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proxychains-ng/configure

303 lines
9.8 KiB

#!/bin/sh
prefix=/usr/local
OUR_CPPFLAGS=
# Get a temporary filename
fail() { printf "%s\n" "$1" >&2 ; exit 1 ; }
i=0
set -C
while : ; do i=$(($i+1))
tmpc="./conf$$-$PPID-$i.c"
2>|/dev/null > "$tmpc" && break
test "$i" -gt 50 && fail "$0: cannot create temporary file $tmpc"
done
set +C
trap 'rm "$tmpc"' EXIT INT QUIT TERM HUP
check_compile() {
printf "checking %s ... " "$1"
printf "$3" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $2 $CFLAGS "$tmpc" -o "$tmpc".out >/dev/null 2>&1 \
|| res=1
test x$res = x0 && \
{ printf "yes\n" ; test x"$2" = x || OUR_CPPFLAGS="$OUR_CPPFLAGS $2" ; } \
|| printf "no\n"
rm -f "$tmpc".out
return $res
}
get_define() {
$CC $OUR_CPPFLAGS $CPPFLAGS $CFLAGS -dM -E - </dev/null | grep "$1"
}
get_define_stripped() {
local output=$(get_define "$1")
test "$?" = 0 || return 1
printf "%s\n" "$output" | sed 's/^.* .* //'
}
check_define() {
printf "checking whether \$CC defines %s ... " "$1"
local res=1
get_define "$1" >/dev/null && res=0
test x$res = x0 && printf "yes\n" || printf "no\n"
return $res
}
check_compile_run() {
printf "checking %s ... " "$1"
printf "$2" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $CFLAGS "$tmpc" -o "$tmpc".out >/dev/null 2>&1 \
|| res=1
test x$res = x0 && { "$tmpc".out || res=1 ; }
rm -f "$tmpc".out
test x$res = x0 && printf "yes\n" || printf "no\n"
return $res
}
check_link_silent() {
printf "$2" > "$tmpc"
local res=0
$CC $OUR_CPPFLAGS $CPPFLAGS $1 $CFLAGS "$tmpc" -o "$tmpc".out >/dev/null 2>&1 || res=1
rm -f "$tmpc".out
return $res
}
check_link() {
printf "checking %s ... " "$1"
local res=0
check_link_silent "$2" "$3" || res=1
test x$res = x0 && printf "yes\n" || printf "no\n"
return $res
}
usage() {
echo "supported arguments"
echo "--prefix=/path default: $prefix"
echo "--exec_prefix=/path default: $prefix/bin"
echo "--bindir=/path default: $prefix/bin"
echo "--libdir=/path default: $prefix/lib"
echo "--includedir=/path default: $prefix/include"
echo "--sysconfdir=/path default: $prefix/etc"
echo "--ignore-cve default: no"
echo " if set to yes ignores CVE-2015-3887 and makes it possible"
echo " to preload from current dir (possibly insecure, but handy)"
echo "--fat-binary : build for both i386 and x86_64 architectures on 64-bit Macs"
echo "--fat-binary-m1 : build for both arm64e and x86_64 architectures on M1 Macs"
echo "--hookmethod=dlsym|dyld hook method for osx. default: auto"
echo " if OSX >= 12 is detected, dyld method will be used if auto."
echo "--help : show this text"
exit 1
}
spliteq() {
arg=$1
echo "${arg#*=}"
#alternatives echo "$arg" | cut -d= -f2-
# or echo "$arg" | sed 's/[^=]*=//'
}
fat_binary=
fat_binary_m1=
ignore_cve=no
hookmethod=auto
parsearg() {
case "$1" in
--prefix=*) prefix=`spliteq $1`;;
--exec_prefix=*) exec_prefix=`spliteq $1`;;
--bindir=*) bindir=`spliteq $1`;;
--libdir=*) libdir=`spliteq $1`;;
--includedir=*) includedir=`spliteq $1`;;
--sysconfdir=*) sysconfdir=`spliteq $1`;;
--ignore-cve) ignore_cve=1;;
--ignore-cve=*) ignore_cve=`spliteq $1`;;
--hookmethod=*) hookmethod=`spliteq $1`;;
--fat-binary) fat_binary=1;;
--fat-binary-m1) fat_binary_m1=1;;
--help) usage;;
esac
}
while true ; do
case $1 in
-*) parsearg "$1"; shift;;
*) break ;;
esac
done
if [ -z "$exec_prefix" ] ; then
exec_prefix=$prefix
fi
if [ -z "$libdir" ] ; then
libdir=$prefix/lib
fi
if [ -z "$includedir" ] ; then
includedir=$prefix/include
fi
if [ -z "$sysconfdir" ] ; then
sysconfdir=$prefix/etc
fi
if [ -z "$bindir" ] ; then
bindir=$exec_prefix/bin
fi
if [ -z "$CC" ] ; then
CC=cc
fi
echo > config.mak
bsd_detected=false
isbsd() {
$bsd_detected
}
mac_detected=false
ismac() {
$mac_detected
}
mac_64=false
ismac64() {
$mac_64
}
solaris_detected=false
issolaris() {
$solaris_detected
}
haiku_detected=false
ishaiku() {
$haiku_detected
}
check_compile 'whether C compiler works' '' 'int main() {return 0;}' || fail 'error: install a C compiler and library'
check_compile 'whether C compiler understands -Wno-unknown-pragmas' '-Wno-unknown-pragmas' 'int main() {return 0;}'
if ! check_compile 'whether getnameinfo() servlen argument is POSIX compliant (socklen_t)' "-DGN_NODELEN_T=socklen_t -DGN_SERVLEN_T=socklen_t -DGN_FLAGS_T=int" \
'#define _GNU_SOURCE\n#include <netdb.h>\nint getnameinfo(const struct sockaddr *, socklen_t, char *, socklen_t, char *, socklen_t, int);int main() {\nreturn 0;}' ; then
# GLIBC < 2.14
if ! check_compile 'whether getnameinfo() flags argument is unsigned' "-DGN_NODELEN_T=socklen_t -DGN_SERVLEN_T=socklen_t -DGN_FLAGS_T=unsigned" \
'#define _GNU_SOURCE\n#include <netdb.h>\nint getnameinfo(const struct sockaddr *, socklen_t, char *, socklen_t, char *, socklen_t, unsigned);int main() {\nreturn 0;}' ; then
if ! check_compile 'whether getnameinfo() servlen argument is size_t' "-DGN_NODELEN_T=socklen_t -DGN_SERVLEN_T=size_t -DGN_FLAGS_T=int" \
'#define _GNU_SOURCE\n#include <netdb.h>\nint getnameinfo(const struct sockaddr *, socklen_t, char *, socklen_t, char *, size_t, int);int main() {\nreturn 0;}' ; then
# OpenBSD & FreeBSD
if ! check_compile 'whether getnameinfo() servlen and nodelen argument is size_t' "-DGN_NODELEN_T=size_t -DGN_SERVLEN_T=size_t -DGN_FLAGS_T=int" \
'#define _GNU_SOURCE\n#include <netdb.h>\nint getnameinfo(const struct sockaddr *, socklen_t, char *, size_t, char *, size_t, int);int main() {\nreturn 0;}' ; then
fail "failed to detect getnameinfo signature"
fi
fi
fi
fi
check_compile 'whether we have GNU-style getservbyname_r()' "-DHAVE_GNU_GETSERVBYNAME_R" \
'#define _GNU_SOURCE\n#include <netdb.h>\nint main() {\nstruct servent *se = 0;struct servent se_buf;char buf[1024];\ngetservbyname_r("foo", (void*) 0, &se_buf, buf, sizeof(buf), &se);\nreturn 0;}'
check_compile 'whether we have pipe2() and O_CLOEXEC' "-DHAVE_PIPE2" \
'#define _GNU_SOURCE\n#include <fcntl.h>\n#include <unistd.h>\nint main() {\nint pipefd[2];\npipe2(pipefd, O_CLOEXEC);\nreturn 0;}'
check_compile 'whether we have SOCK_CLOEXEC' "-DHAVE_SOCK_CLOEXEC" \
'#define _GNU_SOURCE\n#include <sys/socket.h>\nint main() {\nreturn socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 0);}'
check_compile 'whether we have clock_gettime' "-DHAVE_CLOCK_GETTIME" \
'#define _GNU_SOURCE\n#include <time.h>\nint main() {\nstruct timespec now;clock_gettime(CLOCK_REALTIME, &now);\nreturn now.tv_sec ^ now.tv_nsec;}'
check_define __APPLE__ && {
mac_detected=true
check_define __x86_64__ && mac_64=true
if test "$hookmethod" = auto ; then
osver=$(get_define_stripped __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ 2>/dev/null)
test "$osver" -gt $((120000 - 1)) && hookmethod=dyld
fi
}
check_define __FreeBSD__ && bsd_detected=true
check_define __OpenBSD__ && {
bsd_detected=true
echo "CFLAGS+=-DIS_OPENBSD">>config.mak
check_compile_run 'whether OpenBSDs fclose() (illegally) calls close()' \
'#include <stdio.h>\n#include<stdlib.h>\nint close(int x){exit(0);}int main(){fclose(stdin);return 1;}' && \
OUR_CPPFLAGS="$OUR_CPPFLAGS -DBROKEN_FCLOSE"
}
check_define __sun && check_define __SVR4 && solaris_detected=true
check_define __HAIKU__ && haiku_detected=true
echo "CC=$CC">>config.mak
[ -z "$CPPFLAGS" ] || echo "CPPFLAGS=$CPPFLAGS">>config.mak
[ -z "$CFLAGS" ] || echo "USER_CFLAGS=$CFLAGS">>config.mak
[ -z "$LDFLAGS" ] || echo "USER_LDFLAGS=$LDFLAGS">>config.mak
echo prefix=$prefix>>config.mak
echo exec_prefix=$exec_prefix>>config.mak
echo bindir=$bindir>>config.mak
echo libdir=$libdir>>config.mak
echo includedir=$includedir>>config.mak
echo sysconfdir=$sysconfdir>>config.mak
[ "$ignore_cve" = "no" ] && echo "CPPFLAGS+= -DSUPER_SECURE">>config.mak
[ -z "$OUR_CPPFLAGS" ] || echo "CPPFLAGS+= $OUR_CPPFLAGS" >>config.mak
check_link "whether we can use -Wl,--no-as-needed" "-Wl,--no-as-needed" \
"int main() { return 0; }" || echo NO_AS_NEEDED= >> config.mak
LD_SONAME_FLAG=
printf "checking what's the option to use in linker to set library name ... "
for o in --soname -h -soname -install_name; do
check_link_silent "-shared -Wl,$o,libconftest.so" "void test_func(int a) {}" && LD_SONAME_FLAG=$o && break
done
if [ -z "$LD_SONAME_FLAG" ]; then
printf '\ncannot find an option to set library name\n'
exit 1
fi
echo "$LD_SONAME_FLAG"
echo "LD_SET_SONAME = -Wl,$LD_SONAME_FLAG," >> config.mak
if check_link "checking whether we can use -ldl" "-ldl" \
"int main(){return 0;}" ; then
echo "LIBDL = -ldl" >> config.mak
fi
if check_link "checking whether we can use -lpthread" "-lpthread" \
"int main(){return 0;}" ; then
echo "PTHREAD = -lpthread" >> config.mak
else
check_link "checking whether we can use -pthread" "-pthread" \
"int main(){return 0;}" || fail "no pthread support detected"
echo "PTHREAD = -pthread" >> config.mak
fi
make_cmd=make
if ismac ; then
echo LDSO_SUFFIX=dylib>>config.mak
echo MAC_CFLAGS+=-DIS_MAC=1>>config.mak
if test "$hookmethod" = dyld ; then
echo "using Monterey style DYLD hooking"
echo "CFLAGS+=-DMONTEREY_HOOKING">>config.mak
fi
if ismac64 && [ "$fat_binary" = 1 ] ; then
echo "Configuring a fat binary for i386 and x86_64"
echo "MAC_CFLAGS+=-arch i386 -arch x86_64">>config.mak
echo "FAT_LDFLAGS=-arch i386 -arch x86_64">>config.mak
echo "FAT_BIN_LDFLAGS=-arch i386 -arch x86_64">>config.mak
fi
if [ "$fat_binary_m1" = 1 ] ; then
echo "Configuring a fat binary for arm64[e] and x86_64"
echo "MAC_CFLAGS+=-arch arm64 -arch arm64e -arch x86_64">>config.mak
echo "FAT_LDFLAGS=-arch arm64 -arch arm64e -arch x86_64">>config.mak
echo "FAT_BIN_LDFLAGS=-arch arm64 -arch x86_64">>config.mak
fi
elif isbsd ; then
echo LIBDL=>>config.mak
echo "CFLAGS+=-DIS_BSD">>config.mak
make_cmd=gmake
elif issolaris; then
echo "CFLAGS+=-DIS_SOLARIS -D__EXTENSIONS__" >> config.mak
echo "SOCKET_LIBS=-lsocket -lnsl" >> config.mak
elif ishaiku ; then
echo LIBDL=>>config.mak
echo "CFLAGS+=-DIS_HAIKU" >> config.mak
fi
echo "Done, now run $make_cmd && $make_cmd install"