293 lines
7.1 KiB
Bash
Executable file
293 lines
7.1 KiB
Bash
Executable file
#!/bin/sh
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#
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# tcc configure script (c) 2003 Fabrice Bellard
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#
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# set temporary file name
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if test ! -z "$TMPDIR" ; then
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TMPDIR1="${TMPDIR}"
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elif test ! -z "$TEMPDIR" ; then
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TMPDIR1="${TEMPDIR}"
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else
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TMPDIR1="/tmp"
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fi
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TMPC="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
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TMPO="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.o"
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TMPE="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}"
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TMPS="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.S"
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TMPH="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.h"
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# default parameters
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prefix="/usr/local"
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execprefix=""
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bindir=""
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libdir=""
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includedir=""
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mandir=""
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cross_prefix=""
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cc="gcc"
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host_cc="gcc"
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ar="ar"
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make="make"
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strip="strip"
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cpu=`uname -m`
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case "$cpu" in
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i386|i486|i586|i686|i86pc|BePC)
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cpu="x86"
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;;
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armv4l)
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cpu="armv4l"
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;;
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alpha)
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cpu="alpha"
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;;
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"Power Macintosh"|ppc|ppc64)
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cpu="powerpc"
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;;
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mips)
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cpu="mips"
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;;
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s390)
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cpu="s390"
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;;
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*)
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cpu="unknown"
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;;
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esac
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gprof="no"
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bigendian="no"
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# OS specific
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targetos=`uname -s`
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case $targetos in
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*) ;;
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esac
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# find source path
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# XXX: we assume an absolute path is given when launching configure,
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# except in './configure' case.
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source_path=${0%configure}
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source_path=${source_path%/}
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source_path_used="yes"
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if test -z "$source_path" -o "$source_path" = "." ; then
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source_path=`pwd`
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source_path_used="no"
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fi
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for opt do
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case "$opt" in
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--prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
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;;
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--exec-prefix=*) execprefix=`echo $opt | cut -d '=' -f 2`
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;;
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--bindir=*) bindir=`echo $opt | cut -d '=' -f 2`
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;;
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--libdir=*) libdir=`echo $opt | cut -d '=' -f 2`
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;;
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--includedir=*) includedir=`echo $opt | cut -d '=' -f 2`
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;;
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--mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
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;;
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--source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
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;;
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--cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
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;;
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--cc=*) cc=`echo $opt | cut -d '=' -f 2`
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;;
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--make=*) make=`echo $opt | cut -d '=' -f 2`
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;;
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--extra-cflags=*) CFLAGS="${opt#--extra-cflags=}"
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;;
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--extra-ldflags=*) LDFLAGS="${opt#--extra-ldflags=}"
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;;
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--extra-libs=*) extralibs=${opt#--extra-libs=}
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;;
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--cpu=*) cpu=`echo $opt | cut -d '=' -f 2`
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;;
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--enable-gprof) gprof="yes"
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;;
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esac
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done
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# Checking for CFLAGS
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if test -z "$CFLAGS"; then
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CFLAGS="-O2"
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fi
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cc="${cross_prefix}${cc}"
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ar="${cross_prefix}${ar}"
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strip="${cross_prefix}${strip}"
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if test -z "$cross_prefix" ; then
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# ---
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# big/little endian test
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cat > $TMPC << EOF
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#include <inttypes.h>
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int main(int argc, char ** argv){
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volatile uint32_t i=0x01234567;
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return (*((uint8_t*)(&i))) == 0x67;
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}
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EOF
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if $cc -o $TMPE $TMPC 2>/dev/null ; then
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$TMPE && bigendian="yes"
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else
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echo big/little test failed
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fi
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else
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# if cross compiling, cannot launch a program, so make a static guess
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if test "$cpu" = "powerpc" -o "$cpu" = "mips" -o "$cpu" = "s390" ; then
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bigendian="yes"
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fi
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fi
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# check gcc version
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cat > $TMPC <<EOF
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int main(void) {
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#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 2)
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return 0;
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#else
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#error gcc < 3.2
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#endif
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}
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EOF
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gcc_major="2"
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if $cc -o $TMPO $TMPC 2> /dev/null ; then
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gcc_major="3"
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fi
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if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
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cat << EOF
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Usage: configure [options]
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Options: [defaults in brackets after descriptions]
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EOF
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echo "Standard options:"
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echo " --help print this message"
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echo " --prefix=PREFIX install in PREFIX [$prefix]"
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echo " --exec-prefix=EPREFIX install architecture-dependent files in EPREFIX"
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echo " [same as prefix]"
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echo " --bindir=DIR user executables in DIR [EPREFIX/bin]"
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echo " --libdir=DIR object code libraries in DIR [EPREFIX/lib]"
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echo " --includedir=DIR C header files in DIR [PREFIX/include]"
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echo " --mandir=DIR man documentation in DIR [PREFIX/man]"
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echo ""
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echo "Advanced options (experts only):"
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echo " --source-path=PATH path of source code [$source_path]"
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echo " --cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]"
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echo " --cc=CC use C compiler CC [$cc]"
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echo " --make=MAKE use specified make [$make]"
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echo ""
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#echo "NOTE: The object files are build at the place where configure is launched"
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exit 1
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fi
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if test x"$execprefix" = x""; then
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execprefix="${prefix}"
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fi
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if test x"$bindir" = x""; then
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bindir="${execprefix}/bin"
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fi
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if test x"$libdir" = x""; then
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libdir="${execprefix}/lib"
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fi
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if test x"$includedir" = x""; then
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includedir="${prefix}/include"
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fi
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if test x"$mandir" = x""; then
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mandir="${prefix}/man"
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fi
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echo "Binary directory $bindir"
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echo "Library directory $libdir"
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echo "Include directory $includedir"
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echo "Manual directory $mandir"
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echo "Source path $source_path"
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echo "C compiler $cc"
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echo "make $make"
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echo "CPU $cpu"
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echo "Big Endian $bigendian"
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echo "gprof enabled $gprof"
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echo "Creating config.mak and config.h"
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echo "# Automatically generated by configure - do not modify" > config.mak
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echo "/* Automatically generated by configure - do not modify */" > $TMPH
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echo "prefix=$prefix" >> config.mak
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echo "bindir=$bindir" >> config.mak
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echo "libdir=$libdir" >> config.mak
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echo "includedir=$includedir" >> config.mak
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echo "mandir=$mandir" >> config.mak
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echo "#define CONFIG_TCC_LIBDIR \"$libdir\"" >> $TMPH
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echo "MAKE=$make" >> config.mak
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echo "CC=$cc" >> config.mak
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echo "GCC_MAJOR=$gcc_major" >> config.mak
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echo "#define GCC_MAJOR $gcc_major" >> $TMPH
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echo "HOST_CC=$host_cc" >> config.mak
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echo "AR=$ar" >> config.mak
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echo "STRIP=$strip -s -R .comment -R .note" >> config.mak
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echo "CFLAGS=$CFLAGS" >> config.mak
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echo "LDFLAGS=$LDFLAGS" >> config.mak
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if test "$cpu" = "x86" ; then
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echo "ARCH=i386" >> config.mak
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echo "#define HOST_I386 1" >> $TMPH
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elif test "$cpu" = "armv4l" ; then
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echo "ARCH=arm" >> config.mak
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echo "#define HOST_ARM 1" >> $TMPH
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elif test "$cpu" = "powerpc" ; then
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echo "ARCH=ppc" >> config.mak
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echo "#define HOST_PPC 1" >> $TMPH
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elif test "$cpu" = "mips" ; then
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echo "ARCH=mips" >> config.mak
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echo "#define HOST_MIPS 1" >> $TMPH
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elif test "$cpu" = "s390" ; then
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echo "ARCH=s390" >> config.mak
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echo "#define HOST_S390 1" >> $TMPH
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elif test "$cpu" = "alpha" ; then
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echo "ARCH=alpha" >> config.mak
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echo "#define HOST_ALPHA 1" >> $TMPH
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else
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echo "Unsupported CPU"
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exit 1
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fi
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if test "$bigendian" = "yes" ; then
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echo "WORDS_BIGENDIAN=yes" >> config.mak
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echo "#define WORDS_BIGENDIAN 1" >> $TMPH
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fi
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if test "$gprof" = "yes" ; then
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echo "TARGET_GPROF=yes" >> config.mak
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echo "#define HAVE_GPROF 1" >> $TMPH
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fi
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version=`head $source_path/VERSION`
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echo "VERSION=$version" >>config.mak
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echo "#define TCC_VERSION \"$version\"" >> $TMPH
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echo "@set VERSION $version" > config.texi
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# build tree in object directory if source path is different from current one
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if test "$source_path_used" = "yes" ; then
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DIRS="tests"
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FILES="Makefile tests/Makefile"
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for dir in $DIRS ; do
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mkdir -p $dir
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done
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for f in $FILES ; do
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ln -sf $source_path/$f $f
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done
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fi
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echo "SRC_PATH=$source_path" >> config.mak
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diff $TMPH config.h >/dev/null 2>&1
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if test $? -ne 0 ; then
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mv -f $TMPH config.h
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else
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echo "config.h is unchanged"
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fi
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rm -f $TMPO $TMPC $TMPE $TMPS $TMPH
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