diff options
Diffstat (limited to 'util/kconfig/Makefile.inc')
| -rw-r--r-- | util/kconfig/Makefile.inc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/util/kconfig/Makefile.inc b/util/kconfig/Makefile.inc index 5f75ba3c62..0614bb07f4 100644 --- a/util/kconfig/Makefile.inc +++ b/util/kconfig/Makefile.inc @@ -25,6 +25,20 @@ $(objk)/Makefile.real: $(dir $(lastword $(MAKEFILE_LIST)))Makefile kecho := echo +### +# Read a file, replacing newlines with spaces +# +# Make 4.2 or later can read a file by using its builtin function. +# +# Imported from Linux upstream: +# commit 6768fa4bcb6c1618248f135d04b9287ba2724ae0 +# Author: Masahiro Yamada <masahiroy@kernel.org> +ifneq ($(filter-out 3.% 4.0 4.1, $(MAKE_VERSION)),) +read-file = $(subst $(newline),$(space),$(file < $1)) +else +read-file = $(shell cat $1 2>/dev/null) +endif + -include $(objk)/Makefile.real unexport KCONFIG_DEFCONFIG_LIST |