diff options
| -rw-r--r-- | Config.in | 75 | ||||
| -rw-r--r-- | Makefile.flags | 3 | ||||
| -rw-r--r-- | networking/udhcp/dhcpc.c | 4 | ||||
| -rw-r--r-- | networking/udhcp/dhcpd.c | 2 | ||||
| -rwxr-xr-x | scripts/trylink | 53 |
5 files changed, 76 insertions, 61 deletions
@@ -292,31 +292,30 @@ config BUILD_LIBBUSYBOX binary serves no purpose (and increases the size). You should almost certainly say "no" to this right now. -config FEATURE_FULL_LIBBUSYBOX - bool "Feature-complete libbusybox" - default n if !FEATURE_SHARED_BUSYBOX - depends on BUILD_LIBBUSYBOX - help - Build a libbusybox with the complete feature-set, disregarding - the actually selected config. - - Normally, libbusybox will only contain the features which are - used by busybox itself. If you plan to write a separate - standalone application which uses libbusybox say 'Y'. - - Note: libbusybox is GPL, not LGPL, and exports no stable API that - might act as a copyright barrier. We can and will modify the - exported function set between releases (even minor version number - changes), and happily break out-of-tree features. - - Say 'N' if in doubt. +### config FEATURE_FULL_LIBBUSYBOX +### bool "Feature-complete libbusybox" +### default n if !FEATURE_SHARED_BUSYBOX +### depends on BUILD_LIBBUSYBOX +### help +### Build a libbusybox with the complete feature-set, disregarding +### the actually selected config. +### +### Normally, libbusybox will only contain the features which are +### used by busybox itself. If you plan to write a separate +### standalone application which uses libbusybox say 'Y'. +### +### Note: libbusybox is GPL, not LGPL, and exports no stable API that +### might act as a copyright barrier. We can and will modify the +### exported function set between releases (even minor version number +### changes), and happily break out-of-tree features. +### +### Say 'N' if in doubt. config FEATURE_SHARED_BUSYBOX - bool "Use shared libbusybox for busybox" + bool "Produce additional busybox binary linked against libbusybox" default y if BUILD_LIBBUSYBOX depends on !STATIC && BUILD_LIBBUSYBOX help - Use libbusybox.so also for busybox itself. You need to have a working dynamic linker to use this variant. config LFS @@ -331,24 +330,24 @@ config LFS cp, mount, tar, and many others. If you want to access files larger than 2 Gigabytes, enable this option. Otherwise, leave it set to 'N'. -config BUILD_AT_ONCE - bool "Compile all sources at once" - default n - help - Normally each source-file is compiled with one invocation of - the compiler. - If you set this option, all sources are compiled at once. - This gives the compiler more opportunities to optimize which can - result in smaller and/or faster binaries. - - Setting this option will consume alot of memory, e.g. if you - enable all applets with all features, gcc uses more than 300MB - RAM during compilation of busybox. - - This option is most likely only beneficial for newer compilers - such as gcc-4.1 and above. - - Say 'N' unless you know what you are doing. +### config BUILD_AT_ONCE +### bool "Compile all sources at once" +### default n +### help +### Normally each source-file is compiled with one invocation of +### the compiler. +### If you set this option, all sources are compiled at once. +### This gives the compiler more opportunities to optimize which can +### result in smaller and/or faster binaries. +### +### Setting this option will consume alot of memory, e.g. if you +### enable all applets with all features, gcc uses more than 300MB +### RAM during compilation of busybox. +### +### This option is most likely only beneficial for newer compilers +### such as gcc-4.1 and above. +### +### Say 'N' unless you know what you are doing. endmenu diff --git a/Makefile.flags b/Makefile.flags index 764ce16e8..529491557 100644 --- a/Makefile.flags +++ b/Makefile.flags @@ -3,6 +3,7 @@ # ========================================================================== BB_VER = $(VERSION).$(PATCHLEVEL).$(SUBLEVEL)$(EXTRAVERSION) +export BB_VER SKIP_STRIP = n # -std=gnu99 needed for [U]LLONG_MAX on some systems @@ -59,7 +60,7 @@ ifeq ($(CONFIG_STATIC),y) LDFLAGS += -static endif -LDLIBS = m crypt +LDLIBS += m crypt ifeq ($(CONFIG_PAM),y) LDLIBS += pam pam_misc diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index ca478b3c5..21b496c0b 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -260,7 +260,7 @@ int udhcpc_main(int argc, char **argv) if (opt & OPT_t) client_config.retries = xatoi_u(str_t); if (opt & OPT_v) { - printf("version %s\n", BB_VER); + puts("version "BB_VER); return 0; } @@ -283,7 +283,7 @@ int udhcpc_main(int argc, char **argv) /* if (!..) bb_perror_msg("cannot create pidfile %s", pidfile); */ /* Goes to stdout and possibly syslog */ - bb_info_msg("%s (v%s) started", applet_name, BB_VER); + bb_info_msg("%s (v"BB_VER") started", applet_name); /* if not set, and not suppressed, setup the default client ID */ if (!client_config.clientid && !(opt & OPT_C)) { diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c index 3466312d1..4343f1c0e 100644 --- a/networking/udhcp/dhcpd.c +++ b/networking/udhcp/dhcpd.c @@ -62,7 +62,7 @@ int udhcpd_main(int argc, char **argv) write_pidfile(server_config.pidfile); /* if (!..) bb_perror_msg("cannot create pidfile %s", pidfile); */ - bb_info_msg("%s (v%s) started", applet_name, BB_VER); + bb_info_msg("%s (v"BB_VER") started", applet_name); option = find_option(server_config.options, DHCP_LEASE_TIME); server_config.lease = LEASE_TIME; diff --git a/scripts/trylink b/scripts/trylink index c621b7c01..de60a2cf7 100755 --- a/scripts/trylink +++ b/scripts/trylink @@ -101,35 +101,50 @@ else >/dev/null fi -mkdir 0lib 2>/dev/null -test -d 0lib || exit 1 -ln -s libbusybox.so.1.8.0 0lib/libbusybox.so 2>/dev/null +. .config -EXE="0lib/libbusybox.so.1.8.0" -try $CC $LDFLAGS \ +sharedlib_dir="0_lib" + +if test "$CONFIG_BUILD_LIBBUSYBOX" = y; then + mkdir "$sharedlib_dir" 2>/dev/null + test -d "$sharedlib_dir" || { + echo "Cannot make directory $sharedlib_dir" + exit 1 + } + ln -s "libbusybox.so.$BB_VER" "$sharedlib_dir"/libbusybox.so 2>/dev/null + + EXE="$sharedlib_dir/libbusybox.so.${BB_VER}_unstripped" + try $CC $LDFLAGS \ -o $EXE -Wl,-Map -Wl,$EXE.map \ -shared -fPIC -Wl,--enable-new-dtags \ -Wl,--start-group -Wl,--whole-archive $A_FILES -Wl,--no-whole-archive -Wl,--end-group \ $l_list -Wl,--verbose \ - -Wl,-soname="libbusybox.so.1.8.0" \ + -Wl,-soname="libbusybox.so.$BB_VER" \ -Wl,-z,combreloc \ >/dev/null \ -|| { - echo "Linking $EXE failed" - exit 1 -} -strip -s --remove-section=.note --remove-section=.comment $EXE + || { + echo "Linking $EXE failed" + cat $EXE.out + exit 1 + } + strip -s --remove-section=.note --remove-section=.comment $EXE -o "$sharedlib_dir/libbusybox.so.$BB_VER" + echo "libbusybox: $sharedlib_dir/libbusybox.so.$BB_VER" +fi -EXE="0lib/busybox" -try $CC $LDFLAGS \ +if test "$CONFIG_FEATURE_SHARED_BUSYBOX" = y; then + EXE="$sharedlib_dir/busybox_unstripped" + try $CC $LDFLAGS \ -o $EXE -Wl,-Map -Wl,$EXE.map \ -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \ -Wl,--start-group $O_FILES -Wl,--end-group \ $l_list -Wl,--verbose \ - -L"0lib" -lbusybox \ + -L"$sharedlib_dir" -lbusybox \ >/dev/null \ -|| { - echo "Linking $EXE failed" - exit 1 -} -strip -s --remove-section=.note --remove-section=.comment $EXE + || { + echo "Linking $EXE failed" + cat $EXE.out + exit 1 + } + strip -s --remove-section=.note --remove-section=.comment $EXE -o "$sharedlib_dir/busybox" + echo "busybox linked against libbusybox: $sharedlib_dir/busybox" +fi |