update
[tinycc.git] / configure
blob9202631241dd1881c8240cedfbd50e07a39b709f
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}-$$-${RANDOM}.h"
20 # default parameters
21 prefix=""
22 execprefix=""
23 bindir=""
24 libdir=""
25 includedir=""
26 mandir=""
27 cross_prefix=""
28 cc="gcc"
29 host_cc="gcc"
30 ar="ar"
31 make="make"
32 strip="strip"
33 cpu=`uname -m`
34 case "$cpu" in
35 i386|i486|i586|i686|i86pc|BePC)
36 cpu="x86"
38 armv4l)
39 cpu="armv4l"
41 alpha)
42 cpu="alpha"
44 "Power Macintosh"|ppc|ppc64)
45 cpu="powerpc"
47 mips)
48 cpu="mips"
50 s390)
51 cpu="s390"
54 cpu="unknown"
56 esac
57 gprof="no"
58 bigendian="no"
59 mingw32="no"
60 LIBSUF=".a"
61 EXESUF=""
63 # OS specific
64 targetos=`uname -s`
65 case $targetos in
66 MINGW32*)
67 mingw32="yes"
69 *) ;;
70 esac
72 # find source path
73 # XXX: we assume an absolute path is given when launching configure,
74 # except in './configure' case.
75 source_path=${0%configure}
76 source_path=${source_path%/}
77 source_path_used="yes"
78 if test -z "$source_path" -o "$source_path" = "." ; then
79 source_path=`pwd`
80 source_path_used="no"
83 for opt do
84 case "$opt" in
85 --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
87 --exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
89 --bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
91 --libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
93 --includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
95 --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
97 --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
99 --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
101 --cc=*) cc=`echo $opt | cut -d '=' -f 2`
103 --make=*) make=`echo $opt | cut -d '=' -f 2`
105 --extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
107 --extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
109 --extra-libs=*) extralibs=${opt#--extra-libs=}
111 --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
113 --enable-gprof) gprof="yes"
115 --enable-mingw32) mingw32="yes" ; cross_prefix="i386-mingw32-"
117 esac
118 done
120 # Checking for CFLAGS
121 if test -z "$CFLAGS"; then
122 CFLAGS="-O2"
125 cc="${cross_prefix}${cc}"
126 ar="${cross_prefix}${ar}"
127 strip="${cross_prefix}${strip}"
129 if test "$mingw32" = "yes" ; then
130 LIBSUF=".lib"
131 EXESUF=".exe"
134 if test -z "$cross_prefix" ; then
136 # ---
137 # big/little endian test
138 cat > $TMPC << EOF
139 #include <inttypes.h>
140 int main(int argc, char ** argv){
141 volatile uint32_t i=0x01234567;
142 return (*((uint8_t*)(&i))) == 0x67;
146 if $cc -o $TMPE $TMPC 2>/dev/null ; then
147 $TMPE && bigendian="yes"
148 else
149 echo big/little test failed
152 else
154 # if cross compiling, cannot launch a program, so make a static guess
155 if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
156 bigendian="yes"
161 # check gcc version
162 cat > $TMPC <<EOF
163 int main(void) {
164 #if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
165 return 0;
166 #else
167 #error gcc < 3.2
168 #endif
172 gcc_major="2"
173 if $cc -o $TMPO $TMPC 2> /dev/null ; then
174 gcc_major="3"
177 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
178 cat << EOF
180 Usage: configure [options]
181 Options: [defaults in brackets after descriptions]
184 echo "Standard options:"
185 echo " --help print this message"
186 echo " --prefix=PREFIX install in PREFIX [$prefix]"
187 echo " --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX"
188 echo " [same as prefix]"
189 echo " --bindir=DIR user executables in DIR [EPREFIX/bin]"
190 echo " --libdir=DIR object code libraries in DIR [EPREFIX/lib]"
191 echo " --includedir=DIR C header files in DIR [PREFIX/include]"
192 echo " --mandir=DIR man documentation in DIR [PREFIX/man]"
193 echo ""
194 echo "Advanced options (experts only):"
195 echo " --source-path=PATH path of source code [$source_path]"
196 echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
197 echo " --cc=CC use C compiler CC [$cc]"
198 echo " --make=MAKE use specified make [$make]"
199 echo ""
200 #echo "NOTE: The object files are build at the place where configure is launched"
201 exit 1
204 if test "$mingw32" = "yes" ; then
205 if test -z "$prefix" ; then
206 prefix="/c/Program Files/tcc"
208 execprefix="$prefix"
209 bindir="$prefix"
210 docdir="$prefix/doc"
211 else
212 if test -z "$prefix" ; then
213 prefix="/usr/local"
215 if test x"$execprefix" = x""; then
216 execprefix="${prefix}"
218 if test x"$bindir" = x""; then
219 bindir="${execprefix}/bin"
221 if test x"$docdir" = x""; then
222 docdir="$prefix/share/doc/tcc"
224 fi # mingw32
226 if test x"$libdir" = x""; then
227 libdir="${execprefix}/lib"
229 if test x"$mandir" = x""; then
230 mandir="${prefix}/man"
232 if test x"$includedir" = x""; then
233 includedir="${prefix}/include"
236 echo "Binary directory $bindir"
237 echo "Library directory $libdir"
238 echo "Include directory $includedir"
239 echo "Manual directory $mandir"
240 echo "Doc directory $docdir"
241 echo "Source path $source_path"
242 echo "C compiler $cc"
243 echo "make $make"
244 echo "CPU $cpu"
245 echo "Big Endian $bigendian"
246 echo "gprof enabled $gprof"
248 echo "Creating config.mak and config.h"
250 echo "# Automatically generated by configure - do not modify" > config.mak
251 echo "/* Automatically generated by configure - do not modify */" > $TMPH
253 echo "prefix=$prefix" >> config.mak
254 echo "bindir=$bindir" >> config.mak
255 echo "libdir=$libdir" >> config.mak
256 echo "includedir=$includedir" >> config.mak
257 echo "mandir=$mandir" >> config.mak
258 echo "docdir=$docdir" >> config.mak
259 echo "#define CONFIG_TCC_LIBDIR \"$libdir\"" >> $TMPH
260 echo "MAKE=$make" >> config.mak
261 echo "CC=$cc" >> config.mak
262 echo "GCC_MAJOR=$gcc_major" >> config.mak
263 echo "#define GCC_MAJOR $gcc_major" >> $TMPH
264 echo "HOST_CC=$host_cc" >> config.mak
265 echo "AR=$ar" >> config.mak
266 echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
267 echo "CFLAGS=$CFLAGS" >> config.mak
268 echo "LDFLAGS=$LDFLAGS" >> config.mak
269 echo "LIBSUF=$LIBSUF" >> config.mak
270 echo "EXESUF=$EXESUF" >> config.mak
271 if test "$cpu" = "x86" ; then
272 echo "ARCH=i386" >> config.mak
273 echo "#define HOST_I386 1" >> $TMPH
274 elif test "$cpu" = "armv4l" ; then
275 echo "ARCH=arm" >> config.mak
276 echo "#define HOST_ARM 1" >> $TMPH
277 elif test "$cpu" = "powerpc" ; then
278 echo "ARCH=ppc" >> config.mak
279 echo "#define HOST_PPC 1" >> $TMPH
280 elif test "$cpu" = "mips" ; then
281 echo "ARCH=mips" >> config.mak
282 echo "#define HOST_MIPS 1" >> $TMPH
283 elif test "$cpu" = "s390" ; then
284 echo "ARCH=s390" >> config.mak
285 echo "#define HOST_S390 1" >> $TMPH
286 elif test "$cpu" = "alpha" ; then
287 echo "ARCH=alpha" >> config.mak
288 echo "#define HOST_ALPHA 1" >> $TMPH
289 else
290 echo "Unsupported CPU"
291 exit 1
293 if test "$mingw32" = "yes" ; then
294 echo "CONFIG_WIN32=yes" >> config.mak
295 echo "#define CONFIG_WIN32 1" >> $TMPH
297 if test "$bigendian" = "yes" ; then
298 echo "WORDS_BIGENDIAN=yes" >> config.mak
299 echo "#define WORDS_BIGENDIAN 1" >> $TMPH
301 if test "$gprof" = "yes" ; then
302 echo "TARGET_GPROF=yes" >> config.mak
303 echo "#define HAVE_GPROF 1" >> $TMPH
305 version=`head $source_path/VERSION`
306 echo "VERSION=$version" >>config.mak
307 echo "#define TCC_VERSION \"$version\"" >> $TMPH
308 echo "@set VERSION $version" > config.texi
310 # build tree in object directory if source path is different from current one
311 if test "$source_path_used" = "yes" ; then
312 DIRS="tests"
313 FILES="Makefile tests/Makefile"
314 for dir in $DIRS ; do
315 mkdir -p $dir
316 done
317 for f in $FILES ; do
318 ln -sf $source_path/$f $f
319 done
321 echo "SRC_PATH=$source_path" >> config.mak
323 diff $TMPH config.h >/dev/null 2>&1
324 if test $? -ne 0 ; then
325 mv -f $TMPH config.h
326 else
327 echo "config.h is unchanged"
330 rm -f $TMPO $TMPC $TMPE $TMPS $TMPH