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root/cebix/SheepShaver/src/Windows/configure.ac
Revision: 1.2
Committed: 2005-03-24T23:39:19Z (19 years, 7 months ago) by gbeauche
Branch: MAIN
Changes since 1.1: +5 -3 lines
Log Message:
cross-compilation fixes

File Contents

# User Rev Content
1 gbeauche 1.1 dnl Process this file with autoconf to produce a configure script.
2     dnl Written in 2002 by Christian Bauer
3    
4     AC_INIT([SheepShaver], 2.2, [Christian.Bauer@uni-mainz.de], SheepShaver)
5     AC_CONFIG_SRCDIR(main_windows.cpp)
6     AC_CONFIG_AUX_DIR(../Unix)
7     AC_PREREQ(2.52)
8     AC_CONFIG_HEADER(config.h)
9    
10     dnl Canonical system information.
11     AC_CANONICAL_HOST
12     AC_CANONICAL_TARGET
13    
14     dnl Options.
15     AC_ARG_ENABLE(jit, [ --enable-jit enable JIT compiler [default=yes]], [WANT_JIT=$enableval], [WANT_JIT=yes])
16    
17     dnl Checks for programs.
18     AC_PROG_CC
19     AC_PROG_CPP
20     AC_PROG_CXX
21     AC_PROG_MAKE_SET
22     AC_PROG_EGREP
23     AC_PROG_LN_S
24     AC_PATH_PROG(PERL, [perl])
25 gbeauche 1.2 AC_CHECK_TOOL(WINDRES, windres)
26 gbeauche 1.1
27     dnl We use 64-bit file size support if possible.
28     AC_SYS_LARGEFILE
29    
30     dnl Checks for header files.
31     AC_HEADER_STDC
32    
33     dnl Checks for typedefs, structures, and compiler characteristics.
34     AC_C_BIGENDIAN
35     AC_C_CONST
36     AC_C_INLINE
37     AC_CHECK_SIZEOF(short, 2)
38     AC_CHECK_SIZEOF(int, 4)
39     AC_CHECK_SIZEOF(long, 4)
40     AC_CHECK_SIZEOF(long long, 8)
41     AC_CHECK_SIZEOF(float, 4)
42     AC_CHECK_SIZEOF(double, 8)
43     AC_CHECK_SIZEOF(void *, 4)
44     AC_TYPE_OFF_T
45 gbeauche 1.2 AC_CHECK_TYPES(loff_t)
46 gbeauche 1.1 AC_TYPE_SIZE_T
47    
48     dnl Checks for library functions.
49     AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
50    
51     dnl Define a macro that translates a yesno-variable into a C macro definition
52     dnl to be put into the config.h file
53     dnl $1 -- the macro to define
54     dnl $2 -- the value to translate
55     dnl $3 -- template name
56     AC_DEFUN([AC_TRANSLATE_DEFINE], [
57     if [[ "x$2" = "xyes" -o "x$2" = "xguessing yes" ]]; then
58     AC_DEFINE($1, 1, $3)
59     fi
60     ])
61    
62     dnl Check that VirtualAlloc(), VirtualProtect() work
63     AC_CACHE_CHECK([whether VirtualProtect works],
64     ac_cv_VirtualProtect_works, [
65     AC_LANG_SAVE
66     AC_LANG_CPLUSPLUS
67     ac_cv_VirtualProtect_works=yes
68     dnl First the tests that should segfault
69     for test_def in NONE_READ NONE_WRITE READ_WRITE; do
70     AC_TRY_RUN([
71     #define HAVE_WIN32_VM 1
72     #define CONFIGURE_TEST_VM_MAP
73     #define TEST_VM_PROT_$test_def
74     #include "../Unix/vm_alloc.cpp"
75     ], ac_cv_VirtualProtect_works=no, rm -f core,
76     dnl When cross-compiling, assume it works
77     ac_cv_VirtualProtect_works="yes"
78     )
79     done
80     AC_TRY_RUN([
81     #define HAVE_WIN32_VM 1
82     #define CONFIGURE_TEST_VM_MAP
83     #define TEST_VM_PROT_RDWR_WRITE
84     #include "../Unix/vm_alloc.cpp"
85     ], , ac_cv_VirtualProtect_works=no,
86     dnl When cross-compiling, assume it works
87     ac_cv_VirtualProtect_works="yes"
88     )
89     AC_LANG_RESTORE
90     ]
91     )
92     if [[ "x$ac_cv_VirtualProtect_works" = "xyes" ]]; then
93     AC_DEFINE(HAVE_WIN32_VM, 1, [Define if your system has a working Win32-based memory allocator.])
94     else
95     AC_MSG_ERROR([Sorry, Windows VM functions don't work as expected on your system.])
96     fi
97    
98     dnl Check if Windows exceptions are supported.
99     AC_CACHE_CHECK([whether your system supports Windows exceptions],
100     ac_cv_have_win32_exceptions, [
101     AC_LANG_SAVE
102     AC_LANG_CPLUSPLUS
103     AC_TRY_RUN([
104     #define HAVE_WIN32_EXCEPTIONS 1
105     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
106     #include "../Unix/vm_alloc.cpp"
107     #include "../Unix/sigsegv.cpp"
108     ],
109     ac_cv_have_win32_exceptions=yes,
110     ac_cv_have_win32_exceptions=no,
111     dnl When cross-compiling, assume it works
112     ac_cv_have_win32_exceptions="yes"
113     )
114     AC_LANG_RESTORE
115     ]
116     )
117     if [[ "x$ac_cv_have_win32_exceptions" = "xyes" ]]; then
118     AC_DEFINE(HAVE_WIN32_EXCEPTIONS, 1, [Define if your system supports Windows exceptions.])
119     else
120     AC_MSG_ERROR([Sorry, Windows exceptions don't work as expected on your system.])
121     fi
122    
123     dnl Check if we can ignore the fault (instruction skipping in SIGSEGV handler)
124     AC_CACHE_CHECK([whether we can skip instruction in SIGSEGV handler],
125     ac_cv_have_skip_instruction, [
126     AC_LANG_SAVE
127     AC_LANG_CPLUSPLUS
128     AC_TRY_RUN([
129     #define HAVE_SIGSEGV_SKIP_INSTRUCTION 1
130     #define CONFIGURE_TEST_SIGSEGV_RECOVERY
131     #include "../Unix/vm_alloc.cpp"
132     #include "../Unix/sigsegv.cpp"
133     ], ac_cv_have_skip_instruction=yes, ac_cv_have_skip_instruction=no,
134 gbeauche 1.2 dnl When cross-compiling, assume it works
135     ac_cv_have_skip_instruction="yes"
136 gbeauche 1.1 )
137     AC_LANG_RESTORE
138     ]
139     )
140     AC_TRANSLATE_DEFINE(HAVE_SIGSEGV_SKIP_INSTRUCTION, "$ac_cv_have_skip_instruction",
141     [Define if we can ignore the fault (instruction skipping in SIGSEGV handler).])
142    
143     dnl We really want VOSF (Video on SEGV Signals) screen updates acceleration
144     AC_DEFINE(ENABLE_VOSF, 1, [Define if using video enabled on SEGV signals.])
145    
146     dnl Check for GCC 2.7 or higher.
147     HAVE_GCC27=no
148     AC_MSG_CHECKING(for GCC 2.7 or higher)
149     AC_EGREP_CPP(xyes,
150     [#if __GNUC__ - 1 > 1 || __GNUC_MINOR__ - 1 > 5
151     xyes
152     #endif
153     ], [AC_MSG_RESULT(yes); HAVE_GCC27=yes], AC_MSG_RESULT(no))
154    
155     dnl Check for GCC 3.0 or higher.
156     HAVE_GCC30=no
157     AC_MSG_CHECKING(for GCC 3.0 or higher)
158     AC_EGREP_CPP(xyes,
159     [#if __GNUC__ >= 3
160     xyes
161     #endif
162     ], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
163    
164     dnl CPU emulator sources
165     CPUSRCS="\
166     ../kpx_cpu/src/mathlib/ieeefp.cpp \
167     ../kpx_cpu/src/cpu/ppc/ppc-cpu.cpp \
168     ../kpx_cpu/src/cpu/ppc/ppc-decode.cpp \
169     ../kpx_cpu/src/cpu/ppc/ppc-execute.cpp \
170     ../kpx_cpu/src/cpu/ppc/ppc-translate.cpp"
171     CPPFLAGS="$CPPFLAGS -I../kpx_cpu/include -I../kpx_cpu/src"
172    
173     dnl Enable JIT compiler, if possible
174     USE_DYNGEN="no"
175     if [[ "x$WANT_JIT" = "xyes" ]]; then
176     case $host_cpu in
177     i?86)
178     DYNGEN_OP_FLAGS="-fomit-frame-pointer -mpreferred-stack-boundary=2"
179     if [[ "x$HAVE_GCC30" = "xyes" ]]; then
180     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -falign-functions=0"
181     else
182     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -malign-functions=0"
183     fi
184     ;;
185     esac
186     USE_DYNGEN="yes"
187     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -finline-limit=10000 -g0"
188     if [[ "x$HAVE_GCC30" = "xyes" ]]; then
189     DYNGEN_OP_FLAGS="$DYNGEN_OP_FLAGS -fno-reorder-blocks -fno-optimize-sibling-calls"
190     fi
191     AC_DEFINE(ENABLE_DYNGEN, 1, [Define to enable dyngen engine])
192     DYNGENSRCS="\
193     ../kpx_cpu/src/cpu/jit/dyngen.c \
194     ../kpx_cpu/src/cpu/jit/cxxdemangle.cpp"
195     CPUSRCS="\
196     ../kpx_cpu/src/cpu/jit/jit-cache.cpp \
197     ../kpx_cpu/src/cpu/jit/basic-dyngen.cpp \
198     ../kpx_cpu/src/cpu/ppc/ppc-dyngen.cpp $CPUSRCS"
199     CPPFLAGS="$CPPFLAGS -DUSE_JIT"
200     fi
201     CPUSRCS="$CPUSRCS ../kpx_cpu/sheepshaver_glue.cpp"
202    
203     dnl We really want SDL for now
204 gbeauche 1.2 AC_CHECK_TOOL(sdl_config, sdl-config, [AC_MSG_ERROR([Sorry, you currently need SDL for this port])])
205 gbeauche 1.1 sdl_cflags=`$sdl_config --cflags`
206     sdl_libs=`$sdl_config --libs`
207     CFLAGS="$CFLAGS $sdl_cflags"
208     CXXFLAGS="$CXXFLAGS $sdl_cflags"
209     LIBS="$LIBS $sdl_libs"
210     AC_DEFINE(USE_SDL, 1, [Define to enble SDL support])
211     AC_DEFINE(USE_SDL_VIDEO, 1, [Define to enable SDL video graphics support])
212     AC_DEFINE(USE_SDL_AUDIO, 1, [Define to enable SDL audio support])
213    
214     dnl Remove the "-g" option if set for GCC.
215     if [[ "x$HAVE_GCC27" = "xyes" ]]; then
216     CFLAGS=`echo $CFLAGS | sed -e 's/-g\b//g'`
217     CXXFLAGS=`echo $CXXFLAGS | sed -e 's/-g\b//g'`
218     fi
219    
220     dnl Generate Makefile.
221     AC_SUBST(PERL)
222     AC_SUBST(USE_DYNGEN)
223     AC_SUBST(DYNGENSRCS)
224     AC_SUBST(DYNGEN_OP_FLAGS)
225     AC_SUBST(CPUSRCS)
226     AC_OUTPUT([Makefile])
227    
228     dnl Print summary.
229     echo
230     echo SheepShaver configuration summary:
231     echo
232     echo Enable JIT compiler .............. : $WANT_JIT
233     echo
234     echo "Configuration done. Now type \"make\"."