[Buildroot] [git commit] boot/syslinux: add missing python dependency

[Buildroot] [git commit] boot/syslinux: add missing python dependency

[Yann E. MORIN]

commit: https://git.buildroot.net/buildroot/commit/?id=6ccfd40711e122c720145044eb4d145a8bacd9db
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Syslinux use some python scripts during the build and they
are using python interpreter by default. It fail to build
when there is no python interpreter on the host.

[...]/syslinux-6.03/com32/cmenu/menugen.py
make[6]: python: No such file or directory

Since Syslinux 5.00, we can override the python interpreter
used during the build:

https://repo.or.cz/syslinux.git/commitdiff/4dec62ce9c2c0d170f21b3ae2d7c618eb7a30c05

Add the	missing	host-python3 dependency and override
it in SYSLINUX_BUILD_CMDS.

Fixes:
https://gitlab.com/kubu93/buildroot/-/jobs/1614446766

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
[yann.morin.1998@free.fr: fix check-package]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
---
 boot/syslinux/syslinux.mk | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/boot/syslinux/syslinux.mk b/boot/syslinux/syslinux.mk
index 67bc69254e..0643f85a99 100644
--- a/boot/syslinux/syslinux.mk
+++ b/boot/syslinux/syslinux.mk
@@ -14,7 +14,12 @@ SYSLINUX_LICENSE_FILES = COPYING
 SYSLINUX_INSTALL_IMAGES = YES
 
 # host-util-linux needed to provide libuuid when building host tools
-SYSLINUX_DEPENDENCIES = host-nasm host-upx util-linux host-util-linux
+SYSLINUX_DEPENDENCIES = \
+	host-nasm \
+	host-python3 \
+	host-upx \
+	host-util-linux \
+	util-linux
 
 ifeq ($(BR2_TARGET_SYSLINUX_LEGACY_BIOS),y)
 SYSLINUX_TARGET += bios
@@ -59,6 +64,7 @@ define SYSLINUX_BUILD_CMDS
 		CC_FOR_BUILD="$(HOSTCC)" \
 		CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
 		LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
+		PYTHON=$(HOST_DIR)/bin/python3 \
 		$(SYSLINUX_EFI_ARGS) -C $(@D) $(SYSLINUX_TARGET)
 endef
 
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