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Diffstat (limited to 'gc/configure.in')
| -rw-r--r-- | gc/configure.in | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/gc/configure.in b/gc/configure.in new file mode 100644 index 0000000..fa3f81a --- /dev/null +++ b/gc/configure.in @@ -0,0 +1,260 @@ +# Copyright (c) 1999-2001 by Red Hat, Inc. All rights reserved. +# +# THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED +# OR IMPLIED. ANY USE IS AT YOUR OWN RISK. +# +# Permission is hereby granted to use or copy this program +# for any purpose, provided the above notices are retained on all copies. +# Permission to modify the code and to distribute modified code is granted, +# provided the above notices are retained, and a notice that the code was +# modified is included with the above copyright notice. +# +# Original author: Tom Tromey + +dnl Process this file with autoconf to produce configure. + +AC_INIT(gcj_mlc.c) + +dnl Can't be done in GC_CONFIGURE because that confuses automake. +AC_CONFIG_AUX_DIR(.) + +AC_CANONICAL_SYSTEM + +GC_CONFIGURE(.) + +AM_PROG_LIBTOOL + +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 false; then + # autoconf 2.50 runs AC_EXEEXT by default, and the macro expands + # to nothing, so nothing would remain between `then' and `fi' if it + # were not for the `:' below. + : + AC_EXEEXT +fi + +AC_MSG_CHECKING([for threads package to use]) +AC_ARG_ENABLE(threads, [ --enable-threads=TYPE choose threading package], + THREADS=$enableval, + [ AC_MSG_CHECKING([for thread model used by GCC]) + THREADS=`$CC -v 2>&1 | sed -n 's/^Thread model: //p'` + if test -z "$THREADS"; then + THREADS=no + fi + AC_MSG_RESULT([$THREADS])]) + +AC_ARG_ENABLE(parallel-mark, +[ --enable-parallel-mark parallelize marking and free list construction], + [case "$THREADS" in + no | none | single) + AC_MSG_ERROR([Parallel mark requires --enable-threads=x spec]) + ;; + esac] +) + +INCLUDES=-I${srcdir}/include +THREADLIBS= +case "$THREADS" in + no | none | single) + THREADS=none + ;; + posix | pthreads) + THREADS=posix + THREADLIBS=-lpthread + case "$host" in + x86-*-linux* | ia64-*-linux* | i586-*-linux* | i686-*-linux*) + AC_DEFINE(GC_LINUX_THREADS) + AC_DEFINE(_REENTRANT) + if test "${enable_parallel_mark}"; then + AC_DEFINE(PARALLEL_MARK) + fi + AC_DEFINE(THREAD_LOCAL_ALLOC) + ;; + *-*-linux*) + AC_DEFINE(GC_LINUX_THREADS) + AC_DEFINE(_REENTRANT) + ;; + *-*-hpux*) + AC_MSG_WARN("Only HP/UX 11 threads are supported.") + AC_DEFINE(GC_HPUX_THREADS) + AC_DEFINE(_POSIX_C_SOURCE,199506L) + if test "${enable_parallel_mark}" = yes; then + AC_DEFINE(PARALLEL_MARK) + fi + AC_DEFINE(THREAD_LOCAL_ALLOC) + THREADLIBS="-lpthread -lrt" + ;; + *-*-freebsd*) + AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.") + AC_DEFINE(FREEBSD_THREADS) + INCLUDES="$INCLUDES -pthread" + THREADLIBS=-pthread + ;; + *-*-solaris*) + AC_DEFINE(GC_SOLARIS_THREADS) + AC_DEFINE(GC_SOLARIS_PTHREADS) + ;; + *-*-irix*) + AC_DEFINE(GC_IRIX_THREADS) + ;; + esac + ;; + 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_SUBST(THREADLIBS) + +AC_CHECK_LIB(dl, dlopen, EXTRA_TEST_LIBS="$EXTRA_TEST_LIBS -ldl") +AC_SUBST(EXTRA_TEST_LIBS) + +target_all=libgc.la +AC_SUBST(target_all) + +dnl If the target is an eCos system, use the appropriate eCos +dnl I/O routines. +dnl FIXME: this should not be a local option but a global target +dnl system; at present there is no eCos target. +TARGET_ECOS="no" +AC_ARG_WITH(ecos, +[ --with-ecos enable runtime eCos target support], +TARGET_ECOS="$with_ecos" +) + +addobjs= +CXXINCLUDES= +case "$TARGET_ECOS" in + no) + ;; + *) + AC_DEFINE(ECOS) + CXXINCLUDES="-I${TARGET_ECOS}/include" + addobjs="$addobjs ecos.lo" + ;; +esac +AC_SUBST(CXX) + +AC_SUBST(INCLUDES) +AC_SUBST(CXXINCLUDES) + +machdep= +case "$host" in +# alpha_mach_dep.s assumes that pointers are not saved in fp registers. +# Gcc on a 21264 can spill pointers to fp registers. Oops. +# alpha*-*-*) +# machdep="alpha_mach_dep.lo" +# ;; + mipstx39-*-elf*) + machdep="mips_ultrix_mach_dep.lo" + AC_DEFINE(STACKBASE, __stackbase) + AC_DEFINE(DATASTART_IS_ETEXT) + ;; + mips-dec-ultrix*) + machdep="mips_ultrix_mach-dep.lo" + ;; + mips-*-*) + machdep="mips_sgi_mach_dep.lo" + AC_DEFINE(NO_EXECUTE_PERMISSION) + ;; + sparc-sun-solaris2.3*) + AC_DEFINE(SUNOS53_SHARED_LIB) + ;; +esac +if test x"$machdep" = x; then + machdep="mach_dep.lo" +fi +addobjs="$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="$CFLAGS" +AC_SUBST(MY_CFLAGS) + +dnl Include defines that have become de facto standard. +dnl ALL_INTERIOR_POINTERS can be overridden in startup code. +AC_DEFINE(SILENT) +AC_DEFINE(NO_SIGNALS) +AC_DEFINE(NO_EXECUTE_PERMISSION) +AC_DEFINE(ALL_INTERIOR_POINTERS) + +dnl By default, make the library as general as possible. +AC_DEFINE(JAVA_FINALIZATION) +AC_DEFINE(GC_GCJ_SUPPORT) +AC_DEFINE(ATOMIC_UNCOLLECTABLE) + +dnl This is something of a hack. When cross-compiling we turn off +dnl some functionality. We also enable the "small" configuration. +dnl These is only correct when targetting an embedded system. FIXME. +if test -n "${with_cross_host}"; then + AC_DEFINE(NO_SIGSET) + AC_DEFINE(NO_CLOCK) + AC_DEFINE(SMALL_CONFIG) + AC_DEFINE(NO_DEBUGGING) +fi + +AC_ARG_ENABLE(full-debug, +[ --enable-full-debug include full support for pointer backtracing etc.], +[ if test "$enable_full_debug" = "yes"; then + AC_MSG_WARN("Must define GC_DEBUG and use debug alloc. in clients.") + AC_DEFINE(KEEP_BACK_PTRS) + AC_DEFINE(DBG_HDRS_ALL) + case $host in + x86-*-linux* | i586-*-linux* | i686-*-linux* ) + AC_MSG_WARN("Client must not use -fomit-frame-pointer.") + AC_DEFINE(SAVE_CALL_COUNT, 8) + ;; + esac ] + fi) + +AM_CONDITIONAL(USE_LIBDIR, test -z "$with_cross_host") + +if test "${multilib}" = "yes"; then + multilib_arg="--enable-multilib" +else + multilib_arg= +fi + +AC_OUTPUT(Makefile,, +srcdir=${srcdir} +host=${host} +target=${target} +with_multisubdir=${with_multisubdir} +ac_configure_args="${multilib_arg} ${ac_configure_args}" +CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} +gc_basedir=${gc_basedir} +CC="${CC}" +DEFS="$DEFS" +) |