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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-07 17:06:26 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-07 17:06:26 +0000
commitf545be083d3e9758b70edf16aa532528cd7ce108 (patch)
tree136f8792a5217e6558a29aee33eef199e338f652 /scripts
parentdef88985966a9351911844d42e06b735977bcb72 (diff)
downloadbusybox-f545be083d3e9758b70edf16aa532528cd7ce108.tar.gz
busybox-f545be083d3e9758b70edf16aa532528cd7ce108.tar.bz2
reviving libbusybox, adding CONFIG_INDIVIDUAL part 4
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/trylink69
1 files changed, 68 insertions, 1 deletions
diff --git a/scripts/trylink b/scripts/trylink
index de60a2cf7..a87d67225 100755
--- a/scripts/trylink
+++ b/scripts/trylink
@@ -137,7 +137,7 @@ if test "$CONFIG_FEATURE_SHARED_BUSYBOX" = y; then
-o $EXE -Wl,-Map -Wl,$EXE.map \
-Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
-Wl,--start-group $O_FILES -Wl,--end-group \
- $l_list -Wl,--verbose \
+ -Wl,--verbose \
-L"$sharedlib_dir" -lbusybox \
>/dev/null \
|| {
@@ -148,3 +148,70 @@ if test "$CONFIG_FEATURE_SHARED_BUSYBOX" = y; then
strip -s --remove-section=.note --remove-section=.comment $EXE -o "$sharedlib_dir/busybox"
echo "busybox linked against libbusybox: $sharedlib_dir/busybox"
fi
+
+if test "$CONFIG_FEATURE_INDIVIDUAL" = y; then
+ gcc -DNAME_MAIN_CNAME -E -include include/autoconf.h include/applets.h \
+ | grep -v "^#" \
+ | grep -v "^$" \
+ > applet.lst
+ while read name main cname; do
+
+ test x"$cname" = "x[" && cname=test
+ test x"$cname" = "x[[" && cname=test
+
+ echo "\
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include \"../include/autoconf.h\"
+#include \"../include/usage.h\"
+
+#ifdef __GLIBC__
+/* Make it reside in R/W memory: */
+int *const bb_errno __attribute__ ((section (\".data\")));
+#endif
+
+const char *applet_name = \"$name\";
+
+void bb_show_usage(void)
+{
+ fprintf(stderr, \"Usage: $name \"
+#ifdef ${cname}_trivial_usage
+ ${cname}_trivial_usage
+#endif
+#ifdef ${cname}_full_usage
+ \"\\n\\n\" ${cname}_full_usage
+#endif
+ \"\\n\\n\");
+ exit(1);
+}
+
+int $main(int argc, char **argv);
+
+int main(int argc, char **argv)
+{
+#ifdef __GLIBC__
+ (*(int **)&bb_errno) = __errno_location();
+#endif
+ return $main(argc, argv);
+}
+" >"$sharedlib_dir/applet.c"
+
+ EXE="$sharedlib_dir/$name"
+ try $CC $LDFLAGS "$sharedlib_dir/applet.c" \
+ -o $EXE \
+ -Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
+ -L"$sharedlib_dir" -lbusybox \
+ >/dev/null \
+ || {
+ echo "Linking $EXE failed"
+ cat -- $EXE.out
+ exit 1
+ }
+ rm -- "$sharedlib_dir/applet.c" $EXE.out
+ strip -s --remove-section=.note --remove-section=.comment $EXE
+ echo "applet linked against libbusybox: $EXE"
+
+ done <applet.lst
+fi