tinycc/configure
Thomas Preud'homme c4a18f47a2 Detect ARM CPU version in configure
Instead of guessing the ARM CPU version to compile for from tcc.h, we
now detect it in configure and output the value in config.h
2012-12-04 11:17:51 +01:00

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#!/bin/sh
#
# tcc configure script (c) 2003 Fabrice Bellard
# set temporary file name
if test ! -z "$TMPDIR" ; then
TMPDIR1="${TMPDIR}"
elif test ! -z "$TEMPDIR" ; then
TMPDIR1="${TEMPDIR}"
else
TMPDIR1="/tmp"
fi
# bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
TMPN="./conftest-$$"
TMPC=$TMPN.c
TMPH=$TMPN.h
TMPO=$TMPN.o
TMPE=$TMPN
# default parameters
build_cross="no"
use_libgcc="no"
prefix=""
execprefix=""
bindir=""
libdir=""
tccdir=""
includedir=""
mandir=""
infodir=""
sysroot=""
cross_prefix=""
cc="gcc"
host_cc="gcc"
ar="ar"
strip="strip"
cygwin="no"
cpu=`uname -m`
tcc_sysincludepaths=""
tcc_libpaths=""
tcc_crtprefix=""
tcc_elfinterp=""
case "$cpu" in
i386|i486|i586|i686|i86pc|BePC|i686-AT386)
cpu="x86"
;;
x86_64)
cpu="x86-64"
;;
arm*)
case "$cpu" in
arm|armv4l)
cpuver=4
;;
armv5tel|armv5tejl)
cpuver=5
;;
armv6j|armv6l)
cpuver=6
;;
armv7a|armv7l)
cpuver=7
;;
esac
cpu="armv4l"
;;
alpha)
cpu="alpha"
;;
"Power Macintosh"|ppc|ppc64)
cpu="powerpc"
;;
mips)
cpu="mips"
;;
s390)
cpu="s390"
;;
*)
cpu="unknown"
;;
esac
gprof="no"
bigendian="no"
mingw32="no"
LIBSUF=".a"
EXESUF=""
# OS specific
targetos=`uname -s`
case $targetos in
MINGW32*)
mingw32="yes"
;;
DragonFly)
noldl="yes"
;;
OpenBSD)
noldl="yes"
;;
*) ;;
esac
# find source path
# XXX: we assume an absolute path is given when launching configure,
# except in './configure' case.
source_path=${0%configure}
source_path=${source_path%/}
source_path_used="yes"
if test -z "$source_path" -o "$source_path" = "." ; then
source_path=`pwd`
source_path_used="no"
fi
for opt do
eval opt=$opt
case "$opt" in
--prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
;;
--exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
;;
--tccdir=*) tccdir=`echo $opt | cut -d '=' -f 2`
;;
--bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
;;
--libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
;;
--includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
;;
--sharedir=*) sharedir=`echo $opt | cut -d '=' -f 2`
;;
--mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
;;
--infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
;;
--docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
;;
--sysroot=*) sysroot=`echo $opt | cut -d '=' -f 2`
;;
--source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
;;
--cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
;;
--cc=*) cc=`echo $opt | cut -d '=' -f 2`
;;
--extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
;;
--extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
;;
--extra-libs=*) extralibs=${opt#--extra-libs=}
;;
--sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
;;
--libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
;;
--crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
;;
--elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
;;
--cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
;;
--enable-gprof) gprof="yes"
;;
--enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
;;
--enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
;;
--enable-cross) build_cross="yes"
;;
--disable-static) disable_static="yes"
;;
--disable-rpath) disable_rpath="yes"
;;
--strip-binaries) strip_binaries="yes"
;;
--with-libgcc) use_libgcc="yes"
;;
--with-selinux) have_selinux="yes"
;;
--help|-h) show_help="yes"
;;
*) echo "configure: WARNING: unrecognized option $opt"
;;
esac
done
# Checking for CFLAGS
if test -z "$CFLAGS"; then
CFLAGS="-Wall -g -O2"
fi
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
strip="${cross_prefix}${strip}"
if test "$mingw32" = "yes" ; then
LIBSUF=".lib"
EXESUF=".exe"
fi
if test -z "$cross_prefix" ; then
# ---
# big/little endian test
cat > $TMPC << EOF
#include <inttypes.h>
int main(int argc, char ** argv){
volatile uint32_t i=0x01234567;
return (*((uint8_t*)(&i))) == 0x67;
}
EOF
if $cc -o $TMPE $TMPC 2>/dev/null ; then
$TMPE && bigendian="yes"
else
echo big/little test failed
fi
else
# if cross compiling, cannot launch a program, so make a static guess
if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
bigendian="yes"
fi
fi
# check gcc version
cat > $TMPC <<EOF
int main(void) {
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
return 0;
#else
#error gcc < 3.2
#endif
}
EOF
gcc_major="2"
if $cc -o $TMPO $TMPC 2> /dev/null ; then
gcc_major="3"
fi
cat > $TMPC <<EOF
int main(void) {
#if __GNUC__ >= 4
return 0;
#else
#error gcc < 4
#endif
}
EOF
if $cc -o $TMPO $TMPC 2> /dev/null ; then
gcc_major="4"
fi
if test x"$show_help" = "xyes" ; then
cat << EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
EOF
echo "Standard options:"
echo " --help print this message"
echo " --prefix=PREFIX install in PREFIX [$prefix]"
echo " --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX"
echo " [same as prefix]"
echo " --bindir=DIR user executables in DIR [EPREFIX/bin]"
echo " --libdir=DIR object code libraries in DIR [EPREFIX/lib]"
echo " --tccdir=DIR installation directory [EPREFIX/lib/tcc]"
echo " --includedir=DIR C header files in DIR [PREFIX/include]"
echo " --sharedir=DIR documentation root DIR [PREFIX]/share"
echo " --docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]"
echo " --mandir=DIR man documentation in DIR [SHAREDIR/man]"
echo " --infodir=DIR info documentation in DIR [SHAREDIR/info]"
echo ""
echo "Advanced options (experts only):"
echo " --source-path=PATH path of source code [$source_path]"
echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
echo " --sysroot=PREFIX prepend PREFIX to library/include paths []"
echo " --cc=CC use C compiler CC [$cc]"
echo " --disable-static make libtcc.so instead of libtcc.a"
echo " --disable-rpath disable use of -rpath with the above"
echo " --strip-binaries strip symbol tables from resulting binaries"
echo " --with-libgcc use /lib/libgcc_s.so.1 instead of libtcc.a"
echo " --enable-mingw32 build windows version on linux with mingw32"
echo " --enable-cygwin build windows version on windows with cygwin"
echo " [requires cygwin and mingw32-make]"
echo " --enable-cross build cross compilers"
echo " --extra-cflags= extra compiler flags"
echo " --extra-ldflags= extra linker options"
echo " --with-selinux use mmap instead of exec mem"
echo " [requires write access to /tmp]"
echo " --sysincludepaths=... specify system include paths, colon separated"
echo " --libpaths=... specify system library paths, colon separated"
echo " --crtprefix=... specify locations of crt?.o, colon separated"
echo " --elfinterp=... specify elf interpreter"
echo ""
#echo "NOTE: The object files are build at the place where configure is launched"
exit 1
fi
if test "$mingw32" = "yes" ; then
if test x"$tccdir" = x""; then
tccdir="tcc"
fi
if test -z "$prefix" ; then
prefix="C:/Program Files/${tccdir}"
fi
if test -z "$sharedir" ; then
sharedir="${prefix}"
fi
execprefix="$prefix"
bindir="${prefix}"
tccdir="${prefix}"
libdir="${prefix}/lib"
docdir="${sharedir}/doc"
mandir="${sharedir}/man"
infodir="${sharedir}/info"
else
if test -z "$prefix" ; then
prefix="/usr/local"
fi
if test -z "$sharedir" ; then
sharedir="${prefix}/share"
fi
if test x"$execprefix" = x""; then
execprefix="${prefix}"
fi
if test x"$libdir" = x""; then
libdir="${execprefix}/lib"
fi
if test x"$bindir" = x""; then
bindir="${execprefix}/bin"
fi
if test x"$tccdir" = x""; then
tccdir="tcc"
fi
if test x"$docdir" = x""; then
docdir="${sharedir}/doc/${tccdir}"
fi
if test x"$mandir" = x""; then
mandir="${sharedir}/man"
fi
if test x"$infodir" = x""; then
infodir="${sharedir}/info"
fi
tccdir="${libdir}/${tccdir}"
fi # mingw32
if test x"$includedir" = x""; then
includedir="${prefix}/include"
fi
echo "Binary directory $bindir"
echo "TinyCC directory $tccdir"
echo "Library directory $libdir"
echo "Include directory $includedir"
echo "Manual directory $mandir"
echo "Info directory $infodir"
echo "Doc directory $docdir"
echo "Target root prefix $sysroot"
echo "Source path $source_path"
echo "C compiler $cc"
echo "Target OS $targetos"
echo "CPU $cpu"
echo "Big Endian $bigendian"
echo "gprof enabled $gprof"
echo "cross compilers $build_cross"
echo "use libgcc $use_libgcc"
echo "Creating config.mak and config.h"
echo "# Automatically generated by configure - do not modify" > config.mak
echo "/* Automatically generated by configure - do not modify */" > $TMPH
echo "prefix=$prefix" >> config.mak
echo "bindir=\$(DESTDIR)$bindir" >> config.mak
echo "tccdir=\$(DESTDIR)$tccdir" >> config.mak
echo "libdir=\$(DESTDIR)$libdir" >> config.mak
echo "ln_libdir=$libdir" >> config.mak
echo "includedir=\$(DESTDIR)$includedir" >> config.mak
echo "mandir=\$(DESTDIR)$mandir" >> config.mak
echo "infodir=\$(DESTDIR)$infodir" >> config.mak
echo "docdir=\$(DESTDIR)$docdir" >> config.mak
print_var1()
{
echo "#ifndef $1" >> $TMPH
echo "# define $1 \"$2\"" >> $TMPH
echo "#endif" >> $TMPH
}
print_var2()
{
if test -n "$2"; then print_var1 $1 "$2"; fi
}
print_var2 CONFIG_SYSROOT "$sysroot"
print_var1 CONFIG_TCCDIR "$tccdir"
print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
echo "CC=$cc" >> config.mak
echo "GCC_MAJOR=$gcc_major" >> config.mak
echo "#define GCC_MAJOR $gcc_major" >> $TMPH
echo "HOST_CC=$host_cc" >> config.mak
echo "AR=$ar" >> config.mak
echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
echo "CFLAGS=$CFLAGS" >> config.mak
echo "LDFLAGS=$LDFLAGS" >> config.mak
echo "LIBSUF=$LIBSUF" >> config.mak
echo "EXESUF=$EXESUF" >> config.mak
if test "$cpu" = "x86" ; then
echo "ARCH=i386" >> config.mak
echo "#define HOST_I386 1" >> $TMPH
elif test "$cpu" = "x86-64" ; then
echo "ARCH=x86-64" >> config.mak
echo "#define HOST_X86_64 1" >> $TMPH
elif test "$cpu" = "armv4l" ; then
echo "ARCH=arm" >> config.mak
echo "#define HOST_ARM 1" >> $TMPH
echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
elif test "$cpu" = "powerpc" ; then
echo "ARCH=ppc" >> config.mak
echo "#define HOST_PPC 1" >> $TMPH
elif test "$cpu" = "mips" ; then
echo "ARCH=mips" >> config.mak
echo "#define HOST_MIPS 1" >> $TMPH
elif test "$cpu" = "s390" ; then
echo "ARCH=s390" >> config.mak
echo "#define HOST_S390 1" >> $TMPH
elif test "$cpu" = "alpha" ; then
echo "ARCH=alpha" >> config.mak
echo "#define HOST_ALPHA 1" >> $TMPH
else
echo "Unsupported CPU"
exit 1
fi
echo "TARGETOS=$targetos" >> config.mak
if test "$noldl" = "yes" ; then
echo "CONFIG_NOLDL=yes" >> config.mak
fi
if test "$mingw32" = "yes" ; then
echo "CONFIG_WIN32=yes" >> config.mak
echo "#define CONFIG_WIN32 1" >> $TMPH
fi
if test "$cygwin" = "yes" ; then
echo "#ifndef _WIN32" >> $TMPH
echo "#define _WIN32" >> $TMPH
echo "#endif" >> $TMPH
echo "AR=ar" >> config.mak
fi
if test "$bigendian" = "yes" ; then
echo "WORDS_BIGENDIAN=yes" >> config.mak
echo "#define WORDS_BIGENDIAN 1" >> $TMPH
fi
if test "$gprof" = "yes" ; then
echo "TARGET_GPROF=yes" >> config.mak
echo "#define HAVE_GPROF 1" >> $TMPH
fi
if test "$build_cross" = "yes" ; then
echo "CONFIG_CROSS=yes" >> config.mak
fi
if test "$disable_static" = "yes" ; then
echo "DISABLE_STATIC=yes" >> config.mak
fi
if test "$disable_rpath" = "yes" ; then
echo "DISABLE_RPATH=yes" >> config.mak
fi
if test "$strip_binaries" = "yes" ; then
echo "STRIP_BINARIES=yes" >> config.mak
fi
if test "$use_libgcc" = "yes" ; then
echo "#define CONFIG_USE_LIBGCC" >> $TMPH
echo "CONFIG_USE_LIBGCC=yes" >> config.mak
fi
if test "$have_selinux" = "yes" ; then
echo "#define HAVE_SELINUX" >> $TMPH
echo "HAVE_SELINUX=yes" >> config.mak
fi
version=`head $source_path/VERSION`
echo "VERSION=$version" >>config.mak
echo "#define TCC_VERSION \"$version\"" >> $TMPH
echo "@set VERSION $version" > config.texi
# build tree in object directory if source path is different from current one
if test "$source_path_used" = "yes" ; then
DIRS="tests"
FILES="Makefile tests/Makefile"
for dir in $DIRS ; do
mkdir -p $dir
done
for f in $FILES ; do
ln -sf $source_path/$f $f
done
fi
echo "SRC_PATH=$source_path" >> config.mak
diff $TMPH config.h >/dev/null 2>&1
if test $? -ne 0 ; then
mv -f $TMPH config.h
else
echo "config.h is unchanged"
fi
rm -f $TMPN*