diff --git a/src/system/libroot/posix/glibc/arch/m68k/Jamfile b/src/system/libroot/posix/glibc/arch/m68k/Jamfile
index 1ce173d64a..a154bb8466 100644
--- a/src/system/libroot/posix/glibc/arch/m68k/Jamfile
+++ b/src/system/libroot/posix/glibc/arch/m68k/Jamfile
@@ -30,6 +30,7 @@ local genericSources =
 	cmp.c dbl2mpn.c divrem.c
 	dosincos.c
 	halfulp.c
+	memrchr.c
 	mpa.c mpatan.c mpatan2.c mpexp.c mplog.c mpn2dbl.c
 	mpn2flt.c mpn2ldbl.c mpsqrt.c mptan.c
 	mul.c mul_n.c
diff --git a/src/system/libroot/posix/glibc/arch/ppc/Jamfile b/src/system/libroot/posix/glibc/arch/ppc/Jamfile
index 13fcdebb6e..21fcd341d8 100644
--- a/src/system/libroot/posix/glibc/arch/ppc/Jamfile
+++ b/src/system/libroot/posix/glibc/arch/ppc/Jamfile
@@ -28,6 +28,7 @@ local genericSources =
 	cmp.c dbl2mpn.c divrem.c
 	doasin.c dosincos.c
 	halfulp.c
+	memrchr.c
 	mpa.c mpatan.c mpatan2.c mpexp.c mplog.c mpn2dbl.c
 	mpn2flt.c mpn2ldbl.c mpsqrt.c mptan.c
 	mul.c mul_n.c