diff options
Diffstat (limited to 'elf/Makefile')
| -rw-r--r-- | elf/Makefile | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/elf/Makefile b/elf/Makefile index 8f98cb8406..87f2d0d67d 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -41,6 +41,8 @@ extra-libs = libdl extra-libs-others = $(extra-libs) libdl-routines := dlopen dlclose dlsym dlerror dladdr +before-compile = $(objpfx)trusted-dirs.h + all: # Make this the default target; it will be defined in Rules. @@ -92,6 +94,17 @@ $(objpfx)$(rtld-installed-name): $(objpfx)ld.so ln -s $(<F) $@ endif +# Build a file mentioning all trustworthy directories to look for shared +# libraries when using LD_LIBRARY_PATH in a setuid program. The user can +# add directories to the list by defining $(user-defined-trusted-dirs) +# before starting make. +$(objpfx)trusted-dirs.h: Makefile + (for dir in `echo "$(default-rpath) $(user-defined-trusted-dirs)" | \ + sed 's/:/ /g'`; do \ + echo " \"$$dir\","; \ + done;) > $@T + mv -f $@T $@ +CFLAGS-dl-load.c = -I$(objdir)/$(subdir) # Specify the dependencies of libdl.so; its commands come from the generic # rule to build a shared library. |