230 lines
6.2 KiB
Bash
Executable File
230 lines
6.2 KiB
Bash
Executable File
#!/bin/sh
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prefix=/usr/local
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OUR_CPPFLAGS=
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# Get a temporary filename
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i=0
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set -C
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while : ; do i=$(($i+1))
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tmpc="./conf$$-$PPID-$i.c"
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2>|/dev/null > "$tmpc" && break
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test "$i" -gt 50 && fail "$0: cannot create temporary file $tmpc"
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done
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set +C
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trap 'rm "$tmpc"' EXIT INT QUIT TERM HUP
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check_compile() {
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printf "checking %s ... " "$1"
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printf "$3" > "$tmpc"
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local res=0
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$CC $OUR_CPPFLAGS $CPPFLAGS $2 $CFLAGS "$tmpc" -o /dev/null >/dev/null 2>&1 \
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|| res=1
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test x$res = x0 && \
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{ printf "yes\n" ; test x"$2" = x || OUR_CPPFLAGS="$OUR_CPPFLAGS $2" ; } \
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|| printf "no\n"
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return $res
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}
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check_define() {
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printf "checking whether \$CC defines %s ... " "$1"
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local res=1
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$CC $OUR_CPPFLAGS $CPPFLAGS $CFLAGS -dM -E - </dev/null | grep "$1" >/dev/null && res=0
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test x$res = x0 && printf "yes\n" || printf "no\n"
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return $res
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}
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check_compile_run() {
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printf "checking %s ... " "$1"
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printf "$2" > "$tmpc"
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local res=0
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$CC $OUR_CPPFLAGS $CPPFLAGS $CFLAGS "$tmpc" -o "$tmpc".out >/dev/null 2>&1 \
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|| res=1
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test x$res = x0 && { "$tmpc".out || res=1 ; }
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rm -f "$tmpc".out
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test x$res = x0 && printf "yes\n" || printf "no\n"
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return $res
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}
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check_link_silent() {
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printf "$2" > "$tmpc"
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$CC $OUR_CPPFLAGS $CPPFLAGS $1 $CFLAGS "$tmpc" -o /dev/null >/dev/null 2>&1
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}
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check_link() {
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printf "checking %s ... " "$1"
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local res=0
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check_link_silent "$2" "$3" || res=1
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test x$res = x0 && printf "yes\n" || printf "no\n"
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return $res
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}
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usage() {
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echo "supported arguments"
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echo "--prefix=/path default: $prefix"
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echo "--exec_prefix=/path default: $prefix/bin"
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echo "--bindir=/path default: $prefix/bin"
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echo "--libdir=/path default: $prefix/lib"
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echo "--includedir=/path default: $prefix/include"
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echo "--sysconfdir=/path default: $prefix/etc"
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echo "--ignore-cve default: no"
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echo " if set to yes ignores CVE-2015-3887 and makes it possible"
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echo " to preload from current dir (insecure)"
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echo "--fat-binary : build for both i386 and x86_64 architectures on 64-bit Macs"
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echo "--help : show this text"
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exit 1
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}
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spliteq() {
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arg=$1
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echo "${arg#*=}"
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#alternatives echo "$arg" | cut -d= -f2-
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# or echo "$arg" | sed 's/[^=]*=//'
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}
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fat_binary=
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ignore_cve=no
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parsearg() {
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case "$1" in
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--prefix=*) prefix=`spliteq $1`;;
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--exec_prefix=*) exec_prefix=`spliteq $1`;;
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--bindir=*) bindir=`spliteq $1`;;
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--libdir=*) libdir=`spliteq $1`;;
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--includedir=*) includedir=`spliteq $1`;;
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--sysconfdir=*) sysconfdir=`spliteq $1`;;
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--ignore-cve) ignore_cve=1;;
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--ignore-cve=*) ignore_cve=`spliteq $1`;;
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--fat-binary) fat_binary=1;;
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--help) usage;;
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esac
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}
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while true ; do
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case $1 in
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-*) parsearg "$1"; shift;;
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*) break ;;
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esac
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done
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if [ -z "$exec_prefix" ] ; then
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exec_prefix=$prefix
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fi
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if [ -z "$libdir" ] ; then
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libdir=$prefix/lib
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fi
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if [ -z "$includedir" ] ; then
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includedir=$prefix/include
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fi
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if [ -z "$sysconfdir" ] ; then
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sysconfdir=$prefix/etc
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fi
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if [ -z "$bindir" ] ; then
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bindir=$exec_prefix/bin
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fi
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if [ -z "$CC" ] ; then
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CC=cc
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fi
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echo > config.mak
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bsd_detected=false
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isbsd() {
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$bsd_detected
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}
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mac_detected=false
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ismac() {
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$mac_detected
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}
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mac_64=false
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ismac64() {
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$mac_64
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}
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solaris_detected=false
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issolaris() {
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$solaris_detected
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}
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haiku_detected=false
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ishaiku() {
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$haiku_detected
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}
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check_compile 'whether we have GNU-style getservbyname_r()' "-DHAVE_GNU_GETSERVBYNAME_R" \
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'#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;}'
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check_compile 'whether we have pipe2() and O_CLOEXEC' "-DHAVE_PIPE2" \
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'#define _GNU_SOURCE\n#include <fcntl.h>\n#include <unistd.h>\nint main() {\nint pipefd[2];\npipe2(pipefd, O_CLOEXEC);\nreturn 0;}'
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check_compile 'whether we have SOCK_CLOEXEC' "-DHAVE_SOCK_CLOEXEC" \
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'#define _GNU_SOURCE\n#include <sys/socket.h>\nint main() {\nreturn socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 0);}'
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check_define __APPLE__ && {
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mac_detected=true
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check_define __x86_64__ && mac_64=true
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}
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check_define __FreeBSD__ && bsd_detected=true
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check_define __OpenBSD__ && {
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bsd_detected=true
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echo "CFLAGS+=-DIS_OPENBSD">>config.mak
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check_compile_run 'whether OpenBSDs fclose() (illegally) calls close()' \
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'#include <stdio.h>\n#include<stdlib.h>\nint close(int x){exit(0);}int main(){fclose(stdin);return 1;}' && \
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OUR_CPPFLAGS="$OUR_CPPFLAGS -DBROKEN_FCLOSE"
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}
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check_define __sun && check_define __SVR4 && solaris_detected=true
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check_define __HAIKU__ && haiku_detected=true
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echo "CC=$CC">>config.mak
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[ -z "$CPPFLAGS" ] || echo "CPPFLAGS=$CPPFLAGS">>config.mak
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[ -z "$CFLAGS" ] || echo "USER_CFLAGS=$CFLAGS">>config.mak
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[ -z "$LDFLAGS" ] || echo "USER_LDFLAGS=$LDFLAGS">>config.mak
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echo prefix=$prefix>>config.mak
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echo exec_prefix=$exec_prefix>>config.mak
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echo bindir=$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 sysconfdir=$sysconfdir>>config.mak
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[ "$ignore_cve" = "no" ] && echo "CPPFLAGS+= -DSUPER_SECURE">>config.mak
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[ -z "$OUR_CPPFLAGS" ] || echo "CPPFLAGS+= $OUR_CPPFLAGS" >>config.mak
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check_link "whether we can use -Wl,--no-as-needed" "-Wl,--no-as-needed" \
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"int main() { return 0; }" || echo NO_AS_NEEDED= >> config.mak
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LD_SONAME_FLAG=
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printf "checking what's the option to use in linker to set library name ... "
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for o in --soname -h -soname -install_name; do
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check_link_silent "-shared -Wl,$o,libconftest.so" "void test_func(int a) {}" && LD_SONAME_FLAG=$o && break
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done
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if [ -z "$LD_SONAME_FLAG" ]; then
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printf '\ncannot find an option to set library name\n'
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exit 1
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fi
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echo "$LD_SONAME_FLAG"
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echo "LD_SET_SONAME = -Wl,$LD_SONAME_FLAG," >> config.mak
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make_cmd=make
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if ismac ; then
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echo LDSO_SUFFIX=dylib>>config.mak
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echo MAC_CFLAGS+=-DIS_MAC=1>>config.mak
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if ismac64 && [ "$fat_binary" = 1 ] ; then
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echo "Configuring a fat binary for i386 and x86_64"
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echo MAC_CFLAGS+=-arch i386 -arch x86_64>>config.mak
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echo LDFLAGS+=-arch i386 -arch x86_64>>config.mak
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fi
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elif isbsd ; then
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echo LIBDL=>>config.mak
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echo "CFLAGS+=-DIS_BSD">>config.mak
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make_cmd=gmake
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elif issolaris; then
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echo "CFLAGS+=-DIS_SOLARIS -D__EXTENSIONS__" >> config.mak
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echo "SOCKET_LIBS=-lsocket -lnsl" >> config.mak
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elif ishaiku ; then
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echo LIBDL=>>config.mak
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echo "CFLAGS+=-DIS_HAIKU" >> config.mak
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fi
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echo "Done, now run $make_cmd && $make_cmd install"
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