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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}-$$-${RANDOM}.c"
TMPN="./conftest-$$"
TMPH=$TMPN.h
# default parameters
build_cross="no"
use_libgcc="no"
enable_assert="no"
prefix=""
execprefix=""
bindir=""
libdir=""
tccdir=""
includedir=""
mandir=""
infodir=""
sysroot=""
cross_prefix=""
cc="gcc"
host_cc="gcc"
ar="ar"
strip="strip"
cygwin="no"
gprof="no"
bigendian="no"
mingw32="no"
LIBSUF=".a"
EXESUF=""
tcc_sysincludepaths=""
tcc_libpaths=""
tcc_crtprefix=""
tcc_elfinterp=""
tcc_lddir=
confvars=
cpu=
host_os=`uname`
case $host_os in
MINGW32*) host_os=Windows; ;;
*) ;;
esac
# OS specific
targetos=`uname`
case $targetos in
MINGW32*) mingw32=yes; host_os=Windows; ;;
DragonFly) noldl=yes;;
OpenBSD) noldl=yes;;
FreeBSD) noldl=yes;;
NetBSD) noldl=yes;;
*) ;;
esac
# find source path
# XXX: we assume an absolute path is given when launching configure,
# except in './configure' case.
source_path=${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
classify_cpu ()
{
cpu="$1"
case "$cpu" in
x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
cpu="x86"
;;
x86_64|amd64)
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"
;;
aarch64)
cpu="aarch64"
;;
alpha)
cpu="alpha"
;;
"Power Macintosh"|ppc|ppc64)
cpu="powerpc"
;;
mips)
cpu="mips"
;;
s390)
cpu="s390"
;;
*)
echo "Unsupported CPU: $cpu"
exit 1
;;
esac
}
for opt do
eval opt=\"$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`
;;
--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`
;;
--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=}
;;
--cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
;;
--enable-gprof) gprof="yes"
;;
--enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86; targetos=Windows;
;;
--enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86; targetos=Windows;
;;
--enable-tcc32-mingw) mingw32="yes" ; cross_prefix="i386-win-" ; cpu=x86; cc=tcc; targetos=Windows;
;;
--enable-tcc64-mingw) mingw32="yes" ; cross_prefix="x86_64-win-" ; cpu=x86_64; cc=tcc; targetos=Windows;
;;
--enable-cross) build_cross="yes"
;;
--enable-assert) enable_assert="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 $opt"
;;
esac
done
if test -z "$cpu" ; then
if test -n "$ARCH" ; then
cpu="$ARCH"
else
cpu=`uname -m`
fi
fi
classify_cpu "$cpu"
# Checking for CFLAGS
if test -z "$CFLAGS"; then
CFLAGS="-Wall -g -O0"
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="${sharedir}/info"
LIBSUF=".lib"
EXESUF=".exe"
else
if test -z "$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"$tccdir" = x""; then
tccdir="tcc"
fi
if test x"$libdir" = x""; then
libdir="${execprefix}/lib"
if test -n "${tccdir}"; then
tccdir="${libdir}/${tccdir}"
else
tccdir="${libdir}"
fi
if test "$cpu" = "x86-64"; then
libdir="${execprefix}/lib64"
fi
else
tccdir="${libdir}/${tccdir}"
fi
if test x"$bindir" = x""; then
bindir="${execprefix}/bin"
fi
if test x"$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
fi # mingw32
if test x"$includedir" = x""; then
includedir="${prefix}/include"
fi
if test x"$show_help" = "xyes" ; then
cat << EOF
Usage: configure [options]
Options: [defaults in brackets after descriptions]
Standard options:
--help print this message
--prefix=PREFIX install in PREFIX [$prefix]
--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
[same as prefix]
--bindir=DIR user executables in DIR [EPREFIX/bin]
--libdir=DIR object code libraries in DIR [EPREFIX/lib]
--tccdir=DIR installation directory [EPREFIX/lib/tcc]
--includedir=DIR C header files in DIR [PREFIX/include]
--sharedir=DIR documentation root DIR [PREFIX/share]
--docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]
--mandir=DIR man documentation in DIR [SHAREDIR/man]
--infodir=DIR info documentation in DIR [SHAREDIR/info]
Advanced options (experts only):
--source-path=PATH path of source code [$source_path]
--cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
--sysroot=PREFIX prepend PREFIX to library/include paths []
--cc=CC use C compiler CC [$cc]
--extra-cflags= specify compiler flags [$CFLAGS]
--extra-ldflags= specify linker options []
--cpu=CPU CPU [$cpu]
--strip-binaries strip symbol tables from resulting binaries
--disable-static make libtcc.so instead of libtcc.a
--disable-rpath disable use of -rpath with the above
--with-libgcc use libgcc_s.so.1 instead of libtcc1.a in dynamic link
--enable-tcc64-mingw build windows version on linux with x86_64-win-tcc
--enable-tcc32-mingw build windows version on linux with i386-win-tcc
--enable-mingw32 build windows version on linux with mingw32
--enable-cygwin build windows version on windows with cygwin
--enable-cross build cross compilers
--enable-assert enable debug assertions
--with-selinux use mmap for exec mem [needs writable /tmp]
--sysincludepaths=... specify system include paths, colon separated
--libpaths=... specify system library paths, colon separated
--crtprefix=... specify locations of crt?.o, colon separated
--elfinterp=... specify elf interpreter
EOF
#echo "NOTE: The object files are build at the place where configure is launched"
exit 1
fi
if test "$cc" != "tcc"; then
ar="${cross_prefix}${ar}"
fi
cc="${cross_prefix}${cc}"
strip="${cross_prefix}${strip}"
CONFTEST=./conftest$EXESUF
if test -z "$cross_prefix" ; then
if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then
echo "configure: error: '$cc' failed to compile conftest.c."
else
bigendian="$($CONFTEST bigendian)"
gcc_major="$($CONFTEST version)"
gcc_minor="$($CONFTEST minor)"
if test "$mingw32" = "no" ; then
triplet="$($CONFTEST triplet)"
if test -f "/usr/lib/$triplet/crti.o" ; then
tcc_lddir="lib"
multiarch_triplet="$triplet"
elif test "$cpu" != "x86" -a -f "/usr/lib64/crti.o" ; then
tcc_lddir="lib64"
fi
if test "$cpu" = "armv4l" ; then
if test "${triplet%eabihf}" != "$triplet" ; then
confvars="$confvars arm_eabihf"
elif test "${triplet%eabi}" != "$triplet" ; then
confvars="$confvars arm_eabi"
fi
if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then
confvars="$confvars arm_vfp"
fi
fi
# multiarch_triplet=${libc_dir#*/}
# multiarch_triplet=${multiarch_triplet%/}
# tcc_lddir="${libc_dir%%/*}"
# if test -n "$multiarch_triplet" ; then
# tcc_lddir="$tcc_lddir/$multiarch_triplet"
# fi
if test -f "/lib/ld-uClibc.so.0" ; then
confvars="$confvars uClibc"
fi
# gr: maybe for after the release:
# tcc_elfinterp="$(ldd $CONFTEST | grep 'ld.*.so' | sed 's,\s*\(\S\+\).*,\1,')"
# echo "elfinterp $tcc_elfinterp"
fi
fi
else
# if cross compiling, cannot launch a program, so make a static guess
case $cpu in
powerpc|mips|s390) bigendian=yes;;
esac
fi
# a final configuration tuning
W_OPTIONS="declaration-after-statement"
for i in $W_OPTIONS; do
O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -W$i"; fi
done
W_OPTIONS="deprecated-declarations strict-aliasing pointer-sign sign-compare unused-result uninitialized"
for i in $W_OPTIONS; do
O_PRESENT="$($cc -v --help 2>&1 | grep -- -W$i)"
if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -Wno-$i"; fi
done
F_OPTIONS="strict-aliasing"
for i in $F_OPTIONS; do
O_PRESENT="$($cc -v --help 2>&1 | grep -- -f$i)"
if test -n "$O_PRESENT"; then CFLAGS="$CFLAGS -fno-$i"; fi
done
if test -z "$tcc_lddir" -a "$cpu" = "x86-64"; then tcc_lddir="lib64"; 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 "cross compilers $build_cross"
if test "$build_cross" = "no"; then
echo "Target CPU $cpu"
fi
echo "Host OS $host_os"
echo "Target OS $targetos"
echo "Big Endian $bigendian"
echo "gprof enabled $gprof"
echo "use libgcc $use_libgcc"
echo "Creating config.mak and config.h"
cat >config.mak <<EOF
# Automatically generated by configure - do not modify
prefix=$prefix
bindir=\$(DESTDIR)$bindir
tccdir=\$(DESTDIR)$tccdir
libdir=\$(DESTDIR)$libdir
ln_libdir=$libdir
includedir=\$(DESTDIR)$includedir
mandir=\$(DESTDIR)$mandir
infodir=\$(DESTDIR)$infodir
docdir=\$(DESTDIR)$docdir
CC=$cc
GCC_MAJOR=$gcc_major
GCC_MINOR=$gcc_minor
HOST_CC=$host_cc
AR=$ar
STRIP=$strip -s -R .comment -R .note
CFLAGS=$CFLAGS
LDFLAGS=$LDFLAGS
LIBSUF=$LIBSUF
EXESUF=$EXESUF
HOST_OS=$host_os
EOF
if test "$mingw32" = "yes" -a "$host_os" != "Windows" ; then
cat >>config.mak <<EOF
XCC=$cc
XAR=$ar
EOF
fi
print_inc() {
if test -n "$2"; then
echo "#ifndef $1" >> $TMPH
echo "# define $1 \"$2\"" >> $TMPH
echo "#endif" >> $TMPH
fi
}
print_mak() {
if test -n "$2"; then
echo "NATIVE_DEFINES+=-D$1=\"\\\"$2\\\"\"" >> config.mak
fi
}
echo "/* Automatically generated by configure - do not modify */" > $TMPH
print_inc CONFIG_SYSROOT "$sysroot"
print_inc CONFIG_TCCDIR "$tccdir"
if test "$build_cross" = "no"; then
print_inc CONFIG_LDDIR "$tcc_lddir"
fi
print_mak CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
print_mak CONFIG_TCC_LIBPATHS "$tcc_libpaths"
print_mak CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
print_mak CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
print_mak CONFIG_MULTIARCHDIR "$multiarch_triplet"
echo "#define GCC_MAJOR $gcc_major" >> $TMPH
echo "#define GCC_MINOR $gcc_minor" >> $TMPH
if test "$cpu" = "x86" ; then
echo "ARCH=i386" >> config.mak
elif test "$cpu" = "x86-64" ; then
echo "ARCH=x86-64" >> config.mak
elif test "$cpu" = "armv4l" ; then
echo "ARCH=arm" >> config.mak
echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
elif test "$cpu" = "aarch64" ; then
echo "ARCH=arm64" >> config.mak
elif test "$cpu" = "powerpc" ; then
echo "ARCH=ppc" >> config.mak
elif test "$cpu" = "mips" ; then
echo "ARCH=mips" >> config.mak
elif test "$cpu" = "s390" ; then
echo "ARCH=s390" >> config.mak
elif test "$cpu" = "alpha" ; then
echo "ARCH=alpha" >> config.mak
else
echo "Unsupported CPU"
exit 1
fi
echo "TARGETOS=$targetos" >> config.mak
for v in $confvars ; do
echo "CONFIG_$v=yes" >> config.mak
done
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" >> $TMPH
echo "HAVE_SELINUX=yes" >> config.mak
fi
if test "$enable_assert" = "yes" ; then
echo "#define CONFIG_TCC_ASSERT" >> $TMPH
fi
version=`head $source_path/VERSION`
echo "VERSION=$version" >>config.mak
echo "#define TCC_VERSION \"$version\"" >> $TMPH
echo "@set VERSION $version" > config.texi
echo "SRC_PATH=$source_path" >>config.mak
if test "$source_path_used" = "yes" ; then
case $source_path in
/*) echo "top_srcdir=$source_path";;
*) echo "top_srcdir=\$(TOP)/$source_path";;
esac >>config.mak
else
echo 'top_srcdir=$(TOP)' >>config.mak
fi
echo 'top_builddir=$(TOP)' >>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* $CONFTEST
# ---------------------------------------------------------------------------
# build tree in object directory if source path is different from current one
fn_makelink()
{
tgt=$1/$2
case $2 in
*/*) dn=${2%/*}
test -d $dn || mkdir -p $dn
case $1 in
/*) ;;
*) while test $dn ; do
tgt=../$tgt; dn=${dn#${dn%%/*}}; dn=${dn#/}
done
;;
esac
;;
esac
ln -sfn $tgt $2
}
if test "$source_path_used" = "yes" ; then
FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile"
for f in $FILES ; do
fn_makelink $source_path $f
done
fi
# ---------------------------------------------------------------------------
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