diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 156 |
1 files changed, 114 insertions, 42 deletions
@@ -3,6 +3,9 @@ # INCLUDE=${1:-"$PWD/include"} +# Output file which is input to Makefile +CONFIG=config.mk + # Make a temp directory in build tree. TMPDIR=$(mktemp -d config.XXXXXX) trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM @@ -10,7 +13,7 @@ trap 'status=$?; rm -rf $TMPDIR; exit $status' EXIT HUP INT QUIT TERM check_prog() { echo -n "$2" - command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> Config; echo "yes") || (echo "no"; return 1) + command -v $1 >/dev/null 2>&1 && (echo "$3:=y" >> $CONFIG; echo "yes") || (echo "no"; return 1) } check_docs() @@ -30,9 +33,9 @@ check_toolchain() : ${PKG_CONFIG:=pkg-config} : ${AR=ar} : ${CC=gcc} - echo "PKG_CONFIG:=${PKG_CONFIG}" >>Config - echo "AR:=${AR}" >>Config - echo "CC:=${CC}" >>Config + echo "PKG_CONFIG:=${PKG_CONFIG}" >>$CONFIG + echo "AR:=${AR}" >>$CONFIG + echo "CC:=${CC}" >>$CONFIG } check_atm() @@ -49,7 +52,7 @@ EOF $CC -I$INCLUDE -o $TMPDIR/atmtest $TMPDIR/atmtest.c -latm >/dev/null 2>&1 if [ $? -eq 0 ] then - echo "TC_CONFIG_ATM:=y" >>Config + echo "TC_CONFIG_ATM:=y" >>$CONFIG echo yes else echo no @@ -57,6 +60,14 @@ EOF rm -f $TMPDIR/atmtest.c $TMPDIR/atmtest } +check_xtables() +{ + if ! ${PKG_CONFIG} xtables --exists + then + echo "TC_CONFIG_NO_XT:=y" >>$CONFIG + fi +} + check_xt() { #check if we have xtables from iptables >= 1.4.5. @@ -82,7 +93,7 @@ EOF if $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL \ $(${PKG_CONFIG} xtables --cflags --libs) -ldl >/dev/null 2>&1 then - echo "TC_CONFIG_XT:=y" >>Config + echo "TC_CONFIG_XT:=y" >>$CONFIG echo "using xtables" fi rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest @@ -91,7 +102,7 @@ EOF check_xt_old() { # bail if previous XT checks has already succeded. - if grep -q TC_CONFIG_XT Config + if grep -q TC_CONFIG_XT $CONFIG then return fi @@ -121,7 +132,7 @@ EOF $CC -I$INCLUDE $IPTC -o $TMPDIR/ipttest $TMPDIR/ipttest.c $IPTL -ldl >/dev/null 2>&1 if [ $? -eq 0 ] then - echo "TC_CONFIG_XT_OLD:=y" >>Config + echo "TC_CONFIG_XT_OLD:=y" >>$CONFIG echo "using old xtables (no need for xt-internal.h)" fi rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest @@ -130,7 +141,7 @@ EOF check_xt_old_internal_h() { # bail if previous XT checks has already succeded. - if grep -q TC_CONFIG_XT Config + if grep -q TC_CONFIG_XT $CONFIG then return fi @@ -162,14 +173,14 @@ EOF if [ $? -eq 0 ] then echo "using old xtables with xt-internal.h" - echo "TC_CONFIG_XT_OLD_H:=y" >>Config + echo "TC_CONFIG_XT_OLD_H:=y" >>$CONFIG fi rm -f $TMPDIR/ipttest.c $TMPDIR/ipttest } check_ipt() { - if ! grep TC_CONFIG_XT Config > /dev/null + if ! grep TC_CONFIG_XT $CONFIG > /dev/null then echo "using iptables" fi @@ -180,7 +191,7 @@ check_ipt_lib_dir() IPT_LIB_DIR=$(${PKG_CONFIG} --variable=xtlibdir xtables) if [ -n "$IPT_LIB_DIR" ]; then echo $IPT_LIB_DIR - echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> Config + echo "IPT_LIB_DIR:=$IPT_LIB_DIR" >> $CONFIG return fi @@ -189,7 +200,7 @@ check_ipt_lib_dir() for file in $dir/{xtables,iptables}/lib*t_*so ; do if [ -f $file ]; then echo ${file%/*} - echo "IPT_LIB_DIR:=${file%/*}" >> Config + echo "IPT_LIB_DIR:=${file%/*}" >> $CONFIG return fi done @@ -210,8 +221,9 @@ EOF $CC -I$INCLUDE -o $TMPDIR/setnstest $TMPDIR/setnstest.c >/dev/null 2>&1 if [ $? -eq 0 ] then - echo "IP_CONFIG_SETNS:=y" >>Config + echo "IP_CONFIG_SETNS:=y" >>$CONFIG echo "yes" + echo "CFLAGS += -DHAVE_SETNS" >>$CONFIG else echo "no" fi @@ -241,7 +253,7 @@ EOF if $CC -I$INCLUDE -o $TMPDIR/ipsettest $TMPDIR/ipsettest.c >/dev/null 2>&1 then - echo "TC_CONFIG_IPSET:=y" >>Config + echo "TC_CONFIG_IPSET:=y" >>$CONFIG echo "yes" else echo "no" @@ -251,25 +263,16 @@ EOF check_elf() { - cat >$TMPDIR/elftest.c <<EOF -#include <libelf.h> -#include <gelf.h> -int main(void) -{ - Elf_Scn *scn; - GElf_Shdr shdr; - return elf_version(EV_CURRENT); -} -EOF - - if $CC -I$INCLUDE -o $TMPDIR/elftest $TMPDIR/elftest.c -lelf >/dev/null 2>&1 + if ${PKG_CONFIG} libelf --exists then - echo "TC_CONFIG_ELF:=y" >>Config + echo "HAVE_ELF:=y" >>$CONFIG echo "yes" + + echo 'CFLAGS += -DHAVE_ELF' `${PKG_CONFIG} libelf --cflags` >> $CONFIG + echo 'LDLIBS += ' `${PKG_CONFIG} libelf --libs` >>$CONFIG else echo "no" fi - rm -f $TMPDIR/elftest.c $TMPDIR/elftest } check_selinux() @@ -277,8 +280,11 @@ check_selinux() { if ${PKG_CONFIG} libselinux --exists then - echo "HAVE_SELINUX:=y" >>Config + echo "HAVE_SELINUX:=y" >>$CONFIG echo "yes" + + echo 'LDLIBS +=' `${PKG_CONFIG} --libs libselinux` >>$CONFIG + echo 'CFLAGS += -DHAVE_SELINUX' `${PKG_CONFIG} --cflags libselinux` >>$CONFIG else echo "no" fi @@ -288,8 +294,11 @@ check_mnl() { if ${PKG_CONFIG} libmnl --exists then - echo "HAVE_MNL:=y" >>Config + echo "HAVE_MNL:=y" >>$CONFIG echo "yes" + + echo 'CFLAGS += -DHAVE_LIBMNL' `${PKG_CONFIG} libmnl --cflags` >>$CONFIG + echo 'LDLIBS +=' `${PKG_CONFIG} libmnl --libs` >> $CONFIG else echo "no" fi @@ -309,7 +318,7 @@ EOF $CC -I$INCLUDE -o $TMPDIR/dbtest $TMPDIR/dbtest.c -ldb >/dev/null 2>&1 if [ $? -eq 0 ] then - echo "HAVE_BERKELEY_DB:=y" >>Config + echo "HAVE_BERKELEY_DB:=y" >>$CONFIG echo "yes" else echo "no" @@ -317,7 +326,56 @@ EOF rm -f $TMPDIR/dbtest.c $TMPDIR/dbtest } -echo "# Generated config based on" $INCLUDE >Config +check_strlcpy() +{ + cat >$TMPDIR/strtest.c <<EOF +#include <string.h> +int main(int argc, char **argv) { + char dst[10]; + strlcpy(dst, "test", sizeof(dst)); + return 0; +} +EOF + $CC -I$INCLUDE -o $TMPDIR/strtest $TMPDIR/strtest.c >/dev/null 2>&1 + if [ $? -eq 0 ] + then + echo "no" + else + echo 'CFLAGS += -DNEED_STRLCPY' >>$CONFIG + echo "yes" + fi + rm -f $TMPDIR/strtest.c $TMPDIR/strtest +} + +quiet_config() +{ + cat <<EOF +# user can control verbosity similar to kernel builds (e.g., V=1) +ifeq ("\$(origin V)", "command line") + VERBOSE = \$(V) +endif +ifndef VERBOSE + VERBOSE = 0 +endif +ifeq (\$(VERBOSE),1) + Q = +else + Q = @ +endif + +ifeq (\$(VERBOSE), 0) + QUIET_CC = @echo ' CC '\$@; + QUIET_AR = @echo ' AR '\$@; + QUIET_LINK = @echo ' LINK '\$@; + QUIET_YACC = @echo ' YACC '\$@; + QUIET_LEX = @echo ' LEX '\$@; +endif +EOF +} + +echo "# Generated config based on" $INCLUDE >$CONFIG +quiet_config >> $CONFIG + check_toolchain echo "TC schedulers" @@ -325,18 +383,25 @@ echo "TC schedulers" echo -n " ATM " check_atm -echo -n " IPT " -check_xt -check_xt_old -check_xt_old_internal_h -check_ipt +check_xtables +if ! grep -q TC_CONFIG_NO_XT $CONFIG +then + echo -n " IPT " + check_xt + check_xt_old + check_xt_old_internal_h + check_ipt -echo -n " IPSET " -check_ipset + echo -n " IPSET " + check_ipset +fi echo -echo -n "iptables modules directory: " -check_ipt_lib_dir +if ! grep -q TC_CONFIG_NO_XT $CONFIG +then + echo -n "iptables modules directory: " + check_ipt_lib_dir +fi echo -n "libc has setns: " check_setns @@ -353,7 +418,14 @@ check_mnl echo -n "Berkeley DB: " check_berkeley_db +echo -n "need for strlcpy: " +check_strlcpy + echo echo -n "docs:" check_docs echo + +echo >> $CONFIG +echo "%.o: %.c" >> $CONFIG +echo ' $(QUIET_CC)$(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<' >> $CONFIG |