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-rw-r--r--elf/Makefile13
-rw-r--r--elf/interp.c2
2 files changed, 12 insertions, 3 deletions
diff --git a/elf/Makefile b/elf/Makefile
index e3bd69223a..94074f3e34 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -353,9 +353,16 @@ $(objpfx)ld.so: $(objpfx)librtld.os $(ld-map)
| $(AWK) '($$7 ~ /^UND(|EF)$$/ && $$1 != "0:" && $$4 != "REGISTER") { print; p=1 } END { exit p != 0 }'
mv -f $@.new $@
-# interp.c exists just to get this string into the libraries.
-CFLAGS-interp.c = -D'RUNTIME_LINKER="$(rtlddir)/$(rtld-installed-name)"'
-$(objpfx)interp.os: $(common-objpfx)config.make
+# interp.c exists just to get the runtime linker path into libc.so.
+$(objpfx)interp.os: $(elf-objpfx)runtime-linker.h
+
+$(elf-objpfx)runtime-linker.h: $(elf-objpfx)runtime-linker.st; @:
+$(elf-objpfx)runtime-linker.st: $(common-objpfx)config.make
+ $(name-target-directory)
+ echo '#define RUNTIME_LINKER "$(rtlddir)/$(rtld-installed-name)"' \
+ > ${@:st=T}
+ $(move-if-change) ${@:st=T} ${@:st=h}
+ touch $@
ifneq (ld.so,$(rtld-installed-name))
# Make sure ld.so.1 exists in the build directory so we can link
diff --git a/elf/interp.c b/elf/interp.c
index 49c92f59dc..a2492bffba 100644
--- a/elf/interp.c
+++ b/elf/interp.c
@@ -16,5 +16,7 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <elf/runtime-linker.h>
+
const char __invoke_dynamic_linker__[] __attribute__ ((section (".interp")))
= RUNTIME_LINKER;