dnl Process this file with autoconf to produce configure. AC_INIT(gc_mark.h) dnl Can't be done in BOEHM_CONFIGURE because that confuses automake. AC_CONFIG_AUX_DIR(..) AC_CANONICAL_SYSTEM BOEHM_CONFIGURE(.) dnl We use these options to decide which functions to include. AC_ARG_WITH(target-subdir, [ --with-target-subdir=SUBDIR Configuring with a cross compiler]) AC_ARG_WITH(cross-host, [ --with-cross-host=HOST Configuring with a cross compiler]) AM_MAINTAINER_MODE # automake wants to see AC_EXEEXT. But we don't need it. And having # it is actually a problem, because the compiler we're passed can't # necessarily do a full link. So we fool automake here. if test "x" = "y"; then AC_EXEEXT fi AC_MSG_CHECKING([for threads package to use]) AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package], THREADS=$enableval, dnl FIXME: figure out native threads to use here. THREADS=no) if test "$THREADS" = yes; then case "$host" in *-*-vxworks*) THREADS=vxworks ;; *-*-linux*) # FIXME: this isn't correct in all cases. THREADS=posix ;; *-*-win*) THREADS=win32 ;; *-*-irix*) THREADS=irix ;; *-*-solaris*) # FIXME: for now, choose POSIX, because we implement that. # Later, choose solaris threads. THREADS=posix ;; *) # For now. THREADS=none ;; esac fi INCLUDES= case "$THREADS" in no | none | single) THREADS=none ;; posix | pthreads) THREADS=posix case "$host" in *-*-linux*) AC_DEFINE(LINUX_THREADS) AC_DEFINE(_REENTRANT) ;; *-*-solaris*) AC_DEFINE(SOLARIS_THREADS) AC_DEFINE(_SOLARIS_PTHREADS) ;; esac ;; qt) AC_DEFINE(QUICK_THREADS) INCLUDES="-I${boehm_gc_basedir}/../qthreads" ;; decosf1 | irix | mach | os2 | solaris | win32 | dce | vxworks) AC_MSG_ERROR(thread package $THREADS not yet supported) ;; *) AC_MSG_ERROR($THREADS is an unknown thread package) ;; esac AC_MSG_RESULT($THREADS) AC_ARG_ENABLE(java-gc, changequote(<<,>>)dnl << --enable-java-gc=TYPE choose garbage collector [boehm]>>, changequote([,]) GC=$enableval, GC=boehm) target_all= if test "$GC" = "boehm"; then target_all=libgcjgc.a fi AC_SUBST(target_all) dnl If the target is an eCos system, use the appropriate eCos dnl I/O routines. dnl FIXME: this should not be a local option but a global target dnl system; at present there is no eCos target. TARGET_ECOS="no" AC_ARG_WITH(ecos, [ --with-ecos Enable runtime eCos target support.], TARGET_ECOS="$with_ecos" ) addobjs= CXXINCLUDES= case "$TARGET_ECOS" in no) ;; *) AC_DEFINE(ECOS) CXXINCLUDES="-I${TARGET_ECOS}/include" addobjs="$addobjs ecos.o" ;; esac AC_SUBST(CXX) AC_SUBST(INCLUDES) AC_SUBST(CXXINCLUDES) machdep= case "$host" in mipstx39-*-elf*) machdep="mips_ultrix_mach_dep.o" AC_DEFINE(STACKBASE, __stackbase) AC_DEFINE(DATASTART_IS_ETEXT) ;; sparc-sun-solaris2.3*) machdep="sparc_mach_dep.o" AC_DEFINE(SUNOS53_SHARED_LIB) ;; esac if test x"$machdep" = x; then machdep="mach_dep.o" fi addobjs="$addobjs $machdep" AC_SUBST(addobjs) dnl As of 4.13a2, the collector will not properly work on Solaris when dnl built with gcc and -O. So we remove -O in the appropriate case. case "$host" in sparc-sun-solaris2*) if test "$GCC" = yes; then new_CFLAGS= for i in $CFLAGS; do case "$i" in -O*) ;; *) new_CFLAGS="$new_CFLAGS $i" ;; esac done CFLAGS="$new_CFLAGS" fi ;; esac dnl We need to override the top-level CFLAGS. This is how we do it. MY_CFLAGS="$CFLAGS" AC_SUBST(MY_CFLAGS) dnl Define a few things to retarget the library towards dnl embedded Java. AC_DEFINE(SILENT) AC_DEFINE(NO_SIGNALS) AC_DEFINE(NO_DEBUGGING) AC_DEFINE(JAVA_FINALIZATION) dnl Create boehm-config.h so that libjava can find it. dnl It is required to use gc_priv.h, which is required to write dnl a new marking function. So config.h in this package is dnl poorly named. AC_LINK_FILES(config.h, boehm-config.h) dnl This is something of a hack. When cross-compiling we turn off dnl some functionality. We also enable the "small" configuration. dnl These is only correct when targetting an embedded system. FIXME. if test -n "${with_cross_host}"; then AC_DEFINE(NO_SIGSET) AC_DEFINE(NO_CLOCK) AC_DEFINE(SMALL_CONFIG) fi if test "${multilib}" = "yes"; then multilib_arg="--enable-multilib" else multilib_arg= fi AC_OUTPUT(Makefile, [ dnl Put all the -D options in a file. These are required before dnl boehm-config.h can be included. This is a huge hack brought dnl about by overall poor structuring of this entire library. echo "$DEFS" > boehm-cflags if test -n "$CONFIG_FILES"; then ac_file=Makefile . ${boehm_gc_basedir}/../config-ml.in fi], srcdir=${srcdir} host=${host} target=${target} with_multisubdir=${with_multisubdir} ac_configure_args="${multilib_arg} ${ac_configure_args}" CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} boehm_gc_basedir=${boehm_gc_basedir} CC="${CC}" DEFS="$DEFS" )