xref: /openbmc/qemu/configure (revision 7a3f194486ad5c8e21c96a19dee37b14a1057580)
1#!/bin/sh
2#
3# qemu configure script (c) 2003 Fabrice Bellard
4#
5# set temporary file name
6if test ! -z "$TMPDIR" ; then
7    TMPDIR1="${TMPDIR}"
8elif test ! -z "$TEMPDIR" ; then
9    TMPDIR1="${TEMPDIR}"
10else
11    TMPDIR1="/tmp"
12fi
13
14TMPC="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.c"
15TMPO="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.o"
16TMPE="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}"
17TMPS="${TMPDIR1}/qemu-conf-${RANDOM}-$$-${RANDOM}.S"
18
19# default parameters
20prefix="/usr/local"
21interp_prefix="/usr/gnemul/qemu-i386"
22static="no"
23cross_prefix=""
24cc="gcc"
25host_cc="gcc"
26ar="ar"
27make="make"
28strip="strip"
29cpu=`uname -m`
30target_list="i386 i386-softmmu arm"
31case "$cpu" in
32  i386|i486|i586|i686|i86pc|BePC)
33    cpu="i386"
34  ;;
35  armv4l)
36    cpu="armv4l"
37  ;;
38  alpha)
39    cpu="alpha"
40  ;;
41  "Power Macintosh"|ppc|ppc64)
42    cpu="powerpc"
43  ;;
44  mips)
45    cpu="mips"
46  ;;
47  s390)
48    cpu="s390"
49  ;;
50  sparc)
51    cpu="sparc"
52  ;;
53  sparc64)
54    cpu="sparc64"
55  ;;
56  ia64)
57    cpu="ia64"
58  ;;
59  m68k)
60    cpu="m68k"
61  ;;
62  *)
63    cpu="unknown"
64  ;;
65esac
66gprof="no"
67bigendian="no"
68
69# OS specific
70targetos=`uname -s`
71case $targetos in
72*) ;;
73esac
74
75##########################################
76# SDL probe
77
78cat > $TMPC << EOF
79#include <SDL.h>
80#undef main /* We don't want SDL to override our main() */
81int main( void ) { return SDL_Init (SDL_INIT_VIDEO); }
82EOF
83
84sdl_too_old=no
85sdl=no
86if $cc -o $TMPE `sdl-config --cflags` $TMPC `sdl-config --libs`  2> /dev/null  ; then
87_sdlversion=`sdl-config --version | sed 's/[^0-9]//g'`
88if test "$_sdlversion" -lt 121 ; then
89sdl_too_old=yes
90else
91sdl=yes
92fi
93fi
94
95# find source path
96# XXX: we assume an absolute path is given when launching configure,
97# except in './configure' case.
98source_path=${0%configure}
99source_path=${source_path%/}
100source_path_used="yes"
101if test -z "$source_path" -o "$source_path" = "." ; then
102    source_path=`pwd`
103    source_path_used="no"
104fi
105
106for opt do
107  case "$opt" in
108  --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
109  ;;
110  --interp-prefix=*) interp_prefix=`echo $opt | cut -d '=' -f 2`
111  ;;
112  --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
113  ;;
114  --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
115  ;;
116  --cc=*) cc=`echo $opt | cut -d '=' -f 2`
117  ;;
118  --make=*) make=`echo $opt | cut -d '=' -f 2`
119  ;;
120  --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
121  ;;
122  --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
123  ;;
124  --extra-libs=*) extralibs=${opt#--extra-libs=}
125  ;;
126  --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
127  ;;
128  --target-list=*) target_list=${opt#--target-list=}
129  ;;
130  --enable-gprof) gprof="yes"
131  ;;
132  --static) static="yes"
133  ;;
134  --disable-sdl) sdl="no"
135  ;;
136  esac
137done
138
139# Checking for CFLAGS
140if test -z "$CFLAGS"; then
141    CFLAGS="-O2"
142fi
143
144cc="${cross_prefix}${cc}"
145ar="${cross_prefix}${ar}"
146strip="${cross_prefix}${strip}"
147
148if test -z "$cross_prefix" ; then
149
150# ---
151# big/little endian test
152cat > $TMPC << EOF
153#include <inttypes.h>
154int main(int argc, char ** argv){
155	volatile uint32_t i=0x01234567;
156	return (*((uint8_t*)(&i))) == 0x67;
157}
158EOF
159
160if $cc -o $TMPE $TMPC 2>/dev/null ; then
161$TMPE && bigendian="yes"
162else
163echo big/little test failed
164fi
165
166else
167
168# if cross compiling, cannot launch a program, so make a static guess
169if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" -o "$cpu" = "sparc" -o "$cpu" = "sparc64" -o "$cpu" = "m68k"; then
170    bigendian="yes"
171fi
172
173fi
174
175# check gcc options support
176cat > $TMPC <<EOF
177int main(void) {
178}
179EOF
180
181have_gcc3_options="no"
182if $cc -fno-reorder-blocks -fno-optimize-sibling-calls -o $TMPO $TMPC 2> /dev/null ; then
183   have_gcc3_options="yes"
184fi
185
186if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
187cat << EOF
188
189Usage: configure [options]
190Options: [defaults in brackets after descriptions]
191
192EOF
193echo "Standard options:"
194echo "  --help                   print this message"
195echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
196echo "  --interp-prefix=PREFIX   where to find shared libraries, etc. [$interp_prefix]"
197echo "  --target-list=LIST       set target list [$target_list]"
198echo ""
199echo "Advanced options (experts only):"
200echo "  --source-path=PATH       path of source code [$source_path]"
201echo "  --cross-prefix=PREFIX    use PREFIX for compile tools [$cross_prefix]"
202echo "  --cc=CC                  use C compiler CC [$cc]"
203echo "  --make=MAKE              use specified make [$make]"
204echo "  --static                 enable static build [$static]"
205echo ""
206echo "NOTE: The object files are build at the place where configure is launched"
207exit 1
208fi
209
210echo "Install prefix    $prefix"
211echo "Source path       $source_path"
212echo "ELF interp prefix $interp_prefix"
213echo "C compiler        $cc"
214echo "make              $make"
215echo "host CPU          $cpu"
216echo "host big endian   $bigendian"
217echo "target list       $target_list"
218echo "gprof enabled     $gprof"
219echo "static build      $static"
220echo "SDL support       $sdl"
221if test $sdl_too_old = "yes"; then
222echo "-> Your SDL version is too old - please upgrade to have FFplay/SDL support"
223fi
224
225config_mak="config-host.mak"
226config_h="config-host.h"
227
228echo "Creating $config_mak and $config_h"
229
230echo "# Automatically generated by configure - do not modify" > $config_mak
231echo "/* Automatically generated by configure - do not modify */" > $config_h
232
233echo "prefix=$prefix" >> $config_mak
234echo "MAKE=$make" >> $config_mak
235echo "CC=$cc" >> $config_mak
236if test "$have_gcc3_options" = "yes" ; then
237  echo "HAVE_GCC3_OPTIONS=yes" >> $config_mak
238fi
239echo "HOST_CC=$host_cc" >> $config_mak
240echo "AR=$ar" >> $config_mak
241echo "STRIP=$strip -s -R .comment -R .note" >> $config_mak
242echo "CFLAGS=$CFLAGS" >> $config_mak
243echo "LDFLAGS=$LDFLAGS" >> $config_mak
244if test "$cpu" = "i386" ; then
245  echo "ARCH=i386" >> $config_mak
246  echo "#define HOST_I386 1" >> $config_h
247elif test "$cpu" = "armv4l" ; then
248  echo "ARCH=arm" >> $config_mak
249  echo "#define HOST_ARM 1" >> $config_h
250elif test "$cpu" = "powerpc" ; then
251  echo "ARCH=ppc" >> $config_mak
252  echo "#define HOST_PPC 1" >> $config_h
253elif test "$cpu" = "mips" ; then
254  echo "ARCH=mips" >> $config_mak
255  echo "#define HOST_MIPS 1" >> $config_h
256elif test "$cpu" = "s390" ; then
257  echo "ARCH=s390" >> $config_mak
258  echo "#define HOST_S390 1" >> $config_h
259elif test "$cpu" = "alpha" ; then
260  echo "ARCH=alpha" >> $config_mak
261  echo "#define HOST_ALPHA 1" >> $config_h
262elif test "$cpu" = "sparc" ; then
263  echo "ARCH=sparc" >> $config_mak
264  echo "#define HOST_SPARC 1" >> $config_h
265elif test "$cpu" = "sparc64" ; then
266  echo "ARCH=sparc64" >> $config_mak
267  echo "#define HOST_SPARC64 1" >> $config_h
268elif test "$cpu" = "ia64" ; then
269  echo "ARCH=ia64" >> $config_mak
270  echo "#define HOST_IA64 1" >> $config_h
271elif test "$cpu" = "m68k" ; then
272  echo "ARCH=m68k" >> config.mak
273  echo "#define HOST_M68K 1" >> $TMPH
274else
275  echo "Unsupported CPU"
276  exit 1
277fi
278if test "$bigendian" = "yes" ; then
279  echo "WORDS_BIGENDIAN=yes" >> $config_mak
280  echo "#define WORDS_BIGENDIAN 1" >> $config_h
281fi
282echo "#define HAVE_BYTESWAP_H 1" >> $config_h
283if test "$gprof" = "yes" ; then
284  echo "TARGET_GPROF=yes" >> $config_mak
285  echo "#define HAVE_GPROF 1" >> $config_h
286fi
287if test "$static" = "yes" ; then
288  echo "CONFIG_STATIC=yes" >> $config_mak
289fi
290if test "$sdl" = "yes" ; then
291  echo "CONFIG_SDL=yes" >> $config_mak
292  echo "#define CONFIG_SDL 1" >> $config_h
293  echo "SDL_LIBS=`sdl-config --libs`" >> $config_mak
294  echo "SDL_CFLAGS=`sdl-config --cflags`" >> $config_mak
295fi
296echo -n "VERSION=" >>$config_mak
297head $source_path/VERSION >>$config_mak
298echo "" >>$config_mak
299echo -n "#define QEMU_VERSION \"" >> $config_h
300head $source_path/VERSION >> $config_h
301echo "\"" >> $config_h
302
303echo "SRC_PATH=$source_path" >> $config_mak
304echo "TARGET_DIRS=$target_list" >> $config_mak
305
306for target in $target_list; do
307
308target_dir="$target"
309config_mak=$target_dir/config.mak
310config_h=$target_dir/config.h
311target_cpu=`echo $target | cut -d '-' -f 1`
312target_bigendian="no"
313target_softmmu="no"
314if expr $target : '.*-softmmu' > /dev/null ; then
315  target_softmmu="yes"
316fi
317
318echo "Creating $config_mak, $config_h and $target_dir/Makefile"
319
320mkdir -p $target_dir
321ln -sf $source_path/Makefile.target $target_dir/Makefile
322
323echo "# Automatically generated by configure - do not modify" > $config_mak
324echo "/* Automatically generated by configure - do not modify */" > $config_h
325
326
327echo "include ../config-host.mak" >> $config_mak
328echo "#include \"../config-host.h\"" >> $config_h
329echo "#define CONFIG_QEMU_PREFIX \"$interp_prefix\"" >> $config_h
330
331if test "$target_cpu" = "i386" ; then
332  echo "TARGET_ARCH=i386" >> $config_mak
333  echo "#define TARGET_ARCH \"i386\"" >> $config_h
334  echo "#define TARGET_I386 1" >> $config_h
335elif test "$target_cpu" = "arm" ; then
336  echo "TARGET_ARCH=arm" >> $config_mak
337  echo "#define TARGET_ARCH \"arm\"" >> $config_h
338  echo "#define TARGET_ARM 1" >> $config_h
339else
340  echo "Unsupported target CPU"
341  exit 1
342fi
343if test "$target_bigendian" = "yes" ; then
344  echo "TARGET_WORDS_BIGENDIAN=yes" >> $config_mak
345  echo "#define TARGET_WORDS_BIGENDIAN 1" >> $config_h
346fi
347if test "$target_softmmu" = "yes" ; then
348  echo "CONFIG_SOFTMMU=yes" >> $config_mak
349  echo "#define CONFIG_SOFTMMU 1" >> $config_h
350fi
351
352done # for target in $targets
353
354# build tree in object directory if source path is different from current one
355if test "$source_path_used" = "yes" ; then
356    DIRS="tests"
357    FILES="Makefile tests/Makefile"
358    for dir in $DIRS ; do
359            mkdir -p $dir
360    done
361    for f in $FILES ; do
362        ln -sf $source_path/$f $f
363    done
364fi
365
366rm -f $TMPO $TMPC $TMPE $TMPS
367