#!/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 parametersprefix=""execprefix=""bindir=""libdir=""tccdir=""includedir=""mandir=""infodir=""sysroot=""cross_prefix=""cc="gcc"ar="ar"strip="strip"bigendian="no"mingw32="no"LIBSUF=".a"EXESUF=""DLLSUF=".so"tcc_usrinclude=""tcc_sysincludepaths=""tcc_libpaths=""tcc_crtprefix=""tcc_elfinterp=""triplet=tcc_lddir=confvars=suggest="yes"cpu=cpuver=gcc_major=0gcc_minor=0cc_name="gcc"ar_set= # OS specifictargetos=`uname`case $targetos in  Darwin)    confvars="$confvars OSX"    cc=`which cc`    cc=`readlink $cc`    tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"    DLLSUF=".dylib"    ;;  Windows_NT|MINGW*|MSYS*|CYGWIN*)    mingw32=yes    ;;  DragonFly|OpenBSD|FreeBSD|NetBSD)    confvars="$confvars ldl=no"    ;;  *)    ;;esac # find source pathsource_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`  ;;  --ar=*) ar=`echo $opt | cut -d '=' -f 2` ; ar_set="yes"  ;;  --extra-cflags=*) CFLAGS="${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`  ;;  --triplet=*) triplet=`echo $opt | cut -d '=' -f 2`  ;;  --cpu=*) cpu=`echo $opt | cut -d '=' -f 2`  ;;  --enable-cross) confvars="$confvars cross"  ;;  --disable-static) confvars="$confvars static=no"  ;;  --enable-static) confvars="$confvars static"  ;;  --disable-rpath) confvars="$confvars rpath=no"  ;;  --strip-binaries) confvars="$confvars strip"  ;;  --debug) confvars="$confvars strip=no"  ;;  --with-libgcc) confvars="$confvars libgcc"  ;;  --with-selinux) confvars="$confvars selinux"  ;;  --config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)  ;;  --config-*) confvars="$confvars ${opt#--config-}"; suggest="no"  ;;  --help|-h) show_help="yes"  ;;  *) echo "configure: WARNING: unrecognized option $opt"  ;;  esacdone cc="${cross_prefix}${cc}"ar="${cross_prefix}${ar}"strip="${cross_prefix}${strip}" if test -z "$cpu" ; then    if test -n "$ARCH" ; then        cpu="$ARCH"    else        cpu=`uname -m`    fifi case "$cpu" in  x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)    cpu="i386"  ;;  x86_64|amd64|x86-64)    cpu="x86_64"  ;;  arm*)    case "$cpu" in      arm|armv4l)	cpuver=4      ;;      armv5tel|armv5tejl)	cpuver=5      ;;      armv6j|armv6l)	cpuver=6      ;;      armv7a|armv7l)	cpuver=7      ;;    esac    cpu="arm"  ;;  aarch64)    cpu="aarch64"  ;;  alpha)    cpu="alpha"  ;;  "Power Macintosh"|ppc|ppc64)    cpu="ppc"  ;;  mips)    cpu="mips"  ;;  s390)    cpu="s390"  ;;  riscv64)    cpu="riscv64"  ;;  *)    echo "Unsupported CPU"    exit 1  ;;esac # Checking for CFLAGSif test -z "$CFLAGS"; then    CFLAGS="-Wall -O2"fi if test "$mingw32" = "yes" ; then    if test "$source_path_used" = "no"; then      source_path="."    fi    test -z "$prefix" && prefix="C:/Program Files/tcc"    test -z "$tccdir" && tccdir="${prefix}"    test -z "$bindir" && bindir="${tccdir}"    test -z "$docdir" && docdir="${tccdir}/doc"    test -z "$libdir" && libdir="${tccdir}/libtcc"    confvars="$confvars WIN32"    LIBSUF=".lib"    EXESUF=".exe"    DLLSUF=".dll"else    if test -z "$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"$docdir" = x""; then      docdir="${sharedir}/doc"    fi    if test x"$mandir" = x""; then      mandir="${sharedir}/man"    fi    if test x"$infodir" = x""; then      infodir="${sharedir}/info"    fi    if test x"$tccdir" = x""; then      tccdir="${libdir}/tcc"    fi    if test x"$includedir" = x""; then      includedir="${prefix}/include"    fifi # mingw32 if test x"$show_help" = "xyes" ; thencat << EOFUsage: configure [options]Options: [defaults in brackets after descriptions] Standard options:  --help                   print this message  --prefix=PREFIX          install in PREFIX [$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 [$cc]  --ar=AR                  create archives using AR [$ar]  --extra-cflags=          specify compiler flags [$CFLAGS]  --extra-ldflags=         specify linker options []  --cpu=CPU                CPU [$cpu]  --strip-binaries         strip symbol tables from resulting binaries  --debug                  include debug info with resulting binaries  --disable-static         make libtcc.so instead of libtcc.a  --enable-static          make libtcc.a instead of libtcc.dll (win32)  --disable-rpath          disable use of -rpath with the above  --with-libgcc            use libgcc_s.so.1 instead of libtcc1.a  --enable-cross           build cross compilers  --with-selinux           use mmap for executable memory (with tcc -run)  --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  --triplet=...            specify system library/include directory triplet  --config-uClibc,-musl,-mingw32... enable system specific configurationsEOF#echo "NOTE: The object files are build at the place where configure is launched"exit 1fi if test -z "$cross_prefix" ; then  CONFTEST=./conftest$EXESUF  if ! $cc -o $CONFTEST $source_path/conftest.c 2>/dev/null ; then    echo "configure: error: '$cc' failed to compile conftest.c."  else    cc_name="$($CONFTEST compiler)"    gcc_major="$($CONFTEST version)"    gcc_minor="$($CONFTEST minor)"    bigendian="$($CONFTEST bigendian)"    _triplet="$($CONFTEST triplet)"  fi  if test "$mingw32" = "no" ; then       if test -z "$triplet"; then        if test -n "$_triplet" -a -f "/usr/lib/$_triplet/crti.o" ; then          triplet="$_triplet"        fi      fi       if test -z "$triplet"; then        if test $cpu = "x86_64" -o $cpu = "aarch64" -o $cpu = "riscv64" ; then          if test -f "/usr/lib64/crti.o" ; then            tcc_lddir="lib64"          fi        fi      fi       if test "$cpu" = "arm" ; then	if test "${triplet%eabihf}" != "$triplet" ; then	   confvars="$confvars arm_eabihf arm_vfp"	elif test "${triplet%eabi}" != "$triplet" ; then	   confvars="$confvars arm_eabi"	fi	if grep -s -q "^Features.* \(vfp\|iwmmxt\) " /proc/cpuinfo ; then	   confvars="$confvars arm_vfp"	fi      fi       if test "$suggest" = "yes"; then        if test -f "/lib/ld-uClibc.so.0" ; then          echo "Perhaps you want ./configure --config-uClibc"        fi        if test -f "/lib/ld-musl-$cpu.so.1"; then          echo "Perhaps you want ./configure --config-musl"        fi      fi  else # mingw32 = yes      if test "$cc_name" = "gcc"; then        # avoid mingw dependencies such as 'libgcc_s_dw2-1.dll'        test -z "$LDFLAGS" && LDFLAGS="-static"      fi  fielse  # if cross compiling, cannot launch a program, so make a static guess  case $cpu in    ppc|mips|s390)  bigendian=yes;;  esacfi if test "$bigendian" = "yes" ; then  confvars="$confvars BIGENDIAN"fi # a final configuration tuningif test "$cc_name" != "tcc"; then  OPT1="-Wdeclaration-after-statement -fno-strict-aliasing"  # we want -Wno- but gcc does not always reject unknown -Wno- options  OPT2="-Wpointer-sign -Wsign-compare -Wunused-result -Wformat-truncation"  if test "$cc_name" = "clang"; then    OPT1="$OPT1 -fheinous-gnu-extensions"    OPT2="$OPT2 -Wstring-plus-int"  fi  $cc $OPT1 $OPT2 -o a.out -c -xc - < /dev/null > cc_msg.txt 2>&1  for o in $OPT1; do # enable these options    if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS $o"; fi  done  for o in $OPT2; do # disable these options    if ! grep -q -- $o cc_msg.txt; then CFLAGS="$CFLAGS -Wno-${o#-W*}"; fi  done  # cat cc_msg.txt  # echo $CFLAGS  rm -f cc_msg.txt a.outelse # cc is tcc  test "$ar_set" || ar="$cc -ar"fi fcho() { if test -n "$2"; then echo "$1$2"; fi } fcho "Binary directory    " "$bindir"fcho "TinyCC directory    " "$tccdir"fcho "Library directory   " "$libdir"fcho "Include directory   " "$includedir"fcho "Manual directory    " "$mandir"fcho "Info directory      " "$infodir"fcho "Doc directory       " "$docdir"fcho "Target root prefix  " "$sysroot"fcho "/usr/include dir    " "$tcc_usrinclude"echo "Source path         $source_path"echo "C compiler          $cc ($gcc_major.$gcc_minor)"echo "Target OS           $targetos"echo "CPU                 $cpu"fcho "Triplet             " "$triplet"fcho "Config              " "${confvars# }"echo "Creating config.mak and config.h" cat >config.mak <<EOF# Automatically generated by configure - do not modifyprefix=$prefixbindir=\$(DESTDIR)$bindirtccdir=\$(DESTDIR)$tccdirlibdir=\$(DESTDIR)$libdirincludedir=\$(DESTDIR)$includedirmandir=\$(DESTDIR)$mandirinfodir=\$(DESTDIR)$infodirdocdir=\$(DESTDIR)$docdirCC=$ccCC_NAME=$cc_nameGCC_MAJOR=$gcc_majorGCC_MINOR=$gcc_minorAR=$arSTRIP=$strip -s -R .comment -R .noteCFLAGS=$CFLAGSLDFLAGS=$LDFLAGSLIBSUF=$LIBSUFEXESUF=$EXESUFDLLSUF=$DLLSUFEOF 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} print_mak_int() {  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 "$tccdir"print_mak CONFIG_USR_INCLUDE "$tcc_usrinclude"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_LDDIR "$tcc_lddir"print_mak CONFIG_TRIPLET "$triplet"print_mak_int TCC_CPU_VERSION "$cpuver" if test "$cpu" = "aarch64" ; then  echo "ARCH=arm64" >> config.makelse  echo "ARCH=$cpu" >> config.makfiecho "TARGETOS=$targetos" >> config.mak for v in $confvars ; do  if test "${v%=*}" = "$v"; then    echo "CONFIG_$v=yes" >> config.mak  else    echo "CONFIG_$v" >> config.mak  fidone version=`head $source_path/VERSION`echo "VERSION = $version" >> config.makecho "#define TCC_VERSION \"$version\"" >> $TMPHecho "@set VERSION $version" > config.texi if test "$source_path_used" = "yes" ; then

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