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From: Thomas Devoogdt <thomas@devoogdt.com>
To: thomas@devoogdt.com
Cc: buildroot@buildroot.org, jorik.devreese@barco.com,
	thomas.petazzoni@bootlin.com
Subject: [Buildroot] [PATCH v2] package/sema-linux-ec: add new adlink sema drivers package
Date: Mon,  9 Mar 2026 08:51:43 +0100	[thread overview]
Message-ID: <20260309075143.1526466-1-thomas@devoogdt.com> (raw)
In-Reply-To: <20251223221403.61295-1-thomas@devoogdt.com>

From: Devreese Jorik <jorik.devreese@barco.com>

SEMA (Smart Embedded Management Agent) is an agent used to
manage system health and access the I/O pins through an API.

Signed-off-by: Devreese Jorik <jorik.devreese@barco.com>
Signed-off-by: Thomas Devoogdt <thomas@devoogdt.com>
---
v2: reworked patch
 - Added user sw step.
 - Fixed help text.
 - Fixed hash and license info.
---
 package/Config.in                             |  1 +
 ...CC-variable-instead-of-hardcoded-gcc.patch | 54 +++++++++++++++++++
 package/sema-linux-ec/Config.in               | 12 +++++
 package/sema-linux-ec/sema-linux-ec.hash      |  5 ++
 package/sema-linux-ec/sema-linux-ec.mk        | 40 ++++++++++++++
 5 files changed, 112 insertions(+)
 create mode 100644 package/sema-linux-ec/0001-Makefile-use-CC-variable-instead-of-hardcoded-gcc.patch
 create mode 100644 package/sema-linux-ec/Config.in
 create mode 100644 package/sema-linux-ec/sema-linux-ec.hash
 create mode 100644 package/sema-linux-ec/sema-linux-ec.mk

diff --git a/package/Config.in b/package/Config.in
index 07d7e49ae7b..ef1920edb58 100644
--- a/package/Config.in
+++ b/package/Config.in
@@ -604,6 +604,7 @@ endmenu
 	source "package/sane-backends/Config.in"
 	source "package/sdparm/Config.in"
 	source "package/sedutil/Config.in"
+	source "package/sema-linux-ec/Config.in"
 	source "package/setserial/Config.in"
 	source "package/sg3_utils/Config.in"
 	source "package/sigrok-cli/Config.in"
diff --git a/package/sema-linux-ec/0001-Makefile-use-CC-variable-instead-of-hardcoded-gcc.patch b/package/sema-linux-ec/0001-Makefile-use-CC-variable-instead-of-hardcoded-gcc.patch
new file mode 100644
index 00000000000..0b8fa8e2a78
--- /dev/null
+++ b/package/sema-linux-ec/0001-Makefile-use-CC-variable-instead-of-hardcoded-gcc.patch
@@ -0,0 +1,54 @@
+From b0fe05883637d006a7f958a9e735b84f4ba6ba90 Mon Sep 17 00:00:00 2001
+From: Devreese Jorik <jorik.devreese@barco.com>
+Date: Mon, 19 Jan 2026 15:00:00 +0000
+Subject: [PATCH] Makefile: use CC variable instead of hardcoded gcc
+
+Allow the compiler to be overridden via the CC variable for
+cross-compilation support.
+
+Upstream: https://github.com/ADLINK/sema-linux-ec/pull/14
+Signed-off-by: Devreese Jorik <jorik.devreese@barco.com>
+Signed-off-by: Hendrik De Vloed <hendrik.devloed@dekimo.com>
+Signed-off-by: Thomas Devoogdt <thomas@devoogdt.com>
+---
+ Makefile | 12 ++++++------
+ 1 file changed, 6 insertions(+), 6 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index 440e377..ad02cf9 100644
+--- a/Makefile
++++ b/Makefile
+@@ -25,7 +25,7 @@ all: libsema.so semautil wdogtest modules
+ driver: modules
+ 
+ libsema.so: $(SEMA_OBJS)
+-	@gcc -shared -fPIC -g -o lib/$@ $^
++	@$(CC) -shared -fPIC -g -o lib/$@ $^
+ 
+ modules:
+ 	@make -C /lib/modules/`uname -r`/build M=`pwd` $@
+@@ -91,16 +91,16 @@ app_clean:
+ 	@rm -f semautil wdogtest app/*.o lib/*.o lib/*.so
+ 
+ semautil: $(APP_OBJS)
+-	@gcc -g -o $@ $^ -Llib -lsema -luuid
++	@$(CC) -g -o $@ $^ -Llib -lsema -luuid
+ 
+ wdogtest: $(WDOG_OBJS)
+-	@gcc $^ -g -o $@
++	@$(CC) $^ -g -o $@
+ 
+ lib/%.o: lib/%.c
+-	@gcc -Wall -I lib -g -fPIC -c $< -o $@
++	@$(CC) -Wall -I lib -g -fPIC -c $< -o $@
+ 
+ app/%.o: app/%.c
+-	@gcc -Wall -I lib -g -fPIC -c $< -o $@
++	@$(CC) -Wall -I lib -g -fPIC -c $< -o $@
+ 
+ watchdogtest/%.o: watchdogtest/%.c
+-	@gcc -Wall -I lib -g -fPIC -c $< -o $@
++	@$(CC) -Wall -I lib -g -fPIC -c $< -o $@
+-- 
+2.43.0
+
diff --git a/package/sema-linux-ec/Config.in b/package/sema-linux-ec/Config.in
new file mode 100644
index 00000000000..8d6d0e17a53
--- /dev/null
+++ b/package/sema-linux-ec/Config.in
@@ -0,0 +1,12 @@
+config BR2_PACKAGE_SEMA_LINUX_EC
+	bool "sema-linux-ec"
+	depends on !BR2_s390x
+	depends on BR2_LINUX_KERNEL
+	help
+	  SEMA (Smart Embedded Management Agent) is an agent used to
+	  manage system health and access the I/O pins through an API.
+
+	  https://github.com/ADLINK/sema-linux-ec
+
+comment "sema-linux-ec needs a Linux kernel to be built"
+	depends on !BR2_LINUX_KERNEL
diff --git a/package/sema-linux-ec/sema-linux-ec.hash b/package/sema-linux-ec/sema-linux-ec.hash
new file mode 100644
index 00000000000..d32864316e1
--- /dev/null
+++ b/package/sema-linux-ec/sema-linux-ec.hash
@@ -0,0 +1,5 @@
+# locally computed
+sha256  daef5a95e686ce1fa59511280759ccdaf59d41eb698b7c5df0a35e98c0718127  sema-linux-ec-v4.3.12.tar.gz
+sha256  c45298c445058c0f8413c94be71ecedd55f306f3149ed2aea90b0e098ddc8810  LICENSE.BSD3
+sha256  d8c320ffc0030d1b096ae4732b50d2b811cf95e9a9b7377c1127b2563e0a0388  LICENSE.GPLv2
+sha256  2358eef45f799ab496fe93f4791f509524d3d65ca046e562706e62d72f738f20  LICENSE.dual
diff --git a/package/sema-linux-ec/sema-linux-ec.mk b/package/sema-linux-ec/sema-linux-ec.mk
new file mode 100644
index 00000000000..475f8a8c371
--- /dev/null
+++ b/package/sema-linux-ec/sema-linux-ec.mk
@@ -0,0 +1,40 @@
+################################################################################
+#
+# sema-linux-ec
+#
+################################################################################
+
+SEMA_LINUX_EC_VERSION = v4.3.12
+SEMA_LINUX_EC_SITE = $(call github,ADLINK,sema-linux-ec,$(SEMA_LINUX_EC_VERSION))
+SEMA_LINUX_EC_LICENSE = BSD-3-Clause or GPL-2.0
+SEMA_LINUX_EC_LICENSE_FILES = LICENSE.BSD3 LICENSE.GPLv2 LICENSE.dual
+
+SEMA_LINUX_EC_MAKE_OPTS = \
+	$(LINUX_MAKE_FLAGS) \
+	KERNELDIR=$(LINUX_DIR)
+
+define SEMA_LINUX_EC_BUILD_CMDS
+	$(TARGET_MAKE_ENV) $(MAKE) $(SEMA_LINUX_EC_MAKE_OPTS) -C $(@D) \
+		libsema.so semautil wdogtest
+endef
+
+define SEMA_LINUX_EC_INSTALL_TARGET_CMDS
+	$(INSTALL) -D -m 0755 $(@D)/lib/libsema.so $(TARGET_DIR)/usr/lib/libsema.so
+	$(INSTALL) -D -m 0755 $(@D)/semautil $(TARGET_DIR)/usr/bin/semautil
+	$(INSTALL) -D -m 0755 $(@D)/wdogtest $(TARGET_DIR)/usr/bin/wdogtest
+endef
+
+define SEMA_LINUX_EC_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_BACKLIGHT_CLASS_DEVICE)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_GPIO_SYSFS)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_GPIOLIB)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_HWMON)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_I2C)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_I2C_BOARDINFO)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_NVMEM)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG)
+	$(call KCONFIG_ENABLE_OPT,CONFIG_WATCHDOG_CORE)
+endef
+
+$(eval $(kernel-module))
+$(eval $(generic-package))
-- 
2.43.0

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  reply	other threads:[~2026-03-09  7:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-23 22:14 [Buildroot] [PATCH] package/sema-linux-ec: add ADLINK sema drivers package Thomas Devoogdt
2026-03-09  7:51 ` Thomas Devoogdt [this message]
2026-03-09 15:57   ` [Buildroot] [PATCH v3] package/sema-linux-ec: add new adlink " Thomas Devoogdt
2026-03-09 21:10     ` [Buildroot] [PATCH v4] " Thomas Devoogdt
2026-03-10  9:09       ` [Buildroot] [PATCH v5] " Thomas Devoogdt

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