 120                 yes) GTK_CAIRO_ENABLED=true ;;
 121                 no) GTK_CAIRO_ENABLED=false ;;
 122                 *) GTK_CAIRO_ENABLED=true ;;
 123               esac],
 124               [GTK_CAIRO_ENABLED=false])
 125 AC_SUBST(GTK_CAIRO_ENABLED)
 126 if test "x${GTK_CAIRO_ENABLED}" = xtrue; then
 127   AC_DEFINE(GTK_CAIRO, 1, [defined if cairo support was built in])
 128 fi
 129 AM_CONDITIONAL(GTK_CAIRO, test "x${GTK_CAIRO_ENABLED}" = xtrue)
 130
 131 dnl -----------------------------------------------------------
 132 dnl Regenerate headers at build time (disabled by default)
 133 dnl -----------------------------------------------------------
 134 AC_ARG_ENABLE([regen-headers],
 135               [AS_HELP_STRING(--enable-regen-headers,automatically regenerate JNI headers [default=no])],
 136               [case "${enableval}" in
 137                 yes) REGENERATE_JNI_HEADERS=yes ;;
 138                 no) REGENERATE_JNI_HEADERS=no ;;
 139                 *) REGENERATE_JNI_HEADERS=no ;;
 140               esac],
 141               [REGENERATE_JNI_HEADERS=no])
 142 AM_CONDITIONAL(CREATE_JNI_HEADERS, test "x${REGENERATE_JNI_HEADERS}" = xyes)
 143
 144 AC_PROG_LN_S
 145 AC_PROG_INSTALL
 146
 147 dnl -----------------------------------------------------------
 148 dnl Checks for programs.
 149 dnl -----------------------------------------------------------
 150 dnl AC_PROG_CXX
 151 dnl Initialize libtool
 152 AC_DISABLE_STATIC
 153 AC_PROG_LIBTOOL
 154 dnl AC_PROG_AWK
 155 AC_PROG_CC
 156 AC_PROG_CPP
 157
 158 if test "x${COMPILE_JNI}" = xyes; then
 159   AC_HEADER_STDC
 160
 161   dnl Checking sizeof void * is needed for fdlibm to work properly on ppc64,
 162   dnl at least.
 163   AC_COMPILE_CHECK_SIZEOF(void *)
 164
 165   dnl Checking for endianess.
 166   AC_C_BIGENDIAN_CROSS
 167
 168   dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
 169   dnl On that system, sys/ioctl.h will not include sys/filio.h unless
 170   dnl BSD_COMP is defined; just including sys/filio.h is simpler.
 171   dnl Check for crt_externs.h on Darwin.
 172   AC_CHECK_HEADERS([unistd.h sys/types.h sys/config.h sys/ioctl.h \
 173                     asm/ioctls.h \
 174                     inttypes.h stdint.h utime.h sys/utime.h sys/filio.h \
 175                     sys/time.h \
 176                     sys/select.h \
 177                     crt_externs.h \
 178                     fcntl.h])
 179
 180   AC_EGREP_HEADER(uint32_t, stdint.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
 181   AC_EGREP_HEADER(uint32_t, inttypes.h, AC_DEFINE(HAVE_INT32_DEFINED, 1, [Define to 1 if you have uint32_t]))
 182   AC_EGREP_HEADER(u_int32_t, sys/types.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
 183   AC_EGREP_HEADER(u_int32_t, sys/config.h, AC_DEFINE(HAVE_BSD_INT32_DEFINED, 1, [Define to 1 if you have BSD u_int32_t]))
 184
 185   AC_CHECK_FUNCS([ftruncate fsync select \
 186                   gethostname socket strerror fork pipe execve open close \
 187                   lseek fstat read write htonl memset htons connect \
 188                   getsockname getpeername bind listen accept \
 189                   recvfrom send sendto setsockopt getsockopt time mktime \
 190                   localtime_r \
 191                   strerror_r \
 192                   fcntl])
 193
 194   AC_HEADER_TIME
 195   AC_STRUCT_TM
 196   AC_STRUCT_TIMEZONE
 197
 198   AC_MSG_CHECKING([for tm_gmtoff in struct tm])
 199   AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]],[[struct tm tim; tim.tm_gmtoff = 0;]])],
 200   [AC_DEFINE(STRUCT_TM_HAS_GMTOFF, 1, [Define if struct tm has tm_gmtoff field.])
 201    AC_MSG_RESULT(yes)],
 202   [AC_MSG_RESULT(no)
 203    AC_MSG_CHECKING([for global timezone variable])
 204    dnl FIXME: we don't want a link check here because that won't work
 205    dnl when cross-compiling.  So instead we make an assumption that
 206    dnl the header file will mention timezone if it exists.
 207    dnl Don't find the win32 function timezone
 208    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[void i(){long z2 = 2*timezone;}]])],
 209      [AC_DEFINE(HAVE_TIMEZONE, 1, [Define if global 'timezone' exists.])
 210       AC_MSG_RESULT(yes)],
 211      [AC_MSG_RESULT(no)
 212        AC_MSG_CHECKING([for global _timezone variable])
 213        dnl FIXME: As above, don't want link check
 214        AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[long z2 = _timezone;]])],
 215          [AC_DEFINE(HAVE_UNDERSCORE_TIMEZONE, 1,
 216             [Define if your platform has the global _timezone variable.])
 217           AC_MSG_RESULT(yes)],
 218           [AC_MSG_RESULT(no)])])])
 219
 220   AC_C_CONST
 221
 222   dnl See if we HAVE_ICONV, how ICONV_CONST is set and LTLIBICONV
 223   AM_ICONV
 224
 225   dnl When using gcc we want warnings, lots of warnings :-)
 226   if test "x${GCC}" = xyes; then
 227     dnl We want ISO C90 pedantic ansi, but with longlong (jlong) support
 228     dnl and modern POSIX and BSD C library functions/prototypes.
 229
 230     dnl Warning flags for (almost) everybody.
 231     dnl Should probably be configurable
 232     WARNING_CFLAGS='-pedantic -W -Wall -Wmissing-declarations -Wwrite-strings -Wmissing-prototypes -Wno-long-long'
 233     AC_SUBST(WARNING_CFLAGS)
 234
 235     dnl Strict warning flags which not every module uses.
 236     dnl Should probably be configurable.
 237     STRICT_WARNING_CFLAGS=-Wstrict-prototypes
 238     AC_SUBST(STRICT_WARNING_CFLAGS)
 239
 240     dnl Whether or not to add -Werror, also not used by all modueles.
 241     dnl Can be configured by --disable-Werror
 242     ERROR_CFLAGS=
 243     if test "x${ENABLE_WERROR}" = xyes; then
 244        ERROR_CFLAGS='-Werror'
 245     fi
 246     AC_SUBST(ERROR_CFLAGS)
 247   fi
 248
 249   dnl Check for libxml and libxslt libraries (when xmlj is enabled).
 250   if test "x${COMPILE_XMLJ}" = xyes; then
 251     PKG_CHECK_MODULES(XML, libxml-2.0 >= 2.6.8)
 252     PKG_CHECK_MODULES(XSLT, libxslt >= 1.1.11)
 253     AC_SUBST(XML_LIBS)
 254     AC_SUBST(XML_CFLAGS)
 255     AC_SUBST(XSLT_LIBS)
 256     AC_SUBST(XSLT_CFLAGS)
 257   fi
 258
 259   dnl Check for AWT related gthread/gtk
 260   if test "x${COMPILE_GTK_PEER}" = xyes; then
 261      AC_PATH_XTRA
 262      if test "$no_x" = yes; then
 263          AC_MSG_ERROR([GTK+ peers requested but no X library available])
 264      fi
 265      dnl We explicitly want the XTest Extension for Robot support.
 266      AC_CHECK_LIB([Xtst], [XTestQueryExtension], [true],
 267                   [AC_MSG_ERROR([libXtst NOT found, required for GdkRobot])],
 268                   [${X_LIBS}])
 269      PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.4 gthread-2.0 >= 2.2 gdk-pixbuf-2.0)
 270      AC_SUBST(GTK_CFLAGS)
 271      AC_SUBST(GTK_LIBS)
 272   fi
 273
 274   if test "x${enable_gtk_cairo}" = xyes; then
 275     PKG_CHECK_MODULES(CAIRO, cairo >= 0.5.0)
 276     PKG_CHECK_MODULES(PANGOFT2, pangoft2)
 277   fi
 278   AC_SUBST(CAIRO_LIBS)
 279   AC_SUBST(CAIRO_CFLAGS)
 280   AC_SUBST(PANGOFT2_LIBS)
 281   AC_SUBST(PANGOFT2_CFLAGS)
 282 fi
 283
 284 CLASSPATH_WITH_JAVAH
 285
 286 dnl -----------------------------------------------------------
 287 dnl Add the include files for the native abstraction layer.
 288 dnl Used by AM_CPPFLAGS in the different modules.
 289 dnl -----------------------------------------------------------
 290 CLASSPATH_INCLUDES="-I\$(top_srcdir)/include -I\$(top_srcdir)/native/jni/classpath -I\$(top_srcdir)/native/target/Linux -I\$(top_srcdir)/native/target/generic"
 291 AC_SUBST(CLASSPATH_INCLUDES)
 292
 293 dnl -----------------------------------------------------------
 294 if test "x${COMPILE_JNI}" = xyes; then
 295   AC_MSG_CHECKING(jni_md.h support)
 296   if test -f ${srcdir}/include/jni_md-${target_cpu}-${target_os}.h; then
 297     AC_MSG_RESULT(yes)
 298   else
 299     target_cpu=x86
 300     target_os=linux-gnu
 301     AC_MSG_WARN(no, using x86-linux-gnu)
 302   fi
 303   ac_sources="include/jni_md-${target_cpu}-${target_os}.h"
 304   ac_dests="include/jni_md.h"
 305   while test -n "$ac_sources"; do
 306     set $ac_dests; ac_dest=$1; shift; ac_dests=$*
 307     set $ac_sources; ac_source=$1; shift; ac_sources=$*
 308     ac_config_links_1="$ac_config_links_1 $ac_dest:$ac_source"
 309   done
 310   AC_CONFIG_LINKS([$ac_config_links_1])
 311 fi
 312
 313 CLASSPATH_FIND_JAVAC
 314
 315 CLASSPATH_WITH_CLASSLIB
 316
 317 dnl -----------------------------------------------------------
 318 dnl Initialize maintainer mode
 319 dnl -----------------------------------------------------------
 320 AM_MAINTAINER_MODE
 321
 322 dnl -----------------------------------------------------------
 323 dnl Enable debugging statements at compile time.  By default
 324 dnl these statements should be optimized out of the bytecode
 325 dnl produced by an optimizing Java compiler and not hinder
 326 dnl performance because debugging is turned off by default.
 327 dnl -----------------------------------------------------------
 328 AC_ARG_ENABLE([debug],
 329               [AS_HELP_STRING(--enable-debug,enable runtime debugging code)],
 330               [case "${enableval}" in
 331                 yes)
 332                 LIBDEBUG="true"
 333                 AC_DEFINE(DEBUG, 1, [Define to 1 if you want native library runtime debugging code enabled])
 334                 ;;
 335                 no)   LIBDEBUG="false" ;;
 336                 *)      AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
 337               esac],
 338               [LIBDEBUG="false"])
 339 AC_SUBST(LIBDEBUG)
 340
 341 dnl -----------------------------------------------------------
 342 dnl Enable execution of all static initializer loadLibrary()
 343 dnl calls at compile time.  By default most people will not
 344 dnl want to disable this, but some VMs (gcj) don't need or want
 345 dnl them.
 346 dnl -----------------------------------------------------------
 347 AC_ARG_ENABLE([load-library],
 348               [AS_HELP_STRING(--enable-load-library,enable to use JNI native methods [default=yes])],
 349               [case "${enableval}" in
 350                 yes) INIT_LOAD_LIBRARY="true" ;;
 351                 no) INIT_LOAD_LIBRARY="false" ;;
 352                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-load-library) ;;
 353               esac],
 354               [INIT_LOAD_LIBRARY="true"])
 355 AC_SUBST(INIT_LOAD_LIBRARY)
 356
 357
 358 dnl -----------------------------------------------------------
 359 dnl Should the VM explicitly run class initialization subfunctions for
 360 dnl java.lang.System?   (default is false -- the subfunctions will be run
 361 dnl automatically by the class initializer)
 362 dnl -----------------------------------------------------------
 363 AC_ARG_ENABLE([java-lang-system-explicit-initialization],
 364               [AS_HELP_STRING(--enable-java-lang-system-explicit-initialization,will the VM explicitly invoke java.lang.System's static initialization methods [default=no])],
 365               [case "${enableval}" in
 366                 yes|true) JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="true" ;;
 367                 no|false) JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="false" ;;
 368                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-java-lang-system-explicit-initialization) ;;
 369               esac],
 370               [JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION="false"])
 371 AC_SUBST(JAVA_LANG_SYSTEM_EXPLICIT_INITIALIZATION)
 372
 373
 374 dnl -----------------------------------------------------------
 375 dnl avoiding automake complaints
 376 dnl -----------------------------------------------------------
 377 REMOVE=""
 378 AC_SUBST(REMOVE)
 379
 380 dnl -----------------------------------------------------------
 381 dnl This is probably useless.
 382 dnl -----------------------------------------------------------
 383 AC_PATH_PROG(SH, sh)
 384 AC_PATH_PROG(MKDIR, mkdir)
 385 AC_PATH_PROG(CP, cp)
 386 AC_PATH_PROG(DATE, date)
 387
 388 dnl -----------------------------------------------------------
 389 dnl According to the GNU coding guide, we shouldn't require find,
 390 dnl and zip, however GNU provides both so it should be okay
 391 dnl -----------------------------------------------------------
 392 AC_PATH_PROG(FIND, find)
 393
 394 dnl -----------------------------------------------------------
 395 dnl Specify what to install (install only glibj.zip by default)
 396 dnl -----------------------------------------------------------
 397 CLASSPATH_WITH_GLIBJ
 398
 399 dnl -----------------------------------------------------------
 400 dnl Enable API documentation generation (disabled by default)
 401 dnl -----------------------------------------------------------
 402 CLASSPATH_WITH_GJDOC
 403
 404 dnl -----------------------------------------------------------
 405 dnl Whether to use jay to regenerate parsers.
 406 dnl -----------------------------------------------------------
 407 REGEN_WITH_JAY
 408
 409 dnl -----------------------------------------------------------
 410 dnl This sets the build-time default, which can now be overridden
 411 dnl by setting the system property gnu.classpath.awt.gtk.portable.native.sync
 412 dnl to "true" or "false".
 413 dnl -----------------------------------------------------------
 414 AC_ARG_ENABLE([portable-native-sync],
 415               [AS_HELP_STRING(--enable-portable-native-sync,synchronize VM threads portably)],
 416               [case "${enableval}" in
 417                 yes)
 418                      AC_DEFINE(PORTABLE_NATIVE_SYNC, 1, [Define if you want to synchronize VM threads portably by default; undef otherwise])
 419                      ;;
 420                 no)  ;;
 421                 *)
 422                      AC_MSG_ERROR(bad value ${enableval} for --enable-portable-native-sync)
 423                      ;;
 424               esac],
 425               [])
 426
 427 dnl -----------------------------------------------------------
 428 dnl output files
 429 dnl -----------------------------------------------------------
 430 AC_CONFIG_FILES([Makefile
 431 doc/Makefile
 432 doc/api/Makefile
 433 external/Makefile
 434 external/sax/Makefile
 435 external/w3c_dom/Makefile
 436 gnu/classpath/Configuration.java
 437 include/Makefile
 438 native/Makefile
 439 native/fdlibm/Makefile
 440 native/jni/Makefile
 441 native/jni/classpath/Makefile
 442 native/jni/java-io/Makefile
 443 native/jni/java-lang/Makefile
 444 native/jni/java-net/Makefile
 445 native/jni/java-nio/Makefile
 446 native/jni/java-util/Makefile
 447 native/jni/gtk-peer/Makefile
 448 native/jni/xmlj/Makefile
 449 native/target/Makefile
 450 native/target/Linux/Makefile
 451 native/target/generic/Makefile
 452 resource/Makefile
 453 scripts/Makefile
 454 scripts/classpath.spec
 455 lib/Makefile
 456 lib/gen-classlist.sh
 457 examples/Makefile])
 458 AC_CONFIG_COMMANDS([gen-classlist],[chmod 755 lib/gen-classlist.sh])
 459 AC_OUTPUT