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tinycc/configure

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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|armv4l|armv5tel|armv5tejl|armv6j|armv7a|armv7l)
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 "$source_path" = "." ; then
source_path=`pwd`
source_path_used="no"
fi
for opt do
case "$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: unrecognized option $opt"; exit 1
;;
esac
done
# Checking for CFLAGS
if test -z "$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 "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" >> $TMPH
elif test "$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" >> $TMPH
else
echo "Unsupported CPU"
exit 1
fi
if test "$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*
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