[PATCH v4 25/29] efi: Generate the app as a shared library

[Simon Glass]

The app should be built as a shared library, with position-independent
code and the -shared flags. Update the Makefile to handle this.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v4:
- Drop the confusing comment about position-independent code

 Makefile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 5c4e03f9ce1..e6800792f35 100644
--- a/Makefile
+++ b/Makefile
@@ -452,9 +452,12 @@ KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
 KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
 endif
 
-# Don't generate position independent code
+ifdef CONFIG_EFI_APP
+KBUILD_CFLAGS += -shared
+else
 KBUILD_CFLAGS	+= $(call cc-option,-fno-PIE)
 KBUILD_AFLAGS	+= $(call cc-option,-fno-PIE)
+endif
 
 # Read UBOOTRELEASE from include/config/uboot.release (if it exists)
 UBOOTRELEASE = $(shell cat include/config/uboot.release 2> /dev/null)
-- 
2.43.0