diff options
| -rwxr-xr-x | configure | 38 | ||||
| -rw-r--r-- | lib/misc.c | 65 | ||||
| -rw-r--r-- | unix.c | 67 |
3 files changed, 97 insertions, 73 deletions
@@ -73,6 +73,8 @@ Option Description Default --events=... Event handler (glib, libevent) $events --ssl=... SSL library to use (gnutls, nss, openssl, bogus, auto) $ssl + +--target=... Cross compilation target same as host EOF exit; fi @@ -131,6 +133,13 @@ cat<<EOF>config.h #define CPU "$cpu" EOF +if [ -n "$target" ]; then + PKG_CONFIG_PATH=/usr/$target/lib/pkgconfig + PATH=/usr/$target/bin:$PATH + CC=$target-cc + LD=$target-ld +fi + if [ "$debug" = "1" ]; then [ -z "$CFLAGS" ] && CFLAGS=-g echo 'DEBUG=1' >> Makefile.settings @@ -157,15 +166,17 @@ fi echo "CC=$CC" >> Makefile.settings; -if [ -n "$LD" ]; then - echo "LD=$LD" >> Makefile.settings; -elif type ld > /dev/null 2> /dev/null; then - echo "LD=ld" >> Makefile.settings; -else - echo 'Cannot find ld, aborting.' - exit 1; +if [ -z "$LD" ]; then + if type ld > /dev/null 2> /dev/null; then + LD=ld + else + echo 'Cannot find ld, aborting.' + exit 1; + fi fi +echo "LD=$LD" >> Makefile.settings + if [ -z "$PKG_CONFIG" ]; then PKG_CONFIG=pkg-config fi @@ -212,7 +223,14 @@ echo 'EVENT_HANDLER=events_'$events'.o' >> Makefile.settings detect_gnutls() { - if libgnutls-config --version > /dev/null 2> /dev/null; then + if $PKG_CONFIG --exists gnutls; then + cat <<EOF>>Makefile.settings +EFLAGS+=`$PKG_CONFIG --libs gnutls` +CFLAGS+=`$PKG_CONFIG --cflags gnutls` +EOF + ssl=gnutls + ret=1 + elif libgnutls-config --version > /dev/null 2> /dev/null; then cat <<EOF>>Makefile.settings EFLAGS+=`libgnutls-config --libs` CFLAGS+=`libgnutls-config --cflags` @@ -488,6 +506,10 @@ CYGWIN* ) ;; esac +if [ -n "$target" ]; then + echo "Cross-compiling for: $target" +fi + echo echo 'Configuration done:' @@ -391,71 +391,6 @@ signed int do_iconv( char *from_cs, char *to_cs, char *src, char *dst, size_t si return( outbuf - dst ); } -/* A pretty reliable random number generator. Tries to use the /dev/random - devices first, and falls back to the random number generator from libc - when it fails. Opens randomizer devices with O_NONBLOCK to make sure a - lack of entropy won't halt BitlBee. */ -void random_bytes( unsigned char *buf, int count ) -{ - static int use_dev = -1; - - /* Actually this probing code isn't really necessary, is it? */ - if( use_dev == -1 ) - { - if( access( "/dev/random", R_OK ) == 0 || access( "/dev/urandom", R_OK ) == 0 ) - use_dev = 1; - else - { - use_dev = 0; - srand( ( getpid() << 16 ) ^ time( NULL ) ); - } - } - - if( use_dev ) - { - int fd; - - /* At least on Linux, /dev/random can block if there's not - enough entropy. We really don't want that, so if it can't - give anything, use /dev/urandom instead. */ - if( ( fd = open( "/dev/random", O_RDONLY | O_NONBLOCK ) ) >= 0 ) - if( read( fd, buf, count ) == count ) - { - close( fd ); - return; - } - close( fd ); - - /* urandom isn't supposed to block at all, but just to be - sure. If it blocks, we'll disable use_dev and use the libc - randomizer instead. */ - if( ( fd = open( "/dev/urandom", O_RDONLY | O_NONBLOCK ) ) >= 0 ) - if( read( fd, buf, count ) == count ) - { - close( fd ); - return; - } - close( fd ); - - /* If /dev/random blocks once, we'll still try to use it - again next time. If /dev/urandom also fails for some - reason, stick with libc during this session. */ - - use_dev = 0; - srand( ( getpid() << 16 ) ^ time( NULL ) ); - } - - if( !use_dev ) - { - int i; - - /* Possibly the LSB of rand() isn't very random on some - platforms. Seems okay on at least Linux and OSX though. */ - for( i = 0; i < count; i ++ ) - buf[i] = rand() & 0xff; - } -} - int is_bool( char *value ) { if( *value == 0 ) @@ -218,3 +218,70 @@ double gettime() gettimeofday( time, 0 ); return( (double) time->tv_sec + (double) time->tv_usec / 1000000 ); } + +/* A pretty reliable random number generator. Tries to use the /dev/random + devices first, and falls back to the random number generator from libc + when it fails. Opens randomizer devices with O_NONBLOCK to make sure a + lack of entropy won't halt BitlBee. */ +void random_bytes( unsigned char *buf, int count ) +{ + static int use_dev = -1; + + /* Actually this probing code isn't really necessary, is it? */ + if( use_dev == -1 ) + { + if( access( "/dev/random", R_OK ) == 0 || access( "/dev/urandom", R_OK ) == 0 ) + use_dev = 1; + else + { + use_dev = 0; + srand( ( getpid() << 16 ) ^ time( NULL ) ); + } + } + + if( use_dev ) + { + int fd; + + /* At least on Linux, /dev/random can block if there's not + enough entropy. We really don't want that, so if it can't + give anything, use /dev/urandom instead. */ + if( ( fd = open( "/dev/random", O_RDONLY | O_NONBLOCK ) ) >= 0 ) + if( read( fd, buf, count ) == count ) + { + close( fd ); + return; + } + close( fd ); + + /* urandom isn't supposed to block at all, but just to be + sure. If it blocks, we'll disable use_dev and use the libc + randomizer instead. */ + if( ( fd = open( "/dev/urandom", O_RDONLY | O_NONBLOCK ) ) >= 0 ) + if( read( fd, buf, count ) == count ) + { + close( fd ); + return; + } + close( fd ); + + /* If /dev/random blocks once, we'll still try to use it + again next time. If /dev/urandom also fails for some + reason, stick with libc during this session. */ + + use_dev = 0; + srand( ( getpid() << 16 ) ^ time( NULL ) ); + } + + if( !use_dev ) + { + int i; + + /* Possibly the LSB of rand() isn't very random on some + platforms. Seems okay on at least Linux and OSX though. */ + for( i = 0; i < count; i ++ ) + buf[i] = rand() & 0xff; + } +} + + |