[PATCH 7/7] Create generated/random_init.h, used by random driver

Sandy Harris
2015-11-07T14:31:12Z

Signed-off-by: Sandy Harris <sandyinchina@gmail.com>
---
Kbuild | 21 +++++++++++++++++++++
scripts/Makefile | 1 +
2 files changed, 22 insertions(+)

diff --git a/Kbuild b/Kbuild
index f55cefd..494c665 100644
--- a/Kbuild
+++ b/Kbuild
@@ -5,6 +5,7 @@
# 2) Generate timeconst.h
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls
+# 5) Generate random_init.h

# Default sed regexp - multiline due to syntax constraints
define sed-y
@@ -98,3 +99,23 @@ missing-syscalls: scripts/checksyscalls.sh $(offsets-file) FORCE

# Keep these three files during make clean
no-clean-files := $(bounds-file) $(offsets-file) $(timeconst-file)
+
+#####
+# 5) Generate random_init.h
+
+ifdef CONFIG_RANDOM_INIT
+init-file := include/generated/random_init.h
+used-file := scripts/gen_random
+source-file := $(used-file).c
+always += $(init-file)
+targets += $(init-file)
+$(init-file) : $(used-file)
+ $(Q) $(used-file) > $(init-file)
+ifdef CONFIG_RANDOM_GCM
+$(used-file) : $(source-file)
+ $(CC) $< -DCONFIG_RANDOM_GCM -o $@
+else
+$(used-file) : $(source-file)
+ $(CC) $< -o $@
+endif
+endif
diff --git a/scripts/Makefile b/scripts/Makefile
index 1b26617..3cea546 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -18,6 +18,7 @@ hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
hostprogs-$(CONFIG_ASN1) += asn1_compiler
hostprogs-$(CONFIG_MODULE_SIG) += sign-file
hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
+hostprogs-$(CONFIG_RANDOM_INIT) += gen_random

HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
--
2.5.0