diff --git a/autoconf/m4/config_makefile.m4 b/autoconf/m4/config_makefile.m4
index f21a25631ed..b1eaffdcd85 100644
--- a/autoconf/m4/config_makefile.m4
+++ b/autoconf/m4/config_makefile.m4
@@ -5,5 +5,5 @@
 AC_DEFUN([AC_CONFIG_MAKEFILE],
 [AC_CONFIG_COMMANDS($1,
   [${llvm_src}/autoconf/mkinstalldirs `dirname $1`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/$1 $1])
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/$1 $1])
 ])
diff --git a/configure b/configure
index bc46356bcfc..2c15d16b325 100755
--- a/configure
+++ b/configure
@@ -36642,31 +36642,31 @@ echo "$as_me: executing $ac_file commands" >&6;}
 
   case $ac_file$ac_mode in
     "Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/Makefile Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/Makefile Makefile ;;
     "Makefile.common":C) ${llvm_src}/autoconf/mkinstalldirs `dirname Makefile.common`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/Makefile.common Makefile.common ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/Makefile.common Makefile.common ;;
     "examples/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname examples/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/examples/Makefile examples/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/examples/Makefile examples/Makefile ;;
     "lib/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname lib/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/lib/Makefile lib/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/lib/Makefile lib/Makefile ;;
     "runtime/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname runtime/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/runtime/Makefile runtime/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/runtime/Makefile runtime/Makefile ;;
     "test/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname test/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/test/Makefile test/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/test/Makefile test/Makefile ;;
     "test/Makefile.tests":C) ${llvm_src}/autoconf/mkinstalldirs `dirname test/Makefile.tests`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/test/Makefile.tests test/Makefile.tests ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/test/Makefile.tests test/Makefile.tests ;;
     "unittests/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname unittests/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/unittests/Makefile unittests/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/unittests/Makefile unittests/Makefile ;;
     "tools/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname tools/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/tools/Makefile tools/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/tools/Makefile tools/Makefile ;;
     "utils/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname utils/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/utils/Makefile utils/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/utils/Makefile utils/Makefile ;;
     "projects/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname projects/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/projects/Makefile projects/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/projects/Makefile projects/Makefile ;;
     "bindings/Makefile":C) ${llvm_src}/autoconf/mkinstalldirs `dirname bindings/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/bindings/Makefile bindings/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/bindings/Makefile bindings/Makefile ;;
     "bindings/ocaml/Makefile.ocaml":C) ${llvm_src}/autoconf/mkinstalldirs `dirname bindings/ocaml/Makefile.ocaml`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/bindings/ocaml/Makefile.ocaml bindings/ocaml/Makefile.ocaml ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/bindings/ocaml/Makefile.ocaml bindings/ocaml/Makefile.ocaml ;;
 
   esac
 done # for ac_tag
diff --git a/projects/sample/configure b/projects/sample/configure
index 2efb85397b7..f6aa8476eab 100755
--- a/projects/sample/configure
+++ b/projects/sample/configure
@@ -2320,15 +2320,15 @@ esac
 echo "$as_me: executing $ac_dest commands" >&6;}
   case $ac_dest in
     Makefile ) ${llvm_src}/autoconf/mkinstalldirs `dirname Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/Makefile Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/Makefile Makefile ;;
     lib/Makefile ) ${llvm_src}/autoconf/mkinstalldirs `dirname lib/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/lib/Makefile lib/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/lib/Makefile lib/Makefile ;;
     lib/sample/Makefile ) ${llvm_src}/autoconf/mkinstalldirs `dirname lib/sample/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/lib/sample/Makefile lib/sample/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/lib/sample/Makefile lib/sample/Makefile ;;
     tools/Makefile ) ${llvm_src}/autoconf/mkinstalldirs `dirname tools/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/tools/Makefile tools/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/tools/Makefile tools/Makefile ;;
     tools/sample/Makefile ) ${llvm_src}/autoconf/mkinstalldirs `dirname tools/sample/Makefile`
-   ${SHELL} ${llvm_src}/autoconf/install-sh -c ${srcdir}/tools/sample/Makefile tools/sample/Makefile ;;
+   ${SHELL} ${llvm_src}/autoconf/install-sh -m 0644 -c ${srcdir}/tools/sample/Makefile tools/sample/Makefile ;;
   esac
 done
 _ACEOF