Added missing file.
[tinycc/k1w1.git] / configure
blob770ea70281673f80ec4da16222557799364de532
1 #!/bin/sh
3 # tcc configure script (c) 2003 Fabrice Bellard
5 # set temporary file name
6 if test ! -z "$TMPDIR" ; then
7 TMPDIR1="${TMPDIR}"
8 elif test ! -z "$TEMPDIR" ; then
9 TMPDIR1="${TEMPDIR}"
10 else
11 TMPDIR1="/tmp"
14 TMPC="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
15 TMPO="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.o"
16 TMPE="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}"
17 TMPS="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.S"
18 TMPH="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.h"
20 # default parameters
21 build_cross="no"
22 use_libgcc="no"
23 prefix=""
24 execprefix=""
25 bindir=""
26 libdir=""
27 tccdir=""
28 includedir=""
29 mandir=""
30 sysroot=""
31 cross_prefix=""
32 cc="gcc"
33 host_cc="gcc"
34 ar="ar"
35 strip="strip"
36 cpu=`uname -m`
37 case "$cpu" in
38 i386|i486|i586|i686|i86pc|BePC)
39 cpu="x86"
41 x86_64)
42 cpu="x86-64"
44 armv4l)
45 cpu="armv4l"
47 alpha)
48 cpu="alpha"
50 "Power Macintosh"|ppc|ppc64)
51 cpu="powerpc"
53 mips)
54 cpu="mips"
56 s390)
57 cpu="s390"
60 cpu="unknown"
62 esac
63 gprof="no"
64 bigendian="no"
65 mingw32="no"
66 LIBSUF=".a"
67 EXESUF=""
69 # OS specific
70 targetos=`uname -s`
71 case $targetos in
72 MINGW32*)
73 mingw32="yes"
75 DragonFly)
76 noldl="yes"
78 OpenBSD)
79 noldl="yes"
81 *) ;;
82 esac
84 # find source path
85 # XXX: we assume an absolute path is given when launching configure,
86 # except in './configure' case.
87 source_path=${0%configure}
88 source_path=${source_path%/}
89 source_path_used="yes"
90 if test -z "$source_path" -o "$source_path" = "." ; then
91 source_path=`pwd`
92 source_path_used="no"
95 for opt do
96 case "$opt" in
97 --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
99 --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
101 --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
103 --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
105 --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
107 --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
109 --sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
111 --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
113 --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
115 --cc=*) cc=`echo $opt | cut -d '=' -f 2`
117 --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
119 --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
121 --extra-libs=*) extralibs=${opt#--extra-libs=}
123 --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
125 --enable-gprof) gprof="yes"
127 --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
129 --enable-cross) build_cross="yes"
131 --with-libgcc) use_libgcc="yes"
133 --help|-h) show_help="yes"
135 esac
136 done
138 # Checking for CFLAGS
139 if test -z "$CFLAGS"; then
140 CFLAGS="-O2"
143 cc="${cross_prefix}${cc}"
144 ar="${cross_prefix}${ar}"
145 strip="${cross_prefix}${strip}"
147 if test "$mingw32" = "yes" ; then
148 LIBSUF=".lib"
149 EXESUF=".exe"
152 if test -z "$cross_prefix" ; then
154 # ---
155 # big/little endian test
156 cat > $TMPC << EOF
157 #include <inttypes.h>
158 int main(int argc, char ** argv){
159 volatile uint32_t i=0x01234567;
160 return (*((uint8_t*)(&i))) == 0x67;
164 if $cc -o $TMPE $TMPC 2>/dev/null ; then
165 $TMPE && bigendian="yes"
166 else
167 echo big/little test failed
170 else
172 # if cross compiling, cannot launch a program, so make a static guess
173 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
174 bigendian="yes"
179 # check gcc version
180 cat > $TMPC <<EOF
181 int main(void) {
182 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
183 return 0;
184 #else
185 #error gcc < 3.2
186 #endif
190 gcc_major="2"
191 if $cc -o $TMPO $TMPC 2> /dev/null ; then
192 gcc_major="3"
194 cat > $TMPC <<EOF
195 int main(void) {
196 #if __GNUC__ >= 4
197 return 0;
198 #else
199 #error gcc < 4
200 #endif
204 if $cc -o $TMPO $TMPC 2> /dev/null ; then
205 gcc_major="4"
208 if test x"$show_help" = "xyes" ; then
209 cat << EOF
211 Usage: configure [options]
212 Options: [defaults in brackets after descriptions]
215 echo "Standard options:"
216 echo " --help print this message"
217 echo " --prefix=PREFIX install in PREFIX [$prefix]"
218 echo " --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX"
219 echo " [same as prefix]"
220 echo " --bindir=DIR user executables in DIR [EPREFIX/bin]"
221 echo " --libdir=DIR object code libraries in DIR [EPREFIX/lib]"
222 echo " --includedir=DIR C header files in DIR [PREFIX/include]"
223 echo " --mandir=DIR man documentation in DIR [PREFIX/man]"
224 echo " --enable-cross build cross compilers"
225 echo ""
226 echo "Advanced options (experts only):"
227 echo " --source-path=PATH path of source code [$source_path]"
228 echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
229 echo " --sysroot=PREFIX prepend PREFIX to library/include paths []"
230 echo " --cc=CC use C compiler CC [$cc]"
231 echo " --with-libgcc use /lib/libgcc_s.so.1 instead of libtcc1.a"
232 echo ""
233 #echo "NOTE: The object files are build at the place where configure is launched"
234 exit 1
237 if test "$mingw32" = "yes" ; then
238 if test -z "$prefix" ; then
239 prefix="C:/Program Files/tcc"
241 execprefix="$prefix"
242 bindir="$prefix"
243 tccdir="$prefix"
244 docdir="$prefix/doc"
245 else
246 if test -z "$prefix" ; then
247 prefix="/usr/local"
249 if test x"$execprefix" = x""; then
250 execprefix="${prefix}"
252 if test x"$bindir" = x""; then
253 bindir="${execprefix}/bin"
255 if test x"$docdir" = x""; then
256 docdir="$prefix/share/doc/tcc"
258 fi # mingw32
260 if test x"$libdir" = x""; then
261 libdir="${execprefix}/lib"
263 if test x"$tccdir" = x""; then
264 tccdir="${execprefix}/lib/tcc"
266 if test x"$mandir" = x""; then
267 mandir="${prefix}/man"
269 if test x"$includedir" = x""; then
270 includedir="${prefix}/include"
273 echo "Binary directory $bindir"
274 echo "TinyCC directory $tccdir"
275 echo "Library directory $libdir"
276 echo "Include directory $includedir"
277 echo "Manual directory $mandir"
278 echo "Doc directory $docdir"
279 echo "Target root prefix $sysroot"
280 echo "Source path $source_path"
281 echo "C compiler $cc"
282 echo "CPU $cpu"
283 echo "Big Endian $bigendian"
284 echo "gprof enabled $gprof"
285 echo "cross compilers $build_cross"
286 echo "use libgcc $use_libgcc"
288 echo "Creating config.mak and config.h"
290 echo "# Automatically generated by configure - do not modify" > config.mak
291 echo "/* Automatically generated by configure - do not modify */" > $TMPH
293 echo "prefix=\$(DESTDIR)$prefix" >> config.mak
294 echo "bindir=\$(DESTDIR)$bindir" >> config.mak
295 echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
296 echo "libdir=\$(DESTDIR)$libdir" >> config.mak
297 echo "includedir=\$(DESTDIR)$includedir" >> config.mak
298 echo "mandir=\$(DESTDIR)$mandir" >> config.mak
299 echo "docdir=\$(DESTDIR)$docdir" >> config.mak
301 echo "#define CONFIG_SYSROOT \"$sysroot\"" >> $TMPH
302 echo "#define CONFIG_TCCDIR \"$tccdir\"" >> $TMPH
303 echo "CC=$cc" >> config.mak
304 echo "GCC_MAJOR=$gcc_major" >> config.mak
305 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
306 echo "HOST_CC=$host_cc" >> config.mak
307 echo "AR=$ar" >> config.mak
308 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
309 echo "CFLAGS=$CFLAGS" >> config.mak
310 echo "LDFLAGS=$LDFLAGS" >> config.mak
311 echo "LIBSUF=$LIBSUF" >> config.mak
312 echo "EXESUF=$EXESUF" >> config.mak
313 if test "$cpu" = "x86" ; then
314 echo "ARCH=i386" >> config.mak
315 echo "#define HOST_I386 1" >> $TMPH
316 elif test "$cpu" = "x86-64" ; then
317 echo "ARCH=x86-64" >> config.mak
318 echo "#define HOST_X86_64 1" >> $TMPH
319 elif test "$cpu" = "armv4l" ; then
320 echo "ARCH=arm" >> config.mak
321 echo "#define HOST_ARM 1" >> $TMPH
322 elif test "$cpu" = "powerpc" ; then
323 echo "ARCH=ppc" >> config.mak
324 echo "#define HOST_PPC 1" >> $TMPH
325 elif test "$cpu" = "mips" ; then
326 echo "ARCH=mips" >> config.mak
327 echo "#define HOST_MIPS 1" >> $TMPH
328 elif test "$cpu" = "s390" ; then
329 echo "ARCH=s390" >> config.mak
330 echo "#define HOST_S390 1" >> $TMPH
331 elif test "$cpu" = "alpha" ; then
332 echo "ARCH=alpha" >> config.mak
333 echo "#define HOST_ALPHA 1" >> $TMPH
334 else
335 echo "Unsupported CPU"
336 exit 1
338 if test "$noldl" = "yes" ; then
339 echo "CONFIG_NOLDL=yes" >> config.mak
341 if test "$mingw32" = "yes" ; then
342 echo "CONFIG_WIN32=yes" >> config.mak
343 echo "#define CONFIG_WIN32 1" >> $TMPH
345 if test "$bigendian" = "yes" ; then
346 echo "WORDS_BIGENDIAN=yes" >> config.mak
347 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
349 if test "$gprof" = "yes" ; then
350 echo "TARGET_GPROF=yes" >> config.mak
351 echo "#define HAVE_GPROF 1" >> $TMPH
353 if test "$build_cross" = "yes" ; then
354 echo "CONFIG_CROSS=yes" >> config.mak
356 if test "$use_libgcc" = "yes" ; then
357 echo "#define CONFIG_USE_LIBGCC" >> $TMPH
358 echo "CONFIG_USE_LIBGCC=yes" >> config.mak
360 version=`head $source_path/VERSION`
361 echo "VERSION=$version" >>config.mak
362 echo "#define TCC_VERSION \"$version\"" >> $TMPH
363 echo "@set VERSION $version" > config.texi
365 # build tree in object directory if source path is different from current one
366 if test "$source_path_used" = "yes" ; then
367 DIRS="tests"
368 FILES="Makefile tests/Makefile"
369 for dir in $DIRS ; do
370 mkdir -p $dir
371 done
372 for f in $FILES ; do
373 ln -sf $source_path/$f $f
374 done
376 echo "SRC_PATH=$source_path" >> config.mak
378 diff $TMPH config.h >/dev/null 2>&1
379 if test $? -ne 0 ; then
380 mv -f $TMPH config.h
381 else
382 echo "config.h is unchanged"
385 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH