3 # tcc configure script (c) 2003 Fabrice Bellard
5 # set temporary file name
6 # if test ! -z "$TMPDIR" ; then
8 # elif test ! -z "$TEMPDIR" ; then
14 # bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
30 test -z "$CC" && CC
="gcc"
31 test -z "$cc" && cc
="$CC"
39 tcc_sysincludepaths
=""
63 confvars
="$confvars OSX dll=no"
65 cc
=`readlink $cc || echo clang`
66 tcc_usrinclude
="`xcrun --show-sdk-path`/usr/include"
69 Windows_NT|MINGW
*|MSYS
*|CYGWIN
*)
73 DragonFly|OpenBSD|FreeBSD|NetBSD
)
74 confvars
="$confvars BSD ldl=no"
81 source_path
=${0%configure}
82 source_path
=${source_path%/}
83 source_path_used
="yes"
84 if test -z "$source_path" -o "$source_path" = "." ; then
92 --prefix=*) prefix
=`echo $opt | cut -d '=' -f 2-`
94 --exec-prefix=*) execprefix
=`echo $opt | cut -d '=' -f 2-`
96 --tccdir=*) tccdir
=`echo $opt | cut -d '=' -f 2-`
98 --bindir=*) bindir
=`echo $opt | cut -d '=' -f 2-`
100 --libdir=*) libdir
=`echo $opt | cut -d '=' -f 2-`
102 --includedir=*) includedir
=`echo $opt | cut -d '=' -f 2-`
104 --sharedir=*) sharedir
=`echo $opt | cut -d '=' -f 2-`
106 --mandir=*) mandir
=`echo $opt | cut -d '=' -f 2-`
108 --infodir=*) infodir
=`echo $opt | cut -d '=' -f 2-`
110 --docdir=*) docdir
=`echo $opt | cut -d '=' -f 2-`
112 --sysroot=*) sysroot
=`echo $opt | cut -d '=' -f 2-`
114 --source-path=*) source_path
=`echo $opt | cut -d '=' -f 2-`
116 --cross-prefix=*) cross_prefix
=`echo $opt | cut -d '=' -f 2-`
118 --cc=*) cc
=`echo $opt | cut -d '=' -f 2-`
120 --ar=*) ar=`echo $opt | cut -d '=' -f 2-` ; ar_set
="yes"
122 --extra-cflags=*) CFLAGS
="${opt#--extra-cflags=}"
124 --extra-ldflags=*) LDFLAGS
="${opt#--extra-ldflags=}"
126 --extra-libs=*) extralibs
="${opt#--extra-libs=}"
128 --sysincludepaths=*) tcc_sysincludepaths
=`echo $opt | cut -d '=' -f 2-`
130 --libpaths=*) tcc_libpaths
=`echo $opt | cut -d '=' -f 2-`
132 --crtprefix=*) tcc_crtprefix
=`echo $opt | cut -d '=' -f 2-`
134 --elfinterp=*) tcc_elfinterp
=`echo $opt | cut -d '=' -f 2-`
136 --triplet=*) triplet
=`echo $opt | cut -d '=' -f 2-`
138 --cpu=*) cpu
=`echo $opt | cut -d '=' -f 2-`
140 --dwarf=*) dwarf
=`echo $opt | cut -d '=' -f 2-`
142 --enable-cross) confvars
="$confvars cross"
144 --disable-static) confvars
="$confvars static=no"
146 --enable-static) confvars
="$confvars static"
148 --disable-rpath) confvars
="$confvars rpath=no"
150 --debug) confvars
="$confvars debug"
152 --with-libgcc) confvars
="$confvars libgcc"
154 --with-selinux) confvars
="$confvars selinux"
156 --config-mingw32*) mingw32
=$
(echo "$opt=yes" | cut
-d '=' -f 2)
158 --config-*) confvars
="$confvars ${opt#--config-}"; suggest
="no"
160 --help|
-h) show_help
="yes"
162 *) echo "configure: WARNING: unrecognized option $opt"
167 cc
="${cross_prefix}${cc}"
168 ar="${cross_prefix}${ar}"
170 # Checking for CFLAGS
171 test -z "$CFLAGS" && CFLAGS
="-Wall -O2"
173 # on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
174 if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
175 CFLAGS
="$CFLAGS -arch $cpu"
176 LDFLAGS
="$LDFLAGS -arch $cpu"
180 test -z "$cpu" && cpu
="$cpu_sys"
183 x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386
)
199 aarch64|arm64|evbarm
)
222 "Power Macintosh"|ppc|ppc64
)
235 echo "Unsupported CPU"
240 if test "$mingw32" = "yes" ; then
241 if test "$source_path_used" = "no"; then
244 test -z "$prefix" && prefix
="C:/Program Files/tcc"
245 test -z "$tccdir" && tccdir
="${prefix}" && tccdir_auto
="yes"
246 test -z "$bindir" && bindir
="${tccdir}"
247 test -z "$docdir" && docdir
="${tccdir}/doc"
248 test -z "$libdir" && libdir
="${tccdir}/libtcc"
249 confvars
="$confvars WIN32"
254 if test -z "$prefix" ; then
257 if test -z "$sharedir" ; then
258 sharedir
="${prefix}/share"
260 if test x
"$execprefix" = x
""; then
261 execprefix
="${prefix}"
263 if test x
"$libdir" = x
""; then
264 libdir
="${execprefix}/lib"
266 if test x
"$bindir" = x
""; then
267 bindir
="${execprefix}/bin"
269 if test x
"$docdir" = x
""; then
270 docdir
="${sharedir}/doc"
272 if test x
"$mandir" = x
""; then
273 mandir
="${sharedir}/man"
275 if test x
"$infodir" = x
""; then
276 infodir
="${sharedir}/info"
278 if test x
"$tccdir" = x
""; then
279 tccdir
="${libdir}/tcc"
281 if test x
"$includedir" = x
""; then
282 includedir
="${prefix}/include"
286 if test x
"$show_help" = "xyes" ; then
288 Usage: configure [options]
289 Options: [defaults in brackets after descriptions]
292 --help print this message
293 --prefix=PREFIX install in PREFIX [$prefix]
294 --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
296 --bindir=DIR user executables in DIR [EPREFIX/bin]
297 --libdir=DIR object code libraries in DIR [EPREFIX/lib]
298 --tccdir=DIR installation directory [EPREFIX/lib/tcc]
299 --includedir=DIR C header files in DIR [PREFIX/include]
300 --sharedir=DIR documentation root DIR [PREFIX/share]
301 --docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]
302 --mandir=DIR man documentation in DIR [SHAREDIR/man]
303 --infodir=DIR info documentation in DIR [SHAREDIR/info]
305 Advanced options (experts only):
306 --source-path=PATH path of source code [$source_path]
307 --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
308 --sysroot=PREFIX prepend PREFIX to library/include paths [$sysroot]
309 --cc=CC use C compiler CC [$cc]
310 --ar=AR create archives using AR [$ar]
311 --extra-cflags= specify compiler flags [$CFLAGS]
312 --extra-ldflags= specify linker options [$LDFLAGS]
315 --debug include debug info with resulting binaries
316 --disable-static make libtcc.so instead of libtcc.a
317 --enable-static make libtcc.a instead of libtcc.dll (win32)
318 --disable-rpath disable use of -rpath with libtcc.so
319 --with-libgcc use libgcc_s.so.1 instead of libtcc1.a
320 --with-selinux use mmap for executable memory (tcc -run)
321 --enable-cross build cross compilers (see also 'make help')
323 --sysincludepaths=... specify system include paths, colon separated
324 --libpaths=... specify system library paths, colon separated
325 --crtprefix=... specify locations of crt?.o, colon separated
326 --elfinterp=... specify elf interpreter
327 --triplet=... specify system library/include directory triplet
329 --config-uClibc,-musl enable system specific configurations
330 --config-mingw32 build on windows using msys, busybox, etc.
331 --config-backtrace=no disable stack backtraces (with -run or -bt)
332 --config-bcheck=no disable bounds checker (-b)
333 --config-predefs=no do not compile tccdefs.h, instead just include
334 --dwarf=x Use dwarf debug info instead of stabs (x=2..5)
339 if test -z "$cross_prefix" ; then
340 CONFTEST
=.
/conftest
$EXESUF
341 if ! $cc -o $CONFTEST $source_path/conftest.c
2>/dev
/null
; then
342 echo "configure: error: '$cc' failed to compile conftest.c."
344 cc_name
="$($CONFTEST compiler)"
345 gcc_major
="$($CONFTEST version)"
346 gcc_minor
="$($CONFTEST minor)"
347 bigendian
="$($CONFTEST bigendian)"
348 _triplet
="$($CONFTEST triplet)"
350 if test "$mingw32" = "no" ; then
352 if test -z "$triplet"; then
353 if test -n "$_triplet" -a -f "/usr/lib/$_triplet/crti.o" ; then
358 if test -z "$triplet"; then
359 if test $cpu = "x86_64" -o $cpu = "arm64" -o $cpu = "riscv64" ; then
360 if test -f "/usr/lib64/crti.o" ; then
366 if test "$cpu" = "arm" ; then
367 if test "${triplet%eabihf}" != "$triplet" ; then
368 confvars
="$confvars arm_eabihf arm_vfp"
369 elif test "${triplet%eabi}" != "$triplet" ; then
370 confvars
="$confvars arm_eabi arm_vfp"
371 elif test "${_triplet%eabihf}" != "$_triplet" ; then
372 confvars
="$confvars arm_eabihf arm_vfp"
373 elif test "${_triplet%eabi}" != "$_triplet" ; then
374 confvars
="$confvars arm_eabi arm_vfp"
376 if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc
/cpuinfo
; then
377 confvars
="$confvars arm_vfp"
381 if test "$suggest" = "yes"; then
382 if test -f "/lib/ld-uClibc.so.0" ; then
383 echo "Perhaps you want ./configure --config-uClibc"
385 if test -f "/lib/ld-musl-$cpu.so.1"; then
386 echo "Perhaps you want ./configure --config-musl"
390 if test "$cc_name" = "gcc"; then
391 # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'
392 test -z "$LDFLAGS" && LDFLAGS
="-static"
396 # if cross compiling, cannot launch a program, so make a static guess
398 ppc|mips|s390
) bigendian
=yes;;
402 if test "$bigendian" = "yes" ; then
403 confvars
="$confvars BIGENDIAN"
406 # a final configuration tuning
407 if test "$cc_name" != "tcc"; then
408 OPT1
="-Wdeclaration-after-statement -fno-strict-aliasing"
409 # we want -Wno- but gcc does not always reject unknown -Wno- options
410 OPT2
="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"
411 OPT2
="$OPT2 -Wstringop-truncation"
412 if test "$cc_name" = "clang"; then
413 OPT1
="$OPT1 -fheinous-gnu-extensions"
414 OPT2
="$OPT2 -Wstring-plus-int"
416 $cc $OPT1 $OPT2 -o a.out
-c -xc - < /dev
/null
> cc_msg.txt
2>&1
417 for o
in $OPT1; do # enable these options
418 if ! grep -q -- $o cc_msg.txt
; then CFLAGS
="$CFLAGS $o"; fi
420 for o
in $OPT2; do # disable these options
421 if ! grep -q -- $o cc_msg.txt
; then CFLAGS
="$CFLAGS -Wno-${o#-W*}"; fi
425 rm -f cc_msg.txt a.out
427 test "$ar_set" ||
ar="$cc -ar"
430 fcho
() { if test -n "$2"; then echo "$1$2"; fi }
432 fcho
"Binary directory " "$bindir"
433 fcho
"TinyCC directory " "$tccdir"
434 fcho
"Library directory " "$libdir"
435 fcho
"Include directory " "$includedir"
436 fcho
"Manual directory " "$mandir"
437 fcho
"Info directory " "$infodir"
438 fcho
"Doc directory " "$docdir"
439 fcho
"Target root prefix " "$sysroot"
440 fcho
"/usr/include dir " "$tcc_usrinclude"
441 echo "Source path $source_path"
442 echo "C compiler $cc ($gcc_major.$gcc_minor)"
443 echo "Target OS $targetos"
445 fcho
"Triplet " "$triplet"
446 fcho
"Config " "${confvars# }"
447 echo "Creating config.mak and config.h"
449 cat >config.mak
<<EOF
450 # Automatically generated by configure - do not modify
452 bindir=\$(DESTDIR)$bindir
453 tccdir=\$(DESTDIR)$tccdir
454 libdir=\$(DESTDIR)$libdir
455 includedir=\$(DESTDIR)$includedir
456 mandir=\$(DESTDIR)$mandir
457 infodir=\$(DESTDIR)$infodir
458 docdir=\$(DESTDIR)$docdir
473 if test -n "$v"; then
474 test "$3" = "num" || v
="\"$v\""
475 echo "#ifndef $1" >> $TMPH
476 echo "# define $1 $v" >> $TMPH
477 echo "#endif" >> $TMPH
483 if test -n "$v"; then
484 test "$3" = "num" || v
="\"\\\"$v\\\"\""
485 echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
489 echo "/* Automatically generated by configure - do not modify */" > $TMPH
491 print_inc CONFIG_SYSROOT
"$sysroot"
492 test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR
"$tccdir"
493 print_inc DWARF_VERSION
"$dwarf" num
494 print_mak CONFIG_USR_INCLUDE
"$tcc_usrinclude"
495 print_mak CONFIG_TCC_SYSINCLUDEPATHS
"$tcc_sysincludepaths"
496 print_mak CONFIG_TCC_LIBPATHS
"$tcc_libpaths"
497 print_mak CONFIG_TCC_CRTPREFIX
"$tcc_crtprefix"
498 print_mak CONFIG_TCC_ELFINTERP
"$tcc_elfinterp"
499 print_mak CONFIG_LDDIR
"$tcc_lddir"
500 print_mak CONFIG_TRIPLET
"$triplet"
501 print_mak TCC_CPU_VERSION
"$cpuver" num
503 echo "ARCH=$cpu" >> config.mak
504 echo "TARGETOS=$targetos" >> config.mak
507 for v
in $confvars ; do
508 test "$v" = "predefs=no" && predefs
=""
509 if test "${v%=*}" = "$v"; then
510 echo "CONFIG_$v=yes" >> config.mak
512 echo "CONFIG_$v" >> config.mak
515 print_inc CONFIG_TCC_PREDEFS
"$predefs" num
517 version
=`head $source_path/VERSION`
518 echo "VERSION = $version" >> config.mak
519 echo "#define TCC_VERSION \"$version\"" >> $TMPH
520 echo "@set VERSION $version" > config.texi
522 if test "$source_path_used" = "yes" ; then
524 /*) echo "TOPSRC=$source_path";;
525 *) echo "TOPSRC=\$(TOP)/$source_path";;
528 echo 'TOPSRC=$(TOP)' >>config.mak
531 #define GCC_MAJOR $gcc_major
532 #define GCC_MINOR $gcc_minor
533 #define CC_NAME CC_${cc_name}
536 diff $TMPH config.h
>/dev
/null
2>&1
537 if test $?
-ne 0 ; then
540 echo "config.h is unchanged"
543 rm -f $TMPN* $CONFTEST
545 # ---------------------------------------------------------------------------
546 # build tree in object directory if source path is different from current one
553 test -d $dn || mkdir
-p $dn
556 *) while test $dn ; do
557 tgt
=..
/$tgt; dn
=${dn#${dn%%/*}}; dn=${dn#/}
564 ln -sfn $tgt $2 ||
( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
567 if test "$source_path_used" = "yes" ; then
568 FILES
="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
570 fn_makelink
$source_path $f
574 # ---------------------------------------------------------------------------