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configure
executable file
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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=$TMPN.h
# default parameters
prefix=""
execprefix=""
bindir=""
libdir=""
tccdir=""
includedir=""
mandir=""
infodir=""
sysroot=""
cross_prefix=""
cc="gcc"
ar="ar"
bigendian="no"
mingw32="no"
LIBSUF=".a"
EXESUF=""
DLLSUF=".so"
tcc_usrinclude=""
tcc_sysincludepaths=""
tcc_libpaths=""
tcc_crtprefix=""
tcc_elfinterp=""
triplet=
tcc_lddir=
confvars=
suggest="yes"
gcc_major=0
gcc_minor=0
cc_name="gcc"
ar_set=
darwin=
cpuver=
dwarf=
# use CC from environment when set
test -n "$CC" && cc="$CC"
# OS specific
cpu=`uname -m`
cpu_sys="$cpu"
targetos=`uname`
if test "$targetos" = "Linux" ; then
test "$(uname -o)" = "Android" && targetos=Android
fi
case $targetos in
Darwin)
darwin=yes
confvars="$confvars OSX dll=no"
cc=`which cc`
cc=`readlink $cc || echo clang`
tcc_usrinclude="`xcrun --show-sdk-path`/usr/include"
DLLSUF=".dylib"
;;
Windows_NT|MINGW*|MSYS*|CYGWIN*)
mingw32=yes
targetos=WIN32
;;
DragonFly|OpenBSD|FreeBSD|NetBSD)
confvars="$confvars BSD ldl=no"
;;
Android)
confvars="$confvars Android pie new-dtags"
if test -n "$TERMUX_VERSION"; then
prefix="$PREFIX" # "/data/data/com.termux/files/usr"
sysroot="$PREFIX"
test "$cpu" = "aarch64" -o "$cpu" = "x86_64" && S="64" || S=""
tcc_sysincludepaths="{B}/include:{R}/include/\\\"CONFIG_TRIPLET\\\":{R}/include"
tcc_libpaths="{B}:{R}/lib:/system/lib${S}"
tcc_crtprefix="{R}/lib"
tcc_elfinterp="/system/bin/linker${S}"
use_triplet="yes"
tcc_switches="-Wl,-rpath=$sysroot/lib,-section-alignment=0x1000"
fi
;;
*)
;;
esac
# find source path
source_path=${0%configure}
source_path=${source_path%/}
source_path_used="yes"
if test -z "$source_path" -o "$source_path" = "." ; then
source_path=`pwd`
source_path_used="no"
fi
for opt do
eval opt=\"$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-`
;;
--dwarf=*) dwarf=`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="$confvars rpath=no"
;;
--debug) confvars="$confvars debug"
;;
--with-libgcc) confvars="$confvars libgcc"
;;
--with-selinux) confvars="$confvars selinux"
;;
--tcc-switches=*) tcc_switches=`echo $opt | cut -d '=' -f 2-`
;;
--config-mingw32*) mingw32=$(echo "$opt=yes" | cut -d '=' -f 2)
;;
--config-*) confvars="$confvars ${opt#--config-}"; suggest="no"
;;
--help|-h) show_help="yes"
;;
*) echo "configure: WARNING: unrecognized option $opt"
;;
esac
done
cc="${cross_prefix}${cc}"
ar="${cross_prefix}${ar}"
# Checking for CFLAGS
test -z "$CFLAGS" && CFLAGS="-Wall -O2"
# on OSX M1 with --cpu=x86_64, build a tcc to run under rosetta entirely
if test "$darwin" = "yes" -a "$cpu" = "x86_64" -a "$cpu_sys" = "arm64"; then
CFLAGS="$CFLAGS -arch $cpu"
LDFLAGS="$LDFLAGS -arch $cpu"
fi
case "$cpu" in
x86|i386|i486|i586|i686|i86pc|BePC|i686-AT386)
cpu="i386"
;;
x86_64|amd64|x86-64)
cpu="x86_64"
;;
evbarm)
case "`uname -p`" in
aarch64|arm64)
cpu="arm64"
;;
earmv*)
cpu="arm"
;;
esac
;;
aarch64|arm64|evbarm)
cpu="arm64"
;;
arm*)
case "$cpu" in
arm|armv4l)
cpuver=4
;;
armv5tel|armv5tejl)
cpuver=5
;;
armv6j|armv6l)
cpuver=6
;;
armv7|armv7a|armv7l)
cpuver=7
;;
esac
cpu="arm"
;;
alpha)
cpu="alpha"
;;
"Power Macintosh"|ppc|ppc64)
cpu="ppc"
;;
mips)
cpu="mips"
;;
s390)
cpu="s390"
;;
riscv64)
cpu="riscv64"
;;
*)
echo "Unsupported CPU"
exit 1
;;
esac
if test "$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}" && tccdir_auto="yes"
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"
fi
fi # mingw32
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 [$sysroot]
--cc=CC use C compiler CC [$cc]
--ar=AR create archives using AR [$ar]
--extra-cflags= specify compiler flags [$CFLAGS]
--extra-ldflags= specify linker options [$LDFLAGS]
--cpu=CPU CPU [$cpu]
--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 libtcc.so
--with-libgcc use libgcc_s.so.1 instead of libtcc1.a
--with-selinux use mmap for executable memory (tcc -run)
--enable-cross build cross compilers (see also 'make help')
--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
--tcc-switches=... specify implicit switches passed to tcc
--config-uClibc,-musl enable system specific configurations
--config-mingw32 build on windows using msys, busybox, etc.
--config-backtrace=no disable stack backtraces (with -run or -bt)
--config-bcheck=no disable bounds checker (-b)
--config-predefs=no do not compile tccdefs.h, instead just include
--config-new_macho Use apple new macho object format
--config-codesign Use codesign on apple to sign executables
--dwarf=x Use dwarf debug info instead of stabs (x=2..5)
EOF
exit 1
fi
if test -z "$cross_prefix" ; then
CONFTEST=./conftest$EXESUF
if ! $cc -o $CONFTEST $source_path/conftest.c ; then
echo "configure: error: '$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" -a -n "$_triplet"; then
if test -f "/usr/lib/$_triplet/crti.o" -o -n "$use_triplet" ; then
triplet="$_triplet"
fi
fi
if test -z "$triplet"; then
if test $cpu = "x86_64" -o $cpu = "arm64" -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 arm_vfp"
elif test "${_triplet%eabihf}" != "$_triplet" ; then
confvars="$confvars arm_eabihf arm_vfp"
elif test "${_triplet%eabi}" != "$_triplet" ; then
confvars="$confvars arm_eabi arm_vfp"
elif 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
fi
else
# if cross compiling, cannot launch a program, so make a static guess
case $cpu in
ppc|mips|s390) bigendian=yes;;
esac
fi
if test "$bigendian" = "yes" ; then
confvars="$confvars BIGENDIAN"
fi
# a final configuration tuning
if test "$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"
OPT2="$OPT2 -Wstringop-truncation"
if test "$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 $CFLAGS
rm -f cc_msg.txt a.out
else # cc is tcc
test "$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 " "${confvars# }"
echo "Creating config.mak and config.h"
cat >config.mak <<EOF
# Automatically generated by configure - do not modify
prefix=$prefix
bindir=\$(DESTDIR)$bindir
tccdir=\$(DESTDIR)$tccdir
libdir=\$(DESTDIR)$libdir
includedir=\$(DESTDIR)$includedir
mandir=\$(DESTDIR)$mandir
infodir=\$(DESTDIR)$infodir
docdir=\$(DESTDIR)$docdir
CC=$cc
CC_NAME=$cc_name
GCC_MAJOR=$gcc_major
GCC_MINOR=$gcc_minor
AR=$ar
CFLAGS=$CFLAGS
LDFLAGS=$LDFLAGS
LIBSUF=$LIBSUF
EXESUF=$EXESUF
DLLSUF=$DLLSUF
EOF
print_inc() {
local v="$2"
if test -n "$v"; then
test "$3" = "num" || v="\"$v\""
echo "#ifndef $1" >> $TMPH
echo "# define $1 $v" >> $TMPH
echo "#endif" >> $TMPH
fi
}
print_mak() {
local v="$2"
if test -n "$v"; then
test "$3" = "num" || v="\"\\\"$v\\\"\""
echo "NATIVE_DEFINES+=-D$1=$v" >> config.mak
fi
}
echo "/* Automatically generated by configure - do not modify */" > $TMPH
print_inc CONFIG_SYSROOT "$sysroot"
test "$tccdir_auto" = "yes" || print_inc CONFIG_TCCDIR "$tccdir"
print_inc DWARF_VERSION "$dwarf" num
print_mak CONFIG_USR_INCLUDE "$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_TCC_SWITCHES "$tcc_switches"
print_mak CONFIG_LDDIR "$tcc_lddir"
print_mak CONFIG_TRIPLET "$triplet"
print_mak TCC_CPU_VERSION "$cpuver" num
echo "ARCH=$cpu" >> config.mak
echo "TARGETOS=$targetos" >> config.mak
predefs="1"
for v in $confvars ; do
test "$v" = "predefs=no" && predefs=""
if test "${v%=*}" = "$v"; then
echo "CONFIG_$v=yes" >> config.mak
else
echo "CONFIG_$v" >> config.mak
fi
done
print_inc CONFIG_TCC_PREDEFS "$predefs" num
version=`head $source_path/VERSION`
echo "VERSION = $version" >> config.mak
echo "#define TCC_VERSION \"$version\"" >> $TMPH
echo "@set VERSION $version" > config.texi
if test "$source_path_used" = "yes" ; then
case $source_path in
/*) echo "TOPSRC=$source_path";;
*) echo "TOPSRC=\$(TOP)/$source_path";;
esac >>config.mak
else
echo 'TOPSRC=$(TOP)' >>config.mak
fi
cat >>$TMPH <<EOF
#define GCC_MAJOR $gcc_major
#define GCC_MINOR $gcc_minor
#define CC_NAME CC_${cc_name}
EOF
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 || ( echo "ln failed. Using cp instead."; cp -f $1/$2 $2 )
}
if test "$source_path_used" = "yes" ; then
FILES="Makefile lib/Makefile tests/Makefile tests/tests2/Makefile tests/pp/Makefile"
for f in $FILES ; do
fn_makelink $source_path $f
done
fi
# ---------------------------------------------------------------------------