314 lines
8.0 KiB
Plaintext
314 lines
8.0 KiB
Plaintext
# Copyright (c) 1999, 2000, 2001, 2002, 2003 by Red Hat, Inc. All rights reserved.
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#
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# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
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# OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
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#
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# Permission is hereby granted to use or copy this program
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# for any purpose, provided the above notices are retained on all copies.
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# Permission to modify the code and to distribute modified code is granted,
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# provided the above notices are retained, and a notice that the code was
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# modified is included with the above copyright notice.
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#
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# Original author: Tom Tromey
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dnl Process this file with autoconf to produce configure.
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AC_INIT(gcj_mlc.c)
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# This works around the fact that libtool configuration may change LD
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# for this particular configuration, but some shells, instead of
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# keeping the changes in LD private, export them just because LD is
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# exported.
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ORIGINAL_LD_FOR_MULTILIBS=$LD
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dnl Can't be done in GC_CONFIGURE because that confuses automake.
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AC_CONFIG_AUX_DIR(.)
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GC_CONFIGURE(.)
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AM_PROG_LIBTOOL
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dnl We use these options to decide which functions to include.
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AC_ARG_WITH(target-subdir,
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[ --with-target-subdir=SUBDIR
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configuring with a cross compiler])
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AC_ARG_WITH(cross-host,
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[ --with-cross-host=HOST configuring with a cross compiler])
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AM_MAINTAINER_MODE
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# automake wants to see AC_EXEEXT. But we don't need it. And having
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# it is actually a problem, because the compiler we're passed can't
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# necessarily do a full link. So we fool automake here.
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if false; then
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# autoconf 2.50 runs AC_EXEEXT by default, and the macro expands
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# to nothing, so nothing would remain between `then' and `fi' if it
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# were not for the `:' below.
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:
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AC_EXEEXT
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fi
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AC_MSG_CHECKING([for thread model used by GCC])
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THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'`
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if test -z "$THREADS"; then
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THREADS=no
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fi
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AC_MSG_RESULT([$THREADS])
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AC_ARG_ENABLE(parallel-mark,
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[ --enable-parallel-mark parallelize marking and free list construction],
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[case "$THREADS" in
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no | none | single)
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AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec])
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;;
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esac]
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)
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INCLUDES=-I${srcdir}/include
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THREADLIBS=
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case "$THREADS" in
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no | none | single)
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THREADS=none
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;;
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posix | pthreads)
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THREADS=posix
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THREADLIBS=-lpthread
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case "$host" in
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x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
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AC_DEFINE(GC_LINUX_THREADS)
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AC_DEFINE(_REENTRANT)
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if test "${enable_parallel_mark}"; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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;;
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*-*-linux*)
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AC_DEFINE(GC_LINUX_THREADS)
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AC_DEFINE(_REENTRANT)
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;;
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*-*-hpux*)
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AC_MSG_WARN("Only HP/UX 11 threads are supported.")
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AC_DEFINE(GC_HPUX_THREADS)
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AC_DEFINE(_POSIX_C_SOURCE,199506L)
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if test "${enable_parallel_mark}" = yes; then
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AC_DEFINE(PARALLEL_MARK)
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fi
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AC_DEFINE(THREAD_LOCAL_ALLOC)
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THREADLIBS="-lpthread -lrt"
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;;
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*-*-freebsd*)
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AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
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AC_DEFINE(GC_FREEBSD_THREADS)
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INCLUDES="$INCLUDES -pthread"
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THREADLIBS=-pthread
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;;
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*-*-solaris*)
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AC_DEFINE(GC_SOLARIS_THREADS)
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AC_DEFINE(GC_SOLARIS_PTHREADS)
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;;
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*-*-irix*)
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AC_DEFINE(GC_IRIX_THREADS)
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;;
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*-*-cygwin*)
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THREADLIBS=
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;;
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esac
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;;
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win32)
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AC_DEFINE(GC_WIN32_THREADS)
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AC_DEFINE(NO_GETENV)
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if test $enable_shared = yes; then
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AC_DEFINE(GC_DLL)
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fi
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;;
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decosf1 | irix | mach | os2 | solaris | dce | vxworks)
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AC_MSG_ERROR(thread package $THREADS not yet supported)
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;;
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*)
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AC_MSG_ERROR($THREADS is an unknown thread package)
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;;
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esac
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AC_SUBST(THREADLIBS)
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AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl")
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AC_SUBST(EXTRA_TEST_LIBS)
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target_all=libgcjgc.la
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AC_SUBST(target_all)
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AC_SUBST(target_alias)
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dnl If the target is an eCos system, use the appropriate eCos
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dnl I/O routines.
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dnl FIXME: this should not be a local option but a global target
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dnl system; at present there is no eCos target.
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TARGET_ECOS="no"
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AC_ARG_WITH(ecos,
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[ --with-ecos enable runtime eCos target support],
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TARGET_ECOS="$with_ecos"
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)
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addobjs=
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CXXINCLUDES=
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case "$TARGET_ECOS" in
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no)
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;;
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*)
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AC_DEFINE(ECOS)
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CXXINCLUDES="-I${TARGET_ECOS}/include"
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addobjs="$addobjs ecos.lo"
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;;
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esac
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AC_SUBST(CXX)
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AC_SUBST(INCLUDES)
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AC_SUBST(CXXINCLUDES)
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machdep=
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case "$host" in
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alpha*-*-openbsd*)
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machdep="alpha_mach_dep.lo"
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if test x"${ac_cv_lib_dl_dlopen}" != xyes ; then
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AC_MSG_WARN(OpenBSD/Alpha without dlopen(). Shared library support is disabled)
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AM_DISABLE_SHARED
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fi
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;;
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alpha*-*-*)
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machdep="alpha_mach_dep.lo"
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;;
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i?86-*-solaris2.[[89]]*)
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AC_DEFINE(SOLARIS25_PROC_VDB_BUG_FIXED)
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;;
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mipstx39-*-elf*)
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machdep="mips_ultrix_mach_dep.lo"
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AC_DEFINE(STACKBASE, __stackbase)
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AC_DEFINE(DATASTART_IS_ETEXT)
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;;
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mips-dec-ultrix*)
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machdep="mips_ultrix_mach-dep.lo"
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;;
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mips*-*-linux*)
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;;
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mips-*-*)
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machdep="mips_sgi_mach_dep.lo"
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AC_DEFINE(NO_EXECUTE_PERMISSION)
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;;
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sparc-sun-solaris2.3*)
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machdep="sparc_mach_dep.lo"
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AC_DEFINE(SUNOS53_SHARED_LIB)
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;;
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sparc-sun-solaris2.*)
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machdep="sparc_mach_dep.lo"
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;;
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ia64-*-*)
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machdep="mach_dep.lo ia64_save_regs_in_stack.lo"
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;;
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esac
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if test x"$machdep" = x; then
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machdep="mach_dep.lo"
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fi
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addobjs="$addobjs $machdep"
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AC_SUBST(addobjs)
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dnl As of 4.13a2, the collector will not properly work on Solaris when
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dnl built with gcc and -O. So we remove -O in the appropriate case.
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case "$host" in
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sparc-sun-solaris2*)
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if test "$GCC" = yes; then
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new_CFLAGS=
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for i in $CFLAGS; do
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case "$i" in
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-O*)
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;;
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*)
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new_CFLAGS="$new_CFLAGS $i"
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;;
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esac
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done
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CFLAGS="$new_CFLAGS"
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fi
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;;
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esac
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dnl We need to override the top-level CFLAGS. This is how we do it.
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MY_CFLAGS="$CFLAGS"
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AC_SUBST(MY_CFLAGS)
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dnl Include defines that have become de facto standard.
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dnl ALL_INTERIOR_POINTERS can be overridden in startup code.
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AC_DEFINE(SILENT)
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AC_DEFINE(NO_SIGNALS)
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AC_DEFINE(NO_EXECUTE_PERMISSION)
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AC_DEFINE(ALL_INTERIOR_POINTERS)
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dnl By default, make the library as general as possible.
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AC_DEFINE(JAVA_FINALIZATION)
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AC_DEFINE(GC_GCJ_SUPPORT)
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AC_DEFINE(ATOMIC_UNCOLLECTABLE)
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dnl This is something of a hack. When cross-compiling we turn off
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dnl some functionality. These is only correct when targetting an
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dnl embedded system. FIXME.
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if test -n "${with_cross_host}"; then
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AC_DEFINE(NO_SIGSET)
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AC_DEFINE(NO_DEBUGGING)
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fi
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AC_ARG_ENABLE(full-debug,
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[ --enable-full-debug include full support for pointer backtracing etc.],
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[ if test "$enable_full_debug" = "yes"; then
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AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.")
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AC_DEFINE(KEEP_BACK_PTRS)
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AC_DEFINE(DBG_HDRS_ALL)
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case $host in
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ia64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH)
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;;
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x86-*-linux* | i586-*-linux* | i686-*-linux* | x86_64-*-linux* )
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AC_DEFINE(MAKE_BACK_GRAPH)
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AC_MSG_WARN("Client must not use -fomit-frame-pointer.")
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AC_DEFINE(SAVE_CALL_COUNT, 8)
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;;
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esac ]
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fi)
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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toolexecdir='$(exec_prefix)/$(target_alias)'
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toolexeclibdir='$(toolexecdir)/lib'
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else
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toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
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toolexeclibdir='$(libdir)'
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fi
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multi_os_directory=`$CC -print-multi-os-directory`
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case $multi_os_directory in
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.) ;; # Avoid trailing /.
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*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
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esac
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AC_SUBST(toolexecdir)
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AC_SUBST(toolexeclibdir)
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if test "${multilib}" = "yes"; then
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multilib_arg="--enable-multilib"
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else
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multilib_arg=
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fi
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AC_OUTPUT(Makefile include/Makefile, [
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dnl Put all the -D options in a file.
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echo "$DEFS" > boehm-cflags
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if test -n "$CONFIG_FILES"; then
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LD="${ORIGINAL_LD_FOR_MULTILIBS}"
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ac_file=Makefile . ${gc_basedir}/../config-ml.in
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fi],
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srcdir=${srcdir}
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host=${host}
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target=${target}
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with_multisubdir=${with_multisubdir}
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ac_configure_args="${multilib_arg} ${ac_configure_args}"
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CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
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gc_basedir=${gc_basedir}
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CC="${CC}"
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ORIGINAL_LD_FOR_MULTILIBS="${ORIGINAL_LD_FOR_MULTILIBS}"
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DEFS="$DEFS"
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)
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