f7b417723e
Fix path of Makefile symlinks in a out-of-tree build where the root directory of the source is given as a relative path.
531 lines
13 KiB
Bash
Executable file
531 lines
13 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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fn_dirname()
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{
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case $1 in
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*/*) echo "$1" | sed -e 's,/[^/]*,,';;
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*) echo '.'
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esac
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}
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# set temporary file name
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if test ! -z "$TMPDIR" ; then
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TMPDIR1="${TMPDIR}"
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elif test ! -z "$TEMPDIR" ; then
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TMPDIR1="${TEMPDIR}"
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else
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TMPDIR1="/tmp"
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fi
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# bashism: TMPN="${TMPDIR1}/tcc-conf-${RANDOM}-$$-${RANDOM}.c"
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TMPN="./conftest-$$"
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TMPC=$TMPN.c
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TMPH=$TMPN.h
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TMPO=$TMPN.o
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TMPE=$TMPN
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# default parameters
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build_cross="no"
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use_libgcc="no"
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prefix=""
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execprefix=""
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bindir=""
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libdir=""
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tccdir=""
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includedir=""
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mandir=""
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infodir=""
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sysroot=""
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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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strip="strip"
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cygwin="no"
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cpu=`uname -m`
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tcc_sysincludepaths=""
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tcc_libpaths=""
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tcc_crtprefix=""
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tcc_elfinterp=""
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case "$cpu" in
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i386|i486|i586|i686|i86pc|BePC|i686-AT386)
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cpu="x86"
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;;
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x86_64)
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cpu="x86-64"
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;;
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arm*)
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case "$cpu" in
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arm|armv4l)
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cpuver=4
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;;
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armv5tel|armv5tejl)
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cpuver=5
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;;
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armv6j|armv6l)
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cpuver=6
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;;
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armv7a|armv7l)
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cpuver=7
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;;
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esac
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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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mingw32="no"
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LIBSUF=".a"
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EXESUF=""
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# OS specific
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targetos=`uname -s`
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case $targetos in
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MINGW32*) mingw32=yes;;
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DragonFly) noldl=yes;;
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OpenBSD) noldl=yes;;
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*) ;;
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esac
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# find source path
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# XXX: we assume an absolute path is given when launching configure,
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# except in './configure' case.
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source_path=${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 "$source_path" = "." ; then
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source_path=`pwd`
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source_path_used="no"
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fi
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for opt do
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eval opt=$opt
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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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--tccdir=*) tccdir=`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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--sharedir=*) sharedir=`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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--infodir=*) infodir=`echo $opt | cut -d '=' -f 2`
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;;
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--docdir=*) docdir=`echo $opt | cut -d '=' -f 2`
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;;
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--sysroot=*) sysroot=`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 $opt | cut -d '=' -f 2`
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;;
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--extra-cflags=*) CFLAGS="${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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--sysincludepaths=*) tcc_sysincludepaths=`echo $opt | cut -d '=' -f 2`
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;;
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--libpaths=*) tcc_libpaths=`echo $opt | cut -d '=' -f 2`
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;;
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--crtprefix=*) tcc_crtprefix=`echo $opt | cut -d '=' -f 2`
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;;
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--elfinterp=*) tcc_elfinterp=`echo $opt | cut -d '=' -f 2`
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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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--enable-mingw32) mingw32="yes" ; cross_prefix="i686-pc-mingw32-" ; cpu=x86
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;;
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--enable-cygwin) mingw32="yes" ; cygwin="yes" ; cross_prefix="mingw32-" ; cpu=x86
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;;
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--enable-cross) build_cross="yes"
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;;
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--disable-static) disable_static="yes"
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;;
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--disable-rpath) disable_rpath="yes"
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;;
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--strip-binaries) strip_binaries="yes"
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;;
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--with-libgcc) use_libgcc="yes"
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;;
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--with-selinux) have_selinux="yes"
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;;
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--help|-h) show_help="yes"
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;;
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*) echo "configure: WARNING: unrecognized option $opt"
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;;
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esac
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done
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# Checking for CFLAGS
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if test -z "$CFLAGS"; then
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CFLAGS="-Wall -g -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 "$mingw32" = "yes" ; then
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LIBSUF=".lib"
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EXESUF=".exe"
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fi
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if test -z "$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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case $cpu in
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powerpc|mips|s390) bigendian=yes;;
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esac
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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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cat > $TMPC <<EOF
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int main(void) {
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#if __GNUC__ >= 4
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return 0;
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#else
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#error gcc < 4
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#endif
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}
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EOF
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if $cc -o $TMPO $TMPC 2> /dev/null ; then
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gcc_major="4"
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fi
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if test x"$show_help" = "xyes" ; 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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Standard options:
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--help print this message
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--prefix=PREFIX install in PREFIX [$prefix]
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--exec-prefix=EPREFIX install architecture-dependent files in EPREFIX
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[same as prefix]
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--bindir=DIR user executables in DIR [EPREFIX/bin]
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--libdir=DIR object code libraries in DIR [EPREFIX/lib]
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--tccdir=DIR installation directory [EPREFIX/lib/tcc]
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--includedir=DIR C header files in DIR [PREFIX/include]
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--sharedir=DIR documentation root DIR [PREFIX]/share
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--docdir=DIR documentation in DIR [SHAREDIR/doc/tcc]
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--mandir=DIR man documentation in DIR [SHAREDIR/man]
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--infodir=DIR info documentation in DIR [SHAREDIR/info]
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Advanced options (experts only):
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--source-path=PATH path of source code [$source_path]
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--cross-prefix=PREFIX use PREFIX for compile tools [$cross_prefix]
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--sysroot=PREFIX prepend PREFIX to library/include paths []
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--cc=CC use C compiler CC [$cc]
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--disable-static make libtcc.so instead of libtcc.a
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--disable-rpath disable use of -rpath with the above
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--strip-binaries strip symbol tables from resulting binaries
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--with-libgcc use /lib/libgcc_s.so.1 instead of libtcc.a
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--enable-mingw32 build windows version on linux with mingw32
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--enable-cygwin build windows version on windows with cygwin
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[requires cygwin and mingw32-make]
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--enable-cross build cross compilers
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--extra-cflags= extra compiler flags
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--extra-ldflags= extra linker options
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--with-selinux use mmap instead of exec mem
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[requires write access to /tmp]
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--sysincludepaths=... specify system include paths, colon separated
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--libpaths=... specify system library paths, colon separated
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--crtprefix=... specify locations of crt?.o, colon separated
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--elfinterp=... specify elf interpreter
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EOF
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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 "$mingw32" = "yes" ; then
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if test x"$tccdir" = x""; then
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tccdir="tcc"
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fi
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if test -z "$prefix" ; then
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prefix="C:/Program Files/${tccdir}"
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fi
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if test -z "$sharedir" ; then
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sharedir="${prefix}"
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fi
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execprefix="$prefix"
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bindir="${prefix}"
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tccdir="${prefix}"
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libdir="${prefix}/lib"
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docdir="${sharedir}/doc"
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mandir="${sharedir}/man"
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infodir="${sharedir}/info"
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else
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if test -z "$prefix" ; then
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prefix="/usr/local"
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fi
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if test -z "$sharedir" ; then
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sharedir="${prefix}/share"
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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"$libdir" = x""; then
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libdir="${execprefix}/lib"
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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"$tccdir" = x""; then
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tccdir="tcc"
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fi
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if test x"$docdir" = x""; then
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docdir="${sharedir}/doc/${tccdir}"
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fi
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if test x"$mandir" = x""; then
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mandir="${sharedir}/man"
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fi
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if test x"$infodir" = x""; then
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infodir="${sharedir}/info"
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fi
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tccdir="${libdir}/${tccdir}"
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fi # mingw32
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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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cat <<EOF
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Binary directory $bindir
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TinyCC directory $tccdir
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Library directory $libdir
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Include directory $includedir
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Manual directory $mandir
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Info directory $infodir
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Doc directory $docdir
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Target root prefix $sysroot
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Source path $source_path
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C compiler $cc
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Target OS $targetos
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CPU $cpu
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Big Endian $bigendian
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gprof enabled $gprof
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cross compilers $build_cross
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use libgcc $use_libgcc
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EOF
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echo "Creating config.mak and config.h"
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cat >config.mak <<EOF
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# Automatically generated by configure - do not modify
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prefix=$prefix
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bindir=\$(DESTDIR)$bindir
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tccdir=\$(DESTDIR)$tccdir
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libdir=\$(DESTDIR)$libdir
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ln_libdir=$libdir
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includedir=\$(DESTDIR)$includedir
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mandir=\$(DESTDIR)$mandir
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infodir=\$(DESTDIR)$infodir
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docdir=\$(DESTDIR)$docdir
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EOF
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echo "/* Automatically generated by configure - do not modify */" > $TMPH
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print_var1()
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{
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echo "#ifndef $1" >> $TMPH
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echo "# define $1 \"$2\"" >> $TMPH
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echo "#endif" >> $TMPH
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}
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print_var2()
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{
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if test -n "$2"; then print_var1 $1 "$2"; fi
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}
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print_var2 CONFIG_SYSROOT "$sysroot"
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print_var1 CONFIG_TCCDIR "$tccdir"
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print_var2 CONFIG_TCC_SYSINCLUDEPATHS "$tcc_sysincludepaths"
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print_var2 CONFIG_TCC_LIBPATHS "$tcc_libpaths"
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print_var2 CONFIG_TCC_CRTPREFIX "$tcc_crtprefix"
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print_var2 CONFIG_TCC_ELFINTERP "$tcc_elfinterp"
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echo "CC=$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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cat >> config.mak <<EOF
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CPPFLAGS = -I. -I\$(top_srcdir)
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CFLAGS=$CFLAGS
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LDFLAGS=$LDFLAGS
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LIBSUF=$LIBSUF
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EXESUF=$EXESUF
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EOF
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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" = "x86-64" ; then
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echo "ARCH=x86-64" >> config.mak
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echo "#define HOST_X86_64 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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echo "#define TCC_ARM_VERSION $cpuver" >> $TMPH
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elif test "$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" >> $TMPH
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else
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echo "Unsupported CPU"
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exit 1
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fi
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echo "TARGETOS=$targetos" >> config.mak
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if test "$noldl" = "yes" ; then
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echo "CONFIG_NOLDL=yes" >> config.mak
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fi
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if test "$mingw32" = "yes" ; then
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echo "CONFIG_WIN32=yes" >> config.mak
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echo "#define CONFIG_WIN32 1" >> $TMPH
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fi
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if test "$cygwin" = "yes" ; then
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echo "#ifndef _WIN32" >> $TMPH
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echo "#define _WIN32" >> $TMPH
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echo "#endif" >> $TMPH
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echo "AR=ar" >> config.mak
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fi
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if test "$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" >> $TMPH
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fi
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if test "$build_cross" = "yes" ; then
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echo "CONFIG_CROSS=yes" >> config.mak
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fi
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if test "$disable_static" = "yes" ; then
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echo "DISABLE_STATIC=yes" >> config.mak
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fi
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if test "$disable_rpath" = "yes" ; then
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echo "DISABLE_RPATH=yes" >> config.mak
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fi
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if test "$strip_binaries" = "yes" ; then
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echo "STRIP_BINARIES=yes" >> config.mak
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fi
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if test "$use_libgcc" = "yes" ; then
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echo "#define CONFIG_USE_LIBGCC" >> $TMPH
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echo "CONFIG_USE_LIBGCC=yes" >> config.mak
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fi
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if test "$have_selinux" = "yes" ; then
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echo "#define HAVE_SELINUX" >> $TMPH
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echo "HAVE_SELINUX=yes" >> config.mak
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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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FILES="Makefile lib/Makefile tests/Makefile tests2/Makefile"
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for f in $FILES ; do
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dir=`fn_dirname "$f"`
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test -d "$dir" || mkdir -p "$dir"
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# Build a symlink $f that points to $dest, its $source_path
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# counterpart.
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case $source_path in
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/*) dest=$source_path/$f;;
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*) dest=`echo "$dir/" | sed 's,^\./,,;s,[^/]*/,../,g'`
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dest=$dest$source_path/$f;;
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esac
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ln -sf $dest $f
|
|
done
|
|
fi
|
|
cat >>config.mak <<EOF
|
|
SRC_PATH = $source_path
|
|
top_builddir = \$(TOP)
|
|
EOF
|
|
case $source_path in
|
|
/*) echo 'top_srcdir = $(SRC_PATH)';;
|
|
*) echo 'top_srcdir = $(TOP)/$(SRC_PATH)';;
|
|
esac >>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*
|